Located in Maryland, Baltimore boasts a diverse climate with distinct seasons.
The hottest month of the year in Baltimore is July, with an average high of 88°F and low of 73°F.
These warm temperatures make it an ideal time for outdoor activities and exploring the city’s attractions.
Winter in Baltimore brings colder weather, with the coldest month being January.
During this time, the average low temperature drops to 31°F, while the high reaches only 43°F.
Snow and ice are common, turning the city into a winter wonderland, perfect for cozy indoor gatherings.
Spring and fall offer mild temperatures, making these seasons great for visiting the city’s parks and waterfronts.
Baltimore experiences an annual average of 111 days of precipitation, providing ample fresh rainfall that sustains the lush green spaces throughout the city.
The blend of warm summers and crisp winters makes Baltimore an attractive destination year-round.
Average Temperature in Baltimore, Maryland
Baltimore experiences a range of temperatures throughout the year.
January is the coldest month, with average lows around 31°F and highs near 43°F.
February sees slight warming with temperatures ranging between 33°F and 46°F.
March marks the beginning of spring and brings average temperatures from 39°F to 55°F.
By April, lows rise to 47°F, and highs can reach 66°F.
In May, temperatures climb further, ranging from 57°F at night to about 74°F during the day.
Summers in Baltimore can be hot and humid.
June has lows averaging 66°F and highs around 83°F.
July, the hottest month, sees average high temperatures of 88°F with lows of 73°F.
August continues with similar warmth, with temperatures between 71°F and 86°F.
As fall approaches in September, the temperatures start to cool, with averages between 64°F and 79°F.
October brings further relief from the summer heat, with lows around 52°F and highs near 68°F.
November cools down more significantly, with temperatures ranging from 41°F to 58°F.
By December, winter sets in again with average lows of 33°F and highs of 47°F.
This warming and cooling pattern reflects Baltimore’s humid subtropical climate, featuring hot, humid summers and mild to cooler winters.
| Month | Average Low (°F) | Average High (°F) |
|---|---|---|
| January | 31 | 43 |
| February | 33 | 46 |
| March | 39 | 55 |
| April | 47 | 66 |
| May | 57 | 74 |
| June | 66 | 83 |
| July | 73 | 88 |
| August | 71 | 86 |
| September | 64 | 79 |
| October | 52 | 68 |
| November | 41 | 58 |
| December | 33 | 47 |
Average Precipitation in Baltimore, Maryland
Baltimore experiences a significant amount of precipitation throughout the year, distributed between rainfall and snowfall. This section discusses the average annual rainfall and snowfall, highlighting key patterns and seasonal variations.
Average Rainfall in Baltimore, Maryland
Baltimore receives an average annual rainfall of around 41 inches, which is fairly evenly distributed throughout the year.
The wettest months tend to be May, June, and July, with each of these months averaging about 4 inches of rain.
In the summer, thunderstorms are common and can bring heavy downpours.
During the late summer, remnants of tropical storms can also contribute to substantial rainfall.
On average, Baltimore experiences rain on about 114 days annually, with some months seeing more rainy days than others.
Average Snow in Baltimore, Maryland
Snowfall in Baltimore averages about 20.2 inches per year.
Winter months, particularly January and February, are the snowiest, with January typically seeing the highest snow accumulation of approximately 7 inches.
Snow events range from light dustings to significant snowstorms.
These snow events can impact daily life, leading to school closures and travel disruptions.
Baltimore has around eight days annually with snowfall, making it important for residents to stay prepared during the winter months. Snow and ice can present challenges but also beautifully transform the city’s landscape.
Average Sun in Baltimore, Maryland
Baltimore receives a varied amount of sunlight throughout the year, influenced by the city’s location in the northern hemisphere. This section provides a detailed look at the average daily shortwave solar energy and overall sunshine hours.
Average Daily Shortwave Solar Energy in Baltimore, Maryland
In Baltimore, the amount of daily shortwave solar energy varies across the seasons.
During the summer, the city enjoys longer daylight hours, with the longest day occurring around June 21. On this day, there can be almost 14.9 hours of sunlight.
In contrast, winter days are shorter, with the shortest day around December 21, lasting only about 9.5 hours.
Despite shorter days, Baltimore still benefits from a significant amount of sunshine.
Annual sunshine hours add up to approximately 2,579 hours.
This data indicates that Baltimore receives about 7 hours of sunshine per day on average.
This impacts both daily activities and the overall climate pattern of the region, making it beneficial for various outdoor pursuits year-round.
Average Humidity in Baltimore, Maryland
Baltimore experiences varying levels of humidity throughout the year.
August is the most humid month, with an average relative humidity of 69.0%.
On average, March has the lowest humidity at 58.0%.
The morning tends to be more humid compared to the afternoon.
For instance, in January, the average morning humidity is around 70.0%.
During the summer, the dew point in Baltimore often rises, making the air feel more humid and sticky.
- Example: In August, the temperature and humidity together can create a muggy atmosphere, making it feel hotter than it actually is.
The changing seasons bring fluctuations in humidity. Winters are generally drier, while spring and summer see increased moisture in the air.
| Month | Average Humidity (%) |
|---|---|
| January | 70.0 |
| March | 58.0 |
| July | Variable |
| August | 69.0 |
Average Wind in Baltimore, Maryland
The wind patterns in Baltimore vary significantly throughout the year.
From October 20 to May 8, wind speeds generally exceed 8.6 mph. This period marks the windier part of the year.
The windiest month at Baltimore’s Inner Harbor is March, with an average hourly wind speed of 10.6 mph.
During the calmer months, which last from May 8 to October 20, the wind speed tends to be lower.
The city’s wind patterns can affect surface movement and various outdoor activities during these months.
Average Air Quality in Baltimore, Maryland
Baltimore’s air quality varies throughout the year, influenced by various factors such as weather and pollution sources.
The Air Quality Index (AQI) is a useful measure to understand the daily air quality.
Pollutants:
- PM2.5: Fine particulate matter can cause health issues, especially for sensitive groups.
- Ozone: Baltimore has historically struggled with ozone levels. The city frequently exceeds the federal limit for unhealthy ozone days.
AQI Levels:
- Good: AQI 0-50. Air quality is considered satisfactory, and air pollution poses little or no risk.
- Moderate: AQI 51-100. Air quality is acceptable; however, some pollutants may be a concern for a small number of people who are sensitive to air pollution.
IQAir reports real-time and historical data. According to them, Baltimore’s AQI often ranges between Good and Moderate.
Seasonal Variations:
- Spring: Usually moderate, with some variability.
- Summer: Higher ozone levels, leading to an increased number of unhealthy days.
- Fall: Typically moderate.
- Winter: Generally good, with fewer pollution sources active.
Daily Visibility and Weather:
- Days are often partly cloudy, especially in spring and fall, affecting visibility.
- Rain can improve air quality temporarily by washing away pollutants.
Health Tips:
- On days with higher AQI, sensitive groups should limit outdoor activities.
- Use air purifiers indoors to maintain air quality.
For detailed forecasts and more information, check the Maryland Department of the Environment’s air quality forecast.
Topography of Baltimore, Maryland
Baltimore, located in north-central Maryland, sits on the Patapsco River near the Chesapeake Bay. The city’s coordinates are approximately 39.2904° N latitude and 76.6122° W longitude.
The elevation of Baltimore varies widely across its area. The average elevation is about 213 feet above sea level, with a minimum elevation of -16 feet and a maximum elevation reaching up to 719 feet in certain areas.
Elevation Variation
- Average Elevation: 213 ft
- Minimum Elevation: -16 ft
- Maximum Elevation: 719 ft
Key Features
Chesapeake Bay: Baltimore’s proximity to this large estuary influences its landscape and climate. The city lies close to where the Patapsco River empties into the bay.
Piedmont Plateau: Central Maryland, including Baltimore, is part of this plateau, which features rolling hills and higher elevations compared to the coastal plain to the east.
Elevation Table
| Location | Elevation |
|---|---|
| Average Elevation | 213 ft |
| Minimum Elevation | -16 ft |
| Maximum Elevation | 719 ft |
Baltimore’s location on the fall line between the Piedmont Plateau and the Atlantic Coastal Plain also contributes to its varied terrain. The Chesapeake Bay coastal area to the southeast contrasts with the higher elevations found in the northwest.
These geographical features, combined with its latitude and longitude, define the unique topographic landscape of Baltimore. More detailed information can be found at this comprehensive Baltimore topographic map.
Extreme Weather Events that Occur in Baltimore, Maryland
Baltimore is no stranger to extreme weather events. The city experiences a variety of conditions that can disrupt daily life and pose risks to residents.
One of the most common extreme weather events in Baltimore is severe thunderstorms. These storms often bring heavy rain, strong winds, and hail. Winds can bring down trees, blocking roads and causing power outages.
Baltimore also faces intense heat waves. During summer months, it’s not unusual for temperatures to reach the upper 90s Fahrenheit. Heat indices can climb into the triple digits due to high humidity, making it feel even hotter. This poses health risks, especially for vulnerable populations.
Another significant event is flooding. Heavy rainfall and storms can lead to flash floods. Streets and basements can fill with water quickly, creating dangerous conditions. Low-lying areas and those near water bodies are particularly at risk.
Additionally, snowstorms in winter can paralyze the city. Baltimore receives an average of about 20 inches of snow each year. Severe snowstorms can stall transportation, close schools, and create hazardous driving conditions.
A summary of extreme weather events:
| Event | Impact |
|---|---|
| Severe Thunderstorms | Downed trees, power outages |
| Extreme Heat Waves | High heat index, health risks |
| Flooding | Flash floods, water damage |
| Snowstorms | Transportation issues, closures |
Such events highlight the importance of preparedness. Residents are encouraged to stay informed and follow safety measures during these occurrences. For more detailed forecasts and preparedness tips, visit National Weather Service.
Best Time of the Year to Visit Baltimore, Maryland
Choosing the best time to visit Baltimore depends on your weather preferences and the activities you want to enjoy. Each season offers unique experiences in Maryland’s largest city.
What is Baltimore, Maryland Like in Spring
Spring in Baltimore, from March to May, brings mild temperatures perfect for outdoor activities. Average highs range from the 50s°F to the 70s°F.
The city bursts into life with blooming flowers and trees, creating a vibrant and colorful atmosphere.
This is an excellent time for exploring parks like Patterson Park and taking part in outdoor events. The pleasant weather makes it a great season for walking tours and visiting Inner Harbor. Keep in mind that spring can be unpredictable, with occasional rain showers.
What is Baltimore, Maryland Like in Summer
Summers in Baltimore, from June to August, are warm and humid. Daily highs range from the 80s°F to the low 90s°F.
This season is great for those who enjoy hot weather and outdoor festivals. Harborplace is a popular destination, offering shopping, dining, and entertainment.
Water activities like paddleboarding and boating are ideal in the hot summers. Pack light clothing and sunscreen.
Despite the heat, evenings can be pleasant, perfect for enjoying Baltimore’s vibrant nightlife. Summer is also baseball season, so catching an Orioles game at Camden Yards can be a highlight.
What is Baltimore, Maryland Like in Fall
Fall in Baltimore, from September to November, brings cooler temperatures and beautiful foliage. The days are pleasant, with highs ranging from the 60s°F to the 70s°F.
This is a popular time for tourism as the weather is comfortable and crowds are smaller.
Fall festivals and events, such as the Baltimore Book Festival, offer plenty of activities. Walking along the waterfront or exploring historic districts is more enjoyable without the summer heat. The season’s crisp air and changing leaves make it a perfect time for photography.
What is Baltimore, Maryland Like in Winter
Winter in Baltimore, from December to February, sees cold temperatures with averages between the upper 30s°F and low 40s°F. The city can experience occasional snowfall, adding a touch of winter magic.
Although winters are less busy, there are still plenty of indoor activities to enjoy.
Museums like the Baltimore Museum of Art and the National Aquarium offer a warm retreat. Winters are ideal for enjoying cozy cafes and unique local cuisine.
Dress warmly as temperatures can drop below freezing, especially in the evenings.
Baltimore’s varied climate ensures that there is always something to see and do, no matter the season.