St. Paul, Minnesota – Climate and Average Weather Year Round Guide

Visitors and residents of St. Paul, Minnesota, experience a variety of weather conditions throughout the year.

The hottest month in St. Paul is July, with average highs reaching 82°F and lows around 64°F.

Winter stretches from late November to early March, during which temperatures drop significantly. January stands out as the coldest month, with average lows around 10°F and highs at 24°F.

St. Paul, located in the northern hemisphere, exhibits a humid continental climate. This means it has extreme seasonal temperature differences, with hot summers and cold winters.

Rainfall is most frequent in June, with an average of 16.3 rainy days accumulating approximately 3.82 inches of precipitation.

Weather data from the region, such as from the Minneapolis–Saint Paul International Airport and St. Paul Downtown Holman Field, indicates that snowfall is also common in winter.

On average, the Minneapolis–Saint Paul area records 100 days per year with at least an inch of snow cover.

This rich climate diversity offers a comprehensive look at what one can expect weather-wise in St. Paul year-round.

Average Temperature In St. Paul, Minnesota

St. Paul, Minnesota experiences a range of temperatures year-round. The average temperature varies significantly between the warmest and coldest months.

July is the hottest month with an average high of 82°F and a low of 64°F. This period sees the peak in daily high temperatures, making it the warmest month of the year.

In contrast, January is the coldest month. During this time, the average low temperature drops to 10°F, and the high averages around 24°F. These cold conditions highlight the significant temperature fluctuation St. Paul experiences.

Here’s a quick overview of average temperatures:

The cold season in St. Paul spans from late November to early March, with daily high temperatures staying below 36°F during this period. This time illustrates the steady drop in average daily high temperatures.

During warmer months, from June to August, temperatures stabilize with higher daily averages. June, July, and August show consistent warmth, often making them stand out as the warmest period.

Temperature fluctuations are common, with significant hourly and daily changes. Understanding these patterns helps residents and visitors prepare for the varying climate conditions throughout the year.

Average Precipitation In St. Paul, Minnesota

St. Paul experiences significant rainfall throughout the year with the wettest month typically being June. Snowfall is prominent in winter, with January often seeing the highest snow accumulations.

Average Rainfall In St. Paul, Minnesota

St. Paul receives a fair amount of rainfall each year. The rainiest month is usually June, with an average precipitation of about 3.82 inches. June also tends to have around 16.3 rainy days, making it the wettest month.

Rainfall distribution is relatively even, but there can be variations. Summer months see more rain, whereas winter months tend to be drier.

Rainfall in St. Paul can affect daily activities, especially during peak rainy periods. Most of the year, the city enjoys a moderate rain pattern, without extreme wet days. This balanced precipitation supports local agriculture and maintains the lush greenery that St. Paul is known for.

Average Snow In St. Paul, Minnesota

Winters in St. Paul are marked by significant snowfall. January generally has the most snow, with an average of about 10 inches. Snowfall season starts around late November and lasts until early March.

Snow can greatly impact transportation and daily life during these months. Residents often deal with icy roads and heavy snowfall, requiring regular snow clearance and safety measures.

During the snowy months, outdoor activities shift to winter sports like skiing and ice-skating. The city adapts well to snow, ensuring infrastructure and services keep running smoothly despite the winter weather. Additionally, snowy conditions can create beautiful scenic landscapes, making St. Paul a charming winter destination.

Average Sun In St. Paul, Minnesota

St. Paul, Minnesota experiences significant variations in sunshine hours and solar energy throughout the year. The city’s climate is marked by distinct changes between seasons that affect the length of days and the amount of sunlight.

Average Daily Shortwave Solar Energy In St. Paul, Minnesota

St. Paul receives varying amounts of shortwave solar energy depending on the season.

In summer, the city enjoys long days with up to 15 hours of sunlight, peaking around the longest day in June.

Winter months bring shorter days with as few as 9 hours of sun, especially around the shortest day in December.

Cloud cover impacts the sunlight received. Summers generally have clearer skies, allowing for more sunshine, while winters see more overcast conditions.

Sunshine hours in summer can reach 10 hours per day, whereas, in winter, it is significantly less. The UV index also varies, being higher in summer due to increased solar energy and longer daylight hours.

For detailed information, you can visit Climate and Average Weather Year Round in Saint Paul Minnesota.

Average Humidity In St. Paul, Minnesota

St. Paul experiences varying levels of humidity throughout the year. The average annual relative humidity in the city is around 68%.

In December, the most humid month, the average relative humidity reaches 74%.

In contrast, May is the least humid month, with an average relative humidity of about 60%.

Monthly Averages

Dew point also influences comfort levels. In summer, dew points in St. Paul usually lie between 55°F and 65°F, contributing to a noticeable but not oppressive humidity.

During winter, the city experiences lower temperatures with dew points often falling below 20°F, which translates to a drier air feel.

You can find detailed humidity data for St. Paul here.

Average Wind In St. Paul, Minnesota

St. Paul, Minnesota experiences different wind speeds throughout the year.

The windiest month is April, with the highest average wind speeds. During this time, wind speeds can be significant.

July tends to have the least wind, making it one of the calmer months.

The table below shows the average monthly wind speeds:

Wind speeds in St. Paul can impact your daily activities. It’s beneficial to be informed about these patterns.

For more information on wind and its impact, refer to the relevant articles on wind.

Staying aware can help you plan your outdoor activities better and stay safe.

Average Air Quality In St. Paul, Minnesota

The air quality in St. Paul, Minnesota, varies throughout the year.

It often ranges from “Good” to “Moderate” on the Air Quality Index (AQI). The AQI measures several pollutants including PM2.5, PM10, ozone, sulfur dioxide, nitrogen dioxide, and carbon monoxide.

During most of the year, St. Paul enjoys good air quality. This is especially true in spring and fall.

However, there are times, especially in summer and winter, when pollutant levels can rise. For instance, fine particles (PM2.5) from vehicle emissions and industrial activities can occasionally increase.

Visibility in St. Paul is generally good but can be affected by air quality. During times of higher pollution, such as during wildfires or heavy traffic, visibility can decrease. On clearer days, residents can expect good visibility.

Pressure naturally influences air quality. High-pressure systems often lead to stagnant air, which can cause pollutants to accumulate. Conversely, low-pressure systems help disperse pollutants, leading to better air quality.

Topography Of St. Paul, Minnesota

St. Paul, Minnesota, is characterized by varied topography with a mix of elevations.

The city’s landscape includes hills, valleys, and flatlands, contributing to its unique terrain.

Elevation Details:

• Average Elevation: Approximately 879 feet.
• Minimum Elevation: Around 653 feet.
• Maximum Elevation: Reaches up to 1,099 feet.

St. Paul’s elevation impacts its weather patterns and overall climate.

Higher areas might experience slightly cooler temperatures due to elevation changes.

Terrain Highlights:

• The Mississippi River runs through St. Paul, creating diverse landscapes along its banks.
• Bluffs and river valleys are prominent features in the area, offering scenic views and recreational opportunities.

St. Paul’s varying elevation and distinctive terrain make it a fascinating place for residents and visitors alike.

This diverse landscape not only shapes the climate but also provides unique outdoor activities and natural beauty.

Extreme Weather Events That Occur In St. Paul, Minnesota

St. Paul, Minnesota experiences a variety of extreme weather events. These include heavy snowfall, severe thunderstorms, and intense rainfall.

Heavy Snowfall:

• St. Paul often sees significant snowfall in winter.
• There was a record snowfall of 21 inches just east of St. Paul during one storm.
• Such snow events can disrupt transportation and daily life.

Severe Thunderstorms:

• Thunderstorms are common in spring and summer.
• These storms can bring high winds, hail, and lightning.
• The city has experienced tornadoes, even in December.

Intense Rainfall:

• St. Paul has been affected by mega-rain events.
• These events involve at least six inches of rain over 1,000 square miles.
• Extreme rainfall leads to flooding and infrastructure damage.

St. Paul’s climate is characterized by these extreme weather patterns, making it essential for residents to stay prepared and informed.

More details on these events can be found at Minnesota Climate Extremes.

Best Time Of The Year To Visit St. Paul, Minnesota

Understanding St. Paul’s climate can help visitors decide the best time to plan their trip.

With distinct seasons, each offering unique weather patterns, visitors can experience a variety of activities and enjoy the city’s charm.

What Is St. Paul, Minnesota Like In Spring

Spring in St. Paul begins in March and lasts through May.

Temperatures range from the high 30s to the low 70s Fahrenheit.

As the snow melts, the city emerges with blooming flowers and greenery.

Rainfall averages about 2-3 inches per month, making it a relatively wet season.

March and April are colder, so pack layers.

By May, temperatures become more pleasant, and outdoor activities pick up.

Parks like Como Park Zoo and Conservatory are popular in spring, offering beautiful landscapes and family-friendly activities.

What Is St. Paul, Minnesota Like In Summer

Summer spans June to August, with temperatures ranging from the mid-60s to mid-80s Fahrenheit.

June starts the warm season, while July and August often see the hottest days.

Visitors can expect about 3-4 inches of rain per month, usually in quick showers.

This period is ideal for outdoor activities.

The city’s lakes and rivers entice those interested in boating, fishing, and swimming.

Festivals and events are frequent, offering a lively atmosphere.

The long daylight hours make it perfect for extended exploration.

What Is St. Paul, Minnesota Like In Fall

Fall runs from September through November.

Early fall temperatures range from the 60s to 70s Fahrenheit, but by November, it can drop to the 30s.

Rainfall is moderate at about 2-3 inches per month, with occasional early snowfalls by late November.

The changing leaves create beautiful scenery in places like Summit Avenue.

The crisp air is perfect for hiking and outdoor photography.

As the season progresses, it gets colder, so it’s wise to bring warmer clothing.

Local harvest festivals add to the charm.

What Is St. Paul, Minnesota Like In Winter

Winter starts in December and lasts until February. It’s the coldest season, with temperatures often below freezing, ranging from 9°F to the low 30s.

January is usually the coldest month.

Snowfall is common, with about 8-9 inches per month.

Winter activities such as ice skating, hockey, and skiing are popular. The city embraces the cold with events and winter carnivals.

Warm clothing is essential to enjoy the outdoors. Despite the cold, the festive atmosphere during the holiday season attracts many visitors.