Richmond, California enjoys a mild and pleasant climate year-round, making it an attractive place to live and visit.
The warm season in Richmond lasts from June to mid-October, with average daily high temperatures above 72°F.
September stands out as the warmest month, boasting an average high of 76°F and a low of 55°F.
During the cooler months, temperatures dip but remain moderate.
From late November to early February, the average daily high is below 59°F, providing a gentle and comfortable escape from the harsher cold experienced in many other places.
Richmond sees about 262 sunny days yearly, significantly more than the national average of 205 sunny days, making it a haven for residents who cherish bright, sunny days.
Precipitation in Richmond is relatively low, with the city receiving some form of rain approximately 65 days annually.
This includes rain, snow, sleet, or hail that meets a minimum requirement of 0.01 inches on the ground to be counted.
Richmond’s climate is detailed in various resources, including a climate graph, which shows monthly averages for temperature, precipitation, and sunshine.
These mild and favorable conditions make Richmond a pleasant place to experience California’s inviting weather.
Average Temperature in Richmond, California
Richmond, California experiences mild weather year-round.
The average high temperature ranges from 59°F in the winter to 76°F in the summer.
The warmest month is September, with highs often around 76°F and lows near 55°F.
Summers are generally comfortable, making it a great time for outdoor activities.
The coldest month is January, with an average low temperature of 44°F and highs of about 56°F.
Winters are cool, but not harsh compared to many other places.
| Month | Average High (°F) | Average Low (°F) |
|---|---|---|
| January | 56 | 44 |
| February | 60 | 45 |
| March | 63 | 47 |
| April | 66 | 49 |
| May | 69 | 52 |
| June | 72 | 55 |
| July | 74 | 56 |
| August | 75 | 56 |
| September | 76 | 55 |
| October | 72 | 53 |
| November | 64 | 48 |
| December | 58 | 45 |
The mild range of temperatures contributes to Richmond having a comfortable climate for most of the year.
The cool season lasts from late November to early February, where temperatures do not drop too drastically.
Average Precipitation in Richmond, California
Richmond experiences varied precipitation throughout the year, with distinct wet and dry periods. Rainfall is the primary form of precipitation, snow is rare.
Average Rainfall in Richmond, California
Richmond’s rainfall varies significantly by month.
December is the wettest month with about 116 mm (4.57 inches) of precipitation.
The rainiest period lasts from late fall to early spring, particularly from November through March.
During this time, the city experiences numerous rainy days.
February often sees the most rainy days, with rain typically occurring for 7.1 days and accumulating around 35 mm (1.38 inches) of precipitation.
Summers are significantly drier, especially from May to September.
Notably, July has virtually no rain, marking it as the driest month with a negligible amount of precipitation.
On average, Richmond receives a total annual precipitation of 534 mm (21 inches), illustrating a Mediterranean climate with wet winters and dry summers.
Average Snow in Richmond, California
Snowfall is extremely rare in Richmond, California.
The city’s mild Mediterranean climate means winters are cool and wet with temperatures rarely dipping low enough for snow.
Most years, the city does not receive any measurable snow. This consistency makes it a reliable location for those who prefer to avoid winter snowstorms.
The rarity of snow and ice events ensures that Richmond remains frost-free and suitable for year-round outdoor activities.
Consequently, snow-related disruptions are virtually non-existent in this coastal city.
Average Sun in Richmond, California
Richmond experiences varying sun exposure throughout the year, with notable changes in sunshine, daylight hours, and UV index. Understanding these factors can help residents and visitors plan their activities and protect their skin.
Average Daily Shortwave Solar Energy in Richmond, California
In Richmond, the average daily shortwave solar energy varies across the months.
During the summer, the region enjoys higher solar energy levels, peaking around June and July.
This is due to longer daylight hours and clearer skies, providing more hours of sun.
Data Highlights:
- Summer Months (June – August): Highest solar energy levels, with long days and minimal cloud cover.
- Winter Months (December – February): Lower solar energy, shorter days, and more clouds reduce sunshine.
Residents can expect more intense UV indices during the summer, so wearing sunscreen and protective clothing is essential.
Average Humidity in Richmond, California
Richmond, California experiences varying levels of humidity throughout the year.
In January, humidity is at its highest, with an average of 80%. This month is typically more humid due to cooler temperatures and increased rainfall.
By contrast, October is the least humid month.
During this time, the average humidity drops to around 71%.
Throughout the year, Richmond maintains an average annual humidity of approximately 75%.
| Month | Average Humidity (%) |
|---|---|
| January | 80.0% |
| February | 78.0% |
| March | 76.0% |
| April | 75.0% |
| May | 73.0% |
| June | 73.0% |
| July | 72.0% |
| August | 72.0% |
| September | 72.0% |
| October | 71.0% |
| November | 75.0% |
| December | 78.0% |
These humidity levels can influence how the temperature feels.
For example, higher humidity can make warmer temperatures feel even hotter, particularly during summer months.
Average Wind in Richmond, California
Richmond, California experiences mild to moderate winds throughout the year.
Monthly Average Wind Speed:
| Month | Wind Speed (mph) |
|---|---|
| January | 5.4 |
| February | 5.6 |
| March | 6.0 |
| April | 6.2 |
| May | 6.4 |
| June | 6.0 |
| July | 5.8 |
| August | 5.7 |
| September | 5.4 |
| October | 5.2 |
| November | 5.3 |
| December | 5.2 |
Winds are typically stronger in the spring and early summer.
During these months, average wind speeds can reach up to 6.4 mph.
Wind Direction
Winds usually come from the west or southwest. This pattern is typical for coastal California areas.
Special Weather Events:
On rare occasions, strong winds can cause disruptions.
These events are not common but do add to the area’s unique climatic conditions.
Wind speeds in Richmond are generally mild. Most days, residents experience gentle breezes, making the climate quite pleasant.
Average Air Quality in Richmond, California
Richmond generally enjoys good air quality throughout the year.
The Air Quality Index (AQI) often stays within the “Good” range, suggesting that air pollution poses little or no risk to the general population.
Monthly Average AQI:
- January: 32
- June: 23
- September: 30
The table below shows a typical breakdown of air quality in Richmond:
| Month | AQI | Description |
|---|---|---|
| January | 32 | Good |
| June | 23 | Good |
| September | 30 | Good |
Key Factors:
- Particulate Matter (PM2.5): Major contributor to AQI.
- Wind Speed: Around 11.2 mph in summer.
Visibility in Richmond is usually clear, influenced by relatively low pollution levels and favorable weather conditions.
The weather data shows days with minimal haze, often contributing to good visibility.
The Air Quality in Richmond, California is consistently rated as “Good” in many months of the year, making it a suitable place for outdoor activities.
To keep track of air quality, residents can use tools like the AccuWeather Air Quality Index and IQAir for real-time data and forecasts.
Topography of Richmond, California
Richmond, California is located at approximately 37.9358° N latitude and 122.3477° W longitude.
It sits at an elevation of around 55 feet above sea level.
This coastal city is characterized by its diverse terrain, influenced by its proximity to the San Francisco Bay.
The city has a mix of flatlands, rolling hills, and some higher elevations.
The Richmond Hills rise in the eastern part of the city, offering scenic views and natural trails.
Richmond’s landscape features coastal plains near the bay, which transition into more hilly areas as you move inland.
These hills provide a unique topographical variation compared to the flat areas near the water.
Several creeks cut through Richmond, creating small valleys and adding to the city’s varied topography.
Notable water bodies include San Pablo Creek and Wildcat Creek.
Richmond also has several parks and open spaces that highlight its topography.
Point Pinole Regional Shoreline and Wildcat Canyon Regional Park showcase both flat coastal areas and hilly regions.
Miller/Knox Regional Shoreline is another park that offers a blend of flat, accessible waterfront and more elevated terrain.
The city’s location by the bay means it has some marshy areas as well, contributing to the uniqueness of its landscape.
Extreme Weather Events that Occur in Richmond, California
Heatwaves are a notable extreme weather event in Richmond.
During summer, temperatures can soar above 90°F, posing health risks. These events become more frequent with climate change.
Richmond occasionally experiences heavy rainfall events, leading to localized flooding.
Seasonal storms can bring several inches of rain in a short period, impacting roads and homes.
Wildfires are also a concern due to dry conditions and strong winds.
The combination of high temperatures and low humidity increases fire risks in surrounding areas.
The U.S. Climate Extremes Index indicates a general trend toward more frequent extremes across the country.
For more detailed information, visit U.S. Climate Extremes Index – Graph or Map.
| Extreme Weather Event | Typical Impact |
|---|---|
| Heatwaves | Health risks, heat exhaustion |
| Heavy Rainfall | Localized flooding, road closures |
| Wildfires | Air quality issues, evacuations |
Richmond’s proximity to the coast mitigates some weather extremes but does not eliminate risks entirely.
Extreme temperatures are still possible, particularly during prolonged dry spells.
For up-to-date forecasts and risk assessments, check sites like Extreme Weather Maps.
Best Time of the Year to Visit Richmond, California
Richmond, California offers pleasant weather during much of the year. The climate varies significantly between seasons, with each providing different attractions and experiences.
What Is Richmond, California Like in Spring
Spring in Richmond spans from March through May.
During these months, temperatures gradually rise from around 60°F in March to about 70°F in May.
This season is marked by mild and comfortable weather, with less rainfall compared to winter.
The flowers start blooming, making it ideal for outdoor activities such as hiking and picnicking.
Rainfall in March might still be noticeable but diminishes significantly by May.
It’s a perfect time for visitors who enjoy moderate temperatures and fewer crowds.
What Is Richmond, California Like in Summer
Summer in Richmond lasts from June to August.
The weather is warm, with average high temperatures ranging from 72°F to 76°F.
This season provides the best weather for beach outings and water-related activities.
The skies are mostly clear, and rainfall is minimal, rarely exceeding 0.2 inches per month.
Outdoor festivals, barbecues, and trips to the nearby parks are popular during this time.
Nights are cooler, often dropping to around 55°F, offering a refreshing end to the warm days.
What Is Richmond, California Like in Fall
Fall in Richmond, extending from September to November, starts warm and gradually cools.
September remains quite warm with highs around 76°F but drops to the mid-60s by November.
The weather is mostly dry with occasional rain beginning towards late October.
The fall foliage adds a touch of color to the city.
Outdoor activities continue to be pleasant, especially in early fall. By October, the tourist activity decreases, making it an excellent time for those who prefer a quieter experience.
What Is Richmond, California Like in Winter
Winter in Richmond spans December through February. The season is characterized by cooler temperatures, with daily highs ranging from 55°F to 59°F.
These months see the most rainfall, particularly in February, which averages 1.38 inches. Rainfall occurs about 4 to 7 days per month, bringing a chilly and damp atmosphere.
Despite the cooler weather, winter still offers some clear and sunny days. It’s a good time to visit local museums, cafes, and indoor attractions.
Richmond’s winter temperature rarely drops below the 40s, making it milder compared to many other regions.