Concord (CA) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Concord.
Climate overview of Concord
Concord, California, United States of America, sees big temperature differences between seasons, with July peaking at 31°C (88°F) and December dropping to 14°C (57°F).
The city tends toward dry conditions, with around 398 mm (16 in) of rainfall per year. It does, however, have a distinct dry season from May to November, with very warm summers and mild winters. The sunniest month is May, with 10.8 hours of sunshine per day on average.
Concord Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Concord - and find the best time to visit.
Monthly Temperature in Concord
Visitors to Concord can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 31°C (88°F) in July to a moderate 14°C (57°F) in the coolest month, December.
Nights vary from 14°C (57°F) in July to around 4°C (39°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Concord
Concord's climate is marked by below-average rainfall, accumulating 398 mm (16 in) of precipitation yearly. The climate in Concord shows significant variation throughout the year. Expect moderate rainfall in December, the wettest month, with an average of 83 mm (3.3 in) of precipitation over 11 rainy days.
In contrast, the driest month July offers drier and sunnier days, with around 0.1 mm (0 in) of rainfall over 0 rainy days. For more details, please visit our Concord Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Concord
For those who appreciate different seasons, Concord serves as an ideal destination. Expect longer, more sun-filled days in May with an average of 10.8 hours of sunshine daily, and embrace the darker days in December, offering only 5.3 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Concord by Month
The relative humidity is high throughout the year in Concord.
The city experiences its highest humidity in January, reaching 80%. In June, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Concord
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: April, May, June, September and October
- Warmest weather: July, August and September
- Most sunshine: April, May, June and July
- Fewest rainy days: June, July, August and September
- Seasonal pattern: A distinct dry season from May to November, with very warm summers and mild winters
Frequently asked questions about the climate in Concord
What is the best time to visit Concord?
April, May, June, September and October typically offer the most optimal weather in Concord. In contrast, January, February and December tend to have less optimal conditions. Concord has a distinct dry season from May to November, with very warm summers and mild winters.
What temperatures can I expect in Concord?
Daytime highs range from 14°C (57°F) in December to 31°C (88°F) in July. Nighttime lows range from 4°C (39°F) to 14°C (57°F). Temperatures vary considerably through the year.
How much rain does Concord get?
Annual rainfall is around 398 mm (16 in). December is the wettest month with 83 mm (3.3 in), while July is the driest with 0.1 mm (0 in).
How sunny is Concord?
Concord receives around 3,058 hours of sunshine per year. May is the sunniest month with 324 hours, while December is the cloudiest with just 160 hours. Overall, Concord enjoys abundant sunshine.
Concord 3-Day Forecast
Concord (CA) 3-Day Forecast
Concord on the map
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