Brighton (CO) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Brighton.
Climate overview of Brighton
The climate in Brighton, Colorado, United States of America, is marked by large temperature swings across the seasons, ranging from 33°C (91°F) in July to 5°C (41°F) in December.
The city has a relatively dry climate, receiving around 361 mm (14 in) of rain/snowfall per year. It does experience a distinct dry season from August to March, with very warm summers and cold winters. May is the wettest month and January the driest. Sunshine peaks in July, when the city sees around 10.8 hours of sunshine per day.
Brighton Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Brighton - and find the best time to visit.
Monthly Temperature in Brighton
In Brighton, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 33°C (91°F) in July to a chilly 5°C (41°F) in December.
Nighttime temperatures range from 15°C (59°F) in July to -10°C (14°F) in December.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Brighton
Brighton typically sees modest rain/snowfall throughout the year, with an average annual precipitation of 361 mm (14 in). The seasons in Brighton bring significant changes in precipitation. The wettest month, May, receives moderate rainfall, with an average of 61 mm (2.4 in) of precipitation. This rainfall is distributed across 11 rainy days.
In contrast, the driest month, January, experiences much less snow/rainfall, totaling 9.1 mm (0.4 in) over 4 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Brighton 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 Brighton
In Brighton, summer days are longer and more sunny, with daily sunshine hours peaking at 10.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 6.5 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Brighton by Month
The relative humidity is moderate throughout the year in Brighton.
The city experiences its highest humidity in December, reaching 56%. In July, the humidity drops to its lowest level at 46%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Brighton
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and September
- Warmest weather: July and August
- Most sunshine: June and July
- Seasonal pattern: A distinct dry season from August to March, with very warm summers and cold winters
- Coldest conditions: December, with freezing nights around -10°C (14°F).
Frequently asked questions about the climate in Brighton
What is the best time to visit Brighton?
May and September typically offer the most optimal weather in Brighton. In contrast, January, February, July and December tend to have less optimal conditions. Brighton has a distinct dry season from August to March, with very warm summers and cold winters.
What temperatures can I expect in Brighton?
Daytime highs range from 5°C (41°F) in December to 33°C (91°F) in July. Nighttime lows range from -10°C (14°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Brighton get?
Annual rainfall is around 361 mm (14 in). May is the wettest month with 61 mm (2.4 in), while January is the driest with 9.1 mm (0.4 in).
How sunny is Brighton?
Brighton receives around 3,102 hours of sunshine per year. July is the sunniest month with 323 hours, while November is the cloudiest with just 195 hours. Overall, Brighton enjoys abundant sunshine.
Brighton 3-Day Forecast
Brighton (CO) 3-Day Forecast
Brighton on the map
Brighton is highlighted - select any city to see its climate.
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