Brighton
Colorado, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Brighton, CO

Trees on partly frozen lake water in Barr Lake State Park in Brighton, Colorado, sunny day with a partly cloudy sky above, a far landscape
Trees on partly frozen lake water in Barr Lake State Park in Brighton, Colorado, sunny day with a partly cloudy sky above, a far landscape
January, the same as December, is a wintry winter month in Brighton, Colorado, with average temperature ranging between max 42.1°F (5.6°C) and min 22.8°F (-5.1°C). In Brighton, the average high-temperature in January is relatively the same as in December - a still wintry 42.1°F (5.6°C). Weather in January »

The last month of the winter, February, is another cold month in Brighton, Colorado, with temperature in the range of an average low of 22.5°F (-5.3°C) and an average high of 42.6°F (5.9°C). In Brighton, the average high-temperature is relatively the same as in January - a still wintry 42.6°F (5.9°C). Weather in February »

March, the first month of the spring, in Brighton, is a cool month, with temperature in the range of an average high of 54.7°F (12.6°C) and an average low of 31.6°F (-0.2°C). In Brighton, the average high-temperature in March increases, from a wintry 42.6°F (5.9°C) in February, to a cool 54.7°F (12.6°C). Weather in March »

April is an enjoyable spring month in Brighton, Colorado, with average temperature varying between 61.3°F (16.3°C) and 36.5°F (2.5°C). In Brighton, the average high-temperature in April marginally rises, from a cool 54.7°F (12.6°C) in March, to a comfortable 61.3°F (16.3°C). Weather in April »

May, the last month of the spring, in Brighton, is a pleasant month, with average temperature ranging between max 69.4°F (20.8°C) and min 44.4°F (6.9°C). In Brighton, the average high-temperature slightly increases, from an enjoyable 61.3°F (16.3°C) in April, to an agreeable 69.4°F (20.8°C). Weather in May »

The first month of the summer, June, is a moderately hot month in Brighton, Colorado, with average temperature fluctuating between 56.3°F (13.5°C) and 84.7°F (29.3°C). In June, the average high-temperature significantly increases, from an agreeable 69.4°F (20.8°C) in May, to a moderately hot 84.7°F (29.3°C). Weather in June »

July is a hot summer month in Brighton, Colorado, with temperature in the range of an average high of 88.9°F (31.6°C) and an average low of 61.9°F (16.6°C). July is the warmest month, with an average high-temperature of 88.9°F (31.6°C) and an average low-temperature of 61.9°F (16.6°C). In July, the average heat index is calculated to a hot 90°F (32.2°C). Weather in July »

August, the last month of the summer, in Brighton, is another tropical month, with average temperature ranging between min 60.4°F (15.8°C) and max 88.2°F (31.2°C). In Brighton, Colorado, the average high-temperature in August is practically the same as in July - a still tropical 88.2°F (31.2°C). Weather in August »

September, the first month of the autumn, in Brighton, is also a moderately hot month, with average temperature fluctuating between 54°F (12.2°C) and 79.7°F (26.5°C). In Brighton, the average high-temperature marginally drops, from a hot 88.2°F (31.2°C) in August, to a moderately hot 79.7°F (26.5°C). Weather in September »

October, like September, in Brighton, Colorado, is another comfortable autumn month, with average temperature varying between 63.5°F (17.5°C) and 40.3°F (4.6°C). In October, the average high-temperature significantly decreases, from a warm 79.7°F (26.5°C) in September, to an enjoyable 63.5°F (17.5°C). Weather in October »

November, the last month of the autumn, in Brighton, is another cool month, with average temperature fluctuating between 30.7°F (-0.7°C) and 52.3°F (11.3°C). In November, the average high-temperature drops, from a comfortable 63.5°F (17.5°C) in October, to a cool 52.3°F (11.3°C). Weather in November »

December, the first month of the winter, in Brighton, is still a cold month, with average temperature ranging between max 40.8°F (4.9°C) and min 21.2°F (-6°C). With an average high-temperature of 40.8°F (4.9°C) and an average low-temperature of 21.2°F (-6°C), December is the coldest month. Weather in December »

What are the most humid months in Brighton?

Months with the highest humidity in Brighton are January and February, with an average relative humidity of 64%.

How many days does it rain in Brighton?

Throughout the year, there are 80.6 rainfall days, and 5.87" (149mm) of precipitation is accumulated.

When does it snow in Brighton?

January through May, October through December are months with snowfall.

How much does it snow in Brighton?

In Brighton, during the entire year, snow falls for 30.9 days, and aggregates up to 11.42" (290mm) of snow.

What are the months with the lowest UV index in Brighton?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Brighton.

What is the snowiest month in Brighton?

February is the month with the most snowfall. Snow falls for 6.8 days and accumulates 1.89" (48mm) of snow.

What is the month with the least sunshine in Brighton?

February has the least sunshine of the year, with an average of 6.6h of sunshine.

What is the rainiest month in Brighton?

May is the month with the most rainfall in Brighton, Colorado. Rain falls for 10.8 days and accumulates 0.98" (25mm) of precipitation.

When it does not snow in Brighton?

In Brighton, Colorado, snow does not fall in June through September.

When are the longest days in Brighton?

The month with the longest days in Brighton is June, with an average of 15h of daylight.

What are the months with the most sunshine in Brighton?

Months with the most sunshine are June and July, with an average of 11.8h of sunshine.

What is the month with the highest UV index in Brighton?

Months with the highest UV index are June through August, with an average maximum UV index of 6.

What is the warmest month in Brighton?

July is the warmest month in Brighton, with an average high-temperature of 88.9°F (31.6°C) and an average low-temperature of 61.9°F (16.6°C).

What is the least humid month in Brighton?

August is the least humid month in Brighton, with an average relative humidity of 40%.

What is the coldest month in Brighton?

December is the coldest month in Brighton, with an average high-temperature of 40.8°F (4.9°C) and an average low-temperature of 21.2°F (-6°C).

What is the driest month in Brighton?

December is the month with the least rainfall in Brighton. Rain falls for 2.6 days and accumulates 0.12" (3mm) of precipitation.

What is the month with the shortest days in Brighton?

December has the shortest days of the year in Brighton, Colorado, with an average of 9.4h of daylight.
Average temperature - Brighton, CO
Average humidity - Brighton, CO
Average rainfall - Brighton, CO

The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the lowest rainfall) is December (0.12").

Average rainfall days - Brighton, CO

The month with the highest number of rainy days is May (10.8 days).
The month with the lowest number of rainy days is December (2.6 days).

Average snowfall - Brighton, CO
Average snowfall days - Brighton, CO

The month with the highest number of snowfall days is February (6.8 days).
Months with the lowest number of snowfall days are June, July and August (0 days).

Average daylight / Average sunshine - Brighton, CO

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.4h).

Months with most sunshine are June and July (Average sunshine: 11.8h).
The month with least sunshine is February (Average sunshine: 6.6h).

Average UV index - Brighton, CO