Monthly weather forecast and climate
Chester, CA

Weather in January

January, the same as December, is a wintry winter month in Chester, California, with average temperature varying between 25.2°F (-3.8°C) and 40.5°F (4.7°C). In January, the average high-temperature is essentially the same as in December - a still wintry 40.5°F (4.7°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Chester, California, with average temperature ranging between max 40.8°F (4.9°C) and min 25.2°F (-3.8°C). In February, the average high-temperature is practically the same as in January - a still wintry 40.8°F (4.9°C). Weather in February »

Weather in March

March, the first month of the spring, in Chester, is a chilly month, with average temperature varying between 27.5°F (-2.5°C) and 43.7°F (6.5°C). In Chester, the average high-temperature is practically the same as in February - a frosty 43.7°F (6.5°C). Weather in March »

Weather in April

April is a fresh spring month in Chester, California, with average temperature varying between 51.6°F (10.9°C) and 31.5°F (-0.3°C). In Chester, California, the average high-temperature slightly increases, from a chilly 43.7°F (6.5°C) in March, to a cool 51.6°F (10.9°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Chester, California, with average temperature varying between 37.6°F (3.1°C) and 60.3°F (15.7°C). In Chester, the average high-temperature slightly increases, from a fresh 51.6°F (10.9°C) in April, to a mild 60.3°F (15.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Chester, is an agreeable month, with average temperature varying between 44.4°F (6.9°C) and 71.8°F (22.1°C). In June, the average high-temperature increases, from a mild 60.3°F (15.7°C) in May, to an agreeable 71.8°F (22.1°C). Weather in June »

Weather in July

July in Chester, California, is a warm summer month, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 81.3°F (27.4°C). The warmest month is July, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 49.5°F (9.7°C). In July, the average heat index is estimated at 81.1°F (27.3°C). Weather in July »

Weather in August

August, the last month of the summer, in Chester, is also a moderately hot month, with average temperature ranging between min 48°F (8.9°C) and max 80.2°F (26.8°C). In August, the average high-temperature is essentially the same as in July - a still moderately hot 80.2°F (26.8°C). Weather in August »

Weather in September

September, the first month of the autumn, in Chester, is also a moderately hot month, with average temperature ranging between min 44.6°F (7°C) and max 73.4°F (23°C). In Chester, the average high-temperature slightly decreases, from 80.2°F (26.8°C) in August, to a still warm 73.4°F (23°C). Weather in September »

Weather in October

October, the same as September, in Chester, California, is a moderate autumn month, with average temperature fluctuating between 36.5°F (2.5°C) and 60.6°F (15.9°C). In October, the average high-temperature decreases, from a moderately hot 73.4°F (23°C) in September, to a moderate 60.6°F (15.9°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Chester, California, with average temperature fluctuating between 47.8°F (8.8°C) and 29.1°F (-1.6°C). In November, the average high-temperature drops, from a mild 60.6°F (15.9°C) in October, to a chilly 47.8°F (8.8°C). Weather in November »

Weather in December

December, the first month of the winter, in Chester, is also a wintry month, with average temperature varying between 24.1°F (-4.4°C) and 38.3°F (3.5°C). With an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 24.1°F (-4.4°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Chester?

In Chester, California, during the entire year, the rain falls for 98.1 days and collects up to 32.99" (838mm) of precipitation.

When does it snow in Chester?

Months with snowfall are January through June, September through December.

How many days does it snow in Chester?

In Chester, during the entire year, snow falls for 66 days, and aggregates up to 127.72" (3244mm) of snow.

What is the month with the least sunshine in Chester?

January has the least sunshine of the year in Chester, with an average of 5.1h of sunshine.

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

February and November, with an average maximum UV index of 1, are months with the lowest UV index in Chester, California.

What is the most humid month in Chester?

The most humid month in Chester is March, with an average relative humidity of 83%.

What is the rainiest month in Chester?

March is the month with the most rainfall. Rain falls for 12.2 days and accumulates 5.59" (142mm) of precipitation.

What is the snowiest month in Chester?

The month with the most snowfall in Chester is March when snow falls for 14 days and typically aggregates up to 27.05" (687mm) of snow.

When are the longest days in Chester?

With an average of 15h of daylight, June has the longest days of the year.

What is the warmest month in Chester?

July is the warmest month, with an average high-temperature of 81.3°F (27.4°C) and an average low-temperature of 49.5°F (9.7°C).

What is the least humid month in Chester?

The least humid month in Chester, California, is July, with an average relative humidity of 42%.

What is the driest month in Chester?

July is the month with the least rainfall in Chester. Rain falls for 4.3 days and accumulates 0.39" (10mm) of precipitation.

When it does not snow in Chester?

In Chester snow does not fall in July and August.

What month has the most sunshine in Chester?

With an average of 12.1h of sunshine, July has the most sunshine of the year in Chester.

When is the highest UV index in Chester?

July is the month with the highest UV index, with an average maximum UV index of 6.

What is the coldest month in Chester?

With an average high-temperature of 38.3°F (3.5°C) and an average low-temperature of 24.1°F (-4.4°C), December is the coldest month in Chester, California.

What is the month with the shortest days in Chester?

The month with the shortest days in Chester, California, is December, with an average of 9.4h of daylight.

Average temperature
Chester, CA

Average temperature - Chester, CA

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is December (38.3°F).

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).

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Average pressure
Chester, CA

Average pressure - Chester, CA

The month with the highest atmospheric pressure is January (30.18").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed
Chester, CA

Average wind speed - Chester, CA

The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average rainfall
Chester, CA

Average rainfall - Chester, CA

The wettest month (with the highest rainfall) is March (5.59").
The driest month (with the least rainfall) is July (0.39").

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Average rainfall days
Chester, CA

Average rainfall days - Chester, CA

The month with the highest number of rainy days is May (13.4 days).
The month with the least rainy days is August (4 days).

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Average snowfall
Chester, CA

Average snowfall - Chester, CA

The month with the highest snowfall is March (27.05").
Months with the least snowfall are July and August (0").

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Average snowfall days
Chester, CA

Average snowfall days - Chester, CA

The month with the highest number of snowfall days is March (14 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Chester, CA

Average daylight / Average sunshine - Chester, CA

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

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is January (Average sunshine: 5.1h).

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Average sunshine days
Chester, CA

Average sunshine days - Chester, CA

The month with the most sunshine days is August (25 days).
The month with the least sunshine days is March (10.9 days).

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Average visibility
Chester, CA

Average visibility - Chester, CA

Months with the highest visibility are May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

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