Climate and monthly weather forecast
Folsom, CA

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Weather in January

January is a moderate winter month in Folsom, California, with an average temperature fluctuating between 55.9°F (13.3°C) and 40.6°F (4.8°C). The advent of January brings an average high-temperature of a mild 55.9°F (13.3°C), exhibiting minor difference from the previous month. Weather in January »

Weather in February

February, the last month of the winter in Folsom, is another refreshing month, with an average temperature varying between 58.3°F (14.6°C) and 40.8°F (4.9°C). The arrival of February sees a recorded average high-temperature of a still moderate 58.3°F (14.6°C), showing little divergence from the previous month's conditions. Weather in February »

Weather in March

March, the first month of the spring in Folsom, is a comfortable month, with an average temperature ranging between min 43°F (6.1°C) and max 61.3°F (16.3°C). Folsom's shift into March is marked by a subtle change to an enjoyable 61.3°F (16.3°C) from February's 58.3°F (14.6°C) in temperature. Weather in March »

Weather in April

April is a pleasant spring month in Folsom, California, with an average temperature varying between 46°F (7.8°C) and 68.5°F (20.3°C). As April arrives, Folsom's weather shows a minor increase in high-temperatures, edging from March's refreshing 61.3°F (16.3°C) to a pleasant 68.5°F (20.3°C). Weather in April »

Weather in May

May, the last month of the spring in Folsom, is a moderately hot month, with an average temperature varying between 50.5°F (10.3°C) and 76.3°F (24.6°C). A slight uplift of average high-temperatures is noted in May, with temperatures adjusting from a pleasant 68.5°F (20.3°C) in April to a warm 76.3°F (24.6°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Folsom, California, with an average temperature varying between 56.8°F (13.8°C) and 87.3°F (30.7°C). Folsom's June weather brings a rise in high-temperatures, moving from a moderately hot 76.3°F (24.6°C) in May to a tropical 87.3°F (30.7°C). Weather in June »

Weather in July

July, like June, is another tropical summer month in Folsom, California, with an average temperature varying between 93.7°F (34.3°C) and 59.7°F (15.4°C). The month of July, characterized by an average high of 93.7°F (34.3°C) and a low of 59.7°F (15.4°C), is recognized as the warmest. The average heat index in July is computed to be a very hot 96.8°F (36°C). Weather in July »

Weather in August

August, the last month of the summer in Folsom, is another hot month, with an average temperature fluctuating between 92.8°F (33.8°C) and 59.9°F (15.5°C). August brings a marginal elevation to a still hot 92.8°F (33.8°C) from July's 93.7°F (34.3°C) in Folsom's average high-temperatures. Weather in August »

Weather in September

The first month of the autumn, September, is still a tropical month in Folsom, California, with an average temperature fluctuating between 87.4°F (30.8°C) and 58.5°F (14.7°C). With the advent of September, Folsom experiences an average high-temperature of a still tropical 87.4°F (30.8°C), mirroring a close resemblance to the previous month. Weather in September »

Weather in October

October, like September, in Folsom, California, is another warm autumn month, with an average temperature ranging between min 52.7°F (11.5°C) and max 75.4°F (24.1°C). Onset of October comes with a temperature decline, the average high falling from a hot 87.4°F (30.8°C) in September to a warm 75.4°F (24.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Folsom, California, with an average temperature ranging between max 62.6°F (17°C) and min 45.5°F (7.5°C). In November, the average high-temperature goes from a moderately hot 75.4°F (24.1°C) in October to a refreshing 62.6°F (17°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Folsom, California, with an average temperature varying between 54°F (12.2°C) and 40.1°F (4.5°C). December is the coldest month, with the temperature often reaching an average high of 54°F (12.2°C) and an average low of 40.1°F (4.5°C). Weather in December »
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Frequently asked questions

How much does it rain in Folsom?

Throughout the year, there are 70.2 rainfall days, and 13.43" (341mm) of precipitation is accumulated.

When it does not snow in Folsom?

January through November are months without snowfall in Folsom.

How much does it snow in Folsom?

In Folsom, California, during the entire year, snow aggregates up to 0.04" (1mm).

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

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Folsom, California.

What is the most humid month in Folsom?

With an average relative humidity of 74%, March is the most humid month in Folsom, California.

What is the rainiest month in Folsom?

The month with the most rainfall in Folsom, California, is March, when the rain falls for 12.9 days and typically aggregates up to 2.48" (63mm) of precipitation.

When is Daylight Saving Time (DST) in Folsom?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Folsom, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Folsom?

The month with the longest days is June, with an average of 14h and 48min of daylight.

What are the months with the highest UV index in Folsom?

The months with the highest UV index are June and July, with an average maximum UV index of 7.

What is the hottest time of year in Folsom?

July, with an average high of 93.7°F (34.3°C) and a low of 59.7°F (15.4°C), signifies the warmest month of the year.

What is the least humid month in Folsom?

With an average relative humidity of 41%, July is the least humid month.

What is the driest month in Folsom?

The months with the least rainfall are July and August Rain falls for 1.2 days and accumulates 0.04" (1mm) of rain.

What month has the most sunshine in Folsom?

The month with the most sunshine in Folsom is July, with an average of 12.1h of sunshine.

What part of the year is the coldest in Folsom?

Folsom's coldest weather arrives in December, when temperatures average a high of 54°F (12.2°C) and a low of 40.1°F (4.5°C).

When does it snow in Folsom?

The only month with snowfall in Folsom, California, is December.

When does it snow the most in Folsom?

The month with the most snowfall is December, when snow falls for 0.2 days and typically aggregates up to 0.04" (1mm) of snow.

What is the month with the shortest days in Folsom?

With an average of 9h and 30min of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Folsom?

December has the least sunshine of the year, with an average of 5.8h of sunshine.

Average temperature
Folsom, CA

Average temperature - Folsom, CA

The warmest month (with the highest average high temperature) is July (93.7°F).
The month with the lowest average high temperature is December (54°F).

The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

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Average pressure
Folsom, CA

Average pressure - Folsom, CA

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Folsom, CA

Average wind speed - Folsom, CA

The windiest month (with the highest average wind speed) is February (5.5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).

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Average rainfall
Folsom, CA

Average rainfall - Folsom, CA

The wettest month (with the highest rainfall) is March (2.48").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Folsom, CA

Average rainfall days - Folsom, CA

The month with the highest number of rainy days is March (12.9 days).
The month with the least rainy days is July (1.2 days).

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Average snowfall
Folsom, CA

Average snowfall - Folsom, CA

The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days
Folsom, CA

Average snowfall days - Folsom, CA

The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight / Average sunshine
Folsom, CA

Average daylight / Average sunshine - Folsom, CA

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days
Folsom, CA

Average sunshine days - Folsom, CA

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (17.3 days).

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Average UV index
Folsom, CA

Average UV index - Folsom, CA

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

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Average visibility
Folsom, CA

Average visibility - Folsom, CA

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Folsom, California, USA

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