Climate and monthly weather forecast
Folsom, PA

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Weather in January

January, like December, in Folsom, Pennsylvania, is a wintry winter month, with an average temperature varying between 37.4°F (3°C) and 25.7°F (-3.5°C). January is the month when Folsom sees the lowest average temperatures, with a high of 37.4°F (3°C) and a low of 25.7°F (-3.5°C). Weather in January »

Weather in February

The last month of the winter, February, is also an icy month in Folsom, Pennsylvania, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 41.2°F (5.1°C). As January turns into February, the average high-temperatures rest at a still icy 41.2°F (5.1°C), showing a minor variation from the prior month. Weather in February »

Weather in March

March, the first month of the spring in Folsom, is a frosty month, with an average temperature varying between 34.9°F (1.6°C) and 49.6°F (9.8°C). The start of March brings a subtle shift in the average high-temperature, edging up from February's wintry 41.2°F (5.1°C) to a frosty 49.6°F (9.8°C). Weather in March »

Weather in April

April is a refreshing spring month in Folsom, Pennsylvania, with an average temperature varying between 61.5°F (16.4°C) and 45°F (7.2°C). April's arrival is marked by an increase in the average high-temperature, moving from a chilly 49.6°F (9.8°C) in March to a comfortable 61.5°F (16.4°C). Weather in April »

Weather in May

May, the last month of the spring in Folsom, is an agreeable month, with an average temperature fluctuating between 55°F (12.8°C) and 72°F (22.2°C). Folsom's transition into May is marked by a rise in the average high-temperature, advancing from an enjoyable 61.5°F (16.4°C) in April to a pleasant 72°F (22.2°C). Weather in May »

Weather in June

June, the first month of the summer in Folsom, is a warm month, with an average temperature ranging between min 63.1°F (17.3°C) and max 79.7°F (26.5°C). Observing a minor shift, the average high-temperature during June adjusts from May's pleasant 72°F (22.2°C) to a warm 79.7°F (26.5°C). Weather in June »

Weather in July

July, like June, in Folsom, Pennsylvania, is another warm summer month, with an average temperature varying between 85.6°F (29.8°C) and 68.7°F (20.4°C). In Folsom, the month of July is known for its highest average temperatures, reaching a high of 85.6°F (29.8°C) and a low of 68.7°F (20.4°C). The heat index in July is computed to be a very hot 95°F (35°C). Weather in July »

Weather in August

August, the last month of the summer in Folsom, is also a moderately hot month, with an average temperature ranging between min 67.3°F (19.6°C) and max 83.5°F (28.6°C). August's arrival shows an average high-temperature of a still warm 83.5°F (28.6°C), hardly different from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Folsom, Pennsylvania, with an average temperature fluctuating between 60.8°F (16°C) and 76.6°F (24.8°C). Folsom's transition into September involves a gentle shift in temperature, receding from 83.5°F (28.6°C) in August to a still warm 76.6°F (24.8°C). Weather in September »

Weather in October

October, the same as September, is another refreshing autumn month in Folsom, Pennsylvania, with an average temperature fluctuating between 64.9°F (18.3°C) and 50.7°F (10.4°C). Folsom's weather changes with the onset of October, slightly falling from a moderately hot 76.6°F (24.8°C) in September to a refreshing 64.9°F (18.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Folsom, Pennsylvania, with an average temperature varying between 52.7°F (11.5°C) and 39.2°F (4°C). Folsom in November experiences a subtle temperature decline, with average high-temperatures reducing from an enjoyable 64.9°F (18.3°C) in October to a fresh 52.7°F (11.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a frosty month in Folsom, Pennsylvania, with an average temperature ranging between min 32.9°F (0.5°C) and max 44.1°F (6.7°C). December's arrival aligns with a minor decrease in average high-temperatures, from November's cool 52.7°F (11.5°C) to a frosty 44.1°F (6.7°C). Weather in December »
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Frequently asked questions

What are the coldest months in Folsom?

January is the coldest month in Folsom, with the temperature often reaching an average high of 37.4°F (3°C) and an average low of 25.7°F (-3.5°C).

What is the driest month in Folsom?

January is the month with the least rainfall in Folsom, Pennsylvania. Rain falls for 7.1 days and accumulates 1.61" (41mm) of precipitation.

How many days does it rain in Folsom?

Throughout the year, in Folsom, there are 148.4 rainfall days, and 25.94" (659mm) of precipitation is accumulated.

When does it snow in Folsom?

Months with snowfall in Folsom, Pennsylvania, are January through May, November and December.

How much does it snow in Folsom?

In Folsom, Pennsylvania, during the entire year, snow falls for 12.6 days and aggregates up to 7.28" (185mm) of snow.

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

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

What is the most humid month in Folsom?

The months with the highest humidity are February, October and December, with an average relative humidity of 77%.

What is the month with the least sunshine in Folsom?

The month with the least sunshine in Folsom, Pennsylvania, is February, with an average of 4.9h of sunshine.

What is the snowiest month in Folsom?

March is the month with the most snowfall in Folsom, Pennsylvania. Snow falls for 3 days and accumulates 2.32" (59mm) of snow.

When is Daylight Saving Time (DST) in Folsom?

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

What is the least humid month in Folsom?

With an average relative humidity of 71%, April is the least humid month.

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

May through August, with an average maximum UV index of 6, are months with the highest UV index.

When it does not snow in Folsom?

In Folsom, Pennsylvania, snow does not fall in June through October.

When are the longest days in Folsom?

June has the longest days of the year in Folsom, Pennsylvania, with an average of 15h and 0min of daylight.

What part of the year is the hottest in Folsom?

In Folsom, July is known for its average highest temperatures, reaching a high of 85.6°F (29.8°C) and a low of 68.7°F (20.4°C).

What month has the most sunshine in Folsom?

The month with the most sunshine is July, with an average of 10.7h of sunshine.

What is the wettest month in Folsom?

The month with the most rainfall in Folsom is August, when the rain falls for 16.1 days and typically aggregates up to 3.11" (79mm) of precipitation.

What is the month with the shortest days in Folsom?

With an average of 9h and 24min of daylight, December has the shortest days of the year.

Average temperature
Folsom, PA

Average temperature - Folsom, PA

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.4°F).

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

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Average pressure
Folsom, PA

Average pressure - Folsom, PA

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed
Folsom, PA

Average wind speed - Folsom, PA

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).

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Average humidity
Folsom, PA

Average humidity - Folsom, PA

The months with the highest relative humidity are February, October and December (77%).
The month with the lowest relative humidity is April (71%).

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Average rainfall
Folsom, PA

Average rainfall - Folsom, PA

The wettest month (with the highest rainfall) is August (3.11").
The driest month (with the least rainfall) is January (1.61").

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Average rainfall days
Folsom, PA

Average rainfall days - Folsom, PA

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall
Folsom, PA

Average snowfall - Folsom, PA

The month with the highest snowfall is March (2.32").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Folsom, PA

Average snowfall days - Folsom, PA

The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Folsom, PA

Average daylight / Average sunshine - Folsom, PA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days
Folsom, PA

Average sunshine days - Folsom, PA

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index
Folsom, PA

Average UV index - Folsom, PA

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Folsom, PA

Average visibility - Folsom, PA

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, Pennsylvania, USA

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