Climate and monthly weather forecast
Fairmont, CA

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Weather in January

January in Fairmont, California, is a mild winter month, with an average temperature ranging between max 56.8°F (13.8°C) and min 39.6°F (4.2°C). Stepping into January, Fairmont records an average high-temperature of a refreshing 56.8°F (13.8°C), almost consistent with December. Weather in January »

Weather in February

The last month of the winter, February, is also a moderate month in Fairmont, California, with an average temperature varying between 57.6°F (14.2°C) and 38.5°F (3.6°C). The transition into February is marked with an average high-temperature of a still mild 57.6°F (14.2°C), showing an insignificant shift from January's 56.8°F (13.8°C). Weather in February »

Weather in March

March, the first month of the spring in Fairmont, is an enjoyable month, with an average temperature fluctuating between 62.4°F (16.9°C) and 40.3°F (4.6°C). The start of March sees the average high-temperature at an enjoyable 62.4°F (16.9°C), showing little difference from February's 57.6°F (14.2°C). Weather in March »

Weather in April

April is a pleasant spring month in Fairmont, California, with an average temperature fluctuating between 43.5°F (6.4°C) and 68.2°F (20.1°C). Fairmont, California, in April observes a minor temperature shift, with average high-temperatures adjusting from an enjoyable 62.4°F (16.9°C) in March to an agreeable 68.2°F (20.1°C). Weather in April »

Weather in May

May, the last month of the spring in Fairmont, is a moderately hot month, with an average temperature fluctuating between 48.6°F (9.2°C) and 74.1°F (23.4°C). May brings a slight rise in Fairmont's average high-temperature, moving from an agreeable 68.2°F (20.1°C) in April to a moderately hot 74.1°F (23.4°C). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Fairmont, California, with an average temperature ranging between min 55.8°F (13.2°C) and max 83.3°F (28.5°C). Fairmont, California, sees an increase in average high-temperatures during June, moving from 74.1°F (23.4°C) in May to a still moderately hot 83.3°F (28.5°C). Weather in June »

Weather in July

July is a hot summer month in Fairmont, California, with an average temperature ranging between min 61.7°F (16.5°C) and max 89.1°F (31.7°C). The start of July brings a subtle shift in the average high-temperature, edging up from June's moderately hot 83.3°F (28.5°C) to a hot 89.1°F (31.7°C). Weather in July »

Weather in August

August, the last month of the summer in Fairmont, is another tropical month, with temperature in the range of an average high of 90.1°F (32.3°C) and an average low of 62.1°F (16.7°C). Fairmont notes the warmest temperatures in August, with a high average of 90.1°F (32.3°C) and a low of 62.1°F (16.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Fairmont, is also a moderately hot month, with an average temperature fluctuating between 59°F (15°C) and 85.1°F (29.5°C). During September, Fairmont records an average high-temperature of a moderately hot 85.1°F (29.5°C), marking a slight divergence from August's 90.1°F (32.3°C). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Fairmont, California, with an average temperature varying between 73.4°F (23°C) and 51.8°F (11°C). The onset of October comes with a shift in the average high-temperature, falling from 85.1°F (29.5°C) in September to a still warm 73.4°F (23°C). Weather in October »

Weather in November

The last month of the autumn, November, is another comfortable month in Fairmont, California, with an average temperature ranging between min 44.2°F (6.8°C) and max 63.9°F (17.7°C). In November, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 73.4°F (23°C) in October to an enjoyable 63.9°F (17.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Fairmont, California, with an average temperature varying between 54.7°F (12.6°C) and 38.3°F (3.5°C). Fairmont's December weather, marked by an average high temperature of 54.7°F (12.6°C) and an average low temperature of 38.3°F (3.5°C), is the coldest in the year. Weather in December »
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

Throughout the year, there are 44.4 rainfall days, and 6.61" (168mm) of precipitation is accumulated.

When does it snow?

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

How many days does it snow?

Throughout the year, there are 11.7 snowfall days, and 11.26" (286mm) of snow is accumulated.

What are the months with the least sunshine?

January and February, with an average of 6.8h of sunshine, are months with the least sunshine.

What is the month with the lowest UV index?

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

What is the most humid month?

The months with the highest humidity are February and March, with an average relative humidity of 56%.

When is Daylight Saving Time (DST)?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.

What is the driest month?

June and August are months with the least rain when the rain falls for 1.3 days and typically aggregates up to 0.04" (1mm) of rain.

When it does not snow?

In Fairmont, snow does not fall in June through October.

When are the longest days?

June has the longest days of the year, with an average of 14h and 24min of daylight.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 12.2h of sunshine.

When is the highest UV index?

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

What is the hottest time of year?

August is the warmest month in Fairmont, with an average high-temperature of 90.1°F (32.3°C) and an average low-temperature of 62.1°F (16.7°C).

What is the least humid month?

The least humid month is August, with an average relative humidity of 35%.

What part of the year is the coldest?

With an average high-temperature of 54.7°F (12.6°C) and an average low-temperature of 38.3°F (3.5°C), December is the coldest month.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 5.8 days and accumulates 1.57" (40mm) of precipitation.

When does it snow the most in Fairmont?

December is the month with the most snowfall. Snow falls for 2.4 days and accumulates 5.31" (135mm) of snow.

What is the month with the shortest days?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

Average temperature
Fairmont, CA

Average temperature - Fairmont, CA

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is December (54.7°F).

The month with the highest average low temperature is August (62.1°F).
The coldest month (with the lowest average low temperature) is December (38.3°F).

Average pressure
Fairmont, CA

Average pressure - Fairmont, CA

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed
Fairmont, CA

Average wind speed - Fairmont, CA

The windiest month (with the highest average wind speed) is April (7.2mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).

Average humidity
Fairmont, CA

Average humidity - Fairmont, CA

The months with the highest relative humidity are February and March (56%).
The month with the lowest relative humidity is August (35%).

Average rainfall
Fairmont, CA

Average rainfall - Fairmont, CA

The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are June and August (0.04").

Average rainfall days
Fairmont, CA

Average rainfall days - Fairmont, CA

The month with the highest number of rainy days is March (7.3 days).
The months with the least rainy days are August and September (1.2 days).

Average snowfall
Fairmont, CA

Average snowfall - Fairmont, CA

The month with the highest snowfall is December (5.31").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days
Fairmont, CA

Average snowfall days - Fairmont, CA

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight / Average sunshine
Fairmont, CA

Average daylight / Average sunshine - Fairmont, CA

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are January and February (Average sunshine: 6h and 48min).

Average sunshine days
Fairmont, CA

Average sunshine days - Fairmont, CA

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is February (20.8 days).

Average UV index
Fairmont, CA

Average UV index - Fairmont, CA

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

Average visibility
Fairmont, CA

Average visibility - Fairmont, 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).

Fairmont, California, USA

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