Climate and monthly weather forecast
Sierra City, CA

Weather in January

January, like December, in Sierra City, California, is a wintry winter month, with an average temperature varying between 38.8°F (3.8°C) and 23.2°F (-4.9°C). In January, the average high-temperature is practically the same as in December - a still wintry 38.8°F (3.8°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Sierra City, California, with an average temperature fluctuating between 22.8°F (-5.1°C) and 39.6°F (4.2°C). In Sierra City, the average high-temperature in February is relatively the same as in January - a still wintry 39.6°F (4.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a frosty month in Sierra City, California, with an average temperature ranging between max 43.2°F (6.2°C) and min 25.3°F (-3.7°C). In Sierra City, California, the average high-temperature in March is essentially the same as in February - a chilly 43.2°F (6.2°C). Weather in March »

Weather in April

April is a fresh spring month in Sierra City, California, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 29.7°F (-1.3°C). In Sierra City, the average high-temperature in April marginally rises from a chilly 43.2°F (6.2°C) in March to a cool 51.4°F (10.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a mild month in Sierra City, California, with temperature in the range of an average low of 35.8°F (2.1°C) and an average high of 60.6°F (15.9°C). In Sierra City, the average high-temperature in May rises from a cool 51.4°F (10.8°C) in April to a mild 60.6°F (15.9°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Sierra City, California, with an average temperature varying between 72.7°F (22.6°C) and 42.1°F (5.6°C). In Sierra City, the average high-temperature in June increases from a mild 60.6°F (15.9°C) in May to a pleasant 72.7°F (22.6°C). Weather in June »

Weather in July

July in Sierra City, California, is a moderately hot summer month, with an average temperature fluctuating between 82.9°F (28.3°C) and 47.5°F (8.6°C). With an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 47.5°F (8.6°C), July is the warmest month. The average heat index in July is estimated at 82.4°F (28°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Sierra City, California, with temperature in the range of an average low of 46°F (7.8°C) and an average high of 81.1°F (27.3°C). In Sierra City, the average high-temperature in August is almost the same as in July - a still moderately hot 81.1°F (27.3°C). Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Sierra City, California, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 42.3°F (5.7°C). In Sierra City, the average high-temperature in September slightly decreases from a moderately hot 81.1°F (27.3°C) in August to a still warm 73.8°F (23.2°C). Weather in September »

Weather in October

October, the same as September, in Sierra City, California, is another mild autumn month, with an average temperature fluctuating between 34.9°F (1.6°C) and 60.4°F (15.8°C). In October, the average high-temperature drops from a moderately hot 73.8°F (23.2°C) in September to a mild 60.4°F (15.8°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a frosty month in Sierra City, California, with an average temperature varying between 47.3°F (8.5°C) and 27°F (-2.8°C). In November, the average high-temperature drops from a mild 60.4°F (15.8°C) in October to a chilly 47.3°F (8.5°C). Weather in November »

Weather in December

The first month of the winter, December, is also a wintry month in Sierra City, California, with an average temperature varying between 37.2°F (2.9°C) and 21.6°F (-5.8°C). December is the coldest month, with an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 21.6°F (-5.8°C). Weather in December »
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FAQ

What are the most humid months in Sierra City?

January and March, with an average relative humidity of 81%, are most humid months in Sierra City.

How much does it rain in Sierra City?

Throughout the year, in Sierra City, there are 80.1 rainfall days, and 22.95" (583mm) of precipitation is accumulated.

When does it snow in Sierra City?

January through June, September through December are months with snowfall in Sierra City, California.

How many days does it snow in Sierra City?

In Sierra City, during the entire year, snow falls for 69.3 days and aggregates up to 103.5" (2629mm) of snow.

What is the month with the least sunshine in Sierra City?

January has the least sunshine of the year in Sierra City, California, with an average of 5h of sunshine.

What is the rainiest month in Sierra City?

March is the month with the most rainfall. Rain falls for 10.1 days and accumulates 4.02" (102mm) of precipitation.

When is Daylight Saving Time (DST) in Sierra City?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from PDT to PST.

When are the longest days in Sierra City?

June has the longest days of the year in Sierra City, with an average of 14h and 55min of daylight.

When is the highest UV index in Sierra City?

The months with the highest UV index in Sierra City, California, are June through August, with an average maximum UV index of 5.

What is the warmest month in Sierra City?

July is the warmest month in Sierra City, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 47.5°F (8.6°C).

What is the least humid month in Sierra City?

July and August, with an average relative humidity of 40%, are the least humid months.

When it does not snow in Sierra City?

July and August are months without snowfall in Sierra City, California.

What month has the most sunshine in Sierra City?

July has the most sunshine of the year in Sierra City, California, with an average of 12h of sunshine.

What is the driest month in Sierra City?

August is the month with the least rainfall. Rain falls for 3.4 days and accumulates 0.2" (5mm) of precipitation.

What is the month with the lowest UV index in Sierra City?

With an average maximum UV index of 1, November is the month with the lowest UV index in Sierra City.

What is the coldest month in Sierra City?

With an average high-temperature of 37.2°F (2.9°C) and an average low-temperature of 21.6°F (-5.8°C), December is the coldest month in Sierra City.

When does it snow the most in Sierra City?

The month with the most snowfall is December, when snow falls for 12.8 days and typically aggregates up to 22.52" (572mm) of snow.

What is the month with the shortest days in Sierra City?

The month with the shortest days is December, with an average of 9h and 26min of daylight.

Average temperature
Sierra City, CA

Average temperature - Sierra City, CA

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is December (37.2°F).

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).

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Average pressure
Sierra City, CA

Average pressure - Sierra City, CA

The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Sierra City, CA

Average wind speed - Sierra City, CA

The windiest month (with the highest average wind speed) is March (6.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.2mph).

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Average humidity
Sierra City, CA

Average humidity - Sierra City, CA

The months with the highest relative humidity are January and March (81%).
The months with the lowest relative humidity are July and August (40%).

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Average rainfall
Sierra City, CA

Average rainfall - Sierra City, CA

The wettest month (with the highest rainfall) is March (4.02").
The driest month (with the least rainfall) is August (0.2").

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Average rainfall days
Sierra City, CA

Average rainfall days - Sierra City, CA

The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is July (3.3 days).

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Average snowfall
Sierra City, CA

Average snowfall - Sierra City, CA

The month with the highest snowfall is December (22.52").
The months with the least snowfall are July and August (0").

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Average snowfall days
Sierra City, CA

Average snowfall days - Sierra City, CA

The month with the highest number of snowfall days is March (14.7 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Sierra City, CA

Average daylight / Average sunshine - Sierra City, CA

The month with the longest days is June (Average daylight: 14h and 55min).
The month with the shortest days is December (Average daylight: 9h and 26min).

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5h).

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Average sunshine days
Sierra City, CA

Average sunshine days - Sierra City, CA

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.8 days).

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Average visibility
Sierra City, CA

Average visibility - Sierra City, CA

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

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