Climate and monthly weather forecast
Alta Sierra, CA

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Weather in January

January, the same as December, is another fresh winter month in Alta Sierra, California, with temperature in the range of an average high of 53.8°F (12.1°C) and an average low of 38.3°F (3.5°C). The arrival of January sees an average high-temperature of a still cool 53.8°F (12.1°C), hardly diverging from December's 51.3°F (10.7°C). Weather in January »

Weather in February

The last month of the winter, February, is another cool month in Alta Sierra, California, with an average temperature ranging between max 54.5°F (12.5°C) and min 37.8°F (3.2°C). The arrival of February coincides with an average high-temperature of a still cool 54.5°F (12.5°C), indicating a minimal shift from January's 53.8°F (12.1°C). Weather in February »

Weather in March

March, the first month of the spring in Alta Sierra, is a refreshing month, with temperature in the range of an average high of 56.5°F (13.6°C) and an average low of 39.9°F (4.4°C). The advent of March brings an average high-temperature of a moderate 56.5°F (13.6°C), almost identical to the preceding month. Weather in March »

Weather in April

April in Alta Sierra, California, is a refreshing spring month, with an average temperature ranging between min 43.3°F (6.3°C) and max 63.1°F (17.3°C). April introduces a marginal temperature uplift, with average high-temperatures adjusting from March's mild 56.5°F (13.6°C) to a still refreshing 63.1°F (17.3°C). Weather in April »

Weather in May

May, the last month of the spring in Alta Sierra, is a pleasant month, with an average temperature fluctuating between 71.2°F (21.8°C) and 48.4°F (9.1°C). In Alta Sierra, the onset of May comes with a modest high-temperature shift, transitioning from April's comfortable 63.1°F (17.3°C) to an agreeable 71.2°F (21.8°C). Weather in May »

Weather in June

June, the first month of the summer in Alta Sierra, is a moderately hot month, with an average temperature ranging between max 82°F (27.8°C) and min 55.9°F (13.3°C). The onset of June marks an increase in the average high-temperature, moving from an agreeable 71.2°F (21.8°C) in May to a warm 82°F (27.8°C). Weather in June »

Weather in July

July is a hot summer month in Alta Sierra, California, with an average temperature varying between 60.1°F (15.6°C) and 90.1°F (32.3°C). With average temperatures fluctuating between a high of 90.1°F (32.3°C) and a low of 60.1°F (15.6°C), July stands out as the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Alta Sierra, is also a hot month, with temperature in the range of an average high of 89.2°F (31.8°C) and an average low of 59.2°F (15.1°C). The initiation of August sees an average high-temperature of a still tropical 89.2°F (31.8°C), showing minor variations from the previous month. Weather in August »

Weather in September

September, the first month of the autumn in Alta Sierra, is still a warm month, with an average temperature varying between 83.8°F (28.8°C) and 56.5°F (13.6°C). As September commences, the average high-temperature subtly reduces, transitioning from a tropical 89.2°F (31.8°C) in August to a warm 83.8°F (28.8°C). Weather in September »

Weather in October

October, like September, is another pleasant autumn month in Alta Sierra, California, with temperature in the range of an average low of 50.7°F (10.4°C) and an average high of 72°F (22.2°C). The beginning of October involves a decrease in the average high-temperature, transitioning from a moderately hot 83.8°F (28.8°C) in September to an agreeable 72°F (22.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another refreshing month in Alta Sierra, California, with an average temperature ranging between min 42.8°F (6°C) and max 59.5°F (15.3°C). As November commences, the average high-temperature shows a reduction, transitioning from an agreeable 72°F (22.2°C) in October to a mild 59.5°F (15.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Alta Sierra, California, with an average temperature varying between 37.2°F (2.9°C) and 51.3°F (10.7°C). December, with an average high of 51.3°F (10.7°C) and a low of 37.2°F (2.9°C), signifies the coldest month of the year. Weather in December »
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Frequently asked questions

How many days does it rain in Alta Sierra?

In Alta Sierra, California, during the entire year, the rain falls for 82 days and collects up to 33.11" (841mm) of precipitation.

When does it snow in Alta Sierra?

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

How much does it snow in Alta Sierra?

Throughout the year, there are 6.8 snowfall days, and 14.41" (366mm) of snow is accumulated.

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

The month with the least sunshine is January, with an average of 5.7h of sunshine.

When does it snow the most in Alta Sierra?

February is the month with the most snowfall in Alta Sierra, California. Snow falls for 2.2 days and accumulates 6.42" (163mm) of snow.

What is the most humid month in Alta Sierra?

With an average relative humidity of 75%, March is the most humid month.

What is the wettest month in Alta Sierra?

The month with the most rainfall in Alta Sierra is March, when the rain falls for 15.1 days and typically aggregates up to 6.57" (167mm) of precipitation.

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

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Alta Sierra, 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 it does not snow in Alta Sierra?

In Alta Sierra, California, snow does not fall in June through October.

When are the longest days in Alta Sierra?

June has the longest days of the year, with an average of 14h and 54min of daylight.

What is the warmest month in Alta Sierra?

With its average high temperature of 90.1°F (32.3°C) and a low of 60.1°F (15.6°C), July is regarded as the warmest month in Alta Sierra, California.

What is the least humid month in Alta Sierra?

With an average relative humidity of 37%, July is the least humid month in Alta Sierra, California.

What is the driest month in Alta Sierra?

July and August are months with the least rain in Alta Sierra, California, when the rain falls for 1.1 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Alta Sierra?

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

What is the month with the highest UV index in Alta Sierra?

With an average maximum UV index of 7, July is the month with the highest UV index.

When is the lowest UV index in Alta Sierra?

November is the month with the lowest UV index, with an average maximum UV index of 2.

What is the coldest time of year in Alta Sierra?

In Alta Sierra, December registers the lowest temperatures, averaging 51.3°F (10.7°C) at the peak and 37.2°F (2.9°C) at the lowest.

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

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

Average temperature
Alta Sierra, CA

Average temperature - Alta Sierra, CA

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (51.3°F).

The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).

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Average pressure
Alta Sierra, CA

Average pressure - Alta Sierra, CA

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Alta Sierra, CA

Average wind speed - Alta Sierra, CA

The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average rainfall
Alta Sierra, CA

Average rainfall - Alta Sierra, CA

The wettest month (with the highest rainfall) is March (6.57").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Alta Sierra, CA

Average rainfall days - Alta Sierra, CA

The month with the highest number of rainy days is March (15.1 days).
The month with the least rainy days is July (1.1 days).

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Average snowfall
Alta Sierra, CA

Average snowfall - Alta Sierra, CA

The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days
Alta Sierra, CA

Average snowfall days - Alta Sierra, CA

The month with the highest number of snowfall days is March (2.4 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
Alta Sierra, CA

Average daylight / Average sunshine - Alta Sierra, CA

The month with the longest days is June (Average daylight: 14h and 54min).
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 12min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).

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Average sunshine days
Alta Sierra, CA

Average sunshine days - Alta Sierra, CA

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (14.8 days).

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Average visibility
Alta Sierra, CA

Average visibility - Alta Sierra, 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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Alta Sierra, California, USA

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