Alta
California, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Alta, CA

January, like December, is another chilly winter month in Alta, California, with average temperature fluctuating between 30.9°F (-0.6°C) and 45.7°F (7.6°C). In Alta, the average high-temperature is essentially the same as in December - a still frosty 45.7°F (7.6°C). Weather in January »

February, the last month of the winter, in Alta, is also a frosty month, with temperature in the range of an average low of 29.3°F (-1.5°C) and an average high of 45.5°F (7.5°C). In Alta, the average high-temperature is practically the same as in January - a still chilly 45.5°F (7.5°C). Weather in February »

The first month of the spring, March, is also a frosty month in Alta, California, with temperature in the range of an average high of 47.8°F (8.8°C) and an average low of 31.5°F (-0.3°C). In Alta, California, the average high-temperature in March is practically the same as in February - a still frosty 47.8°F (8.8°C). Weather in March »

April in Alta, California, is a fresh spring month, with average temperature varying between 35.4°F (1.9°C) and 55.2°F (12.9°C). In April, the average high-temperature slightly increases, from a frosty 47.8°F (8.8°C) in March, to a cool 55.2°F (12.9°C). Weather in April »

May, the last month of the spring, in Alta, is an enjoyable month, with temperature in the range of an average high of 63.1°F (17.3°C) and an average low of 40.6°F (4.8°C). In Alta, the average high-temperature slightly increases, from a cool 55.2°F (12.9°C) in April, to a comfortable 63.1°F (17.3°C). Weather in May »

The first month of the summer, June, is a moderately hot month in Alta, California, with temperature in the range of an average high of 74.8°F (23.8°C) and an average low of 48°F (8.9°C). In Alta, California, the average high-temperature in June rises, from an enjoyable 63.1°F (17.3°C) in May, to a moderately hot 74.8°F (23.8°C). Weather in June »

July, the same as June, is another warm summer month in Alta, California, with average temperature fluctuating between 83.5°F (28.6°C) and 52.9°F (11.6°C). With an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 52.9°F (11.6°C), July is the warmest month. Weather in July »

August, the last month of the summer, in Alta, is also a moderately hot month, with average temperature fluctuating between 82.4°F (28°C) and 52°F (11.1°C). In Alta, California, the average high-temperature in August is essentially the same as in July - a still moderately hot 82.4°F (28°C). Weather in August »

The first month of the autumn, September, is still a warm month in Alta, California, with average temperature varying between 48°F (8.9°C) and 76.6°F (24.8°C). In September, the average high-temperature marginally drops, from 82.4°F (28°C) in August, to a still warm 76.6°F (24.8°C). Weather in September »

October, like September, in Alta, California, is another comfortable autumn month, with average temperature ranging between min 42.1°F (5.6°C) and max 64.2°F (17.9°C). In October, the average high-temperature drops, from a warm 76.6°F (24.8°C) in September, to an enjoyable 64.2°F (17.9°C). Weather in October »

The last month of the autumn, November, is another cool month in Alta, California, with average temperature ranging between max 52.3°F (11.3°C) and min 35.1°F (1.7°C). In November, the average high-temperature decreases, from an enjoyable 64.2°F (17.9°C) in October, to a cool 52.3°F (11.3°C). Weather in November »

December, the first month of the winter, in Alta, is also a frosty month, with average temperature ranging between max 43.7°F (6.5°C) and min 29.1°F (-1.6°C). December is the coldest month, with an average high-temperature of 43.7°F (6.5°C) and an average low-temperature of 29.1°F (-1.6°C). Weather in December »

How many days does it rain in Alta?

Throughout the year, there are 72.9 rainfall days, and 36.06" (916mm) of precipitation is accumulated.

When does it snow in Alta?

Months with snowfall in Alta, California, are January through June, September through December.

How much does it snow in Alta?

In Alta, California, during the entire year, snow falls for 53.3 days, and aggregates up to 151.57" (3850mm) of snow.

What is the month with the least sunshine in Alta?

The month with the least sunshine in Alta, California, is January, with an average of 5.6h of sunshine.

When is the lowest UV index in Alta?

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2.

What is the most humid month in Alta?

With an average relative humidity of 80%, March is the most humid month in Alta.

What is the rainiest month in Alta?

March is the month with the most rainfall. Rain falls for 10.8 days and accumulates 7.09" (180mm) of precipitation.

When does it snow the most in Alta?

The month with the most snowfall in Alta is March when snow falls for 11.7 days and typically aggregates up to 37.6" (955mm) of snow.

When are the longest days in Alta?

June has the longest days of the year in Alta, California, with an average of 14.9h of daylight.

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

June and July, with an average maximum UV index of 6, are months with the highest UV index in Alta, California.

What is the warmest month in Alta?

July is the warmest month in Alta, California, with an average high-temperature of 83.5°F (28.6°C) and an average low-temperature of 52.9°F (11.6°C).

What is the least humid month in Alta?

With an average relative humidity of 39%, July is the least humid month.

What is the driest month in Alta?

July is the month with the least rainfall in Alta. Rain falls for 1.8 days and accumulates 0.08" (2mm) of precipitation.

When it does not snow in Alta?

July and August are months without snowfall.

What month has the most sunshine in Alta?

With an average of 12.1h of sunshine, July has the most sunshine of the year.

What is the coldest month in Alta?

December is the coldest month, with an average high-temperature of 43.7°F (6.5°C) and an average low-temperature of 29.1°F (-1.6°C).

What is the month with the shortest days in Alta?

The month with the shortest days in Alta, California, is December, with an average of 9.5h of daylight.
Average temperature - Alta, CA
Average rainfall - Alta, CA
Average rainfall days - Alta, CA

The month with the highest number of rainy days is April (11 days).
The month with the lowest number of rainy days is July (1.8 days).

Average snowfall - Alta, CA
Average snowfall days - Alta, CA

The month with the highest number of snowfall days is March (11.7 days).
Months with the lowest number of snowfall days are July and August (0 days).

Average daylight / Average sunshine - Alta, CA

The month with the longest days is June (Average daylight: 14.9h).
The month with shortest days is December (Average daylight: 9.5h).

The month with most sunshine is July (Average sunshine: 12.1h).
The month with least sunshine is January (Average sunshine: 5.6h).

Average UV index - Alta, CA