Alturas, CA - Detailed climate information and monthly weather forecast

January, like December, in Alturas, California, is a wintry winter month, with temperature in the range of an average low of 24.4°F (-4.2°C) and an average high of 38.7°F (3.7°C). In Alturas, the average high-temperature is practically the same as in December - a still cold 38.7°F (3.7°C). Weather in January »

The last month of the winter, February, is another cold month in Alturas, California, with average temperature varying between 26.1°F (-3.3°C) and 39.9°F (4.4°C). In February, the average high-temperature is practically the same as in January - a still cold 39.9°F (4.4°C). Weather in February »

The first month of the spring, March, is a chilly month in Alturas, California, with average temperature fluctuating between 45.1°F (7.3°C) and 29.5°F (-1.4°C). In March, the average high-temperature is essentially the same as in February - a frosty 45.1°F (7.3°C). Weather in March »

April is a cool spring month in Alturas, California, with temperature in the range of an average high of 52.7°F (11.5°C) and an average low of 33.4°F (0.8°C). In April, the average high-temperature slightly increases, from a chilly 45.1°F (7.3°C) in March, to a cool 52.7°F (11.5°C). Weather in April »

May, the last month of the spring, in Alturas, is a comfortable month, with temperature in the range of an average low of 39.4°F (4.1°C) and an average high of 62.4°F (16.9°C). In May, the average high-temperature increases, from a cool 52.7°F (11.5°C) in April, to an enjoyable 62.4°F (16.9°C). Weather in May »

June, the first month of the summer, in Alturas, is a pleasant month, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 46°F (7.8°C). In June, the average high-temperature increases, from a comfortable 62.4°F (16.9°C) in May, to a pleasant 73.2°F (22.9°C). Weather in June »

July is a warm summer month in Alturas, California, with average temperature fluctuating between 84°F (28.9°C) and 52.5°F (11.4°C). With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 52.5°F (11.4°C), July is the warmest month. Weather in July »

The last month of the summer, August, is another warm month in Alturas, California, with temperature in the range of an average low of 52.3°F (11.3°C) and an average high of 82.6°F (28.1°C). In August, the average high-temperature is practically the same as in July - a still moderately hot 82.6°F (28.1°C). Weather in August »

The first month of the autumn, September, is still a warm month in Alturas, California, with average temperature varying between 47.3°F (8.5°C) and 73.9°F (23.3°C). In Alturas, the average high-temperature marginally drops, from a moderately hot 82.6°F (28.1°C) in August, to a still warm 73.9°F (23.3°C). Weather in September »

October, like September, is another mild autumn month in Alturas, California, with temperature in the range of an average low of 37.8°F (3.2°C) and an average high of 59.4°F (15.2°C). In Alturas, the average high-temperature declines considerably, from a moderately hot 73.9°F (23.3°C) in September, to a moderate 59.4°F (15.2°C). Weather in October »

The last month of the autumn, November, is also a frosty month in Alturas, California, with average temperature fluctuating between 29.1°F (-1.6°C) and 46.8°F (8.2°C). In November, the average high-temperature decreases, from a moderate 59.4°F (15.2°C) in October, to a chilly 46.8°F (8.2°C). Weather in November »

December, the first month of the winter, in Alturas, is still a cold month, with average temperature fluctuating between 23°F (-5°C) and 36.1°F (2.3°C). The coldest month is December, with an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 23°F (-5°C). Weather in December »

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What are the most humid months in Alturas?

January and December, with an average relative humidity of 79%, are most humid months.

How much does it rain in Alturas?

Throughout the year, in Alturas, there are 91.1 rainfall days, and 12.64" (321mm) of precipitation is accumulated.

When does it snow in Alturas?

January through June, September through December are months with snowfall in Alturas.

How many days does it snow in Alturas?

Throughout the year, in Alturas, California, there are 60.7 snowfall days, and 39.53" (1004mm) of snow is accumulated.

What is the month with the least sunshine in Alturas?

January and December, with an average of 5.4h of sunshine, are months with the least sunshine.

When is the lowest UV index in Alturas?

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

What is the wettest month in Alturas?

The month with the most rainfall in Alturas is March when the rain falls for 12.6 days and typically aggregates up to 1.85" (47mm) of precipitation.

When are the longest days in Alturas?

With an average of 15.1h of daylight, June has the longest days of the year in Alturas, California.

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

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

What is the warmest month in Alturas?

With an average high-temperature of 84°F (28.9°C) and an average low-temperature of 52.5°F (11.4°C), July is the warmest month in Alturas.

What is the driest month in Alturas?

July is the month with the least rainfall in Alturas. Rain falls for 2.5 days and accumulates 0.16" (4mm) of precipitation.

When it does not snow in Alturas?

July and August are months without snowfall.

What month has the most sunshine in Alturas?

With an average of 12h of sunshine, July has the most sunshine of the year.

What is the least humid month in Alturas?

With an average relative humidity of 34%, August is the least humid month.

What is the coldest month in Alturas?

With an average high-temperature of 36.1°F (2.3°C) and an average low-temperature of 23°F (-5°C), December is the coldest month in Alturas.

What is the snowiest month in Alturas?

December is the month with the most snowfall in Alturas, California. Snow falls for 12.8 days and accumulates 9.02" (229mm) of snow.

What is the month with the shortest days in Alturas?

With an average of 9.2h of daylight, December has the shortest days of the year in Alturas, California.

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Long-term

Climate J F M A M J J A S O N D Year

Average high temperature in January:
38.7°F
Average high temperature in February:
39.9°F
Average high temperature in March:
45.1°F
Average high temperature in April:
52.7°F
Average high temperature in May:
62.4°F
Average high temperature in June:
73.2°F

Average high temperature in July:
84°F
Average high temperature in August:
82.6°F
Average high temperature in September:
73.9°F
Average high temperature in October:
59.4°F
Average high temperature in November:
46.8°F
Average high temperature in December:
36.1°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is December (36.1°F).

Average low temperature in January:
24.4°F
Average low temperature in February:
26.1°F
Average low temperature in March:
29.5°F
Average low temperature in April:
33.4°F
Average low temperature in May:
39.4°F
Average low temperature in June:
46°F

Average low temperature in July:
52.5°F
Average low temperature in August:
52.3°F
Average low temperature in September:
47.3°F
Average low temperature in October:
37.8°F
Average low temperature in November:
29.1°F
Average low temperature in December:
23°F

The month with the highest average low temperature is July (52.5°F).
The coldest month (with the lowest average low temperature) is December (23°F).

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Months with the highest relative humidity are January and December (79%).
The month with the lowest relative humidity is August (34%).

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The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the lowest rainfall) is July (0.16").

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Average rainfall days in January:
9.1 days
Average rainfall days in February:
7.7 days
Average rainfall days in March:
12.6 days
Average rainfall days in April:
12.1 days
Average rainfall days in May:
11.5 days
Average rainfall days in June:
6.2 days

Average rainfall days in July:
2.5 days
Average rainfall days in August:
2.9 days
Average rainfall days in September:
4.5 days
Average rainfall days in October:
6.6 days
Average rainfall days in November:
7 days
Average rainfall days in December:
8.4 days

The month with the highest number of rainy days is March (12.6 days).
The month with the lowest number of rainy days is July (2.5 days).

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The month with the highest snowfall is December (9.02").
Months with the lowest snowfall are July and August (0").

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Average snowfall days in January:
10.2 days
Average snowfall days in February:
11.1 days
Average snowfall days in March:
10.3 days
Average snowfall days in April:
6.5 days
Average snowfall days in May:
1.3 days
Average snowfall days in June:
0.3 days

Average snowfall days in July:
0 days
Average snowfall days in August:
0 days
Average snowfall days in September:
0.3 days
Average snowfall days in October:
1.5 days
Average snowfall days in November:
6.4 days
Average snowfall days in December:
12.8 days

The month with the highest number of snowfall days is December (12.8 days).
Months with the lowest number of snowfall days are July and August (0 days).

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Average daylight / Average sunshine - Alturas, CA

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.2h).

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January and December (Average sunshine: 5.4).

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Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Monthly weather forecast and climate
Alturas, CA

Contents

Weather in January

Weather in February

Weather in March

Weather in April

Weather in May

Weather in June

Weather in July

Weather in August

Weather in September

Weather in October

Weather in November

Weather in December

FAQ