Monthly weather forecast and climate
Altaville, CA

Weather in January

January is a moderate winter month in Altaville, California, with average temperature fluctuating between 55.9°F (13.3°C) and 39.2°F (4°C). In January, the average high-temperature is practically the same as in December - a moderate 55.9°F (13.3°C). Weather in January »

Weather in February

February, the last month of the winter, in Altaville, is another mild month, with average temperature varying between 39°F (3.9°C) and 56.3°F (13.5°C). In February, the average high-temperature is essentially the same as in January - a still moderate 56.3°F (13.5°C). Weather in February »

Weather in March

March, the first month of the spring, in Altaville, is also a moderate month, with average temperature fluctuating between 59.9°F (15.5°C) and 40.8°F (4.9°C). In March, the average high-temperature is practically the same as in February - a still moderate 59.9°F (15.5°C). Weather in March »

Weather in April

April in Altaville, California, is a comfortable spring month, with average temperature fluctuating between 44.1°F (6.7°C) and 65.8°F (18.8°C). In Altaville, the average high-temperature in April slightly increases, from a mild 59.9°F (15.5°C) in March, to a comfortable 65.8°F (18.8°C). Weather in April »

Weather in May

May, the last month of the spring, in Altaville, is a moderately hot month, with average temperature fluctuating between 73.4°F (23°C) and 49.6°F (9.8°C). In May, the average high-temperature slightly increases, from a comfortable 65.8°F (18.8°C) in April, to a warm 73.4°F (23°C). Weather in May »

Weather in June

June, the first month of the summer, in Altaville, is still a warm month, with average temperature varying between 56.8°F (13.8°C) and 84.2°F (29°C). In June, the average high-temperature increases, from a warm 73.4°F (23°C) in May, to a still moderately hot 84.2°F (29°C). Weather in June »

Weather in July

July in Altaville, California, is a tropical summer month, with temperature in the range of an average high of 91.9°F (33.3°C) and an average low of 62.6°F (17°C). The warmest month is July, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 62.6°F (17°C). Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Altaville, California, with average temperature fluctuating between 90.9°F (32.7°C) and 62.2°F (16.8°C). In August, the average high-temperature is essentially the same as in July - a still hot 90.9°F (32.7°C). Weather in August »

Weather in September

September, the first month of the autumn, in Altaville, is also a moderately hot month, with average temperature ranging between max 85.3°F (29.6°C) and min 58.8°F (14.9°C). In September, the average high-temperature marginally drops, from a hot 90.9°F (32.7°C) in August, to a warm 85.3°F (29.6°C). Weather in September »

Weather in October

October, like September, in Altaville, California, is a moderately hot autumn month, with average temperature ranging between min 51.8°F (11°C) and max 73.8°F (23.2°C). In October, the average high-temperature decreases, from a moderately hot 85.3°F (29.6°C) in September, to a still warm 73.8°F (23.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an enjoyable month in Altaville, California, with average temperature varying between 62.1°F (16.7°C) and 43.7°F (6.5°C). In Altaville, California, the average high-temperature drops, from a moderately hot 73.8°F (23.2°C) in October, to an enjoyable 62.1°F (16.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Altaville, California, with average temperature varying between 37.8°F (3.2°C) and 53.2°F (11.8°C). With an average high-temperature of 53.2°F (11.8°C) and an average low-temperature of 37.8°F (3.2°C), December is the coldest month. Weather in December »
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FAQ

How many days does it rain in Altaville?

Throughout the year, in Altaville, California, there are 74.4 rainfall days, and 22.87" (581mm) of precipitation is accumulated.

When does it snow in Altaville?

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

How much does it snow in Altaville?

Throughout the year, in Altaville, California, there are 2.2 snowfall days, and 4.09" (104mm) of snow is accumulated.

What is the snowiest month in Altaville?

February is the month with the most snowfall in Altaville. Snow falls for 1.2 days and accumulates 2.32" (59mm) of snow.

What is the most humid month in Altaville?

The most humid month in Altaville, California, is March, with an average relative humidity of 71%.

What is the rainiest month in Altaville?

The month with the most rainfall in Altaville, California, is March when the rain falls for 13 days and typically aggregates up to 4.76" (121mm) of precipitation.

When it does not snow in Altaville?

In Altaville, California, snow does not fall in April through October.

When are the longest days in Altaville?

June has the longest days of the year in Altaville, California, with an average of 14.8h of daylight.

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

Months with the highest UV index are June and July, with an average maximum UV index of 7.

What is the warmest month in Altaville?

The warmest month in Altaville, California, is July, with an average high-temperature of 91.9°F (33.3°C) and an average low-temperature of 62.6°F (17°C).

What is the least humid month in Altaville?

Months with the lowest humidity are July and August, with an average relative humidity of 34%.

What is the driest month in Altaville?

July and August are months with the least rain when the rain falls for 1.4 days and typically aggregates up to 0.04" (1mm) of rain.

What month has the most sunshine in Altaville?

The month with the most sunshine in Altaville is July, with an average of 12.2h of sunshine.

When is the lowest UV index in Altaville?

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

What is the coldest month in Altaville?

December is the coldest month, with an average high-temperature of 53.2°F (11.8°C) and an average low-temperature of 37.8°F (3.2°C).

What is the month with the shortest days in Altaville?

The month with the shortest days is December, with an average of 9.6h of daylight.

What is the month with the least sunshine in Altaville?

The month with the least sunshine in Altaville, California, is December, with an average of 5.8h of sunshine.

Average temperature
Altaville, CA

Average temperature - Altaville, CA

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is December (53.2°F).

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is December (37.8°F).

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Average pressure
Altaville, CA

Average pressure - Altaville, CA

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.91").

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Average wind speed
Altaville, CA

Average wind speed - Altaville, CA

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

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Average humidity
Altaville, CA

Average humidity - Altaville, CA

The month with the highest relative humidity is March (71%).
Months with the lowest relative humidity are July and August (34%).

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Average rainfall
Altaville, CA

Average rainfall - Altaville, CA

The wettest month (with the highest rainfall) is March (4.76").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days
Altaville, CA

Average rainfall days - Altaville, CA

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (1.2 days).

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Average snowfall
Altaville, CA

Average snowfall - Altaville, CA

The month with the highest snowfall is February (2.32").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Altaville, CA

Average snowfall days - Altaville, CA

The month with the highest number of snowfall days is February (1.2 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight / Average sunshine
Altaville, CA

Average daylight / Average sunshine - Altaville, CA

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.6h).

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 5.8h).

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Average sunshine days
Altaville, CA

Average sunshine days - Altaville, CA

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16.8 days).

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Average visibility
Altaville, CA

Average visibility - Altaville, CA

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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