Monthly weather forecast and climate
Spring Valley, CA

Weather in January

January, like December, in Spring Valley, California, is another comfortable winter month, with average temperature fluctuating between 49.6°F (9.8°C) and 66.4°F (19.1°C). In January, the average high-temperature is essentially the same as in December - a still enjoyable 66.4°F (19.1°C). Weather in January »

Weather in February

The last month of the winter, February, is also an enjoyable month in Spring Valley, California, with temperature in the range of an average low of 48.7°F (9.3°C) and an average high of 65.1°F (18.4°C). In February, the average high-temperature is relatively the same as in January - a still enjoyable 65.1°F (18.4°C). Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in Spring Valley, California, with temperature in the range of an average low of 50°F (10°C) and an average high of 67.5°F (19.7°C). In March, the average high-temperature is relatively the same as in February - a still comfortable 67.5°F (19.7°C). Weather in March »

Weather in April

April in Spring Valley, California, is an agreeable spring month, with average temperature fluctuating between 51.4°F (10.8°C) and 69.8°F (21°C). In Spring Valley, the average high-temperature in April is relatively the same as in March - a pleasant 69.8°F (21°C). Weather in April »

Weather in May

The last month of the spring, May, is another pleasant month in Spring Valley, California, with average temperature varying between 71.1°F (21.7°C) and 54.5°F (12.5°C). In May, the average high-temperature is almost the same as in April - a still pleasant 71.1°F (21.7°C). Weather in May »

Weather in June

June, the first month of the summer, in Spring Valley, is a warm month, with average temperature fluctuating between 75.9°F (24.4°C) and 58.5°F (14.7°C). In June, the average high-temperature is essentially the same as in May - a warm 75.9°F (24.4°C). Weather in June »

Weather in July

July, like June, in Spring Valley, California, is a moderately hot summer month, with temperature in the range of an average high of 80.6°F (27°C) and an average low of 64°F (17.8°C). In Spring Valley, the average high-temperature in July is essentially the same as in June - a still warm 80.6°F (27°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Spring Valley, California, with average temperature varying between 82.9°F (28.3°C) and 65.8°F (18.8°C). The warmest month is August, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.8°F (18.8°C). The average heat index in August is appraised at a hot 86°F (30°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a warm month in Spring Valley, California, with temperature in the range of an average high of 81.7°F (27.6°C) and an average low of 64.6°F (18.1°C). In September, the average high-temperature is almost the same as in August - a still moderately hot 81.7°F (27.6°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Spring Valley, California, with average temperature varying between 59.7°F (15.4°C) and 77°F (25°C). In Spring Valley, California, the average high-temperature is practically the same as in September - a still moderately hot 77°F (25°C). Weather in October »

Weather in November

November, the last month of the autumn, in Spring Valley, is another pleasant month, with average temperature varying between 71.1°F (21.7°C) and 54.5°F (12.5°C). In Spring Valley, the average high-temperature in November marginally drops, from a warm 77°F (25°C) in October, to a pleasant 71.1°F (21.7°C). Weather in November »

Weather in December

The first month of the winter, December, is also an enjoyable month in Spring Valley, California, with average temperature varying between 49.3°F (9.6°C) and 64.4°F (18°C). The coldest month is December, with an average high-temperature of 64.4°F (18°C) and an average low-temperature of 49.3°F (9.6°C). Weather in December »
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FAQ

How much does it rain in Spring Valley?

Throughout the year, in Spring Valley, California, there are 33 rainfall days, and 2.52" (64mm) of precipitation is accumulated.

When is the lowest UV index in Spring Valley?

January, February, November and December, with an average maximum UV index of 4, are months with the lowest UV index.

What is the rainiest month in Spring Valley?

The month with the most rainfall is February when the rain falls for 3.3 days and typically aggregates up to 0.55" (14mm) of precipitation.

What is the month with the least sunshine in Spring Valley?

February and December, with an average of 6.7h of sunshine, are months with the least sunshine.

What is the most humid month in Spring Valley?

The most humid month is May, with an average relative humidity of 67%.

What is the driest month in Spring Valley?

June, July and October are months with the least rain in Spring Valley, California, when the rain falls for 0.8 days and typically aggregates up to 0.04" (1mm) of rain.

When are the longest days in Spring Valley?

With an average of 14.3h of daylight, June has the longest days of the year in Spring Valley, California.

When is the highest UV index in Spring Valley?

June through September, with an average maximum UV index of 6, are months with the highest UV index in Spring Valley, California.

What month has the most sunshine in Spring Valley?

July has the most sunshine of the year in Spring Valley, California, with an average of 12.1h of sunshine.

What is the warmest month in Spring Valley?

The warmest month is August, with an average high-temperature of 82.9°F (28.3°C) and an average low-temperature of 65.8°F (18.8°C).

What is the least humid month in Spring Valley?

With an average relative humidity of 54%, November is the least humid month in Spring Valley, California.

What is the coldest month in Spring Valley?

With an average high-temperature of 64.4°F (18°C) and an average low-temperature of 49.3°F (9.6°C), December is the coldest month in Spring Valley, California.

What is the month with the shortest days in Spring Valley?

December has the shortest days of the year in Spring Valley, California, with an average of 10h of daylight.

Average temperature
Spring Valley, CA

Average temperature - Spring Valley, CA

The warmest month (with the highest average high temperature) is August (82.9°F).
The month with the lowest average high temperature is December (64.4°F).

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (48.7°F).

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Average pressure
Spring Valley, CA

Average pressure - Spring Valley, CA

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed
Spring Valley, CA

Average wind speed - Spring Valley, CA

The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is October (4.5mph).

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Average rainfall
Spring Valley, CA

Average rainfall - Spring Valley, CA

The wettest month (with the highest rainfall) is February (0.55").
The driest months (with the least rainfall) are June, July and October (0.04").

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Average rainfall days
Spring Valley, CA

Average rainfall days - Spring Valley, CA

The month with the highest number of rainy days is March (5.3 days).
The month with the least rainy days is June (0.8 days).

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Average daylight / Average sunshine
Spring Valley, CA

Average daylight / Average sunshine - Spring Valley, CA

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

The month with the most sunshine is July (Average sunshine: 12.1h).
Months with the least sunshine are February and December (Average sunshine: 6.7).

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Average sunshine days
Spring Valley, CA

Average sunshine days - Spring Valley, CA

The month with the most sunshine days is October (28.9 days).
The month with the least sunshine days is February (23.4 days).

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Average UV index
Spring Valley, CA

Average UV index - Spring Valley, CA

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average visibility
Spring Valley, CA

Average visibility - Spring Valley, 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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