Climate and monthly weather forecast
Sun Valley, CA

Share

Weather in January

January, the same as December, is another refreshing winter month in Sun Valley, California, with an average temperature fluctuating between 47.5°F (8.6°C) and 63.5°F (17.5°C). The high-temperature average in January for Sun Valley is a still refreshing 63.5°F (17.5°C), staying closely aligned with December's conditions. Weather in January »

Weather in February

February, the last month of the winter in Sun Valley, is another refreshing month, with an average temperature fluctuating between 63.3°F (17.4°C) and 46.8°F (8.2°C). With the arrival of February, Sun Valley's average high-temperature registers at a still enjoyable 63.3°F (17.4°C), indicating a subtle variation from the previous month. Weather in February »

Weather in March

The first month of the spring, March, is also an enjoyable month in Sun Valley, California, with an average temperature varying between 48.6°F (9.2°C) and 66.6°F (19.2°C). In March, Sun Valley experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 63.3°F (17.4°C) in February to a still comfortable 66.6°F (19.2°C). Weather in March »

Weather in April

April in Sun Valley, California, is a pleasant spring month, with temperature in the range of an average high of 70.7°F (21.5°C) and an average low of 50.7°F (10.4°C). Sun Valley's April reports an average high-temperature of a pleasant 70.7°F (21.5°C), exhibiting a minor difference from March. Weather in April »

Weather in May

May, the last month of the spring in Sun Valley, is a warm month, with temperature in the range of an average high of 73.8°F (23.2°C) and an average low of 54.3°F (12.4°C). The advent of May observes an average high-temperature of a moderately hot 73.8°F (23.2°C), nearly identical to April's 70.7°F (21.5°C). Weather in May »

Weather in June

June, the first month of the summer in Sun Valley, is still a warm month, with an average temperature varying between 58.3°F (14.6°C) and 79.5°F (26.4°C). June sees a marginal temperature increase, moving from a warm 73.8°F (23.2°C) in May to a still moderately hot 79.5°F (26.4°C). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Sun Valley, California, with temperature in the range of an average low of 63.5°F (17.5°C) and an average high of 84.7°F (29.3°C). July's presence marks an average high-temperature of a still moderately hot 84.7°F (29.3°C), subtly varied from June's 79.5°F (26.4°C). Weather in July »

Weather in August

August, the last month of the summer in Sun Valley, is a tropical month, with an average temperature fluctuating between 64.8°F (18.2°C) and 86.5°F (30.3°C). August proves to be the warmest month, recording an average peak temperature of 86.5°F (30.3°C) and a minimum temperature of 64.8°F (18.2°C). The heat index for August is evaluated at a tropical 89.6°F (32°C). Weather in August »

Weather in September

September, the first month of the autumn in Sun Valley, is still a warm month, with an average temperature ranging between max 83.3°F (28.5°C) and min 63.1°F (17.3°C). September's commencement is accompanied by an average high-temperature of a warm 83.3°F (28.5°C), diverging marginally from August's 86.5°F (30.3°C). Weather in September »

Weather in October

October, the same as September, is another warm autumn month in Sun Valley, California, with temperature in the range of an average low of 58.1°F (14.5°C) and an average high of 77°F (25°C). A subtle change in temperatures is noted as September gives way to October, with average highs reducing from 83.3°F (28.5°C) to a still warm 77°F (25°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an agreeable month in Sun Valley, California, with temperature in the range of an average low of 52.7°F (11.5°C) and an average high of 69.4°F (20.8°C). Sun Valley's weather subtly changes with the onset of November, barely falling from a warm 77°F (25°C) in October to a pleasant 69.4°F (20.8°C). Weather in November »

Weather in December

December, the first month of the winter in Sun Valley, is still a refreshing month, with an average temperature varying between 46.2°F (7.9°C) and 61.7°F (16.5°C). Sun Valley's coldest month, December, generally records average temperatures ranging from a high of 61.7°F (16.5°C) to a low of 46.2°F (7.9°C). Weather in December »
[Resources]

Frequently asked questions

How many days does it rain in Sun Valley?

In Sun Valley, during the entire year, the rain falls for 40.1 days and collects up to 5.87" (149mm) of precipitation.

What are the months with the least sunshine in Sun Valley?

The months with the least sunshine are January, February and December, with an average of 6.9h of sunshine.

When is Daylight Saving Time (DST) in Sun Valley?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, 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.

What is the most humid month in Sun Valley?

The most humid month in Sun Valley, California, is June, with an average relative humidity of 59%.

What is the driest month in Sun Valley?

The month with the least rainfall is June, when the rain falls for 1 days and typically collects 0.04" (1mm) of precipitation.

When are the longest days in Sun Valley?

June has the longest days of the year in Sun Valley, with an average of 14h and 24min of daylight.

What are the months with the most sunshine in Sun Valley?

The months with the most sunshine are June through August, with an average of 12.1h of sunshine.

What is the month with the highest UV index in Sun Valley?

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

What is the warmest month in Sun Valley?

August registers as the month with the average highest temperatures, reaching 86.5°F (30.3°C) at its peak and 64.8°F (18.2°C) at the lowest.

What is the least humid month in Sun Valley?

November is the least humid month in Sun Valley, with an average relative humidity of 48%.

What are the coldest months in Sun Valley?

Sun Valley's coldest month, December, registers temperatures that range from a high of 61.7°F (16.5°C) to a low of 46.2°F (7.9°C).

What is the wettest month in Sun Valley?

December is the month with the most rainfall in Sun Valley, California. Rain falls for 4.6 days and accumulates 1.18" (30mm) of precipitation.

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

December has the shortest days of the year, with an average of 9h and 54min of daylight.

When is the lowest UV index in Sun Valley?

December is the month with the lowest UV index in Sun Valley, California, with an average maximum UV index of 3.

Average temperature
Sun Valley, CA

Average temperature - Sun Valley, CA

The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is December (61.7°F).

The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.2°F).

[Resources]

Average pressure
Sun Valley, CA

Average pressure - Sun Valley, CA

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

[Resources]

Average wind speed
Sun Valley, CA

Average wind speed - Sun Valley, CA

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is September (4.4mph).

[Resources]

Average rainfall
Sun Valley, CA

Average rainfall - Sun Valley, CA

The wettest month (with the highest rainfall) is December (1.18").
The driest month (with the least rainfall) is June (0.04").

[Resources]

Average rainfall days
Sun Valley, CA

Average rainfall days - Sun Valley, CA

The month with the highest number of rainy days is March (5.2 days).
The month with the least rainy days is June (1 days).

[Resources]

Average daylight / Average sunshine
Sun Valley, CA

Average daylight / Average sunshine - Sun Valley, CA

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 54min).

[Resources]

Average sunshine days
Sun Valley, CA

Average sunshine days - Sun Valley, CA

The month with the most sunshine days is October (27.1 days).
The month with the least sunshine days is February (22.9 days).

[Resources]

Average visibility
Sun Valley, CA

Average visibility - Sun Valley, 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).

[Resources]

Sun Valley, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location