Climate and monthly weather forecast
Whitethorn, CA

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Weather in January

January, like December, in Whitethorn, California, is a cool winter month, with an average temperature ranging between min 44.8°F (7.1°C) and max 54.3°F (12.4°C). With January's advent, Whitethorn sees an average high-temperature of a still cool 54.3°F (12.4°C), subtly shifted from December's 53.4°F (11.9°C). Weather in January »

Weather in February

The last month of the winter, February, is also a fresh month in Whitethorn, California, with an average temperature ranging between min 43.5°F (6.4°C) and max 54.1°F (12.3°C). As Whitethorn transitions into February, the average high-temperature stands at a still cool 54.1°F (12.3°C), offering little variation from the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Whitethorn, is still a cool month, with an average temperature varying between 54.9°F (12.7°C) and 44.2°F (6.8°C). The start of March sees the average high-temperature at a still fresh 54.9°F (12.7°C), showing little difference from February's 54.1°F (12.3°C). Weather in March »

Weather in April

April in Whitethorn, California, is a refreshing spring month, with an average temperature ranging between max 57.2°F (14°C) and min 45.7°F (7.6°C). April's arrival registers an average high-temperature of a refreshing 57.2°F (14°C), closely aligning with the temperature of the previous month. Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Whitethorn, California, with an average temperature fluctuating between 48.4°F (9.1°C) and 61°F (16.1°C). May commences with an average high-temperature of an enjoyable 61°F (16.1°C), showing little deviation from April's 57.2°F (14°C). Weather in May »

Weather in June

The first month of the summer, June, is still a comfortable month in Whitethorn, California, with temperature in the range of an average high of 66.6°F (19.2°C) and an average low of 51.8°F (11°C). The arrival of June introduces a minor uplift in high-temperatures, adjusting from a comfortable 61°F (16.1°C) in May to a still enjoyable 66.6°F (19.2°C). Weather in June »

Weather in July

July in Whitethorn, California, is a pleasant summer month, with an average temperature ranging between min 54.3°F (12.4°C) and max 69.4°F (20.8°C). The arrival of July sees a recorded average high-temperature of an agreeable 69.4°F (20.8°C), showing little divergence from the previous month's conditions. Weather in July »

Weather in August

August, the last month of the summer in Whitethorn, is also an agreeable month, with an average temperature ranging between min 54.3°F (12.4°C) and max 69.4°F (20.8°C). Whitethorn, California, notes an average high temperature of a still pleasant 69.4°F (20.8°C) with the beginning of August, showing little difference from July. Weather in August »

Weather in September

September, the first month of the autumn in Whitethorn, is also an agreeable month, with temperature in the range of an average high of 69.8°F (21°C) and an average low of 54.3°F (12.4°C). In Whitethorn, temperatures reach their average annual highs in September, measuring 69.8°F (21°C) and a minimum average of 54.3°F (12.4°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Whitethorn, California, with temperature in the range of an average high of 63.9°F (17.7°C) and an average low of 51.3°F (10.7°C). Whitethorn's October weather features a light decline in high-temperatures, reducing from a pleasant 69.8°F (21°C) in September to a refreshing 63.9°F (17.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Whitethorn, is also a moderate month, with an average temperature ranging between max 57.6°F (14.2°C) and min 47.1°F (8.4°C). A modest decline in the average high-temperature is seen during November, decreasing from a comfortable 63.9°F (17.7°C) in October to a still refreshing 57.6°F (14.2°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Whitethorn, California, with an average temperature varying between 53.4°F (11.9°C) and 43.9°F (6.6°C). December is Whitethorn's coldest month, registering average high temperatures of 53.4°F (11.9°C) and lows of 43.9°F (6.6°C). Weather in December »
Updated: Feb 9, 2024 | Published by: Weather U.S. | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How much does it rain in Whitethorn?

Throughout the year, in Whitethorn, California, there are 102.7 rainfall days, and 28.78" (731mm) of precipitation is accumulated.

When it does not snow in Whitethorn?

January, March through December are months without snowfall in Whitethorn.

How many days does it snow in Whitethorn?

Throughout the year, there are 0.1 snowfall days.

When is the lowest UV index in Whitethorn?

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Whitethorn, California.

When does it snow in Whitethorn?

The only month with snowfall in Whitethorn, California, is February.

What is the snowiest month in Whitethorn?

February has the most snowfall days of the year in Whitethorn. Snow falls for 0.1 days.

What is the most humid month in Whitethorn?

With an average relative humidity of 81%, March is the most humid month in Whitethorn.

When is Daylight Saving Time (DST) in Whitethorn?

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.

When are the longest days in Whitethorn?

With an average of 15h and 0min of daylight, June has the longest days of the year in Whitethorn.

What are the months with the highest UV index in Whitethorn?

The months with the highest UV index in Whitethorn, California, are June through August, with an average maximum UV index of 5.

What is the driest month in Whitethorn?

The month with the least rainfall is July, when the rain falls for 2.4 days and typically collects 0.08" (2mm) of precipitation.

What are the months with the most sunshine in Whitethorn?

July and August, with an average of 11.7h of sunshine, are months with the most sunshine.

What time of the year is the hottest in Whitethorn?

During the warmest month in Whitethorn, September, temperatures average a high of 69.8°F (21°C) and a low of 54.3°F (12.4°C).

What is the least humid month in Whitethorn?

The least humid month is September, with an average relative humidity of 72%.

What time of the year is the coldest in Whitethorn?

Whitethorn's December weather, with an average high temperature of 53.4°F (11.9°C) and an average low temperature of 43.9°F (6.6°C), tends to be the coldest of the year.

What is the wettest month in Whitethorn?

December is the month with the most rainfall. Rain falls for 14.8 days and accumulates 5.31" (135mm) of precipitation.

What is the month with the shortest days in Whitethorn?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the month with the least sunshine in Whitethorn?

With an average of 5h of sunshine, December has the least sunshine of the year in Whitethorn.

Average temperature
Whitethorn, CA

Average temperature - Whitethorn, CA

The warmest month (with the highest average high temperature) is September (69.8°F).
The month with the lowest average high temperature is December (53.4°F).

The months with the highest average low temperature are July, August and September (54.3°F).
The coldest month (with the lowest average low temperature) is February (43.5°F).

Average pressure
Whitethorn, CA

Average pressure - Whitethorn, CA

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.95"Hg).

Average wind speed
Whitethorn, CA

Average wind speed - Whitethorn, CA

The windiest month (with the highest average wind speed) is June (10.6mph).
The calmest months (with the lowest average wind speed) are January and August (7.8mph).

Average humidity
Whitethorn, CA

Average humidity - Whitethorn, CA

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is September (72%).

Average rainfall
Whitethorn, CA

Average rainfall - Whitethorn, CA

The wettest month (with the highest rainfall) is December (5.31").
The driest month (with the least rainfall) is July (0.08").

Average rainfall days
Whitethorn, CA

Average rainfall days - Whitethorn, CA

The month with the highest number of rainy days is March (16.4 days).
The month with the least rainy days is August (1.8 days).

Average snowfall days
Whitethorn, CA

Average snowfall days - Whitethorn, CA

The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight / Average sunshine
Whitethorn, CA

Average daylight / Average sunshine - Whitethorn, CA

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

The months with the most sunshine are July and August (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days
Whitethorn, CA

Average sunshine days - Whitethorn, CA

The month with the most sunshine days is July (28.4 days).
The month with the least sunshine days is March (13.1 days).

Average UV index
Whitethorn, CA

Average UV index - Whitethorn, CA

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average visibility
Whitethorn, CA

Average visibility - Whitethorn, 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).

Whitethorn, California, USA

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