Climate and monthly weather forecast
Hat Creek, CA

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Weather in January

January, like December, is a frosty winter month in Hat Creek, California, with an average temperature varying between 45.1°F (7.3°C) and 29.7°F (-1.3°C). The transition into January notes an average high-temperature of a still frosty 45.1°F (7.3°C), revealing a mild distinction from the 43.3°F (6.3°C) in December. Weather in January »

Weather in February

The last month of the winter, February, is also a frosty month in Hat Creek, California, with temperature in the range of an average low of 30°F (-1.1°C) and an average high of 46.8°F (8.2°C). In February, Hat Creek experiences a minor shift in meteorological conditions with average high-temperatures marked at a still chilly 46.8°F (8.2°C), closely mirroring the climate in January. Weather in February »

Weather in March

The first month of the spring, March, is also a frosty month in Hat Creek, California, with an average temperature varying between 49.3°F (9.6°C) and 31.6°F (-0.2°C). Hat Creek in March witnesses an average high-temperature of a still frosty 49.3°F (9.6°C), indicating a slight variation from February's 46.8°F (8.2°C). Weather in March »

Weather in April

April is a mild spring month in Hat Creek, California, with an average temperature ranging between max 57.7°F (14.3°C) and min 35.1°F (1.7°C). The arrival of April signals a slight increase in the average high-temperature, moving from a chilly 49.3°F (9.6°C) in March to a mild 57.7°F (14.3°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Hat Creek, California, with temperature in the range of an average high of 66.9°F (19.4°C) and an average low of 40.6°F (4.8°C). The onset of May marks an increase in the average high-temperature, moving from a moderate 57.7°F (14.3°C) in April to a comfortable 66.9°F (19.4°C). Weather in May »

Weather in June

June, the first month of the summer in Hat Creek, is a warm month, with an average temperature ranging between min 47.8°F (8.8°C) and max 77.4°F (25.2°C). The arrival of June brings a change in Hat Creek's weather, with average high-temperatures moving from May's refreshing 66.9°F (19.4°C) to a warm 77.4°F (25.2°C). Weather in June »

Weather in July

July in Hat Creek, California, is a tropical summer month, with an average temperature fluctuating between 53.1°F (11.7°C) and 86.7°F (30.4°C). July, recording an average high temperature of 86.7°F (30.4°C) and a low temperature of 53.1°F (11.7°C), is Hat Creek's warmest month. July's heat index is computed to be a tropical 86°F (30°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Hat Creek, California, with an average temperature ranging between min 52.3°F (11.3°C) and max 85.8°F (29.9°C). As Hat Creek welcomes August, the average high-temperature records at a warm 85.8°F (29.9°C), marking an insignificant deviation from the prior month. Weather in August »

Weather in September

September, the first month of the autumn in Hat Creek, is also a moderately hot month, with an average temperature ranging between min 48°F (8.9°C) and max 78.8°F (26°C). The start of September signals a gentle decrease in the average high-temperature, transitioning from 85.8°F (29.9°C) in August to a still moderately hot 78.8°F (26°C). Weather in September »

Weather in October

October, like September, in Hat Creek, California, is another enjoyable autumn month, with an average temperature varying between 65.5°F (18.6°C) and 40.1°F (4.5°C). Hat Creek's weather changes with the onset of October, slightly falling from a moderately hot 78.8°F (26°C) in September to a refreshing 65.5°F (18.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a fresh month in Hat Creek, California, with an average temperature varying between 32.7°F (0.4°C) and 52.7°F (11.5°C). In November, the average high-temperature goes from a refreshing 65.5°F (18.6°C) in October to a fresh 52.7°F (11.5°C). Weather in November »

Weather in December

December, the first month of the winter in Hat Creek, is still a chilly month, with temperature in the range of an average low of 27.9°F (-2.3°C) and an average high of 43.3°F (6.3°C). The coldest time of the year is December, with temperatures averaging a high of 43.3°F (6.3°C) and a low of 27.9°F (-2.3°C). Weather in December »
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the most humid months?

The months with the highest humidity are January and March, with an average relative humidity of 79%.

How many days does it rain?

Throughout the year, there are 105 rainfall days, and 24.69" (627mm) of precipitation is accumulated.

When does it snow?

January through May, October through December are months with snowfall.

How many days does it snow?

Throughout the year, there are 36.7 snowfall days, and 43.62" (1108mm) of snow is accumulated.

What are the months with the lowest UV index?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the wettest month?

The month with the most rainfall is March, when the rain falls for 14.2 days and typically aggregates up to 4.45" (113mm) of precipitation.

What is the snowiest month?

March is the month with the most snowfall. Snow falls for 8 days and accumulates 10.43" (265mm) of snow.

When is Daylight Saving Time (DST)?

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 it does not snow?

June through September are months without snowfall.

When are the longest days?

The month with the longest days is June, with an average of 15h and 6min of daylight.

What are the months with the highest UV index?

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

What part of the year is the hottest in Hat Creek?

The warmest period is July, when temperatures fluctuate between an average high of 86.7°F (30.4°C) and a low of 53.1°F (11.7°C).

What are the least humid months?

July and August, with an average relative humidity of 40%, are the least humid months.

What is the driest month?

The month with the least rainfall is July, when the rain falls for 3.2 days and typically collects 0.16" (4mm) of precipitation.

What month has the most sunshine?

July has the most sunshine of the year, with an average of 12.1h of sunshine.

What is the coldest time of year?

December proves to be the coldest month, recording an average maximum temperature of 43.3°F (6.3°C) and a minimum temperature of 27.9°F (-2.3°C).

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 18min of daylight.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.7h of sunshine.

Average temperature
Hat Creek, CA

Average temperature - Hat Creek, CA

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is December (43.3°F).

The month with the highest average low temperature is July (53.1°F).
The coldest month (with the lowest average low temperature) is December (27.9°F).

Average pressure
Hat Creek, CA

Average pressure - Hat Creek, CA

The month with the highest atmospheric pressure is January (30.18"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed
Hat Creek, CA

Average wind speed - Hat Creek, CA

The windiest month (with the highest average wind speed) is March (5.8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity
Hat Creek, CA

Average humidity - Hat Creek, CA

The months with the highest relative humidity are January and March (79%).
The months with the lowest relative humidity are July and August (40%).

Average rainfall
Hat Creek, CA

Average rainfall - Hat Creek, CA

The wettest month (with the highest rainfall) is March (4.45").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days
Hat Creek, CA

Average rainfall days - Hat Creek, CA

The month with the highest number of rainy days is April (14.5 days).
The month with the least rainy days is August (2.3 days).

Average snowfall
Hat Creek, CA

Average snowfall - Hat Creek, CA

The month with the highest snowfall is March (10.43").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Hat Creek, CA

Average snowfall days - Hat Creek, CA

The month with the highest number of snowfall days is March (8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Hat Creek, CA

Average daylight / Average sunshine - Hat Creek, CA

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days
Hat Creek, CA

Average sunshine days - Hat Creek, CA

The month with the most sunshine days is August (26 days).
The month with the least sunshine days is March (11.3 days).

Average UV index
Hat Creek, CA

Average UV index - Hat Creek, CA

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

Average visibility
Hat Creek, CA

Average visibility - Hat Creek, CA

The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).

Hat Creek, California, USA

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