January 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).

Temperature

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. Hat Creek witnesses an average low-temperature of 29.7°F (-1.3°C) throughout the month of January.

Humidity

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

Rainfall

In Hat Creek, in January, during 11.2 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. In Hat Creek, during the entire year, the rain falls for 105 days and collects up to 24.69" (627mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In January, it is snowing for 6.8 days. Throughout January, 10.35" (263mm) of snow is accumulated. In Hat Creek, California, during the entire year, snow falls for 36.7 days and aggregates up to 43.62" (1108mm) of snow.

Daylight

The average length of the day in January is 9h and 38min.
On the first day of January, sunrise is at 7:31 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:21 pm PST.

Sunshine

In Hat Creek, the average sunshine in January is 5.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: In January, an average UV index of 2 transforms into the following instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Updated: Jul 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in January?

The high-temperature, in January, in Hat Creek, is 45.1°F (7.3°C), while the low-temperature averages to 29.7°F (-1.3°C).

What are the most humid months?

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

What is the average humidity in January?

The average relative humidity in January is 79%.

How much does it rain in January?

In Hat Creek, during January, the rain falls for 11.2 days and regularly aggregates up to 3.74" (95mm) of precipitation.

How many days does it snow in January?

In Hat Creek, during January, snow falls for 6.8 days and regularly aggregates up to 10.35" (263mm) of snow.

What is the average length of the day in January?

In Hat Creek, the average day length in January is 9h and 38min.

What time are sunrise and sunset in January?

On the first day of January, sunrise is at 7:31 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:21 pm PST.

How many hours of sunshine does Hat Creek have in January?

In January, the average sunshine duration is 5.8h.

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 UV index intensity in January?

In Hat Creek, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Hat Creek, CA

Average temperature in January - Hat Creek, CA
  • Average high temperature in January: 45.1°F

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).

  • Average low temperature in January: 29.7°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 in January
Hat Creek, CA

Average pressure in January - Hat Creek, CA
  • Average pressure in January: 30.18"Hg

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 in January
Hat Creek, CA

Average wind speed in January - Hat Creek, CA
  • Average wind speed in January: 5.2mph

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 in January
Hat Creek, CA

Average humidity in January - Hat Creek, CA
  • Average humidity in January: 79%

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 in January
Hat Creek, CA

Average rainfall in January - Hat Creek, CA
  • Average rainfall in January: 3.74"

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 in January
Hat Creek, CA

Average rainfall days in January - Hat Creek, CA
  • Average rainfall days in January: 11.2 days

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 in January
Hat Creek, CA

Average snowfall in January - Hat Creek, CA
  • Average snowfall in January: 10.35"

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 in January
Hat Creek, CA

Average snowfall days in January - Hat Creek, CA
  • Average snowfall days in January: 6.8 days

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 in January /
Average sunshine in January
Hat Creek, CA

Average daylight in January / Average sunshine in January - Hat Creek, CA
  • Average daylight in January: 9h and 4min

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).

  • Average sunshine in January: 5h and 5min

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 in January
Hat Creek, CA

Average sunshine days in January - Hat Creek, CA
  • Average sunshine days in January: 15.8 days

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 in January
Hat Creek, CA

Average UV index in January - Hat Creek, CA
  • Average UV index in January: 2

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 cloud cover in January
Hat Creek, CA

Average cloud cover in January - Hat Creek, CA
  • Average cloud cover in January: 37

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 6).

Average visibility in January
Hat Creek, CA

Average visibility in January - Hat Creek, CA
  • Average visibility in January: 5mi

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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