January weather forecast
Hayfork, CA

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Weather in January

January, like December, is a frosty winter month in Hayfork, California, with an average temperature varying between 48°F (8.9°C) and 31.5°F (-0.3°C).

Temperature

With the arrival of January, Hayfork's average high-temperature registers at a still frosty 48°F (8.9°C), indicating a subtle variation from the previous month. In Hayfork, January nights cool down to an average of 31.5°F (-0.3°C).

Humidity

In Hayfork, the average relative humidity in January is 79%.

Rainfall

In January, the rain falls for 10.8 days. Throughout January, 3.74" (95mm) of precipitation is accumulated. Throughout the year, there are 99.6 rainfall days, and 25.04" (636mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In Hayfork, in January, during 4 snowfall days, 5.04" (128mm) of snow is typically accumulated. In Hayfork, during the entire year, snow falls for 21.4 days and aggregates up to 28.74" (730mm) of snow.

Daylight

In January, the average length of the day is 9h and 40min.
On the first day of the month, sunrise is at 7:36 am and sunset at 4:56 pm. On the last day of January, in Hayfork, sunrise is at 7:23 am and sunset at 5:28 pm PST.

Sunshine

In January, the average sunshine is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.
Note: The daily maximum UV index of 2 in January interprets into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Hayfork in January?

In January, in Hayfork, the average high-temperature is 48°F (8.9°C), and the average low-temperature is 31.5°F (-0.3°C).

What is the average humidity in January?

In January, the average relative humidity is 79%.

How many days does it rain in January?

In Hayfork, in January, it is raining for 10.8 days, with typically 3.74" (95mm) of accumulated precipitation.

How much does it snow in Hayfork in January?

In Hayfork, in January, snow falls for 4 days, with typically accumulated 5.04" (128mm) of snow.

How many hours of daylight does Hayfork have in January?

In January, the average day length is 9h and 40min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:36 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:28 pm PST.

How long on average sun shines in January?

The average sunshine duration in January is 4.9h.

When is 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 reading in January?

In January, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Hayfork, CA

Average temperature in January - Hayfork, CA
  • Average high temperature in January: 48°F

The warmest months (with the highest average high temperature) are July and August (86.5°F).
The month with the lowest average high temperature is December (46°F).

  • Average low temperature in January: 31.5°F

The month with the highest average low temperature is July (51.1°F).
The coldest month (with the lowest average low temperature) is December (30.2°F).

Average pressure in January
Hayfork, CA

Average pressure in January - Hayfork, CA
  • Average pressure in January: 30.15"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).

Average wind speed in January
Hayfork, CA

Average wind speed in January - Hayfork, CA
  • Average wind speed in January: 4.2mph

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).

Average humidity in January
Hayfork, CA

Average humidity in January - Hayfork, CA
  • Average humidity in January: 79%

The month with the highest relative humidity is March (81%).
The month with the lowest relative humidity is August (52%).

Average rainfall in January
Hayfork, CA

Average rainfall in January - Hayfork, CA
  • Average rainfall in January: 3.74"

The wettest month (with the highest rainfall) is December (4.17").
The driest month (with the least rainfall) is July (0.16").

Average rainfall days in January
Hayfork, CA

Average rainfall days in January - Hayfork, CA
  • Average rainfall days in January: 10.8 days

The month with the highest number of rainy days is March (15.3 days).
The month with the least rainy days is August (2.3 days).

Average snowfall in January
Hayfork, CA

Average snowfall in January - Hayfork, CA
  • Average snowfall in January: 5.04"

The month with the highest snowfall is February (7.52").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in January
Hayfork, CA

Average snowfall days in January - Hayfork, CA
  • Average snowfall days in January: 4 days

The month with the highest number of snowfall days is February (5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
Hayfork, CA

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

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 18min).

  • Average sunshine in January: 4h and 5min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).

Average sunshine days in January
Hayfork, CA

Average sunshine days in January - Hayfork, CA
  • Average sunshine days in January: 18.2 days

The month with the most sunshine days is July (26 days).
The month with the least sunshine days is March (13.6 days).

Average UV index in January
Hayfork, CA

Average UV index in January - Hayfork, 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
Hayfork, CA

Average cloud cover in January - Hayfork, CA
  • Average cloud cover in January: 49

The month with the most cloud cover is March (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 7).

Average visibility in January
Hayfork, CA

Average visibility in January - Hayfork, CA
  • Average visibility in January: 5mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are March and December (4mi).

Hayfork, California, USA

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