January weather forecast and climate
Forest Falls, CA

Weather in January

January, like December, in Forest Falls, California, is a cool winter month, with temperature in the range of an average low of 39.2°F (4°C) and an average high of 55°F (12.8°C).

Temperature

In Forest Falls, the average high-temperature in January is essentially the same as in December - a still cool 55°F (12.8°C). The average low-temperature, in Forest Falls, is 39.2°F (4°C).

Humidity

In Forest Falls, the average relative humidity in January is 48%.

Rainfall

In January, in Forest Falls, the rain falls for 3.3 days. Throughout January, 0.31" (8mm) of precipitation is accumulated. Throughout the year, there are 34.1 rainfall days, and 4.49" (114mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall in Forest Falls. In Forest Falls, snow falls for 1.6 days, with typically accumulated 1.1" (28mm) of snow. Throughout the year, in Forest Falls, California, there are 11.9 snowfall days, and 15.83" (402mm) of snow is accumulated.

Daylight

In January, the average length of the day in Forest Falls is 10.2h.

Sunshine

In January, the average sunshine in Forest Falls is 7.1h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 in January interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in January in Forest Falls?

In January, the average high-temperature is 55°F (12.8°C), and the average low-temperature is 39.2°F (4°C).

What is the average humidity in January in Forest Falls?

The average relative humidity in January in Forest Falls, California, is 48%.

How much does it rain in Forest Falls in January?

In Forest Falls, in January, during 3.3 rainfall days, 0.31" (8mm) of precipitation is typically accumulated.

How much does it snow in Forest Falls in January?

In Forest Falls, California, during January, snow falls for 1.6 days and regularly aggregates up to 1.1" (28mm) of snow.

How many hours of daylight does Forest Falls have in January?

In January, the average length of the day in Forest Falls, California, is 10.2h.

How many hours of sunshine does Forest Falls have in January?

In January, the average sunshine in Forest Falls is 7.1h.

When is the lowest UV index in Forest Falls?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index reading in January in Forest Falls?

The average daily maximum UV index in January in Forest Falls, California, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in January
Forest Falls, CA

Average temperature in January - Forest Falls, CA
  • Average high temperature in January: 55°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (52.7°F).

  • Average low temperature in January: 39.2°F

The month with the highest average low temperature is August (67.1°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).

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Average pressure in January
Forest Falls, CA

Average pressure in January - Forest Falls, CA
  • Average pressure in January: 30.1"

The month with the highest atmospheric pressure is January (30.1").
The month with the lowest atmospheric pressure is June (29.82").

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Average wind speed in January
Forest Falls, CA

Average wind speed in January - Forest Falls, CA
  • Average wind speed in January: 6mph

The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is September (5.5mph).

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Average humidity in January
Forest Falls, CA

Average humidity in January - Forest Falls, CA
  • Average humidity in January: 48%

The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (30%).

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Average rainfall in January
Forest Falls, CA

Average rainfall in January - Forest Falls, CA
  • Average rainfall in January: 0.31"

The wettest months (with the highest rainfall) are February and December (0.63").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in January
Forest Falls, CA

Average rainfall days in January - Forest Falls, CA
  • Average rainfall days in January: 3.3 days

The month with the highest number of rainy days is July (4.1 days).
The month with the least rainy days is June (1.2 days).

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Average snowfall in January
Forest Falls, CA

Average snowfall in January - Forest Falls, CA
  • Average snowfall in January: 1.1"

The month with the highest snowfall is April (3.82").
Months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in January
Forest Falls, CA

Average snowfall days in January - Forest Falls, CA
  • Average snowfall days in January: 1.6 days

The month with the highest number of snowfall days is February (3.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in January /
Average sunshine in January
Forest Falls, CA

Average daylight in January / Average sunshine in January - Forest Falls, CA
  • Average daylight in January: 10.2h

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

  • Average sunshine in January: 7.1h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 7h).

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Average sunshine days in January
Forest Falls, CA

Average sunshine days in January - Forest Falls, CA
  • Average sunshine days in January: 26.1 days

The month with the most sunshine days is October (28.6 days).
The month with the least sunshine days is February (23.7 days).

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Average UV index in January
Forest Falls, CA

Average UV index in January - Forest Falls, CA
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in January
Forest Falls, CA

Average cloud cover in January - Forest Falls, CA
  • Average cloud cover in January: 18

The month with the most cloud cover is December (Cloud cover 21).
Months with the least cloud cover are June, August and September (Cloud cover 6).

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Average visibility in January
Forest Falls, CA

Average visibility in January - Forest Falls, CA
  • Average visibility in January: 6mi

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

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