January weather forecastColoma, CA

January

Weather in January

January, like December, in Coloma, California, is a cool winter month, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 52.5°F (11.4°C).

Temperature

January's onset sees an average high-temperature of a still fresh 52.5°F (11.4°C), exhibiting a slight fluctuation from the previous month. In Coloma, January is marked by an average low-temperature of 37°F (2.8°C).

Humidity

In Coloma, the average relative humidity in January is 69%.

Rainfall

In Coloma, in January, it is raining for 11 days, with typically 4.53" (115mm) of accumulated precipitation. Throughout the year, there are 86.4 rainfall days, and 29.69" (754mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In January, it is snowing for 0.7 days. Throughout January, 1.22" (31mm) of snow is accumulated. In Coloma, during the entire year, snow falls for 6.9 days and aggregates up to 14.09" (358mm) of snow.

Daylight

In Coloma, California, the average length of the day in January is 9h and 49min.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of January, in Coloma, sunrise is at 7:10 am and sunset at 5:23 pm PST.

Sunshine

The average sunshine in January in Coloma, California, is 6h.

UV index

In January, the average daily maximum UV index in Coloma is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 3 in January leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.

Frequently asked questions

January temperatures vary between a high-temperature of 52.5°F (11.4°C) and a low-temperature of 37°F (2.8°C).

In Coloma, California, the average relative humidity in January is 69%.

In January, the rain falls for 11 days. Throughout January, 4.53" (115mm) of precipitation is accumulated.

In Coloma, in January, snow falls for 0.7 days, with typically accumulated 1.22" (31mm) of snow.

In January, the average day length in Coloma is 9h and 49min.

In January, on the first day of the month, sunrise is at 7:21 am and sunset at 4:52 pm. On the last day of the month, in Coloma, California, sunrise is at 7:10 am and sunset at 5:23 pm PST.

In Coloma, California, the average sunshine duration in January is 6h.

In Coloma, California, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Coloma, CA

  • Average high temperature in January: 52.5°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (50.7°F).

  • Average low temperature in January: 37°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is December (36°F).

Average pressure in January
Coloma, CA

  • Average pressure in January: 30.16"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in January
Coloma, CA

  • Average wind speed in January: 5.3mph

The windiest month (with the highest average wind speed) is February (6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in January
Coloma, CA

  • Average humidity in January: 69%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is July (39%).

Average rainfall in January
Coloma, CA

  • Average rainfall in January: 4.53"

The wettest month (with the highest rainfall) is March (5.98").
The driest month (with the least rainfall) is July (0").

Average rainfall days in January
Coloma, CA

  • Average rainfall days in January: 11 days

The month with the highest number of rainy days is March (15.6 days).
The month with the least rainy days is July (0.9 days).

Average snowfall in January
Coloma, CA

  • Average snowfall in January: 1.22"

The month with the highest snowfall is February (5.16").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
Coloma, CA

  • Average snowfall days in January: 0.7 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in January: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in January: 6h and 0min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).

Average sunshine days in January
Coloma, CA

  • Average sunshine days in January: 19.6 days

The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is March (13.8 days).

Average UV index in January
Coloma, CA

  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 2).

Average cloud cover in January
Coloma, CA

  • Average cloud cover in January: 33

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in January
Coloma, CA

  • Average visibility in January: 6mi

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).