January weather forecast
West Sacramento, CA

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Weather in January

January in West Sacramento, California, is a refreshing winter month, with an average temperature varying between 55.9°F and 41.5°F.

Temperature

January's weather displays an average high-temperature of a moderate 55.9°F, slightly varied from December's 54.5°F. During January nights, West Sacramento records an average temperature of 41.5°F.

Humidity

In West Sacramento, the average relative humidity in January is 74%.

Rainfall

In January, the rain falls for 8.4 days. Throughout January, 1.1" of precipitation is accumulated. In West Sacramento, California, during the entire year, the rain falls for 66.6 days and collects up to 7.6" of precipitation.

Daylight

In January, the average length of the day is 9h and 50min.
On the first day of January, sunrise is at 7:23 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:26 pm PST.

Sunshine

The average sunshine in January is 5.7h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In January, an average UV index of 3 transforms into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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FAQ

What is the temperature in January in West Sacramento?

The high-temperature, in January, in West Sacramento, is 55.9°F, while the low-temperature averages to 41.5°F.

What is the average humidity in January in West Sacramento?

In January, the average relative humidity in West Sacramento is 74%.

How many days does it rain in January in West Sacramento?

In West Sacramento, California, in January, during 8.4 rainfall days, 1.1" of precipitation is typically accumulated.

How many hours of daylight does West Sacramento have in January?

In January, the average day length in West Sacramento is 9h and 50min.

When are sunrise and sunset in January in West Sacramento?

On the first day of January in West Sacramento, sunrise is at 7:23 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:26 pm PST.

How long on average sun shines in January in West Sacramento?

In West Sacramento, the average sunshine duration in January is 5.7h.

When is the lowest UV index in West Sacramento?

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

What is the UV index reading in January in West Sacramento?

The average daily maximum UV index in January in West Sacramento is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
West Sacramento, CA

Average temperature in January - West Sacramento, CA
  • Average high temperature in January: 55.9°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in January: 41.5°F

The month with the highest average low temperature is August (59.5°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in January
West Sacramento, CA

Average pressure in January - West Sacramento, 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 June (29.9"Hg).

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Average wind speed in January
West Sacramento, CA

Average wind speed in January - West Sacramento, CA
  • Average wind speed in January: 5.4mph

The windiest month (with the highest average wind speed) is February (6.3mph).
The calmest months (with the lowest average wind speed) are September and November (5mph).

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Average humidity in January
West Sacramento, CA

Average humidity in January - West Sacramento, CA
  • Average humidity in January: 74%

The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (45%).

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Average rainfall in January
West Sacramento, CA

Average rainfall in January - West Sacramento, CA
  • Average rainfall in January: 1.1"

The wettest month (with the highest rainfall) is March (1.34").
The driest month (with the least rainfall) is August (0.04").

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Average rainfall days in January
West Sacramento, CA

Average rainfall days in January - West Sacramento, CA
  • Average rainfall days in January: 8.4 days

The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (1.2 days).

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Average daylight in January /
Average sunshine in January
West Sacramento, CA

Average daylight in January / Average sunshine in January - West Sacramento, CA
  • Average daylight in January: 9h and 5min

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: 5h and 4min

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 30min).

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Average sunshine days in January
West Sacramento, CA

Average sunshine days in January - West Sacramento, CA
  • Average sunshine days in January: 21.2 days

The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (17.7 days).

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Average UV index in January
West Sacramento, CA

Average UV index in January - West Sacramento, CA
  • Average UV index in January: 3

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

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Average cloud cover in January
West Sacramento, CA

Average cloud cover in January - West Sacramento, CA
  • Average cloud cover in January: 36

The month with the most cloud cover is March (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in January
West Sacramento, CA

Average visibility in January - West Sacramento, 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).

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West Sacramento, California, USA

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