January weather forecast and climate
Crest, CA

Weather in January

January, like December, in Crest, California, is another enjoyable winter month, with average temperature varying between 65.5°F (18.6°C) and 46.6°F (8.1°C).

Temperature

In January, the average high-temperature is almost the same as in December - a still enjoyable 65.5°F (18.6°C). In Crest, the average low-temperature is 46.6°F (8.1°C).

Humidity

The average relative humidity in January is 55%.

Rainfall

In January, the rain falls for 4.7 days. Throughout January, 0.55" (14mm) of precipitation is accumulated. Throughout the year, there are 49.6 rainfall days, and 5.16" (131mm) of precipitation is accumulated.

Daylight

In Crest, the average length of the day is 10.3h.

Sunshine

The average sunshine in Crest is 6.9h.

UV index

The average daily maximum UV index in Crest is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 4 in January interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in January in Crest?

In January, in Crest, the average high-temperature is 65.5°F (18.6°C), and the average low-temperature is 46.6°F (8.1°C).

What is the average humidity in January in Crest?

In Crest, California, the average relative humidity in January is 55%.

How many days does it rain in January in Crest?

In Crest, California, during January, the rain falls for 4.7 days and regularly aggregates up to 0.55" (14mm) of precipitation.

What is the average length of the day in January in Crest?

In Crest, the average length of the day in January is 10.3h.

How many hours of sunshine does Crest have in January?

The average sunshine in January in Crest is 6.9h.

What is the UV index reading in January in Crest?

The average daily maximum UV index in January in Crest, California, is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to the Sun's UV rays.

Average temperature in January
Crest, CA

Average temperature in January - Crest, CA
  • Average high temperature in January: 65.5°F

The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in January: 46.6°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (46°F).

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Average pressure in January
Crest, CA

Average pressure in January - Crest, CA
  • Average pressure in January: 30.09"

The month with the highest atmospheric pressure is January (30.09").
The month with the lowest atmospheric pressure is June (29.86").

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Average wind speed in January
Crest, CA

Average wind speed in January - Crest, CA
  • Average wind speed in January: 4.8mph

The windiest months (with the highest average wind speed) are April and May (5.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.2mph).

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Average humidity in January
Crest, CA

Average humidity in January - Crest, CA
  • Average humidity in January: 55%

The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).

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Average rainfall in January
Crest, CA

Average rainfall in January - Crest, CA
  • Average rainfall in January: 0.55"

The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in January
Crest, CA

Average rainfall days in January - Crest, CA
  • Average rainfall days in January: 4.7 days

The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.4 days).

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

Average daylight in January / Average sunshine in January - Crest, CA
  • Average daylight in January: 10.3h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in January: 6.9h

Months with the most sunshine are June and July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in January
Crest, CA

Average sunshine days in January - Crest, CA
  • Average sunshine days in January: 25.1 days

The month with the most sunshine days is June (28 days).
The month with the least sunshine days is July (20.7 days).

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Average UV index in January
Crest, CA

Average UV index in January - Crest, CA
  • Average UV index in January: 4

Months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).

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Average cloud cover in January
Crest, CA

Average cloud cover in January - Crest, CA
  • Average cloud cover in January: 20

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in January
Crest, CA

Average visibility in January - Crest, 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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