January weather forecast and climate
Descanso, CA

Weather in January

January, the same as December, is another comfortable winter month in Descanso, California, with average temperature fluctuating between 45°F (7.2°C) and 63.9°F (17.7°C).

Temperature

In Descanso, the average high-temperature in January is almost the same as in December - a still comfortable 63.9°F (17.7°C). In January, the average low-temperature is 45°F (7.2°C).

Humidity

The average relative humidity in Descanso, California, is 53%.

Rainfall

In Descanso, in January, it is raining for 5.1 days, with typically 0.75" (19mm) of accumulated precipitation. Throughout the year, there are 62 rainfall days, and 6.38" (162mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in Descanso, California, is 6.9h.

UV index

In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in January in Descanso?

In Descanso, California, in January, the average high-temperature is 63.9°F (17.7°C), and the average low-temperature is 45°F (7.2°C).

What is the average humidity in January in Descanso?

In January, the average relative humidity in Descanso, California, is 53%.

How many days does it rain in January in Descanso?

In Descanso, in January, during 5.1 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How many hours of daylight does Descanso have in January?

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

How many hours of sunshine does Descanso have in January?

In January, the average sunshine in Descanso is 6.9h.

What is the UV index reading in January in Descanso?

In Descanso, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV rays.

Average temperature in January
Descanso, CA

Average temperature in January - Descanso, CA
  • Average high temperature in January: 63.9°F

The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).

  • Average low temperature in January: 45°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 (44.2°F).

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Average pressure in January
Descanso, CA

Average pressure in January - Descanso, 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 (29.85").

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Average wind speed in January
Descanso, CA

Average wind speed in January - Descanso, CA
  • Average wind speed in January: 5.1mph

The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in January
Descanso, CA

Average humidity in January - Descanso, CA
  • Average humidity in January: 53%

The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in January
Descanso, CA

Average rainfall in January - Descanso, CA
  • Average rainfall in January: 0.75"

The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in January
Descanso, CA

Average rainfall days in January - Descanso, CA
  • Average rainfall days in January: 5.1 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).

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

Average daylight in January / Average sunshine in January - Descanso, 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
Descanso, CA

Average sunshine days in January - Descanso, CA
  • Average sunshine days in January: 24.3 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in January
Descanso, CA

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

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

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Average cloud cover in January
Descanso, CA

Average cloud cover in January - Descanso, 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
Descanso, CA

Average visibility in January - Descanso, 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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