January weather forecast and climate
Calpella, CA

Weather in January

January, like December, in Calpella, California, is a cool winter month, with temperature in the range of an average high of 55.2°F (12.9°C) and an average low of 38.8°F (3.8°C).

Temperature

In January, the average high-temperature is almost the same as in December - a still cool 55.2°F (12.9°C). In Calpella, the average low-temperature is 38.8°F (3.8°C).

Humidity

In Calpella, California, the average relative humidity is 75%.

Rainfall

In January, the rain falls for 11.3 days. Throughout January, 2.91" (74mm) of precipitation is accumulated. In Calpella, during the entire year, the rain falls for 83.3 days and collects up to 17.72" (450mm) of precipitation.

Snowfall

In Calpella snow does not fall in January, March through December.

Daylight

In Calpella, the average length of the day in January is 9.8h.

Sunshine

The average sunshine in Calpella is 5.5h.

UV index

In January, the average daily maximum UV index in Calpella is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: In January, the average maximum UV index of 3 translate into the following recommendations:
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. 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 Calpella?

In Calpella, California, in January, the average high-temperature is 55.2°F (12.9°C), and the average low-temperature is 38.8°F (3.8°C).

What is the average humidity in January in Calpella?

The average relative humidity in January in Calpella, California, is 75%.

How much does it rain in Calpella in January?

In Calpella, in January, it is raining for 11.3 days, with typically 2.91" (74mm) of accumulated precipitation.

Does it snow in Calpella in January?

In Calpella, California, in January, it doesn't snow. In February, it regularly snows.

When it does not snow in Calpella?

In Calpella, California, snow does not fall in January, March through December.

How many hours of daylight does Calpella have in January?

In January, the average length of the day in Calpella, California, is 9.8h.

How long on average sun shines in January in Calpella?

In Calpella, the average sunshine in January is 5.5h.

What is the UV index intensity in January in Calpella?

In January, the average daily maximum UV index in Calpella, California, is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in January
Calpella, CA

Average temperature in January - Calpella, CA
  • Average high temperature in January: 55.2°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in January: 38.8°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).

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Average pressure in January
Calpella, CA

Average pressure in January - Calpella, CA
  • Average pressure in January: 30.13"

The month with the highest atmospheric pressure is January (30.13").
Months with the lowest atmospheric pressure are June, August and September (29.92").

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Average wind speed in January
Calpella, CA

Average wind speed in January - Calpella, CA
  • Average wind speed in January: 4.6mph

The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

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Average humidity in January
Calpella, CA

Average humidity in January - Calpella, CA
  • Average humidity in January: 75%

The month with the highest relative humidity is March (79%).
Months with the lowest relative humidity are July and September (58%).

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Average rainfall in January
Calpella, CA

Average rainfall in January - Calpella, CA
  • Average rainfall in January: 2.91"

The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in January
Calpella, CA

Average rainfall days in January - Calpella, CA
  • Average rainfall days in January: 11.3 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).

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Average snowfall in January
Calpella, CA

Average snowfall in January - Calpella, CA
  • Average snowfall in January: 0"

The month with the highest snowfall is February (0.04").
Months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in January
Calpella, CA

Average snowfall days in January - Calpella, CA
  • Average snowfall days in January: 0 days

The month with the highest number of snowfall days is February (0.3 days).
Months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

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

Average daylight in January / Average sunshine in January - Calpella, CA
  • Average daylight in January: 9.8h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in January: 5.5h

The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 5.3h).

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Average sunshine days in January
Calpella, CA

Average sunshine days in January - Calpella, CA
  • Average sunshine days in January: 18.5 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).

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Average UV index in January
Calpella, CA

Average UV index in January - Calpella, CA
  • Average UV index in January: 3

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are February and November (UV index 2).

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Average cloud cover in January
Calpella, CA

Average cloud cover in January - Calpella, CA
  • Average cloud cover in January: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in January
Calpella, CA

Average visibility in January - Calpella, CA
  • Average visibility in January: 5mi

Months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
Months with the lowest visibility are January, March and December (5mi).

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