January weather forecast
Tres Pinos, CA

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Weather in January

January, the same as December, in Tres Pinos, California, is another mild winter month, with an average temperature varying between 59.5°F (15.3°C) and 40.6°F (4.8°C).

Temperature

An average high-temperature of a still refreshing 59.5°F (15.3°C) marks January, exhibiting a close resemblance to the conditions in December. Tres Pinos throughout January, experiences an average nighttime temperature of 40.6°F (4.8°C).

Humidity

The average relative humidity in January is 71%.

Rainfall

In Tres Pinos, in January, during 7.7 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Tres Pinos, California, during the entire year, the rain falls for 59.2 days and collects up to 8.66" (220mm) of precipitation.

Daylight

In Tres Pinos, the average length of the day in January is 9h and 59min.
On the first day of the month, sunrise is at 7:17 am and sunset at 4:59 pm. On the last day of January, sunrise is at 7:08 am and sunset at 5:29 pm PST.

Sunshine

In Tres Pinos, the average sunshine in January is 6.5h.

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 value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 3 in January translates into these instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. 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.
Updated: Jul 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Tres Pinos in January?

In Tres Pinos, 59.5°F (15.3°C) is the average high-temperature and 40.6°F (4.8°C) is the average low-temperature during January.

What is the average humidity in January?

In January, the average relative humidity is 71%.

How much does it rain in Tres Pinos in January?

In Tres Pinos, in January, it is raining for 7.7 days, with typically 1.5" (38mm) of accumulated precipitation.

How many hours of daylight does Tres Pinos have in January?

In January, the average day length is 9h and 59min.

What time are sunrise and sunset in January?

In January, on the first day of the month, sunrise is at 7:17 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:29 pm PST.

How long on average sun shines in January?

In Tres Pinos, the average sunshine duration in January is 6.5h.

When is the lowest UV index?

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

What is the UV index reading in January?

In January, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Tres Pinos, CA

Average temperature in January - Tres Pinos, CA
  • Average high temperature in January: 59.5°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (57.4°F).

  • Average low temperature in January: 40.6°F

The month with the highest average low temperature is August (55.4°F).
The coldest months (with the lowest average low temperature) are March and December (40.3°F).

Average pressure in January
Tres Pinos, CA

Average pressure in January - Tres Pinos, CA
  • Average pressure in January: 30.13"Hg

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

Average wind speed in January
Tres Pinos, CA

Average wind speed in January - Tres Pinos, CA
  • Average wind speed in January: 3.9mph

The windiest month (with the highest average wind speed) is May (5.5mph).
The calmest month (with the lowest average wind speed) is November (3.7mph).

Average humidity in January
Tres Pinos, CA

Average humidity in January - Tres Pinos, CA
  • Average humidity in January: 71%

The month with the highest relative humidity is March (73%).
The month with the lowest relative humidity is July (53%).

Average rainfall in January
Tres Pinos, CA

Average rainfall in January - Tres Pinos, CA
  • Average rainfall in January: 1.5"

The wettest month (with the highest rainfall) is December (1.57").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in January
Tres Pinos, CA

Average rainfall days in January - Tres Pinos, CA
  • Average rainfall days in January: 7.7 days

The month with the highest number of rainy days is March (11.6 days).
The month with the least rainy days is August (0.3 days).

Average daylight in January /
Average sunshine in January
Tres Pinos, CA

Average daylight in January / Average sunshine in January - Tres Pinos, CA
  • Average daylight in January: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in January: 6h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).

Average sunshine days in January
Tres Pinos, CA

Average sunshine days in January - Tres Pinos, CA
  • Average sunshine days in January: 21.8 days

The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is March (18.6 days).

Average UV index in January
Tres Pinos, CA

Average UV index in January - Tres Pinos, CA
  • Average UV index in January: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in January
Tres Pinos, CA

Average cloud cover in January - Tres Pinos, CA
  • Average cloud cover in January: 31

The month with the most cloud cover is March (Cloud cover 34).
The months with the least cloud cover are July and August (Cloud cover 5).

Average visibility in January
Tres Pinos, CA

Average visibility in January - Tres Pinos, 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).

Tres Pinos, California, USA

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