January weather forecast
Livermore, CA

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A path in the scenic hilly and forest landscape of the famous Lake Del Valle Regional Park in Livermore, California
A path in the scenic hilly and forest landscape of the famous Lake Del Valle Regional Park in Livermore, California

Weather in January

January in Livermore, California, is a refreshing winter month, with an average temperature varying between 41.4°F (5.2°C) and 56.5°F (13.6°C).

Temperature

January's commencement is accompanied by an average high-temperature of a mild 56.5°F (13.6°C), diverging marginally from December's 54.9°F (12.7°C). In Livermore, January's nights observe an average temperature dip to a cold 41.4°F (5.2°C).

Humidity

In January, the average relative humidity is 73%.

Rainfall

In Livermore, in January, during 9.6 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Livermore, during the entire year, the rain falls for 70.6 days and collects up to 11.3" (287mm) of precipitation.

Daylight

The average length of the day in January in Livermore is 9h and 55min.
On the first day of the month, sunrise is at 7:22 am and sunset at 4:58 pm. On the last day of January, sunrise is at 7:11 am and sunset at 5:29 pm PST.

Sunshine

In January, the average sunshine is 6.2h.

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 health risk from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 3 during January morphs into the following directions:
Undertake protective steps - Preventing sun damage is advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in January?

In Livermore, in January, the average high-temperature is 56.5°F (13.6°C), and the average low-temperature is 41.4°F (5.2°C).

What is the average humidity in January?

In January, the average relative humidity is 73%.

How many days does it rain in January?

In Livermore, during January, the rain falls for 9.6 days and regularly aggregates up to 1.97" (50mm) of precipitation.

What is the average length of the day in January?

In January, the average day length is 9h and 55min.

When is the sunrise / sunset in January?

In January, on the first day of the month, sunrise is at 7:22 am and sunset at 4:58 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:29 pm PST.

How long on average sun shines in January?

In Livermore, the average sunshine duration in January is 6.2h.

What are the months with the lowest UV index?

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

How high is the UV index in January?

The average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Livermore, CA

Average temperature in January - Livermore, CA
  • Average high temperature in January: 56.5°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is December (54.9°F).

  • Average low temperature in January: 41.4°F

The month with the highest average low temperature is August (56.7°F).
The coldest month (with the lowest average low temperature) is January (41.4°F).

Average pressure in January
Livermore, CA

Average pressure in January - Livermore, CA
  • Average pressure in January: 30.14"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in January
Livermore, CA

Average wind speed in January - Livermore, CA
  • Average wind speed in January: 4.3mph

The windiest months (with the highest average wind speed) are May and June (6.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

Average humidity in January
Livermore, CA

Average humidity in January - Livermore, CA
  • Average humidity in January: 73%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (55%).

Average rainfall in January
Livermore, CA

Average rainfall in January - Livermore, CA
  • Average rainfall in January: 1.97"

The wettest month (with the highest rainfall) is February (2.09").
The driest month (with the least rainfall) is August (0.04").

Average rainfall days in January
Livermore, CA

Average rainfall days in January - Livermore, CA
  • Average rainfall days in January: 9.6 days

The month with the highest number of rainy days is March (12.7 days).
The month with the least rainy days is August (1.3 days).

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

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

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

  • Average sunshine in January: 6h and 1min

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 0min).

Average sunshine days in January
Livermore, CA

Average sunshine days in January - Livermore, CA
  • Average sunshine days in January: 20.5 days

The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (17.6 days).

Average UV index in January
Livermore, CA

Average UV index in January - Livermore, 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
Livermore, CA

Average cloud cover in January - Livermore, CA
  • Average cloud cover in January: 32

The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 5).

Average visibility in January
Livermore, CA

Average visibility in January - Livermore, 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).

Livermore, California, USA

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