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 56.5°F (13.6°C) and 41.4°F (5.2°C).

Temperature

Livermore notes an average high-temperature of a refreshing 56.5°F (13.6°C) in January, hardly diverging from December. Nighttime temperatures hover around an average low of 41.4°F (5.2°C) in January.

Humidity

In Livermore, California, the average relative humidity in January is 73%.

Rainfall

In Livermore, during January, the rain falls for 9.6 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, in Livermore, California, there are 70.6 rainfall days, and 11.3" (287mm) of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in January is 6.2h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 3 during January translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
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Frequently asked questions

What is the temperature in January in Livermore?

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

What is the average humidity in January in Livermore?

In January, the average relative humidity in Livermore, California, is 73%.

How many days does it rain in January in Livermore?

In Livermore, California, in January, it is raining for 9.6 days, with typically 1.97" (50mm) of accumulated precipitation.

How many hours of daylight does Livermore have in January?

The average day length in January is 9h and 55min.

When is the sunrise / sunset in January in Livermore?

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, in Livermore, California, sunrise is at 7:11 am and sunset at 5:29 pm PST.

How many hours of sunshine does Livermore have in January?

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

When is the lowest UV index in Livermore?

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

How high is the UV index in January in Livermore?

In January, the average daily maximum UV index in Livermore, California, is 3. A UV Index reading of 3 to 5 represents 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
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).

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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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Livermore, California, USA

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