January weather forecastLos Alamos, CA

January

Weather in January

January, the same as December, is another comfortable winter month in Los Alamos, California, with temperature in the range of an average low of 49.3°F (9.6°C) and an average high of 63°F (17.2°C).

Temperature

Los Alamos measures an average high-temperature of a still refreshing 63°F (17.2°C) in January, nearly consistent with the preceding month. Los Alamos reports an average low-temperature of 49.3°F (9.6°C) during the nights of January.

Humidity

The average relative humidity in January is 62%.

Rainfall

The month with the most rainfall is January, when the rain falls for 4.8 days and typically aggregates up to 1.38" (35mm) of precipitation.

Daylight

The average length of the day in January is 10h and 8min.
On the first day of January, sunrise is at 7:08 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:28 pm PST.

Sunshine

In Los Alamos, the average sunshine in January is 6.9h.

UV index

In Los Alamos, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: An average maximum UV index of 4 in January leads to these recommendations:
Guard yourself - Avoiding sunburn is suggested. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In January, the average high-temperature and low-temperature are 63°F (17.2°C) and 49.3°F (9.6°C) respectively.

In Los Alamos, the average relative humidity in January is 62%.

January is the month with the most rainfall. Rain falls for 4.8 days and accumulates 1.38" (35mm) of precipitation.

In Los Alamos, during January, the rain falls for 4.8 days and regularly aggregates up to 1.38" (35mm) of precipitation.

In January, the average day length in Los Alamos is 10h and 8min.

In January, on the first day of the month, sunrise is at 7:08 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:28 pm PST.

In Los Alamos, California, the average sunshine duration in January is 6.9h.

In Los Alamos, the average daily maximum UV index in January is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year January F M A M J J A S O N D

Dec

January

Feb

Average high temperature

61.2°F

63°F

62.1°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8mph

7.6mph

8.4mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

25.7

25.5

22.3

Average UV index

Average cloud cover

Average visibility

Average temperature in January
Los Alamos, CA

Average high temperature in January: 63°F

The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (61.2°F).

Average low temperature in January: 49.3°F

The month with the highest average low temperature is September (61.2°F).
The coldest month (with the lowest average low temperature) is February (47.8°F).

Average pressure in January
Los Alamos, CA

Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).

Average wind speed in January
Los Alamos, CA

Average wind speed in January: 7mph

The windiest month (with the highest average wind speed) is May (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in January
Los Alamos, CA

Average humidity in January: 62%

The month with the highest relative humidity is March (67%).
The months with the lowest relative humidity are October and November (58%).

Average rainfall in January
Los Alamos, CA

Average rainfall in January: 1.38"

The wettest month (with the highest rainfall) is January (1.38").
The driest month (with the least rainfall) is June (0.04").

Average rainfall days in January
Los Alamos, CA

Average rainfall days in January: 4.8 days

The month with the highest number of rainy days is March (6.2 days).
The month with the least rainy days is August (0.8 days).

Average daylight in January /
Average sunshine in January
Los Alamos, CA

Average daylight in January: 10h and 6min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).

Average sunshine in January: 6h and 54min

The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days in January
Los Alamos, CA

Average sunshine days in January: 25.5 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (22.3 days).

Average UV index in January
Los Alamos, CA

Average UV index in January: 4

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

Average cloud cover in January
Los Alamos, CA

Average cloud cover in January: 22

The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).

Average visibility in January
Los Alamos, 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).