January weather forecast
California, MD

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Weather in January

January, like December, in California, Maryland, is a wintry winter month, with an average temperature varying between 31.5°F (-0.3°C) and 41.7°F (5.4°C).

Temperature

The coldest month is January, with an average high-temperature of 41.7°F (5.4°C) and an average low-temperature of 31.5°F (-0.3°C).

Humidity

The months with the lowest humidity are January, March and November, with an average relative humidity of 73%.

Rainfall

January is the month with the least rainfall. Rain falls for 8.8 days and accumulates 1.93" (49mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in California. The month with the most snowfall in California is January, when snow falls for 3.5 days and typically aggregates up to 1.77" (45mm) of snow.

Daylight

In January, the average length of the day is 9h and 52min.
On the first day of January, sunrise is at 7:22 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:26 pm EST.

Sunshine

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

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index of 2 during January translates into the following directions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month?

January is the coldest month, exhibiting average temperatures of 41.7°F (5.4°C) at the peak and 31.5°F (-0.3°C) at the base.

How cold does it get in January?

In California, 41.7°F (5.4°C) is the average high-temperature and 31.5°F (-0.3°C) is the average low-temperature during January.

What is the least humid month?

January, March and November, with an average relative humidity of 73%, are the least humid months.

What is the average humidity in January?

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

What is the driest month?

The month with the least rainfall is January, when the rain falls for 8.8 days and typically collects 1.93" (49mm) of precipitation.

How much does it rain in January?

In California, during January, the rain falls for 8.8 days and regularly aggregates up to 1.93" (49mm) of precipitation.

When does it snow the most?

The month with the most snowfall is January, when snow falls for 3.5 days and typically aggregates up to 1.77" (45mm) of snow.

How much does it snow in January?

In California, in January, during 3.5 snowfall days, 1.77" (45mm) of snow is typically accumulated.

What is the average length of the day in January?

The average day length in January is 9h and 52min.

When are sunrise and sunset in January?

On the first day of January, sunrise is at 7:22 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:26 pm EST.

How many hours of sunshine does California have in January?

In California, the average sunshine duration in January is 5.5h.

What is the month with the lowest UV index?

January and December, with an average maximum UV index of 2, are months with the lowest UV index in California.

How high is the UV index in January?

The average daily maximum UV index in January is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
California, MD

Average temperature in January - California, MD
  • Average high temperature in January: 41.7°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in January: 31.5°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

Average pressure in January
California, MD

Average pressure in January - California, MD
  • Average pressure in January: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in January
California, MD

Average wind speed in January - California, MD
  • Average wind speed in January: 9.7mph

The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

Average humidity in January
California, MD

Average humidity in January - California, MD
  • Average humidity in January: 73%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March and November (73%).

Average rainfall in January
California, MD

Average rainfall in January - California, MD
  • Average rainfall in January: 1.93"

The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is January (1.93").

Average rainfall days in January
California, MD

Average rainfall days in January - California, MD
  • Average rainfall days in January: 8.8 days

The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in January
California, MD

Average snowfall in January - California, MD
  • Average snowfall in January: 1.77"

The month with the highest snowfall is January (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in January
California, MD

Average snowfall days in January - California, MD
  • Average snowfall days in January: 3.5 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in January /
Average sunshine in January
California, MD

Average daylight in January / Average sunshine in January - California, MD
  • Average daylight in January: 9h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in January: 5h and 3min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in January
California, MD

Average sunshine days in January - California, MD
  • Average sunshine days in January: 18.8 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is August (10.7 days).

Average UV index in January
California, MD

Average UV index in January - California, MD
  • Average UV index in January: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in January
California, MD

Average cloud cover in January - California, MD
  • Average cloud cover in January: 41

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in January
California, MD

Average visibility in January - California, MD
  • 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).

California, Maryland, USA

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