January weather forecast
Long Beach, WA

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Weather in January

January, the same as December, in Long Beach, Washington, is another chilly winter month, with temperature in the range of an average low of 42.1°F (5.6°C) and an average high of 47.7°F (8.7°C).

Temperature

The transition from December to January sees an average high-temperature of a still chilly 47.7°F (8.7°C), indicating a minor variance from the prior month. Long Beach encounters an average temperature dip to a wintry 42.1°F (5.6°C) throughout January, subtly lower than its daytime maximum.

Humidity

The average relative humidity in January is 81%.

Rainfall

In Long Beach, Washington, during January, the rain falls for 16.8 days and regularly aggregates up to 2.8" (71mm) of precipitation. In Long Beach, during the entire year, the rain falls for 165.1 days and collects up to 19.92" (506mm) of precipitation.

Snowfall

Months with snowfall in Long Beach are January, February and September. January is the first month it typically snows in Long Beach, Washington. Throughout January, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow. In Long Beach, Washington, during the entire year, snow falls for 1.8 days and aggregates up to 0.47" (12mm) of snow.

Ocean temperature

In Long Beach, in January, the average water temperature is 48.7°F (9.3°C).
Note: Dipping in 48.7°F (9.3°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.

Daylight

In January, the average length of the day is 9h and 6min.
On the first day of January, sunrise is at 7:59 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:18 pm PST.

Sunshine

With an average of 3.8h of sunshine, January has the least sunshine of the year.

UV index

In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: In January, the maximum UV index of 3 suggests these recommendations:
Undertake precautions - Guarding against sun damage is counselled. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Opt for tightly woven and loose clothing to enhance protection from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Long Beach in January?

In January, in Long Beach, the average high-temperature is 47.7°F (8.7°C), and the average low-temperature is 42.1°F (5.6°C).

What is the average humidity in January in Long Beach?

In January, the average relative humidity is 81%.

How many days does it rain in January in Long Beach?

In Long Beach, during January, the rain falls for 16.8 days and regularly aggregates up to 2.8" (71mm) of precipitation.

When does it start to snow in Long Beach?

January is the first month it typically snows in Long Beach, Washington. Throughout January, in the average 0.4 snowfall days, it receives 0.12" (3mm) of snow.

How cold is the water in January in Long Beach?

In January, the average ocean temperature in Long Beach, Washington, is 48.7°F (9.3°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

How many hours of daylight does Long Beach have in January?

In January, the average day length in Long Beach, Washington, is 9h and 6min.

When is the sunrise / sunset in January in Long Beach?

On the first day of January in Long Beach, sunrise is at 7:59 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:18 pm PST.

What is the month with the least sunshine in Long Beach?

The month with the least sunshine is January, with an average of 3.8h of sunshine.

How many hours of sunshine does Long Beach have in January?

In January, the average sunshine duration in Long Beach is 3.8h.

What is the UV index intensity in January in Long Beach?

The average daily maximum UV index in January in Long Beach is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in January
Long Beach, WA

Average temperature in January - Long Beach, WA
  • Average high temperature in January: 47.7°F

The warmest month (with the highest average high temperature) is August (63.9°F).
The month with the lowest average high temperature is December (46.8°F).

  • Average low temperature in January: 42.1°F

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (41.5°F).

Average pressure in January
Long Beach, WA

Average pressure in January - Long Beach, WA
  • Average pressure in January: 30.07"Hg

The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30.01"Hg).

Average wind speed in January
Long Beach, WA

Average wind speed in January - Long Beach, WA
  • Average wind speed in January: 11.9mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).

Average humidity in January
Long Beach, WA

Average humidity in January - Long Beach, WA
  • Average humidity in January: 81%

The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is April (80%).

Average rainfall in January
Long Beach, WA

Average rainfall in January - Long Beach, WA
  • Average rainfall in January: 2.8"

The wettest month (with the highest rainfall) is December (3.31").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in January
Long Beach, WA

Average rainfall days in January - Long Beach, WA
  • Average rainfall days in January: 16.8 days

The month with the highest number of rainy days is November (18.5 days).
The month with the least rainy days is August (6.7 days).

Average snowfall in January
Long Beach, WA

Average snowfall in January - Long Beach, WA
  • Average snowfall in January: 0.12"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, October, November and December (0").

Average snowfall days in January
Long Beach, WA

Average snowfall days in January - Long Beach, WA
  • Average snowfall days in January: 0.4 days

The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).

Average sea temperature in January
Long Beach, WA

Average sea temperature in January - Long Beach, WA
  • Average sea temperature in January: 48.8°F

The best month for swimming (with the highest average sea temperature) is July (58.6°F).
The coldest month (with the lowest average sea temperature) is February (47.8°F).

Average daylight in January /
Average sunshine in January
Long Beach, WA

Average daylight in January / Average sunshine in January - Long Beach, WA
  • Average daylight in January: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in January: 3h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in January
Long Beach, WA

Average sunshine days in January - Long Beach, WA
  • Average sunshine days in January: 12.4 days

The month with the most sunshine days is August (20.3 days).
The month with the least sunshine days is November (8.9 days).

Average UV index in January
Long Beach, WA

Average UV index in January - Long Beach, WA
  • Average UV index in January: 3

The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are February, November and December (UV index 2).

Average cloud cover in January
Long Beach, WA

Average cloud cover in January - Long Beach, WA
  • Average cloud cover in January: 60

The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 37).

Average visibility in January
Long Beach, WA

Average visibility in January - Long Beach, WA
  • 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).

Long Beach, Washington, USA

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