January weather forecastLong Beach, WA
January
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 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: 9h and 6min
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 48min
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: 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: 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: 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: 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).





