Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
The transition into January is marked with an average high-temperature of a still chilly 46.9°F (8.3°C), showing an insignificant shift from December's 45.5°F (7.5°C). Pacific Beach's nocturnal average in January closely mirrors its daytime temperatures, settling at a wintry 40.6°F (4.8°C).Humidity
In Pacific Beach, the average relative humidity in January is 84%.Rainfall
In January, the rain falls for 15.7 days. Throughout January, 2.8" (71mm) of precipitation is accumulated. In Pacific Beach, during the entire year, the rain falls for 152.8 days and collects up to 19.41" (493mm) of precipitation.Snowfall
January through March and November are months with snowfall. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 3.3 snowfall days, and 1.38" (35mm) of snow is accumulated.Daylight
In Pacific Beach, the average length of the day in January is 9h and 0min.On the first day of January in Pacific Beach, sunrise is at 8:03 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:16 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 3.5h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In January, the maximum UV index of 2 translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are January temperatures?
What is the average humidity in January?
How much does it rain in January?
When does it start snowing?
What is the average length of the day in January?
When are sunrise and sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Pacific Beach have in January?
What is the month with the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Pacific Beach, WA
- Average high temperature in January: 46.9°F
The warmest month (with the highest average high temperature) is August (65.8°F).
The month with the lowest average high temperature is December (45.5°F).
- Average low temperature in January: 40.6°F
The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is December (39.7°F).
Average pressure in January
Pacific Beach, WA
- Average pressure in January: 30.06"Hg
The month with the highest atmospheric pressure is July (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in January
Pacific Beach, WA
- Average wind speed in January: 10.9mph
The windiest month (with the highest average wind speed) is January (10.9mph).
The calmest month (with the lowest average wind speed) is September (7.1mph).
Average humidity in January
Pacific Beach, WA
- Average humidity in January: 84%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and June (81%).
Average rainfall in January
Pacific Beach, WA
- Average rainfall in January: 2.8"
The wettest month (with the highest rainfall) is December (3.35").
The driest month (with the least rainfall) is July (0.24").
Average rainfall days in January
Pacific Beach, WA
- Average rainfall days in January: 15.7 days
The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is July (5.6 days).
Average snowfall in January
Pacific Beach, WA
- Average snowfall in January: 0.2"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in January
Pacific Beach, WA
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Pacific Beach, WA
- Average daylight in January: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 3h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in January
Pacific Beach, WA
- Average sunshine days in January: 13.4 days
The month with the most sunshine days is July (23.8 days).
The month with the least sunshine days is December (10.7 days).
Average UV index in January
Pacific Beach, WA
- Average UV index in January: 2
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 January, February, November and December (UV index 2).
Average cloud cover in January
Pacific Beach, WA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in January
Pacific Beach, WA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Pacific Beach, Washington, USA
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