January weather forecastDulwich, WA
January
Weather in January
January, the same as December, in Dulwich, Washington, is a freezing cold winter month, with an average temperature ranging between max 29.8°F (-1.2°C) and min 16.2°F (-8.8°C).Temperature
The shift from December to January is characterized by an average high-temperature of a still subzero cold 29.8°F (-1.2°C), not significantly different from the 28.9°F (-1.7°C) of December. Throughout the month of January, Dulwich witnesses an average low-temperature of 16.2°F (-8.8°C).Humidity
With an average relative humidity of 94%, January is the most humid month.Rainfall
In Dulwich, in January, during 13.3 rainfall days, 1.54" (39mm) of precipitation is typically accumulated. In Dulwich, during the entire year, the rain falls for 156.3 days and collects up to 16.18" (411mm) of precipitation.Snowfall
Months with snowfall in Dulwich are January through April, September through December. January is the month with the most snowfall in Dulwich. Snow falls for 11.7 days and accumulates 6.61" (168mm) of snow.Daylight
In January, the average length of the day is 8h and 49min.On the first day of the month, sunrise is at 7:46 am and sunset at 4:06 pm. On the last day of January, sunrise is at 7:24 am and sunset at 4:48 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 3.8h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 1 during January leads to these advisories:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. To avoid the Sun's strongest rays, limit exposure around the mid-day period. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Dulwich, WA
- Average high temperature in January: 29.8°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (28.9°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is February (16°F).
Average pressure in January
Dulwich, WA
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in January
Dulwich, WA
- Average wind speed in January: 3mph
The windiest month (with the highest average wind speed) is April (3.9mph).
The calmest months (with the lowest average wind speed) are January, February and December (3mph).
Average humidity in January
Dulwich, WA
- Average humidity in January: 94%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (50%).
Average rainfall in January
Dulwich, WA
- Average rainfall in January: 1.54"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is August (0.39").
Average rainfall days in January
Dulwich, WA
- Average rainfall days in January: 13.3 days
The month with the highest number of rainy days is March (18.4 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in January
Dulwich, WA
- Average snowfall in January: 6.61"
The month with the highest snowfall is January (6.61").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in January
Dulwich, WA
- Average snowfall days in January: 11.7 days
The month with the highest number of snowfall days is December (13.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Dulwich, WA
- Average daylight in January: 8h and 48min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in January: 3h and 48min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Dulwich, WA
- Average sunshine days in January: 11.9 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is March (9 days).
Average UV index in January
Dulwich, WA
- Average UV index in January: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Dulwich, WA
- Average cloud cover in January: 60
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in January
Dulwich, WA
- Average visibility in January: 2mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
