January weather forecastRichmond Highlands, WA
January
Weather in January
January, the same as December, in Richmond Highlands, Washington, is a frosty winter month, with an average temperature varying between 37°F (2.8°C) and 45.1°F (7.3°C).Temperature
January's presence records an average high-temperature of a still frosty 45.1°F (7.3°C), closely mirroring December's climate. Richmond Highlands's nocturnal January readings average at a cold 37°F (2.8°C), showing little variation from the daytime temperatures.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 84%.Rainfall
In January, in Richmond Highlands, the rain falls for 17.4 days. Throughout January, 3.31" (84mm) of precipitation is accumulated. In Richmond Highlands, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Richmond Highlands, during January, snow falls for 2.3 days and regularly aggregates up to 1.18" (30mm) of snow. In Richmond Highlands, during the entire year, snow falls for 12.5 days and aggregates up to 6.65" (169mm) of snow.Daylight
The average length of the day in January is 8h and 56min.On the first day of the month, sunrise is at 7:58 am and sunset at 4:27 pm. On the last day of January, sunrise is at 7:37 am and sunset at 5:07 pm PST.
Sunshine
January has the least sunshine of the year in Richmond Highlands, with an average of 4.5h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Richmond Highlands. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Enhance your sun protection with tightly woven, yet airy clothing. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Richmond Highlands, WA
- Average high temperature in January: 45.1°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in January: 37°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in January
Richmond Highlands, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in January
Richmond Highlands, WA
- Average wind speed in January: 5.8mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in January
Richmond Highlands, WA
- Average humidity in January: 84%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Richmond Highlands, WA
- Average rainfall in January: 3.31"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
Richmond Highlands, WA
- Average rainfall days in January: 17.4 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in January
Richmond Highlands, WA
- Average snowfall in January: 1.18"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Richmond Highlands, WA
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (4.7 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
Richmond Highlands, WA
- Average daylight in January: 8h and 54min
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 30min).
- Average sunshine in January: 4h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in January
Richmond Highlands, WA
- Average sunshine days in January: 10.5 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in January
Richmond Highlands, WA
- Average UV index in January: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Richmond Highlands, WA
- Average cloud cover in January: 53
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Richmond Highlands, WA
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
