January weather forecastNelson, WA
January
Weather in January
January, like December, is a freezing cold winter month in Nelson, Washington, with an average temperature fluctuating between 30.7°F (-0.7°C) and 18.9°F (-7.3°C).Temperature
During January, Nelson records an average high-temperature of a still freezing cold 30.7°F (-0.7°C), marking a slight divergence from December's 29.7°F (-1.3°C). Throughout January, the nighttime temperature in Nelson, Washington, averages to a still freezing cold 18.9°F (-7.3°C).Humidity
January and February, with an average relative humidity of 92%, are the most humid months in Nelson.Rainfall
The month with the most rainfall in Nelson, Washington, is January, when the rain falls for 14.2 days and typically aggregates up to 4.41" (112mm) of precipitation.Snowfall
January through May, September through December are months with snowfall in Nelson. January is the month with the most snowfall in Nelson. Snow falls for 13.8 days and accumulates 16.3" (414mm) of snow.Daylight
In January, the average length of the day is 9h and 0min.On the first day of January, sunrise is at 7:50 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:04 pm PST.
Sunshine
The month with the least sunshine in Nelson, Washington, is January, with an average of 3.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Nelson, Washington. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 1 suggests this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Nelson, WA
- Average high temperature in January: 30.7°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is December (29.7°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is December (18.3°F).
Average pressure in January
Nelson, WA
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in January
Nelson, WA
- Average wind speed in January: 4.5mph
The windiest month (with the highest average wind speed) is June (6.7mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in January
Nelson, WA
- Average humidity in January: 92%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are July and August (60%).
Average rainfall in January
Nelson, WA
- Average rainfall in January: 4.41"
The wettest month (with the highest rainfall) is January (4.41").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in January
Nelson, WA
- Average rainfall days in January: 14.2 days
The months with the highest number of rainy days are March and April (18.3 days).
The month with the least rainy days is August (5.5 days).
Average snowfall in January
Nelson, WA
- Average snowfall in January: 16.3"
The month with the highest snowfall is January (16.3").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Nelson, WA
- Average snowfall days in January: 13.8 days
The month with the highest number of snowfall days is December (15.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Nelson, 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 24min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in January
Nelson, WA
- Average sunshine days in January: 9.9 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in January
Nelson, WA
- Average UV index in January: 1
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in January
Nelson, WA
- Average cloud cover in January: 63
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 18).
Average visibility in January
Nelson, WA
- Average visibility in January: 3mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (3mi).
