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
Entering January, the average high-temperature is recorded at a still freezing cold 29.8°F (-1.2°C), exhibiting a minimal shift from December's 28.9°F (-1.7°C). The average temperature during January nights dips to a still subzero cold 16.2°F (-8.8°C).Humidity
With an average relative humidity of 94%, January is the most humid month.Rainfall
In Onion Creek, in January, it is raining for 13.3 days, with typically 1.54" (39mm) of accumulated precipitation. In Onion Creek, during the entire year, the rain falls for 156.3 days and collects up to 16.18" (411mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. January is the month with the most snowfall in Onion Creek. Snow falls for 11.7 days and accumulates 6.61" (168mm) of snow.Daylight
In January, the average length of the day in Onion Creek is 8h and 49min.On the first day of January, sunrise is at 7:44 am and sunset at 4:05 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:46 pm PST.
Sunshine
The month with the least sunshine is January, 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 threat to health from exposure to the Sun's UV radiation for the average person.Note: During January, 1 as the daily maximum UV index converts into the following advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold is it in Onion Creek in January?
What is the most humid month in Onion Creek?
What is the average humidity in January in Onion Creek?
How many days does it rain in January in Onion Creek?
What is the snowiest month in Onion Creek?
How many days does it snow in January in Onion Creek?
How many hours of daylight does Onion Creek have in January?
What time are sunrise and sunset in January in Onion Creek?
What is the month with the least sunshine in Onion Creek?
How long on average sun shines in January in Onion Creek?
What is the month with the lowest UV index in Onion Creek?
How high is the UV index in January in Onion Creek?
Average temperature in January
Onion Creek, 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
Onion Creek, 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
Onion Creek, 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
Onion Creek, 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
Onion Creek, 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
Onion Creek, 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
Onion Creek, 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
Onion Creek, 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
Onion Creek, WA
- Average daylight in January: 8h and 5min
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 5min
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
Onion Creek, 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
Onion Creek, 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
Onion Creek, 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
Onion Creek, 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).
Onion Creek, Washington, USA
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