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
Leavenworth experiences an average high-temperature of a still freezing cold 31.5°F (-0.3°C) with the onset of January, subtly varied from December's 30.6°F (-0.8°C). Leavenworth's average low-temperature in January is measured at a still subzero cold 18.9°F (-7.3°C).Humidity
The most humid month is January, with an average relative humidity of 92%.Rainfall
The month with the most rainfall in Leavenworth is January, when the rain falls for 14.7 days and typically aggregates up to 4.33" (110mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. The month with the most snowfall is January, when snow falls for 14.7 days and typically aggregates up to 16.73" (425mm) of snow.Daylight
In Leavenworth, the average length of the day in January is 8h and 58min.On the first day of the month, sunrise is at 7:50 am and sunset at 4:21 pm. On the last day of January, sunrise is at 7:30 am and sunset at 5:01 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 4.1h of sunshine.UV index
January and February, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 1 during January, leads to the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is January?
What is the most humid month?
What is the average humidity in January?
What is the wettest month?
How many days does it rain in January?
What is the snowiest month?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index reading in January?
Average temperature in January
Leavenworth, WA
- Average high temperature in January: 31.5°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (30.6°F).
- Average low temperature in January: 18.9°F
The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is December (18.7°F).
Average pressure in January
Leavenworth, 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 (29.95"Hg).
Average wind speed in January
Leavenworth, WA
- Average wind speed in January: 3.7mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is December (3.5mph).
Average humidity in January
Leavenworth, WA
- Average humidity in January: 92%
The month with the highest relative humidity is January (92%).
The months with the lowest relative humidity are July and August (56%).
Average rainfall in January
Leavenworth, WA
- Average rainfall in January: 4.33"
The wettest month (with the highest rainfall) is January (4.33").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Leavenworth, WA
- Average rainfall days in January: 14.7 days
The month with the highest number of rainy days is March (18.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in January
Leavenworth, WA
- Average snowfall in January: 16.73"
The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").
Average snowfall days in January
Leavenworth, WA
- Average snowfall days in January: 14.7 days
The month with the highest number of snowfall days is December (17 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Leavenworth, 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 30min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Leavenworth, WA
- Average sunshine days in January: 9.3 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is February (6.8 days).
Average UV index in January
Leavenworth, 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 and February (UV index 1).
Average cloud cover in January
Leavenworth, WA
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in January
Leavenworth, WA
- Average visibility in January: 4mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
Leavenworth, Washington, USA
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