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
The average high-temperature for January is a chilly 44.1°F (6.7°C), closely aligning with the temperature of the preceding month. In John Sam Lake, the nighttime temperature shows a slight difference from the daytime high, averaging to a wintry 35.8°F (2.1°C) during January.Humidity
The months with the highest humidity are January and December, with an average relative humidity of 85%.Rainfall
In John Sam Lake, in January, it is raining for 18.2 days, with typically 3.94" (100mm) of accumulated precipitation. Throughout the year, there are 179.1 rainfall days, and 29.57" (751mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In John Sam Lake, Washington, in January, during 1.9 snowfall days, 1.34" (34mm) of snow is typically accumulated. Throughout the year, there are 8.9 snowfall days, and 6.1" (155mm) of snow is accumulated.Daylight
In January, the average length of the day is 8h and 54min.On the first day of the month, sunrise is at 7:59 am and sunset at 4:25 pm. On the last day of January, sunrise is at 7:38 am and sunset at 5:06 pm PST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.2h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To protect against the Sun's most potent rays, avoid direct exposure around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is January cold?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does John Sam Lake have in January?
When are sunrise and sunset in January?
What is the month with the least sunshine in John Sam Lake?
How many hours of sunshine does John Sam Lake have in January?
What are the months with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
John Sam Lake, WA
- Average high temperature in January: 44.1°F
The warmest month (with the highest average high temperature) is August (73°F).
The month with the lowest average high temperature is December (42.3°F).
- Average low temperature in January: 35.8°F
The month with the highest average low temperature is August (52.5°F).
The coldest month (with the lowest average low temperature) is December (34.7°F).
Average pressure in January
John Sam Lake, WA
- Average pressure in January: 30.09"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in January
John Sam Lake, WA
- Average wind speed in January: 5.7mph
The windiest months (with the highest average wind speed) are March and November (5.8mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in January
John Sam Lake, WA
- Average humidity in January: 85%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is July (73%).
Average rainfall in January
John Sam Lake, WA
- Average rainfall in January: 3.94"
The wettest month (with the highest rainfall) is November (4.06").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in January
John Sam Lake, WA
- Average rainfall days in January: 18.2 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in January
John Sam Lake, WA
- Average snowfall in January: 1.34"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
John Sam Lake, WA
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (3.1 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
John Sam Lake, WA
- Average daylight in January: 8h and 5min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in January: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in January
John Sam Lake, WA
- Average sunshine days in January: 10.8 days
The month with the most sunshine days is August (23.1 days).
The months with the least sunshine days are February and November (8.6 days).
Average UV index in January
John Sam Lake, 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
John Sam Lake, WA
- Average cloud cover in January: 56
The month with the most cloud cover is December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in January
John Sam Lake, WA
- Average visibility in January: 5mi
The months with the highest visibility are March, April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, November and December (5mi).
John Sam Lake, Washington, USA
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