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 arrival of January sees an average high-temperature of a frosty 45°F (7.2°C), hardly diverging from December's 42.6°F (5.9°C). Martha Lake records a slight downturn in temperature to an average of 36.7°F (2.6°C) during January nights.Humidity
In Martha Lake, the average relative humidity in January is 83%.Rainfall
In Martha Lake, in January, during 18 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, in Martha Lake, there are 173.1 rainfall days, and 26.02" (661mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Martha Lake, Washington, in January, snow falls for 2.7 days, with typically accumulated 1.73" (44mm) of snow. Throughout the year, there are 16.3 snowfall days, and 10.08" (256mm) of snow is accumulated.Daylight
In Martha Lake, Washington, the average length of the day in January is 8h and 56min.On the first day of January, sunrise is at 7:58 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 5:07 pm PST.
Sunshine
January has the least sunshine of the year, with an average of 4.4h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 2 in January translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in January?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
How many hours of daylight does Martha Lake have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Martha Lake have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Martha Lake, WA
- Average high temperature in January: 45°F
The warmest month (with the highest average high temperature) is August (72.7°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in January: 36.7°F
The month with the highest average low temperature is August (54°F).
The coldest month (with the lowest average low temperature) is December (35.4°F).
Average pressure in January
Martha Lake, 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
Martha Lake, WA
- Average wind speed in January: 6mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in January
Martha Lake, WA
- Average humidity in January: 83%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in January
Martha Lake, WA
- Average rainfall in January: 3.43"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in January
Martha Lake, WA
- Average rainfall days in January: 18 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in January
Martha Lake, WA
- Average snowfall in January: 1.73"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Martha Lake, WA
- Average snowfall days in January: 2.7 days
The month with the highest number of snowfall days is February (5.2 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
Martha 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 30min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in January
Martha Lake, WA
- Average sunshine days in January: 10.6 days
The month with the most sunshine days is August (22.6 days).
The month with the least sunshine days is November (9.1 days).
Average UV index in January
Martha Lake, WA
- Average UV index in January: 2
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 2).
Average cloud cover in January
Martha Lake, WA
- Average cloud cover in January: 53
The month with the most cloud cover is December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Martha Lake, 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).
Martha Lake, Washington, USA
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