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
January commences with an average high-temperature of a still wintry 42.6°F (5.9°C), showing little deviation from December's 41.2°F (5.1°C). January brings an average low-temperature of 32.9°F (0.5°C) to Monroe.Humidity
The months with the highest humidity are January, February and December, with an average relative humidity of 86%.Rainfall
In Monroe, in January, it is raining for 11.8 days, with typically 1.61" (41mm) of accumulated precipitation. In Monroe, during the entire year, the rain falls for 115.8 days and collects up to 11.81" (300mm) of precipitation.Snowfall
Months with snowfall in Monroe are January through April, November and December. In Monroe, in January, during 1.4 snowfall days, 0.75" (19mm) of snow is typically accumulated. In Monroe, during the entire year, snow falls for 7 days and aggregates up to 2.64" (67mm) of snow.Daylight
In Monroe, the average length of the day in January is 8h and 56min.On the first day of the month, sunrise is at 7:56 am and sunset at 4:25 pm. On the last day of January, sunrise is at 7:36 am and sunset at 5:06 pm PST.
Sunshine
The average sunshine in January is 4h.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 value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: In January, a daily maximum UV index of 2 leads to the following instructions:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in January?
What are the most humid months?
What is the average humidity in January?
How many days does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January in Monroe?
How many hours of sunshine does Monroe have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Monroe, WA
- Average high temperature in January: 42.6°F
The warmest month (with the highest average high temperature) is August (75.6°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in January: 32.9°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (31.8°F).
Average pressure in January
Monroe, WA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in January
Monroe, WA
- Average wind speed in January: 4.9mph
The windiest month (with the highest average wind speed) is January (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.3mph).
Average humidity in January
Monroe, WA
- Average humidity in January: 86%
The months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is July (71%).
Average rainfall in January
Monroe, WA
- Average rainfall in January: 1.61"
The wettest month (with the highest rainfall) is December (1.85").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in January
Monroe, WA
- Average rainfall days in January: 11.8 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (4 days).
Average snowfall in January
Monroe, WA
- Average snowfall in January: 0.75"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
Monroe, WA
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is February (2.8 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
Monroe, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in January
Monroe, WA
- Average sunshine days in January: 16.8 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is April (15 days).
Average UV index in January
Monroe, 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
Monroe, WA
- Average cloud cover in January: 59
The month with the most cloud cover is December (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in January
Monroe, WA
- Average visibility in January: 4mi
The month with the highest visibility is July (6mi).
The months with the lowest visibility are January, February, March, April, November and December (4mi).
Monroe, Washington, USA
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