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
Mesa's weather in January indicates an average high-temperature of a still wintry 37.6°F (3.1°C), nearly consistent with the 36.5°F (2.5°C) of December. In the month of January, the nighttime temperature dips to a steady average of 27.9°F (-2.3°C).Humidity
With an average relative humidity of 82%, January is the most humid month.Rainfall
The month with the most rainfall is January, when the rain falls for 10.4 days and typically aggregates up to 0.94" (24mm) of precipitation.Snowfall
Months with snowfall are January through March, September, November and December. In January, it is snowing for 3.8 days. Throughout January, 1.22" (31mm) of snow is accumulated. In Mesa, during the entire year, snow falls for 14.2 days and aggregates up to 5.43" (138mm) of snow.Daylight
In January, the average length of the day is 9h and 4min.On the first day of the month, sunrise is at 7:40 am and sunset at 4:18 pm. On the last day of January, sunrise is at 7:21 am and sunset at 4:57 pm PST.
Sunshine
The month with the least sunshine is January, with an average of 5.2h 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 of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in 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?
How much does it snow in January?
How many hours of daylight does Mesa have in January?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Mesa have in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Mesa, WA
- Average high temperature in January: 37.6°F
The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in January: 27.9°F
The month with the highest average low temperature is August (63.1°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in January
Mesa, WA
- Average pressure in January: 30.18"Hg
The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in January
Mesa, WA
- Average wind speed in January: 6.1mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.8mph).
Average humidity in January
Mesa, WA
- Average humidity in January: 82%
The month with the highest relative humidity is January (82%).
The months with the lowest relative humidity are July and August (36%).
Average rainfall in January
Mesa, WA
- Average rainfall in January: 0.94"
The wettest month (with the highest rainfall) is January (0.94").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in January
Mesa, WA
- Average rainfall days in January: 10.4 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in January
Mesa, WA
- Average snowfall in January: 1.22"
The month with the highest snowfall is February (1.97").
The months with the least snowfall are April, May, June, July, August and October (0").
Average snowfall days in January
Mesa, WA
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is December (4.1 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in January /
Average sunshine in January
Mesa, WA
- Average daylight in January: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in January: 5h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in January
Mesa, WA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is July (26.3 days).
The month with the least sunshine days is February (14.8 days).
Average UV index in January
Mesa, WA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Mesa, WA
- Average cloud cover in January: 47
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in January
Mesa, 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).
Mesa, Washington, USA
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