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 coldest months are January and December, with an average high-temperature of 42.6°F (5.9°C).Humidity
January is the most humid month, with an average relative humidity of 66%.Rainfall
In Flagstaff, Arizona, during 3.4 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, there are 74.8 rainfall days, and 12.56" (319mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Flagstaff. In Flagstaff, during January, snow falls for 6.1 days and regularly aggregates up to 4.65" (118mm) of snow. Throughout the year, in Flagstaff, there are 30.6 snowfall days, and 28.66" (728mm) of snow is accumulated.Daylight
In January, the average length of the day in Flagstaff is 10h and 7min.On the first day of the month, sunrise is at 7:35 am and sunset at 5:25 pm. On the last day of January, sunrise is at 7:26 am and sunset at 5:53 pm MST.
Sunshine
In Flagstaff, the average sunshine in January is 6.9h.UV index
The months with the lowest UV index in Flagstaff 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 hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily maximum UV index of 2 in January interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
FAQ
What are the coldest months in Flagstaff?
What is the temperature in January in Flagstaff?
What is the most humid month in Flagstaff?
What is the average humidity in January in Flagstaff?
How much does it rain in Flagstaff in January?
How many days does it snow in January in Flagstaff?
How many hours of daylight does Flagstaff have in January?
When are sunrise and sunset in January in Flagstaff?
How many hours of sunshine does Flagstaff have in January?
When is the lowest UV index in Flagstaff?
How high is the UV index in January in Flagstaff?
Average temperature in January
Flagstaff, AZ
- Average high temperature in January: 42.6°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The months with the lowest average high temperature are January and December (42.6°F).
- Average low temperature in January: 25.2°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is December (24.8°F).
Average pressure in January
Flagstaff, AZ
- 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 June (29.86"Hg).
Average wind speed in January
Flagstaff, AZ
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (9.6mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Flagstaff, AZ
- Average humidity in January: 66%
The month with the highest relative humidity is January (66%).
The month with the lowest relative humidity is June (24%).
Average rainfall in January
Flagstaff, AZ
- Average rainfall in January: 0.79"
The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in January
Flagstaff, AZ
- Average rainfall days in January: 3.4 days
The month with the highest number of rainy days is July (16.2 days).
The months with the least rainy days are February and November (2.5 days).
Average snowfall in January
Flagstaff, AZ
- Average snowfall in January: 4.65"
The month with the highest snowfall is December (7.36").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Flagstaff, AZ
- Average snowfall days in January: 6.1 days
The month with the highest number of snowfall days is December (7.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Flagstaff, AZ
- Average daylight in January: 10h and 7min
The month with the longest days is June (Average daylight: 14h and 29min).
The month with the shortest days is December (Average daylight: 9h and 50min).
- Average sunshine in January: 6h and 54min
The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in January
Flagstaff, AZ
- Average sunshine days in January: 23.4 days
The month with the most sunshine days is June (25.8 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in January
Flagstaff, AZ
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Flagstaff, AZ
- Average cloud cover in January: 23
The month with the most cloud cover is December (Cloud cover 24).
The month with the least cloud cover is June (Cloud cover 7).
Average visibility in January
Flagstaff, AZ
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
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