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, with an average high of 38.5°F (3.6°C) and a low of 22.5°F (-5.3°C), signifies the coldest month of the year.Humidity
The most humid month in Window Rock is January, with an average relative humidity of 70%.Rainfall
In January, the rain falls for 4.3 days. Throughout January, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 90.1 rainfall days, and 11.93" (303mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Window Rock, Arizona, in January, snow falls for 8.3 days, with typically accumulated 5.35" (136mm) of snow. Throughout the year, there are 35.5 snowfall days, and 21.02" (534mm) of snow is accumulated.Daylight
In Window Rock, Arizona, the average length of the day in January is 10h and 4min.On the first day of January, sunrise is at 7:25 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 5:42 pm MST.
Sunshine
January and December, with an average of 6.4h of sunshine, are months with the least sunshine in Window Rock.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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 2 during January leads to these advisories:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Experience reduced UV exposure by about half when donning a wide-brim hat. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What are the coldest months in Window Rock?
How cold is January in Window Rock?
What is the most humid month in Window Rock?
What is the average humidity in January in Window Rock?
How much does it rain in Window Rock in January?
How many days does it snow in January in Window Rock?
How many hours of daylight does Window Rock have in January?
When are sunrise and sunset in January in Window Rock?
What are the months with the least sunshine in Window Rock?
How many hours of sunshine does Window Rock have in January?
What are the months with the lowest UV index in Window Rock?
What is the UV index intensity in January in Window Rock?
Average temperature in January
Window Rock, AZ
- Average high temperature in January: 38.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (38.5°F).
- Average low temperature in January: 22.5°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in January
Window Rock, AZ
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in January
Window Rock, AZ
- Average wind speed in January: 6.8mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in January
Window Rock, AZ
- Average humidity in January: 70%
The month with the highest relative humidity is January (70%).
The month with the lowest relative humidity is June (23%).
Average rainfall in January
Window Rock, AZ
- Average rainfall in January: 0.91"
The wettest month (with the highest rainfall) is July (2.44").
The driest month (with the least rainfall) is June (0.35").
Average rainfall days in January
Window Rock, AZ
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is July (19.2 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in January
Window Rock, AZ
- Average snowfall in January: 5.35"
The month with the highest snowfall is December (5.55").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Window Rock, AZ
- Average snowfall days in January: 8.3 days
The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Window Rock, AZ
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).
Average sunshine days in January
Window Rock, AZ
- Average sunshine days in January: 20.9 days
The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in January
Window Rock, 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
Window Rock, AZ
- Average cloud cover in January: 29
The month with the most cloud cover is January (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility in January
Window Rock, AZ
- 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).
Window Rock, Arizona, USA
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