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 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
As Why transitions from December to January, the average high-temperatures adjust to a still comfortable 64.8°F (18.2°C), nearly the same as the previous 63.1°F (17.3°C). Why reports a consistent average low-temperature of 47.8°F (8.8°C) throughout January nights.Humidity
In January, the average relative humidity is 41%.Rainfall
In Why, in January, it is raining for 3.7 days, with typically 0.39" (10mm) of accumulated precipitation. Throughout the year, in Why, there are 58 rainfall days, and 6.69" (170mm) of precipitation is accumulated.Daylight
In Why, the average length of the day in January is 10h and 19min.On the first day of the month, sunrise is at 7:32 am and sunset at 5:36 pm. On the last day of January, in Why, sunrise is at 7:25 am and sunset at 6:03 pm MST.
Sunshine
In January, the average sunshine in Why is 7.3h.UV index
In Why, the average daily maximum UV index in January is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In January, a daily UV index of 4 turns into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average January temperature in Why?
What is the average humidity in January in Why?
How much does it rain in Why in January?
What is the average length of the day in January in Why?
When are sunrise and sunset in January in Why?
How many hours of sunshine does Why have in January?
How high is the UV index in January in Why?
Average temperature in January
Why, AZ
- Average high temperature in January: 64.8°F
The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (63.1°F).
- Average low temperature in January: 47.8°F
The month with the highest average low temperature is August (85.3°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).
Average pressure in January
Why, AZ
- Average pressure in January: 30.07"Hg
The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).
Average wind speed in January
Why, AZ
- Average wind speed in January: 5.3mph
The windiest months (with the highest average wind speed) are May and June (8.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).
Average humidity in January
Why, AZ
- Average humidity in January: 41%
The month with the highest relative humidity is December (42%).
The month with the lowest relative humidity is June (17%).
Average rainfall in January
Why, AZ
- Average rainfall in January: 0.39"
The wettest month (with the highest rainfall) is July (1.5").
The driest months (with the least rainfall) are April, May and June (0.08").
Average rainfall days in January
Why, AZ
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is May (1.3 days).
Average daylight in January /
Average sunshine in January
Why, AZ
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January: 7h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in January
Why, AZ
- Average sunshine days in January: 26.7 days
The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in January
Why, AZ
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Why, AZ
- Average cloud cover in January: 16
The month with the most cloud cover is December (Cloud cover 19).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in January
Why, 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).
Why, Arizona, USA
Weather forecast for your location
2. Allow the app to use your location