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 arrival of January in Williams coincides with an average high-temperature of a still frosty 44.8°F (7.1°C), indicating a minimal shift from December's 44.4°F (6.9°C). Throughout January nights, Williams experiences a consistent temperature average of 27.9°F (-2.3°C).Humidity
The most humid month in Williams is January, with an average relative humidity of 63%.Rainfall
In January, the rain falls for 4.3 days. Throughout January, 0.75" (19mm) of precipitation is accumulated. Throughout the year, in Williams, there are 70.4 rainfall days, and 10" (254mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In January, in Williams, Arizona, it is snowing for 5.5 days. Throughout January, 4.02" (102mm) of snow is accumulated. In Williams, Arizona, during the entire year, snow falls for 28.2 days and aggregates up to 24.72" (628mm) of snow.Daylight
The average length of the day in January is 10h and 6min.On the first day of the month, sunrise is at 7:37 am and sunset at 5:27 pm. On the last day of January, in Williams, sunrise is at 7:28 am and sunset at 5:55 pm MST.
Sunshine
The average sunshine in January in Williams, Arizona, is 6.9h.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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 2 in January, converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Williams in January?
What is the most humid month in Williams?
What is the average humidity in January in Williams?
How much does it rain in Williams in January?
How many days does it snow in January in Williams?
What is the average length of the day in January in Williams?
What time are sunrise and sunset in January in Williams?
How long on average sun shines in January in Williams?
What is the month with the lowest UV index in Williams?
What is the UV index reading in January in Williams?
Average temperature in January
Williams, AZ
- Average high temperature in January: 44.8°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (44.4°F).
- Average low temperature in January: 27.9°F
The month with the highest average low temperature is July (61.9°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in January
Williams, 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 (29.85"Hg).
Average wind speed in January
Williams, AZ
- Average wind speed in January: 6.7mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in January
Williams, AZ
- Average humidity in January: 63%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is June (23%).
Average rainfall in January
Williams, AZ
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is July (1.38").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in January
Williams, AZ
- Average rainfall days in January: 4.3 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is June (2.1 days).
Average snowfall in January
Williams, AZ
- Average snowfall in January: 4.02"
The month with the highest snowfall is December (5.94").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Williams, AZ
- Average snowfall days in January: 5.5 days
The month with the highest number of snowfall days is December (6.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Williams, 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 5min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 48min).
Average sunshine days in January
Williams, AZ
- Average sunshine days in January: 23.5 days
The month with the most sunshine days is June (26.9 days).
The month with the least sunshine days is August (13.1 days).
Average UV index in January
Williams, 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
Williams, AZ
- Average cloud cover in January: 22
The month with the most cloud cover is December (Cloud cover 23).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility in January
Williams, 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).
Williams, Arizona, USA
Weather forecast for your location
2. Allow the app to use your location