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
Temperature readings reach their annual highs in January, averaging 43.5°F (6.4°C) and a minimum average of 35.6°F (2°C).Humidity
The months with the lowest humidity in Keller are January and November, with an average relative humidity of 74%.Rainfall
In January, the rain falls for 9.3 days. Throughout January, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Keller, there are 161.5 rainfall days, and 26.06" (662mm) of precipitation is accumulated.Snowfall
Months with snowfall in Keller are January through March and December. In Keller, in January, snow falls for 1.4 days, with typically accumulated 0.12" (3mm) of snow. Throughout the year, in Keller, there are 5.6 snowfall days, and 0.87" (22mm) of snow is accumulated.Daylight
The average length of the day in January is 9h and 55min.On the first day of the month, sunrise is at 7:17 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:07 am and sunset at 5:25 pm EST.
Sunshine
In January, the average sunshine is 5.5h.UV index
With an average maximum UV index of 2, January is the month with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In January, the maximum UV index of 2 suggests this advice:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What month is the coldest in Keller?
How cold is January in Keller?
What is the least humid month in Keller?
What is the average humidity in January in Keller?
How much does it rain in Keller in January?
How much does it snow in Keller in January?
How many hours of daylight does Keller have in January?
When are sunrise and sunset in January in Keller?
How many hours of sunshine does Keller have in January?
What is the month with the lowest UV index in Keller?
What is the UV index intensity in January in Keller?
Average temperature in January
Keller, VA
- Average high temperature in January: 43.5°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in January: 35.6°F
The month with the highest average low temperature is July (75.9°F).
The coldest month (with the lowest average low temperature) is January (35.6°F).
Average pressure in January
Keller, VA
- Average pressure in January: 30.1"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in January
Keller, VA
- Average wind speed in January: 13.4mph
The windiest month (with the highest average wind speed) is January (13.4mph).
The calmest month (with the lowest average wind speed) is August (9.5mph).
Average humidity in January
Keller, VA
- Average humidity in January: 74%
The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January and November (74%).
Average rainfall in January
Keller, VA
- Average rainfall in January: 1.57"
The wettest month (with the highest rainfall) is August (3.27").
The driest month (with the least rainfall) is November (1.54").
Average rainfall days in January
Keller, VA
- Average rainfall days in January: 9.3 days
The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in January
Keller, VA
- Average snowfall in January: 0.12"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Keller, VA
- Average snowfall days in January: 1.4 days
The month with the highest number of snowfall days is February (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Keller, VA
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).
Average sunshine days in January
Keller, VA
- Average sunshine days in January: 17.4 days
The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in January
Keller, VA
- Average UV index in January: 2
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in January
Keller, VA
- Average cloud cover in January: 41
The month with the most cloud cover is March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in January
Keller, VA
- 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).
Keller, Virginia, USA
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