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
With average high and low temperatures of 52.2°F (11.2°C) and 36.5°F (2.5°C) respectively, January is Sumner's coldest month.Humidity
In Sumner, the average relative humidity in January is 72%.Rainfall
January is the month with the least rainfall in Sumner. Rain falls for 8.8 days and accumulates 1.93" (49mm) of precipitation.Snowfall
January through March and November are months with snowfall in Sumner. January is the first month it typically snows. Throughout January, in the average 0.6 snowfall days, it receives 0.31" (8mm) of snow. In Sumner, Texas, during the entire year, snow falls for 2.7 days and aggregates up to 1.42" (36mm) of snow.Daylight
In Sumner, the average length of the day in January is 10h and 13min.On the first day of the month, sunrise is at 7:27 am and sunset at 5:24 pm. On the last day of January, in Sumner, Texas, sunrise is at 7:19 am and sunset at 5:52 pm CST.
Sunshine
The average sunshine in January in Sumner is 5.5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum UV index of 3 in January translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Sumner?
What is the average January temperature in Sumner?
What is the average humidity in January in Sumner?
What is the driest month in Sumner?
How much does it rain in Sumner in January?
When does it start to snow in Sumner?
What is the average length of the day in January in Sumner?
When is the sunrise / sunset in January in Sumner?
How long on average sun shines in January in Sumner?
What is the month with the lowest UV index in Sumner?
What is the UV index intensity in January in Sumner?
Average temperature in January
Sumner, TX
- Average high temperature in January: 52.2°F
The warmest month (with the highest average high temperature) is August (93.4°F).
The month with the lowest average high temperature is January (52.2°F).
- Average low temperature in January: 36.5°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (36.5°F).
Average pressure in January
Sumner, TX
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in January
Sumner, TX
- Average wind speed in January: 8.8mph
The windiest months (with the highest average wind speed) are February and March (9.1mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in January
Sumner, TX
- Average humidity in January: 72%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is August (65%).
Average rainfall in January
Sumner, TX
- Average rainfall in January: 1.93"
The wettest month (with the highest rainfall) is May (4.21").
The driest month (with the least rainfall) is January (1.93").
Average rainfall days in January
Sumner, TX
- Average rainfall days in January: 8.8 days
The month with the highest number of rainy days is March (14.8 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in January
Sumner, TX
- Average snowfall in January: 0.31"
The month with the highest snowfall is February (0.83").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in January
Sumner, TX
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is February (1.2 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
Sumner, TX
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 5h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Sumner, TX
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is January (19.6 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in January
Sumner, TX
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in January
Sumner, TX
- Average cloud cover in January: 36
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in January
Sumner, TX
- 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).
Sumner, Texas, USA
Weather forecast for your location
2. Allow the app to use your location