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
In Glenn Heights, January is the month with the lowest recorded average temperatures, measuring a high of 54.9°F (12.7°C) and a low of 39°F (3.9°C).Humidity
In Glenn Heights, the average relative humidity in January is 66%.Rainfall
In January, the rain falls for 5.3 days. Throughout January, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 114.9 rainfall days, and 14.49" (368mm) of precipitation is accumulated.Snowfall
January and February are months with snowfall. January is the first month it typically snows in Glenn Heights. Throughout January, in the average 0.5 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.9 snowfall days, and 0.24" (6mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 18min.On the first day of the month, sunrise is at 7:29 am and sunset at 5:32 pm. On the last day of January, in Glenn Heights, sunrise is at 7:22 am and sunset at 5:59 pm CST.
Sunshine
In January, the average sunshine is 5.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in January converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What are January temperatures?
What is the average humidity in January?
How much does it rain in January?
When does it start to snow?
How many hours of daylight does Glenn Heights have in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Glenn Heights have in January?
What are the months with the lowest UV index in Glenn Heights?
What is the UV index intensity in January?
Average temperature in January
Glenn Heights, TX
- Average high temperature in January: 54.9°F
The warmest month (with the highest average high temperature) is August (95.7°F).
The month with the lowest average high temperature is January (54.9°F).
- Average low temperature in January: 39°F
The month with the highest average low temperature is August (76.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).
Average pressure in January
Glenn Heights, 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 (29.91"Hg).
Average wind speed in January
Glenn Heights, TX
- Average wind speed in January: 9mph
The windiest month (with the highest average wind speed) is March (9.9mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in January
Glenn Heights, TX
- Average humidity in January: 66%
The month with the highest relative humidity is May (75%).
The month with the lowest relative humidity is August (58%).
Average rainfall in January
Glenn Heights, TX
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in January
Glenn Heights, TX
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is September (12.5 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in January
Glenn Heights, TX
- Average snowfall in January: 0.04"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Glenn Heights, TX
- Average snowfall days in January: 0.5 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, October and November (0 days).
Average daylight in January /
Average sunshine in January
Glenn Heights, TX
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in January
Glenn Heights, TX
- Average sunshine days in January: 23.3 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is September (14.8 days).
Average UV index in January
Glenn Heights, TX
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Glenn Heights, TX
- Average cloud cover in January: 32
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in January
Glenn Heights, 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).
Glenn Heights, Texas, USA
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