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 coldest time of the year is January, with temperatures averaging a high of 61.3°F (16.3°C) and a low of 46°F (7.8°C).Humidity
The average relative humidity in January in Houston is 73%.Rainfall
In January, in Houston, the rain falls for 11.8 days. Throughout January, 2.13" (54mm) of precipitation is accumulated. In Houston, during the entire year, the rain falls for 180.5 days and collects up to 35.35" (898mm) of precipitation.Snowfall
Months with snowfall in Houston are January and December. January is the last month it regularly snows in Houston. During 0.1 snowfall days, in January, Houston aggregates 0.04" (1mm) of snow. Throughout the year, there are 0.2 snowfall days, and 0.12" (3mm) of snow is accumulated.Daylight
The average length of the day in January in Houston, Texas, is 10h and 29min.On the first day of January, sunrise is at 7:16 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:57 pm CST.
Sunshine
In January, the average sunshine is 5.3h.UV index
In Houston, Texas, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 during January translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the coldest month in Houston?
What are the temperatures in Houston in January?
What is the average humidity in January in Houston?
How much does it rain in Houston in January?
What is the last month it snows in Houston?
What is the average length of the day in January in Houston?
When is the sunrise / sunset in January in Houston?
How many hours of sunshine does Houston have in January?
What is the UV index intensity in January in Houston?
Average temperature in January
Houston, TX
- Average high temperature in January: 61.3°F
The warmest month (with the highest average high temperature) is August (94.3°F).
The month with the lowest average high temperature is January (61.3°F).
- Average low temperature in January: 46°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in January
Houston, 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 (29.93"Hg).
Average wind speed in January
Houston, TX
- Average wind speed in January: 7.7mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is September (5.9mph).
Average humidity in January
Houston, TX
- Average humidity in January: 73%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are August and October (70%).
Average rainfall in January
Houston, TX
- Average rainfall in January: 2.13"
The wettest month (with the highest rainfall) is September (4.49").
The driest month (with the least rainfall) is February (1.77").
Average rainfall days in January
Houston, TX
- Average rainfall days in January: 11.8 days
The month with the highest number of rainy days is September (19.5 days).
The month with the least rainy days is January (11.8 days).
Average snowfall in January
Houston, TX
- Average snowfall in January: 0.04"
The month with the highest snowfall is December (0.08").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Houston, TX
- Average snowfall days in January: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Houston, TX
- Average daylight in January: 10h and 3min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in January: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in January
Houston, TX
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is January (16.3 days).
The month with the least sunshine days is September (7.9 days).
Average UV index in January
Houston, TX
- Average UV index in January: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Houston, TX
- Average cloud cover in January: 41
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in January
Houston, 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).
Houston, Texas, USA
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