January weather forecastSouth Houston, TX
January
Weather in January
January, like December, is another mild winter month in South Houston, Texas, with an average temperature ranging between min 46.9°F (8.3°C) and max 60.6°F (15.9°C).Temperature
The coldest time of the year is January, with temperatures averaging a high of 60.6°F (15.9°C) and a low of 46.9°F (8.3°C).Humidity
In South Houston, the average relative humidity in January is 74%.Rainfall
In South Houston, during January, the rain falls for 12.3 days and regularly aggregates up to 2.17" (55mm) of precipitation. Throughout the year, there are 190.8 rainfall days, and 41.93" (1065mm) of precipitation is accumulated.Snowfall
Months with snowfall are January and December. The months with the most snowfall in South Houston are January and December, with an average 0.04" (1mm) of accumulated snow.Daylight
The average length of the day in January in South Houston, Texas, is 10h and 30min.On the first day of January in South Houston, sunrise is at 7:15 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 5:57 pm CST.
Sunshine
In South Houston, Texas, the average sunshine in January is 5.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In January, the average maximum UV index of 4 translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Experience reduced UV exposure by about half when donning a wide-brim 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
Average temperature in January
South Houston, TX
- Average high temperature in January: 60.6°F
The warmest month (with the highest average high temperature) is August (92.8°F).
The month with the lowest average high temperature is January (60.6°F).
- Average low temperature in January: 46.9°F
The month with the highest average low temperature is August (78.4°F).
The coldest month (with the lowest average low temperature) is January (46.9°F).
Average pressure in January
South 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
South Houston, TX
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest months (with the lowest average wind speed) are August and September (6.5mph).
Average humidity in January
South Houston, TX
- Average humidity in January: 74%
The month with the highest relative humidity is February (79%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in January
South Houston, TX
- Average rainfall in January: 2.17"
The wettest month (with the highest rainfall) is September (5.94").
The driest month (with the least rainfall) is February (1.89").
Average rainfall days in January
South Houston, TX
- Average rainfall days in January: 12.3 days
The months with the highest number of rainy days are August and September (21.3 days).
The month with the least rainy days is January (12.3 days).
Average snowfall in January
South Houston, TX
- Average snowfall in January: 0.04"
The months with the highest snowfall are January and December (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
South Houston, TX
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
South Houston, TX
- Average daylight in January: 10h and 30min
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 24min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in January
South Houston, TX
- Average sunshine days in January: 16.4 days
The month with the most sunshine days is January (16.4 days).
The months with the least sunshine days are August and September (6.9 days).
Average UV index in January
South 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 months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in January
South Houston, TX
- Average cloud cover in January: 40
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 27).
Average visibility in January
South 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).





