January weather forecastRollingwood, TX
January
Weather in January
January, like December, is a moderate winter month in Rollingwood, Texas, with temperature in the range of an average low of 42.6°F (5.9°C) and an average high of 59.4°F (15.2°C).Temperature
Rollingwood's coldest month, January, generally records average temperatures ranging from a high of 59.4°F (15.2°C) to a low of 42.6°F (5.9°C).Humidity
The average relative humidity in January is 66%.Rainfall
In Rollingwood, during January, the rain falls for 8.2 days and regularly aggregates up to 1.14" (29mm) of precipitation. In Rollingwood, during the entire year, the rain falls for 142.7 days and collects up to 21.5" (546mm) of precipitation.Snowfall
January, February and November are months with snowfall. The months with the most snowfall days are January and February, with an average of 0.3 snowfall days.Daylight
In January, the average length of the day is 10h and 28min.On the first day of January in Rollingwood, sunrise is at 7:27 am and sunset at 5:41 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 6:06 pm CST.
Sunshine
The average sunshine in January is 6.3h.UV index
The average daily maximum UV index in January in Rollingwood is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In January, a regular UV index of 4 translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. To guard against the harmful effects of the Sun, minimize exposure during midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Rollingwood, TX
- Average high temperature in January: 59.4°F
The warmest month (with the highest average high temperature) is August (96.4°F).
The month with the lowest average high temperature is January (59.4°F).
- Average low temperature in January: 42.6°F
The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (42.6°F).
Average pressure in January
Rollingwood, TX
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in January
Rollingwood, TX
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is March (9.2mph).
The calmest month (with the lowest average wind speed) is September (6.2mph).
Average humidity in January
Rollingwood, 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 (59%).
Average rainfall in January
Rollingwood, TX
- Average rainfall in January: 1.14"
The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in January
Rollingwood, TX
- Average rainfall days in January: 8.2 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (8.2 days).
Average snowfall days in January
Rollingwood, TX
- Average snowfall days in January: 0.3 days
The months with the highest number of snowfall days are January and February (0.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in January /
Average sunshine in January
Rollingwood, TX
- Average daylight in January: 10h and 30min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in January: 6h and 18min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in January
Rollingwood, TX
- Average sunshine days in January: 20.5 days
The month with the most sunshine days is January (20.5 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in January
Rollingwood, TX
- Average UV index in January: 4
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in January
Rollingwood, TX
- Average cloud cover in January: 34
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in January
Rollingwood, 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).





