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
January is Rockdale's coldest month, registering average high temperatures of 58.1°F (14.5°C) and lows of 42.3°F (5.7°C).Humidity
In Rockdale, the average relative humidity in January is 69%.Rainfall
In Rockdale, in January, during 7.2 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 128.2 rainfall days, and 18.74" (476mm) of precipitation is accumulated.Snowfall
Months with snowfall in Rockdale are January and February. The months with the most snowfall are January and February, with an average 0.04" (1mm) of accumulated snow.Daylight
The average length of the day in January is 10h and 26min.On the first day of the month, sunrise is at 7:25 am and sunset at 5:37 pm. On the last day of January, sunrise is at 7:19 am and sunset at 6:02 pm CST.
Sunshine
In January, the average sunshine in Rockdale is 5.8h.UV index
The months with the lowest UV index in Rockdale are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in January translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are the coldest months in Rockdale?
What is the average January temperature in Rockdale?
What is the average humidity in January in Rockdale?
How many days does it rain in January in Rockdale?
When does it snow the most in Rockdale?
When does it start to snow in Rockdale?
How many hours of daylight does Rockdale have in January?
When is the sunrise / sunset in January in Rockdale?
How long on average sun shines in January in Rockdale?
What is the month with the lowest UV index in Rockdale?
How high is the UV index in January in Rockdale?
Average temperature in January
Rockdale, TX
- Average high temperature in January: 58.1°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 (58.1°F).
- Average low temperature in January: 42.3°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (42.3°F).
Average pressure in January
Rockdale, 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
Rockdale, TX
- Average wind speed in January: 8.7mph
The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest month (with the lowest average wind speed) is September (6.3mph).
Average humidity in January
Rockdale, TX
- Average humidity in January: 69%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is August (62%).
Average rainfall in January
Rockdale, TX
- Average rainfall in January: 0.83"
The wettest month (with the highest rainfall) is May (2.87").
The driest month (with the least rainfall) is February (0.71").
Average rainfall days in January
Rockdale, TX
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is September (14.2 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in January
Rockdale, TX
- Average snowfall in January: 0.04"
The months with the highest snowfall are January and February (0.04").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in January
Rockdale, 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 November (0 days).
Average daylight in January /
Average sunshine in January
Rockdale, TX
- Average daylight in January: 10h and 2min
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: 5h and 5min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in January
Rockdale, TX
- Average sunshine days in January: 21.6 days
The month with the most sunshine days is January (21.6 days).
The month with the least sunshine days is September (13.5 days).
Average UV index in January
Rockdale, 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 and December (UV index 3).
Average cloud cover in January
Rockdale, TX
- Average cloud cover in January: 36
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in January
Rockdale, 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).
Rockdale, Texas, USA
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