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 sea temperature 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
Rockport's coldest month, January, registers temperatures that range from a high of 62.2°F (16.8°C) to a low of 53.1°F (11.7°C).Humidity
In Rockport, the average relative humidity in January is 75%.Rainfall
In January, the rain falls for 8.9 days. Throughout January, 0.98" (25mm) of precipitation is accumulated. Throughout the year, there are 129.4 rainfall days, and 17.28" (439mm) of precipitation is accumulated.Snowfall
In Rockport, snow does not fall in January, March through November.Ocean temperature
In Rockport, in January, the average water temperature is 61.3°F (16.3°C).Note: Swimming in 61.3°F (16.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).
Daylight
The average length of the day in January is 10h and 36min.On the first day of the month, sunrise is at 7:19 am and sunset at 5:43 pm. On the last day of January, sunrise is at 7:15 am and sunset at 6:07 pm CST.
Sunshine
The average sunshine in January is 5.9h.UV index
January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during January morphs into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What is the temperature in January?
What is the average humidity in January?
How many days does it rain in January?
When it does not snow?
Does it snow in January?
What is the ocean temperature in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January in Rockport?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Rockport, TX
- Average high temperature in January: 62.2°F
The warmest month (with the highest average high temperature) is August (88.3°F).
The month with the lowest average high temperature is January (62.2°F).
- Average low temperature in January: 53.1°F
The month with the highest average low temperature is August (81.1°F).
The coldest month (with the lowest average low temperature) is January (53.1°F).
Average pressure in January
Rockport, TX
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are May and June (29.9"Hg).
Average wind speed in January
Rockport, TX
- Average wind speed in January: 11.4mph
The windiest month (with the highest average wind speed) is May (13.3mph).
The calmest month (with the lowest average wind speed) is September (10.4mph).
Average humidity in January
Rockport, TX
- Average humidity in January: 75%
The months with the highest relative humidity are February, March and May (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Rockport, TX
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is September (3.31").
The driest month (with the least rainfall) is February (0.55").
Average rainfall days in January
Rockport, TX
- Average rainfall days in January: 8.9 days
The month with the highest number of rainy days is September (18 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in January
Rockport, TX
- Average snowfall in January: 0"
The months with the highest snowfall are February and December (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Rockport, TX
- Average snowfall days in January: 0 days
The month with the highest number of snowfall days is February (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in January
Rockport, TX
- Average sea temperature in January: 61.2°F
The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is February (61.1°F).
Average daylight in January /
Average sunshine in January
Rockport, TX
- Average daylight in January: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 4h and 42min).
Average sunshine days in January
Rockport, TX
- Average sunshine days in January: 19.6 days
The month with the most sunshine days is March (20.3 days).
The month with the least sunshine days is September (10.6 days).
Average UV index in January
Rockport, TX
- Average UV index in January: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in January
Rockport, TX
- Average cloud cover in January: 40
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in January
Rockport, 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).
Rockport, Texas, USA
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