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
Mertens reaches its lowest average temperatures in January, measuring 55.8°F (13.2°C) at the peak and 39.7°F (4.3°C) at the lowest.Humidity
In Mertens, the average relative humidity in January is 67%.Rainfall
In January, in Mertens, the rain falls for 7.3 days. Throughout January, 2.05" (52mm) of precipitation is accumulated. In Mertens, during the entire year, the rain falls for 146.4 days and collects up to 32.72" (831mm) of precipitation.Snowfall
Months with snowfall are January through March and December. In Mertens, during January, snow falls for 0.6 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 2.5 snowfall days, and 0.98" (25mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 20min.On the first day of January in Mertens, Texas, sunrise is at 7:28 am and sunset at 5:33 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 6:00 pm CST.
Sunshine
In Mertens, Texas, the average sunshine in January is 5.8h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a regular UV index of 3 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Mertens?
What are the temperatures in Mertens in January?
What is the average humidity in January in Mertens?
How much does it rain in Mertens in January?
How many days does it snow in January in Mertens?
How many hours of daylight does Mertens have in January?
When are sunrise and sunset in January in Mertens?
How many hours of sunshine does Mertens have in January?
When is the lowest UV index in Mertens?
How high is the UV index in January in Mertens?
Average temperature in January
Mertens, TX
- Average high temperature in January: 55.8°F
The warmest month (with the highest average high temperature) is August (95.5°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in January: 39.7°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in January
Mertens, 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 (29.91"Hg).
Average wind speed in January
Mertens, TX
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is September (6.6mph).
Average humidity in January
Mertens, TX
- Average humidity in January: 67%
The month with the highest relative humidity is May (76%).
The month with the lowest relative humidity is August (58%).
Average rainfall in January
Mertens, TX
- Average rainfall in January: 2.05"
The wettest month (with the highest rainfall) is October (4.57").
The driest month (with the least rainfall) is February (1.85").
Average rainfall days in January
Mertens, TX
- Average rainfall days in January: 7.3 days
The months with the highest number of rainy days are May and September (15.6 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in January
Mertens, TX
- Average snowfall in January: 0.12"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Mertens, TX
- Average snowfall days in January: 0.6 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in January /
Average sunshine in January
Mertens, TX
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in January
Mertens, TX
- Average sunshine days in January: 22.2 days
The month with the most sunshine days is January (22.2 days).
The month with the least sunshine days is September (13.2 days).
Average UV index in January
Mertens, 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
Mertens, TX
- Average cloud cover in January: 32
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 22).
Average visibility in January
Mertens, 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).
Mertens, Texas, USA
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