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, marked by an average high-temperature of 55°F (12.8°C) and a low-temperature of 37.9°F (3.3°C), is the coldest month.Humidity
In Dennis, Texas, the average relative humidity in January is 61%.Rainfall
The month with the least rainfall is January, when the rain falls for 5.7 days and typically collects 1.3" (33mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Dennis, Texas, in January, snow falls for 0.8 days, with typically accumulated 0.2" (5mm) of snow. In Dennis, during the entire year, snow falls for 3.1 days and aggregates up to 1.77" (45mm) of snow.Daylight
In Dennis, the average length of the day in January is 10h and 17min.On the first day of the month, sunrise is at 7:33 am and sunset at 5:36 pm. On the last day of January, sunrise is at 7:26 am and sunset at 6:03 pm CST.
Sunshine
The average sunshine in January is 6.4h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In January, a daily maximum UV index of 3 leads to the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
What are the temperatures in January?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How much does it snow in Dennis in January?
How many hours of daylight does Dennis have in January?
When are sunrise and sunset in January?
How long on average sun shines in January?
When is the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Dennis, TX
- Average high temperature in January: 55°F
The warmest month (with the highest average high temperature) is August (95.2°F).
The month with the lowest average high temperature is January (55°F).
- Average low temperature in January: 37.9°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in January
Dennis, 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 (29.89"Hg).
Average wind speed in January
Dennis, TX
- Average wind speed in January: 9.5mph
The windiest month (with the highest average wind speed) is April (10.9mph).
The calmest month (with the lowest average wind speed) is September (7mph).
Average humidity in January
Dennis, TX
- Average humidity in January: 61%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (55%).
Average rainfall in January
Dennis, TX
- Average rainfall in January: 1.3"
The wettest month (with the highest rainfall) is October (3.58").
The driest month (with the least rainfall) is January (1.3").
Average rainfall days in January
Dennis, TX
- Average rainfall days in January: 5.7 days
The month with the highest number of rainy days is May (14.3 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in January
Dennis, TX
- Average snowfall in January: 0.2"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Dennis, TX
- Average snowfall days in January: 0.8 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 and October (0 days).
Average daylight in January /
Average sunshine in January
Dennis, TX
- Average daylight in January: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 54min).
Average sunshine days in January
Dennis, TX
- Average sunshine days in January: 23.9 days
The month with the most sunshine days is January (23.9 days).
The month with the least sunshine days is September (14.5 days).
Average UV index in January
Dennis, 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
Dennis, TX
- Average cloud cover in January: 27
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in January
Dennis, 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).
Dennis, Texas, USA
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