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
The coldest temperatures occur during January, when averages reach a peak of 59.2°F (15.1°C) and a low of 42.8°F (6°C).Humidity
In Willis, the average relative humidity in January is 76%.Rainfall
In January, in Willis, the rain falls for 12.1 days. Throughout January, 2.36" (60mm) of precipitation is accumulated. Throughout the year, in Willis, Texas, there are 176.1 rainfall days, and 34.33" (872mm) of precipitation is accumulated.Snowfall
January and December are months with snowfall. The month with the most snowfall is January, when snow falls for 0.3 days and typically aggregates up to 0.16" (4mm) of snow.Daylight
In Willis, the average length of the day in January is 10h and 27min.On the first day of January in Willis, sunrise is at 7:18 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:57 pm CST.
Sunshine
In Willis, the average sunshine in January is 5.2h.UV index
In Willis, Texas, the average daily maximum UV index in January is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during January, leads to the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What part of the year is the coldest in Willis?
What are January temperatures in Willis?
What is the average humidity in January in Willis?
How much does it rain in Willis in January?
What is the snowiest month in Willis?
What is the last month it snows in Willis?
What is the average length of the day in January in Willis?
When are sunrise and sunset in January in Willis?
How long on average sun shines in January in Willis?
What is the UV index reading in January in Willis?
Average temperature in January
Willis, TX
- Average high temperature in January: 59.2°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 (59.2°F).
- Average low temperature in January: 42.8°F
The months with the highest average low temperature are July and August (74.8°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).
Average pressure in January
Willis, 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 (29.93"Hg).
Average wind speed in January
Willis, TX
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is September (5.1mph).
Average humidity in January
Willis, TX
- Average humidity in January: 76%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (69%).
Average rainfall in January
Willis, TX
- Average rainfall in January: 2.36"
The wettest month (with the highest rainfall) is May (4.02").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in January
Willis, TX
- Average rainfall days in January: 12.1 days
The month with the highest number of rainy days is September (18.2 days).
The months with the least rainy days are January and October (12.1 days).
Average snowfall in January
Willis, TX
- Average snowfall in January: 0.16"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Willis, TX
- Average snowfall days in January: 0.3 days
The month with the highest number of snowfall days is January (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
Willis, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in January
Willis, TX
- Average sunshine days in January: 16.6 days
The months with the most sunshine days are January and October (16.6 days).
The month with the least sunshine days is September (9.9 days).
Average UV index in January
Willis, 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
Willis, TX
- Average cloud cover in January: 43
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in January
Willis, TX
- Average visibility in January: 6mi
The months with the highest visibility are January, August and October (6mi).
The months with the lowest visibility are February, March, April, May, June, July, September, November and December (5mi).
Willis, Texas, USA
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