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 tends to be the coldest month, with temperatures averaging a daily high of 55.2°F (12.9°C) and a low of 37.9°F (3.3°C).Humidity
In January, the average relative humidity in Cool is 59%.Rainfall
The months with the least rainfall in Cool are January and December Rain falls for 5.5 days and accumulates 1.18" (30mm) of rain.Snowfall
Months with snowfall are January through March, November and December. In Cool, in January, snow falls for 0.4 days, with typically accumulated 0.12" (3mm) of snow. In Cool, during the entire year, snow falls for 2.8 days and aggregates up to 1.61" (41mm) of snow.Daylight
In Cool, the average length of the day in January is 10h and 17min.On the first day of January, sunrise is at 7:34 am and sunset at 5:36 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 6:03 pm CST.
Sunshine
The average sunshine in January is 6.5h.UV index
In January, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 during January translates into the following guidance:
Prioritize safety - Suggestions to prevent sun damage are offered. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months?
What are January temperatures?
What is the average humidity in January?
What is the driest month?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
How high is the UV index in January?
Average temperature in January
Cool, TX
- Average high temperature in January: 55.2°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 (55.2°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
Cool, 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
Cool, TX
- Average wind speed in January: 9.6mph
The windiest month (with the highest average wind speed) is April (11.1mph).
The calmest month (with the lowest average wind speed) is September (7.2mph).
Average humidity in January
Cool, TX
- Average humidity in January: 59%
The month with the highest relative humidity is May (71%).
The month with the lowest relative humidity is August (54%).
Average rainfall in January
Cool, TX
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is October (3.03").
The driest months (with the least rainfall) are January and December (1.18").
Average rainfall days in January
Cool, TX
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is May (12.7 days).
The month with the least rainy days is January (5.5 days).
Average snowfall in January
Cool, TX
- Average snowfall in January: 0.12"
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
Cool, TX
- Average snowfall days in January: 0.4 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
Cool, 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 3min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).
Average sunshine days in January
Cool, TX
- Average sunshine days in January: 24.4 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is May (16 days).
Average UV index in January
Cool, 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
Cool, TX
- Average cloud cover in January: 26
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in January
Cool, 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).
Cool, Texas, USA
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