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
December's transformation into January witnesses an average high-temperature of a still fresh 50.5°F (10.3°C), noting a minor change from the preceding month. During January, McLean observes a consistent average nighttime temperature of 32°F (0°C).Humidity
In January, the average relative humidity is 54%.Rainfall
In McLean, in January, during 3 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. In McLean, during the entire year, the rain falls for 93.9 days and collects up to 17.17" (436mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in McLean. January is the month with the most snowfall. Snow falls for 2.1 days and accumulates 1.93" (49mm) of snow.Daylight
The average length of the day in January is 10h and 6min.On the first day of the month, sunrise is at 7:50 am and sunset at 5:40 pm. On the last day of January, sunrise is at 7:42 am and sunset at 6:09 pm CST.
Sunshine
In McLean, the average sunshine in January is 7.4h.UV index
In McLean, the average daily maximum UV index in January is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: An average UV index of 3 in January transforms into this advice:
Undertake precautions - Guarding against sun damage is counselled. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for McLean in January?
What is the average humidity in January?
How much does it rain in January?
What is the snowiest month?
How much does it snow in January?
What is the average length of the day in January?
When are sunrise and sunset in January?
How long on average sun shines in January in McLean?
What is the UV index reading in January in McLean?
Average temperature in January
McLean, TX
- Average high temperature in January: 50.5°F
The warmest month (with the highest average high temperature) is July (94.1°F).
The month with the lowest average high temperature is December (50°F).
- Average low temperature in January: 32°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (32°F).
Average pressure in January
McLean, TX
- Average pressure in January: 30.14"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in January
McLean, TX
- Average wind speed in January: 10.6mph
The windiest month (with the highest average wind speed) is April (13.9mph).
The calmest month (with the lowest average wind speed) is August (10.1mph).
Average humidity in January
McLean, TX
- Average humidity in January: 54%
The month with the highest relative humidity is September (57%).
The month with the lowest relative humidity is August (49%).
Average rainfall in January
McLean, TX
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is May (2.56").
The driest months (with the least rainfall) are February and November (0.59").
Average rainfall days in January
McLean, TX
- Average rainfall days in January: 3 days
The months with the highest number of rainy days are July and August (11.3 days).
The month with the least rainy days is January (3 days).
Average snowfall in January
McLean, TX
- Average snowfall in January: 1.93"
The month with the highest snowfall is January (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in January
McLean, TX
- Average snowfall days in January: 2.1 days
The month with the highest number of snowfall days is February (3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
McLean, TX
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January: 7h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).
Average sunshine days in January
McLean, TX
- Average sunshine days in January: 25.8 days
The month with the most sunshine days is January (25.8 days).
The month with the least sunshine days is September (16.4 days).
Average UV index in January
McLean, TX
- Average UV index in January: 3
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 2).
Average cloud cover in January
McLean, TX
- Average cloud cover in January: 20
The month with the most cloud cover is April (Cloud cover 26).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in January
McLean, 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).
McLean, Texas, USA
Weather forecast for your location
2. Allow the app to use your location