January weather forecastMcKinney, TX
January
Weather in January
January brings in the new year with the coldest temperatures, with the night mercury levels dropping to a low of 37.9°F (3.3°C) in McKinney, Texas. It marks the start of the year with extended revolving around gentle chills and occasional snowfall. The cold weather is offset by the limited number of daylight hours clocking just above 10. With a slightly overcast nature, January also experiences moderate rainfall days making it important to keep a raincoat handy while heading outside. A noticeable decrease in wind speeds compared to the forthcoming months is observed during this period.Temperature
Temperature readings in McKinney reach their annual highs in January, averaging 53.2°F (11.8°C) and a minimum average of 37.9°F (3.3°C).Humidity
In January, the average relative humidity is 67%.Rainfall
The month with the least rainfall is January, when the rain falls for 7.3 days and typically collects 1.77" (45mm) of precipitation.Snowfall
January, February, November and December are months with snowfall in McKinney. In McKinney, in January, snow falls for 0.7 days, with typically accumulated 0.2" (5mm) of snow. Throughout the year, in McKinney, there are 3.1 snowfall days, and 1.1" (28mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 15min.On the first day of the month, sunrise is at 7:29 am and sunset at 5:30 pm. On the last day of January, sunrise is at 7:22 am and sunset at 5:57 pm CST.
Sunshine
The average sunshine in January in McKinney is 5.8h.UV index
January, November 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 moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 3 in January transforms into this advice:
Exercise prevention - Precautions against solar damage are endorsed. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
McKinney, TX
- Average high temperature in January: 53.2°F
The warmest month (with the highest average high temperature) is August (94.8°F).
The month with the lowest average high temperature is January (53.2°F).
- Average low temperature in January: 37.9°F
The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (37.9°F).
Average pressure in January
McKinney, 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
McKinney, TX
- Average wind speed in January: 9.4mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest month (with the lowest average wind speed) is September (6.8mph).
Average humidity in January
McKinney, 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 (59%).
Average rainfall in January
McKinney, TX
- Average rainfall in January: 1.77"
The wettest month (with the highest rainfall) is October (4.17").
The driest month (with the least rainfall) is January (1.77").
Average rainfall days in January
McKinney, TX
- Average rainfall days in January: 7.3 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in January
McKinney, TX
- Average snowfall in January: 0.2"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in January
McKinney, TX
- Average snowfall days in January: 0.7 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
McKinney, TX
- Average daylight in January: 10h and 18min
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: 5h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in January
McKinney, TX
- Average sunshine days in January: 22.3 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is September (13.6 days).
Average UV index in January
McKinney, 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, November and December (UV index 3).
Average cloud cover in January
McKinney, TX
- Average cloud cover in January: 32
The months with the most cloud cover are February and March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in January
McKinney, 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).
