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 period tends to be January, when average temperatures fluctuate between a high of 48.2°F (9°C) and a low of 33.4°F (0.8°C).Humidity
In January, the average relative humidity is 76%.Rainfall
In Grayson, in January, it is raining for 11.7 days, with typically 3.82" (97mm) of accumulated precipitation. In Grayson, during the entire year, the rain falls for 176.4 days and collects up to 43.19" (1097mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Grayson, in January, during 1.9 snowfall days, 0.51" (13mm) of snow is typically accumulated. Throughout the year, there are 6.6 snowfall days, and 1.73" (44mm) of snow is accumulated.Daylight
The average length of the day in January is 10h and 10min.On the first day of January, sunrise is at 6:55 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 5:17 pm CST.
Sunshine
In January, the average sunshine is 4.8h.UV index
In Grayson, 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 radiation for the average person.Note: The daily high UV index of 3 during January translates into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking 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 part of the year is the coldest?
What are the temperatures in January?
What is the average humidity in January?
How many days does it rain in January?
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?
What is the UV index reading in January?
Average temperature in January
Grayson, AL
- Average high temperature in January: 48.2°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (48.2°F).
- Average low temperature in January: 33.4°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in January
Grayson, AL
- Average pressure in January: 30.17"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in January
Grayson, AL
- Average wind speed in January: 8.3mph
The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest month (with the lowest average wind speed) is July (4.9mph).
Average humidity in January
Grayson, AL
- Average humidity in January: 76%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Grayson, AL
- Average rainfall in January: 3.82"
The wettest month (with the highest rainfall) is December (4.49").
The driest month (with the least rainfall) is November (2.36").
Average rainfall days in January
Grayson, AL
- Average rainfall days in January: 11.7 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in January
Grayson, AL
- Average snowfall in January: 0.51"
The month with the highest snowfall is February (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Grayson, AL
- Average snowfall days in January: 1.9 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Grayson, AL
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 4h and 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in January
Grayson, AL
- Average sunshine days in January: 16.9 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in January
Grayson, AL
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Grayson, AL
- Average cloud cover in January: 48
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in January
Grayson, AL
- 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).
Grayson, Alabama, USA
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