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
With average temperatures fluctuating between a high of 51.4°F (10.8°C) and a low of 36.1°F (2.3°C), January stands out as the coldest month.Humidity
In January, the average relative humidity is 77%.Rainfall
In Weir, in January, it is raining for 11.3 days, with typically 3.39" (86mm) of accumulated precipitation. Throughout the year, there are 163.9 rainfall days, and 36.54" (928mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. The month with the most snowfall in Weir is January, when snow falls for 1.3 days and typically aggregates up to 0.67" (17mm) of snow.Daylight
In January, the average length of the day is 10h and 15min.On the first day of January, sunrise is at 7:00 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 5:27 pm CST.
Sunshine
In Weir, the average sunshine in January is 5.2h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 in January translates into this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
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 January temperatures in Weir?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How many hours of sunshine does Weir have in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Weir, MS
- Average high temperature in January: 51.4°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in January: 36.1°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in January
Weir, MS
- 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 (29.96"Hg).
Average wind speed in January
Weir, MS
- Average wind speed in January: 7.3mph
The windiest months (with the highest average wind speed) are February and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in January
Weir, MS
- Average humidity in January: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Weir, MS
- Average rainfall in January: 3.39"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in January
Weir, MS
- Average rainfall days in January: 11.3 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is November (8.9 days).
Average snowfall in January
Weir, MS
- Average snowfall in January: 0.67"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Weir, MS
- Average snowfall days in January: 1.3 days
The months with the highest number of snowfall days are January and 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
Weir, MS
- Average daylight in January: 10h and 1min
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 1min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in January
Weir, MS
- Average sunshine days in January: 17 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in January
Weir, MS
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in January
Weir, MS
- Average cloud cover in January: 44
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 28).
Average visibility in January
Weir, MS
- 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).
Weir, Mississippi, USA
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