January weather forecastChatham, LA
January
Weather in January
January, like December, in Chatham, Louisiana, is another fresh winter month, with an average temperature varying between 54.1°F (12.3°C) and 38.7°F (3.7°C).Temperature
In Chatham, the lowest average temperatures are observed in January, with a high of 54.1°F (12.3°C) and a low of 38.7°F (3.7°C).Humidity
In January, the average relative humidity is 79%.Rainfall
In January, the rain falls for 10.5 days. Throughout January, 2.87" (73mm) of precipitation is accumulated. In Chatham, during the entire year, the rain falls for 153.4 days and collects up to 35.08" (891mm) of precipitation.Snowfall
Months with snowfall in Chatham are January, February and December. In Chatham, in January, snow falls for 0.6 days, with typically accumulated 0.12" (3mm) of snow. In Chatham, during the entire year, snow falls for 1.6 days and aggregates up to 0.35" (9mm) of snow.Daylight
The average length of the day in January is 10h and 19min.On the first day of January, sunrise is at 7:10 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:41 pm CST.
Sunshine
The average sunshine in January is 5.1h.UV index
The months with the lowest UV index in Chatham are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 in January translates into these instructions:
Take precautions - Protection against sun damage is advised. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Chatham, LA
- Average high temperature in January: 54.1°F
The warmest month (with the highest average high temperature) is July (94.3°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in January: 38.7°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in January
Chatham, LA
- 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 (29.94"Hg).
Average wind speed in January
Chatham, LA
- Average wind speed in January: 6.2mph
The windiest month (with the highest average wind speed) is April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in January
Chatham, LA
- Average humidity in January: 79%
The months with the highest relative humidity are February and December (82%).
The months with the lowest relative humidity are August and October (71%).
Average rainfall in January
Chatham, LA
- Average rainfall in January: 2.87"
The wettest month (with the highest rainfall) is April (3.78").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in January
Chatham, LA
- Average rainfall days in January: 10.5 days
The month with the highest number of rainy days is July (15.7 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in January
Chatham, LA
- Average snowfall in January: 0.12"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in January
Chatham, LA
- Average snowfall days in January: 0.6 days
The months with the highest number of snowfall days are January and February (0.6 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
Chatham, LA
- Average daylight in January: 10h and 18min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in January
Chatham, LA
- Average sunshine days in January: 17.9 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (12.9 days).
Average UV index in January
Chatham, LA
- Average UV index in January: 3
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in January
Chatham, LA
- Average cloud cover in January: 44
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in January
Chatham, LA
- Average visibility in January: 5mi
The months with the highest visibility are June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May and December (5mi).





