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
January, on average, is the coldest month, registering a high temperature of 48°F (8.9°C) and a low of 33.3°F (0.7°C).Humidity
In January, the average relative humidity in Dennis is 77%.Rainfall
In Dennis, during January, the rain falls for 11.8 days and regularly aggregates up to 3.31" (84mm) of precipitation. In Dennis, during the entire year, the rain falls for 169.1 days and collects up to 38.11" (968mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Dennis, during January, snow falls for 2.1 days and regularly aggregates up to 0.55" (14mm) of snow. Throughout the year, there are 7.3 snowfall days, and 1.85" (47mm) of snow is accumulated.Daylight
In January, the average length of the day is 10h and 9min.On the first day of the month, sunrise is at 6:59 am and sunset at 4:53 pm. On the last day of January, sunrise is at 6:51 am and sunset at 5:20 pm CST.
Sunshine
In January, the average sunshine is 4.8h.UV index
In January, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The average daily UV index of 3 in January transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Dennis?
What is the temperature in January in Dennis?
What is the average humidity in January in Dennis?
How much does it rain in Dennis in January?
How much does it snow in Dennis in January?
What is the average length of the day in January in Dennis?
When are sunrise and sunset in January in Dennis?
How long on average sun shines in January in Dennis?
How high is the UV index in January in Dennis?
Average temperature in January
Dennis, MS
- Average high temperature in January: 48°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in January: 33.3°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in January
Dennis, 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
Dennis, MS
- Average wind speed in January: 7.5mph
The windiest month (with the highest average wind speed) is February (7.8mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in January
Dennis, MS
- Average humidity in January: 77%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Dennis, MS
- Average rainfall in January: 3.31"
The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in January
Dennis, MS
- Average rainfall days in January: 11.8 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in January
Dennis, MS
- Average snowfall in January: 0.55"
The month with the highest snowfall is February (0.59").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in January
Dennis, MS
- Average snowfall days in January: 2.1 days
The month with the highest number of snowfall days is February (2.3 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
Dennis, MS
- 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 month with the most sunshine is June (Average sunshine: 10h and 18min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in January
Dennis, MS
- Average sunshine days in January: 16.3 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in January
Dennis, MS
- Average UV index in January: 3
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Dennis, MS
- Average cloud cover in January: 48
The months with the most cloud cover are February and December (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in January
Dennis, MS
- Average visibility in January: 5mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Dennis, Mississippi, USA
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