Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
With the onset of December, Johnstons Station's average high-temperature slightly adjusts, moderately receding from November's enjoyable 66°F (18.9°C) to a still refreshing 59°F (15°C). December is noted for a mean low-temperature of 43.7°F (6.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 82%.Rainfall
In Johnstons Station, in December, it is raining for 10.7 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 151.2 rainfall days, and 17.8" (452mm) of precipitation is accumulated.Snowfall
Months with snowfall are January, March and December. The months with the most snowfall are January and December, with an average 0.12" (3mm) of accumulated snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year in Johnstons Station.On the first day of the month, sunrise is at 6:43 am and sunset at 4:58 pm. On the last day of December, in Johnstons Station, sunrise is at 7:00 am and sunset at 5:09 pm CST.
Sunshine
February and December, with an average of 4.8h of sunshine, are months with the least sunshine in Johnstons Station.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Johnstons Station. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The average daily UV index of 3 in December transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. During bright days, sunglasses that offer UVA and UVB defense are recommended. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are December temperatures in Johnstons Station?
What are the most humid months in Johnstons Station?
What is the average humidity in December in Johnstons Station?
How many days does it rain in December in Johnstons Station?
What is the snowiest month in Johnstons Station?
When does it start snowing in Johnstons Station?
What is the month with the shortest days in Johnstons Station?
How many hours of daylight does Johnstons Station have in December?
When are sunrise and sunset in December in Johnstons Station?
What are the months with the least sunshine in Johnstons Station?
How many hours of sunshine does Johnstons Station have in December?
What is the month with the lowest UV index in Johnstons Station?
What is the UV index reading in December in Johnstons Station?
Average temperature in December
Johnstons Station, MS
- Average high temperature in December: 59°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (56.7°F).
- Average low temperature in December: 43.7°F
The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (39.7°F).
Average pressure in December
Johnstons Station, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Johnstons Station, MS
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Johnstons Station, MS
- Average humidity in December: 82%
The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Johnstons Station, MS
- Average rainfall in December: 1.26"
The wettest month (with the highest rainfall) is August (2.6").
The driest month (with the least rainfall) is November (0.79").
Average rainfall days in December
Johnstons Station, MS
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (6.9 days).
Average snowfall in December
Johnstons Station, MS
- Average snowfall in December: 0.12"
The months with the highest snowfall are January and December (0.12").
The months with the least snowfall are February, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Johnstons Station, MS
- Average snowfall days in December: 0.3 days
The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Johnstons Station, MS
- Average daylight in December: 10h and 1min
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 December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in December
Johnstons Station, MS
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is October (21.6 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Johnstons Station, MS
- Average UV index in December: 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 and December (UV index 3).
Average cloud cover in December
Johnstons Station, MS
- Average cloud cover in December: 51
The months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Johnstons Station, MS
- Average visibility in December: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Johnstons Station, Mississippi, USA
Weather forecast for your location
2. Allow the app to use your location
