December weather forecastDiamondhead, MS
December
Weather in December
December ushers in winter, noticeable through the drop in temperatures that fall between the ranges of 50.7°F (10.4°C) to 62.1°F (16.7°C) in Diamondhead. The continuation of shorter daylight hours and a relative increase in humidity to 79% characteristically signal the arrival of colder months. Heightened cloud cover standing at 44% makes for comparatively dull days. Despite decreased temperature, the average wind speed slightly rises to 8.6mph (13.8km/h), and gusts reach up to 13.7mph (22km/h), sprinkling a certain chill in the air to wrap up the year.Temperature
With the onset of December, the average high-temperature subtly recedes from November's pleasant 68.2°F (20.1°C) to an enjoyable 62.1°F (16.7°C). Diamondhead's nights in December experience an average temperature drop to a cool 50.7°F (10.4°C).Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
In December, the rain falls for 8.3 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In Diamondhead, during the entire year, the rain falls for 131.5 days and collects up to 12.01" (305mm) of precipitation.Snowfall
February through December are months without snowfall in Diamondhead.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:37 am and sunset at 4:56 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 5:07 pm CST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index in Diamondhead are January, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The daily high UV index of 4 in December translates into this advice:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Diamondhead, MS
- Average high temperature in December: 62.1°F
The warmest month (with the highest average high temperature) is August (89.2°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in December: 50.7°F
The month with the highest average low temperature is August (77.9°F).
The coldest month (with the lowest average low temperature) is January (46.4°F).
Average pressure in December
Diamondhead, MS
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Diamondhead, MS
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in December
Diamondhead, MS
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Diamondhead, MS
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is August (2.2").
The driest month (with the least rainfall) is March (0.51").
Average rainfall days in December
Diamondhead, MS
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is August (19.1 days).
The month with the least rainy days is November (4.9 days).
Average snowfall days in December
Diamondhead, MS
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Diamondhead, MS
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Diamondhead, MS
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is August (8 days).
Average UV index in December
Diamondhead, MS
- Average UV index in December: 4
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, November and December (UV index 4).
Average cloud cover in December
Diamondhead, MS
- Average cloud cover in December: 44
The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).
Average visibility in December
Diamondhead, MS
- Average visibility in December: 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).
