Harrison County (Biloxi)
December
Weather in Harrison County for December 2025
Your guide to Harrison County weather in December - trends and predictions
In general, the average temperature in Harrison County at the beginning of December is 15 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 17.7 °F by the end of December.
Harrison County experiences moderate rainfall in December, with an average of 9 rainy days and a total precipitation of 265 mm.
New! Chat with our AI weatherman - it’s amazing and free.
Temperatures
Rain 🌧️
More
22
Dry days
9
Rainy days
0
Snow days
16°/10°
Temperatures
17 km/h
Avg max wind
76 %
Avg humidity
Harrison County Weather December
Move between months or click on a day
| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  17° | 2  17° | 3 13° | 4 16° | 5  17° | 6 12° | |
| 7  13° | 8 18° | 9 18° | 10 19° | 11 13° | 12 13° | 13 14° |
| 14 17° | 15  18° | 16 19° | 17 19° | 18 19° | 19 16° | 20 17° |
| 21 10° | 22 14° | 23 15° | 24 15° | 25 15° | 26 17° | 27 18° |
| 28  19° | 29 20° | 30 15° | 31  20° |
You can click on date
Access Harrison County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during December in Harrison County
See the weather trend as well as the moving average line
December weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Dec. 1 | Partly cloudy | 17° /7° | 0 mm | 5 | |
| Dec. 2 | Sunny | 17° /6° | 0 mm | 5 | |
| Dec. 3 | Sunny | 13° /5° | 0 mm | 4 | |
| Dec. 4 | Partly cloudy | 16° /5° | 0 mm | 5 | |
| Dec. 5 | Moderate or heavy rain shower | 17° /10° | 24.3 mm | 4 | |
| Dec. 6 | Sunny | 12° /2° | 0 mm | 4 | |
| Dec. 7 | Overcast | 13° /3° | 0 mm | 3 | |
| Dec. 8 | Overcast | 18° /10° | 0 mm | 4 | |
| Dec. 9 | Moderate or heavy rain shower | 18° /17° | 73.4 mm | 4 | |
| Dec. 10 | Moderate or heavy rain shower | 19° /13° | 64.9 mm | 4 | |
| Dec. 11 | Sunny | 13° /6° | 1.6 mm | 4 | |
| Dec. 12 | Partly cloudy | 13° /4° | 0 mm | 4 | |
| Dec. 13 | Overcast | 14° /7° | 0 mm | 3 | |
| Dec. 14 | Overcast | 17° /12° | 0 mm | 4 | |
| Dec. 15 | Patchy rain possible | 18° /15° | 0.3 mm | 4 | |
| Dec. 16 | Overcast | 19° /16° | 0 mm | 4 | |
| Dec. 17 | Overcast | 19° /14° | 0 mm | 4 | |
| Dec. 18 | Overcast | 19° /14° | 0 mm | 4 | |
| Dec. 19 | Overcast | 16° /10° | 0 mm | 4 | |
| Dec. 20 | Partly cloudy | 17° /6° | 0 mm | 5 | |
| Dec. 21 | Sunny | 10° /2° | 0 mm | 4 | |
| Dec. 22 | Sunny | 14° /2° | 0 mm | 4 | |
| Dec. 23 | Sunny | 15° /5° | 0 mm | 5 | |
| Dec. 24 | Overcast | 15° /6° | 0 mm | 3 | |
| Dec. 25 | Moderate or heavy rain shower | 15° /12° | 24.7 mm | 4 | |
| Dec. 26 | Patchy rain possible | 17° /13° | 0.2 mm | 4 | |
| Dec. 27 | Moderate or heavy rain shower | 18° /17° | 10.7 mm | 4 | |
| Dec. 28 | Heavy rain at times | 19° /17° | 50.5 mm | 4 | |
| Dec. 29 | Moderate or heavy rain shower | 20° /14° | 14.4 mm | 5 | |
| Dec. 30 | Overcast | 15° /10° | 0 mm | 4 | |
| Dec. 31 | Fog | 20° /14° | 0 mm | 5 | |
| Next | |||||
Important Notice
Our weather forecast for Harrison County in December is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Harrison County forecast closer to your planned date for the most up-to-date weather information.
Harrison County in December - FAQ
What are the expected maximum and minimum temperatures in Harrison County during December?
Enjoy moderate daytime temperatures of up to 16° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Harrison County during December?
Significant rainfall exceeding 265 mm is expected in Harrison County during December, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Harrison County during December?
The average wind speed in Harrison County during December is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
December rainfall patterns in Harrison County
Explore the daily rainfall trends and prepare for Harrison Countys December weather 💧
Top locations in Harrison County
Select a location for an accurate weather forecast
More Locations Quick links
More Harrison County weather pages
You are here
Where is Harrison County?Get accurate weather forecasts for Harrison County, located at latitude 30.396 and longitude -88.885. Stay updated with localized weather information tailored for Harrison County.
Found a mistake?
We appreciate your attention to details. Tell us here.