Saint Mary's County (California)
December
Weather in Saint Mary's County, Maryland for December 2026
Your guide to Saint Mary's County weather in December - trends and predictions
Saint Mary's County experiences moderate rainfall in December, with an average of 8 rainy days and a total precipitation of 136.7 mm.
Is December a good time to visit Saint Mary's County? check out the best time to travel to Saint Mary's County page.
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Rain 🌧️
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23
Dry days
8
Rainy days
0
Snow days
6°/1°
Temperatures
24 km/h
Avg max wind
71 %
Avg humidity
Saint Mary's County Weather December
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Temperatures trend during December in Saint Mary's County
See the weather trend as well as the moving average line
December weather in Saint Mary's County day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Dec. 1 |  Overcast | 6° /1° | 0.1 mm | 0 cm | |
| Dec. 2 |  Heavy rain | 8° /1° | 28.2 mm | 0 cm | |
| Dec. 3 |  Sunny | 6° /0° | 0 mm | 0 cm | |
| Dec. 4 |  Partly cloudy | 7° /0° | 0 mm | 0 cm | |
| Dec. 5 |  Moderate rain | 4° /-1° | 10 mm | 0 cm | |
| Dec. 6 | Sunny | 5° /1° | 0 mm | 0 cm | |
| Dec. 7 | Partly cloudy | 5° /1° | 0 mm | 0 cm | |
| Dec. 8 | Overcast | 8° /1° | 0 mm | 0 cm | |
| Dec. 9 |  Patchy rain possible | 8° /2° | 0.8 mm | 0 cm | |
| Dec. 10 |  Light rain | 11° /4° | 2.7 mm | 0 cm | |
| Dec. 11 | Heavy rain | 10° /2° | 37.8 mm | 0 cm | |
| Dec. 12 | Sunny | 4° /1° | 0 mm | 0 cm | |
| Dec. 13 |  Cloudy | 6° /1° | 0 mm | 0 cm | |
| Dec. 14 |  Light snow | 4° /-2° | 5.1 mm | 2.1 cm | |
| Dec. 15 | Patchy rain possible | 4° /-2° | 1.1 mm | 0 cm | |
| Dec. 16 | Patchy rain possible | 8° /3° | 2.2 mm | 0 cm | |
| Dec. 17 | Overcast | 12° /6° | 0 mm | 0 cm | |
| Dec. 18 | Overcast | 10° /4° | 0.6 mm | 0 cm | |
| Dec. 19 | Moderate rain | 11° /3° | 12.7 mm | 0 cm | |
| Dec. 20 | Patchy rain possible | 4° /1° | 0.3 mm | 0 cm | |
| Dec. 21 | Overcast | 6° /1° | 0 mm | 0 cm | |
| Dec. 22 | Sunny | 3° /-2° | 0 mm | 0 cm | |
| Dec. 23 | Cloudy | 4° /0° | 0 mm | 0 cm | |
| Dec. 24 | Patchy rain possible | 5° /3° | 0.2 mm | 0 cm | |
| Dec. 25 | Light rain | 5° /2° | 8.6 mm | 0 cm | |
| Dec. 26 | Cloudy | 4° /0° | 0 mm | 0 cm | |
| Dec. 27 | Light rain | 5° /1° | 5.7 mm | 0 cm | |
| Dec. 28 | Patchy rain possible | 8° /3° | 1.9 mm | 0 cm | |
| Dec. 29 | Light rain | 13° /6° | 9.1 mm | 0 cm | |
| Dec. 30 |  Moderate or heavy rain shower | 8° /3° | 9.4 mm | 0 cm | |
| Dec. 31 | Cloudy | 7° /3° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Saint Mary's 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 Saint Mary's County forecast closer to your planned date for the most up-to-date weather information.
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Saint Mary's County in December - FAQ
What are the expected maximum and minimum temperatures in Saint Mary's County during December?
Prepare for cooler days with highs just around 6° and colder nights, dipping below 1°.
How much rainfall should be expected in Saint Mary's County during December?
Significant rainfall exceeding 136.7 mm is expected in Saint Mary's County during December, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Saint Mary's County in December 2026?
Saint Mary's County typically sees 2.1 cm of snowfall during December.
What are the typical wind conditions in Saint Mary's County during December?
The average wind speed in Saint Mary's County during December is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
Saint Mary's County snow forecast December 2026
Track daily snowfall levels and discover Saint Mary's County’s snowy potential this December ❄️
December rainfall patterns in Saint Mary's County
Explore the daily rainfall trends and prepare for Saint Mary's Countys December weather 💧
Typically, Saint Mary's County has 8 rainy days in December with a total of 136.7 mm of rainfall.
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