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Saint Marys Weather in December

December in Saint Marys typically sees daytime highs of 20°C (68°F) and nighttime lows of 9°C (48°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the winter season.

Rainfall in Saint Marys in December

Historically, approximately 8 days this month are expected to have rain, averaging 64 mm (2.5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Saint Marys in December

Saint Marys in December has perfect weather. Days reach 20°C (68°F) and nights cool to 9°C (48°F). December is part of the winter season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Saint Marys in December

With about 181 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

If you favor pleasant temperatures and minimal rainfall, December is one of the best months to visit Saint Marys.

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For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Marys's climate page.

Saint Marys Temperature in December

Min TemperatureMin Temperature 9°C (48°F)  
Max TemperatureMax Temperature 20°C (68°F)  
Chance of RainChance of Rain 28%  
PrecipitationPrecipitation 64 mm (2.5 in)  
Rainy daysRainy days 8 days  
HumidityHumidity 76% *  
SunshineSunshine 181 hours *  
Percentage SunshinePercentage Sunshine 58% *  
* Data from: Jacksonville, the United States of America (29 KM, 18 Miles).

Best Places in the United States of America in December

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in December →

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Saint Marys in December

For Saint Marys in December, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Saint Marys in December

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
6/10
Cycling
10/10
Walking
10/10
Barbeque
7/10
Camping
4/10
Outdoor sports
10/10

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Saint Marys's climate page.

More climate data for Saint Marys