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 excellent 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.