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Saint Marys (GA) Climate by Month

Saint Marys experiences great temperature shifts. The city's weather can transition from very warm days to mild weather. It also has a relatively rainy climate with high levels of precipitation. Now, let’s explore all the climate details to give you a full picture.

Average day and night temperature

The climate in Saint Marys is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 32°C in July to a moderate 18°C in January. Nighttime temperatures can drop, with averages reaching 6°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Saint Marys has a notably wet climate with abundant precipitation, recording 1192 mm of rainfall per year. The seasons in Saint Marys, bring significant changes in precipitation. The wettest month, August, receives heavy rainfall, with an average of 177 mm of precipitation. This rainfall is distributed across 18 rainy days. In contrast, the driest month, November, experiences much less rainfall, totaling 45 mm over 7 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.

The mean monthly precipitation over the year, including rain, hail and snow

Sunshine over the year

In Saint Marys, summer days are longer and more sunny, with daily sunshine hours peaking at 10.0 hours in May. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 6.0 hours.

Monthly hours of sunshine

Data from: Jacksonville, the United States of America (29 KM, 18 Miles).

Daily hours of sunshine

Data from: Jacksonville, the United States of America (29 KM, 18 Miles).

The best time of year to visit Saint Marys in the United States of America

During the months of March, April, November and December you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • Which months have the greatest rainfall in Saint Marys?
    Most rainfall (rainy season) is seen in June and August.
  • Which is the warmest month in Saint Marys?
    August has an average maximum temperature of 32°C and is the warmest month of the year.
  • Which is the coldest month in Saint Marys?
    The coldest month is January with an average maximum temperature of 18°C.
  • Which is the wettest month in Saint Marys?
    August tops the wettest month list with 177 mm of rainfall.
  • Which is the driest month in Saint Marys?
    November is the driest month with 45 mm of precipitation.
  • Which is the sunniest month in Saint Marys?
    May is the sunniest month with an average of 301 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Saint Marys (GA)

    Fri   Dec 06
    16°C | 4°C
    N 25 km/h
    almost clear and no rain

    almost clear and no rain

    Sat   Dec 07
    14°C | 4°C
    NE 14 km/h
    almost clear and no rain

    almost clear and no rain

    Sun   Dec 08
    18°C | 4°C
    S 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain