ClimateForecastDecemberJanuary >>

Saint Thomas Climate by Month

Saint Thomas experiences great temperature shifts. The city's weather can transition from warm days to very cold weather. It also has a relatively rain/snowy climate with high levels of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

The climate in Saint Thomas is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 27°C in July to a very cold 0°C in February. Nighttime temperatures can drop, with averages reaching -8°C in February.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

Saint Thomas has a notably wet climate with abundant precipitation, recording 1079 mm of rain/snowfall per year. The wettest period in Saint Thomas occurs in June, which receives around 109 mm of precipitation. During the driest month, February, Saint Thomas experiences moderate snowfall, totaling approximately 71 mm. The consistent precipitation levels throughout the year contribute to a relatively stable climate.

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

The best time of year to visit Saint Thomas in Canada

During the months of June and September 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 is the warmest month in Saint Thomas?
    July has an average maximum temperature of 27°C and is the warmest month of the year.
  • Which is the coldest month in Saint Thomas?
    The coldest month is February with an average maximum temperature of 0°C.
  • Which is the wettest month in Saint Thomas?
    June tops the wettest month list with 109 mm of rainfall.
  • Which is the driest month in Saint Thomas?
    February is the driest month with 71 mm of precipitation.

  • 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 Thomas

    Thu   Dec 12
    -2°C | -10°C
    W 32 km/h
    1.6 mm
    almost clear and  chance of slight rain

    almost clear and chance of slight rain

    Fri   Dec 13
    -5°C | -12°C
    NW 11 km/h
    almost clear and no rain

    almost clear and no rain

    Sat   Dec 14
    1°C | -11°C
    E 18 km/h
    broken clouds and no rain

    broken clouds and no rain