Calstock, Ontario
Area Remote northern Ontario community near waterways
Best Time to Visit Calstock, Ontario #
Weather & Climate near Calstock, Ontario #
Calstock, Ontario's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -25°C to 23°C. Moderate rainfall (823 mm/year).
January
January is the coldest month with highs of -12°C and lows of -25°C. Moderate rainfall (62 mm).
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February
February is freezing with highs of -8°C and lows of -23°C. Moderate rainfall (43 mm).
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March
March is freezing with highs of -2°C and lows of -17°C. Moderate rainfall (51 mm).
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April
April is freezing with highs of 7°C and lows of -7°C. Moderate rainfall (57 mm).
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May
May is cold with highs of 15°C and lows of 0°C. Moderate rainfall (68 mm).
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June
June is cool with highs of 21°C and lows of 6°C. Regular rainfall (82 mm).
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July
July is cool with highs of 23°C and lows of 9°C. The wettest month with 94 mm of rain.
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August
August is cool with highs of 22°C and lows of 8°C. Regular rainfall (81 mm).
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September
September is cool with highs of 16°C and lows of 4°C. Regular rainfall (86 mm).
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October
October is cold with highs of 8°C and lows of -1°C. Moderate rainfall (68 mm).
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November
November is freezing with highs of 0°C and lows of -9°C. Moderate rainfall (72 mm).
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December
December is freezing with highs of -8°C and lows of -19°C. Moderate rainfall (59 mm).