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Saint Thomas Weather in August
In Saint Thomas, August brings high daytime temperatures around 26°C (79°F), with nights cooling to 17°C (63°F). Expect quite a bit of rainfall this month.
Rainfall in Saint Thomas in August
You can expect rain on roughly 10 days based on historical data, averaging 87 mm (3.4 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Saint Thomas in August
If you're visiting Saint Thomas in August, expect excellent temperatures with highs of 26°C (79°F) and overnight lows of 17°C (63°F). August is part of the summer season. Overall, the month follows a fairly predictable daily temperature pattern. At 17°C (63°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Saint Thomas Temperature in August
Min Temperature
17°C (63°F)
Max Temperature
26°C (79°F)
Chance of Rain
34%
Precipitation
87 mm (3.4 in)
Rainy days
10 days
Saint Thomas Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Thomas - and find the best time to visit.
Best Places in Canada in August
Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in August →
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 Thomas in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho.
What To Do in Saint Thomas in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping8/10 -
Outdoor sports7/10
Saint Thomas 3-Day Forecast
More climate data for Saint Thomas
See the full Saint Thomas climate overview or explore weather in Canada.
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Where to go in August - average daytime high across popular destinations.
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