When to visit
St. Thomas?

Discover the best time of year, based on historical climate, temperature, and precipitation.

St. Thomas
Ontario · Canada

The best time to visit St. Thomas is May, June, September, when the weather, flight prices, and crowds align. — predictable climate

Climate score
October
57

Mixed climate

🌥Mild

2%snow days
Rare snowfall
12%outdoor comfort
Limited outdoor comfort
10%perfect days
Rarely perfect
Significant warming— +1.6° vs. 15 years agoCooling down through the month
Temperature
8–16°C
Moderate temperature variation · Cold nights — bring layers
Feels like
6–14°C
Dry
Precipitation
87mm
Moderate rain · 12 days
Sunshine
7.1h
Mostly cloudy
Humidity (%)
76%
Dry
Annual Climate Analysis
Temperature, Rain & Feels Like
Rain
Actual Temp
Feels Like
-20°-10°0°10°20°30°40°JanFebMarAprMayJunJulAugSepOctNovDec
International eSIM

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Tourist Crowds
Monthly visitor flow
61
Shoulder season
050100JanFebMarAprMayJunJulAugSepOct61NovDec
Tours & tickets in St. Thomas
Browse tours & tickets

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Flights to St. Thomas

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Monthly Overview
Score9131635837975778557219
ClimatePolarPolarColdColdMildHumidHumidHumidPleasantMildColdCold
Temperature-5–1°C-7–2°C-1–8°C3–13°C9–19°C15–25°C17–26°C17–26°C14–22°C8–16°C2–9°C-2–4°C
Feels like-10–-3°C-12–-3°C-6–4°C-1–10°C6–19°C14–26°C18–29°C17–27°C13–22°C6–14°C-2–5°C-7–0°C
Precipitation89mm
12 days
62mm
10 days
80mm
10 days
109mm
12 days
72mm
12 days
101mm
12 days
122mm
13 days
103mm
11 days
58mm
10 days
87mm
12 days
68mm
11 days
89mm
12 days
Sunshine2.6h
☀︎ 27%
6.0h
☀︎ 56%
6.5h
☀︎ 54%
8.5h
☀︎ 63%
10.9h
☀︎ 74%
12.6h
☀︎ 82%
12.5h
☀︎ 83%
11.4h
☀︎ 82%
10.0h
☀︎ 80%
7.1h
☀︎ 64%
5.7h
☀︎ 58%
2.7h
☀︎ 30%
WindW · 20 km/hW · 22 km/hW · 21 km/hSW · 21 km/hS · 18 km/hSW · 18 km/hW · 17 km/hW · 17 km/hSW · 17 km/hW · 19 km/hW · 21 km/hSW · 21 km/h
Humidity (%)78%74%70%69%67%69%75%77%76%76%75%79%
Perfect days0%0%0%3%29%48%43%55%46%10%0%0%
Dry streak6d6d8d8d8d7d6d7d9d7d7d6d
Sunny streak4d7d9d11d16d21d23d21d15d9d7d4d
Extreme cold87%92%72%26%1%————1%34%73%
Temperature+1.4°+3.3°+3.8°+0.8°+1.5°+0.4°+0.8°+0.3°+0.7°+1.6°+1.0°+2.8°
RainfallStableStableStableStableStableStableStableStableGetting drierStableStableStable
Ideal warm days0%0%0%0%6%15%27%26%8%0%0%0%
Outdoor comfort0%0%1%4%30%41%32%41%44%12%0%0%
Dry week odds6%6%11%8%10%8%4%5%13%6%7%5%
Heavy rain2%1%2%3%2%3%4%4%3%2%2%2%
Snow days54%50%28%14%1%————2%18%42%
Muggy days————1%7%16%14%4%———
Day length9.4h10.6h12.0h13.4h14.7h15.3h15.0h13.9h12.5h11.0h9.8h9.1h
Tourist CrowdsLow seasonLow seasonLow seasonShoulder seasonShoulder seasonHigh seasonHigh seasonHigh seasonHigh seasonShoulder seasonShoulder seasonShoulder season

Frequently asked questions

What is the best time to visit St. Thomas?

The best time to visit St. Thomas is May, September, June, August, July, with temperatures between 9 °C and 26 °C. The best month is May. May is shoulder season.

What is the weather like in St. Thomas?

St. Thomas has a climate with an overall score of 4.7/10. Annual temperatures range from -7 °C to 26 °C.

What is the hottest month in St. Thomas?

The hottest month in St. Thomas is July, with average highs of 26 °C and lows of 17 °C.

What is the rainiest month in St. Thomas?

The rainiest month in St. Thomas is July, with an average of 122 mm of precipitation.

When is peak season in St. Thomas?

Peak season in St. Thomas is June, July, August, September. This is the most popular period, with the highest tourism levels and prices.

When is shoulder season in St. Thomas?

Shoulder season in St. Thomas falls in April, May, October, November, December. It offers a good balance of decent weather and lower prices compared to peak season.