St. Thomas weather in May 2026

Mon
Tue
Wed
Thu
Fri
Sat
Sun
26 April
+13°+5°
27 April
+12°+5°
28 April
+12°+5°
29 April
+14°+6°
30 April
+16°+9°
1 May
+16°+10°
2 May
+17°+10°
3 May
+16°+9°
4 May
+16°+8°
5 May
+16°+8°
6 May
+15°+8°
7 May
+16°+8°
8 May
+16°+8°
9 May
+16°+9°
10 May
+16°+7°
11 May
+17°+9°
12 May
+16°+9°
13 May
+17°+9°
14 May
+18°+10°
15 May
+18°+8°
16 May
+17°+9°
17 May
+19°+10°
18 May
+21°+11°
19 May
+21°+12°
20 May
+21°+13°
21 May
+20°+13°
22 May
+21°+12°
23 May
+21°+12°
24 May
+22°+13°
25 May
+23°+14°
26 May
+22°+14°
27 May
+23°+15°
28 May
+24°+16°
29 May
+24°+16°
30 May
+23°+15°
* weather forecast is calculated based on historical data over the past 70 years

May in St. Thomas

Max. temperature +30.5°C
Min. temperature -1.6°C
Monthly precipitation 46.04mm
Wind speed 23.89m/s
  • Max. temp…
  • Min. temp…

Forecast in other regions

Toronto
+23°
Montreal
+18°
Vancouver
+16°
Calgary
+11°
Edmonton
+14°
Ottawa
+20°
Winnipeg
+15°
Edmundston
+14°
Hamilton
+22°
Mississauga
+23°
Brampton
+22°
Kitchener
+21°
Quebec
+14°
Halifax
+15°
Laval
+19°
Surrey
+16°
Victoria
+17°
London
+22°
Markham
+22°
Windsor
+25°
All cities