Toronto in May

7.1out of 10

Possible, with caveats

Mild: highs around 18°C. Frequent rain: about 10 rainy days.

18°CAvg high
8°CAvg low
10Rainy days (73 mm)
14:32 hDaylight
05:58Sunrise · 20:30 Sunset

Why this score

  • Mild: highs around 18°C
  • Frequent rain: about 10 rainy days

What to wear and pack

  • Layers you can add or remove
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in May varies a lot between years (±3.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

-1° -8° J 0° -8° F 5° -4° M 12° 2° A 18° 8° M 23° 14° J 26° 17° J 26° 16° A 22° 12° S 14° 6° O 8° 1° N 2° -4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -1°C-8°C60 mm 10– – 3.8
February 0°C-8°C49 mm 8– – 4.0
March 5°C-4°C57 mm 9– – 4.7
April 12°C2°C77 mm 11– – 6.0
May 18°C8°C73 mm 10– – 7.1
June 23°C14°C78 mm 11– – 7.7
July 26°C17°C70 mm 10– – 7.8
August 26°C16°C66 mm 9– – 7.9
September 22°C12°C69 mm 9– – 7.9
October 14°C6°C75 mm 10– – 6.5
November 8°C1°C66 mm 10– – 5.3
December 2°C-4°C61 mm 10– – 4.1

Frequently asked questions

How hot is Toronto in May?

Daytime highs average 18°C and nights about 8°C.

When is the best time to visit Toronto?

The best months are August, September, July, June.