Oshawa in May
7.1out of 10
Possible, with caveats
Mild: highs around 19°C. Frequent rain: about 11 rainy days.
19°CAvg high
9°CAvg low
11Rainy days (77 mm)
14:33 hDaylight
05:55Sunrise · 20:28 Sunset
Why this score
- Mild: highs around 19°C
- Frequent rain: about 11 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 (±3.2 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
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -2°C | -10°C | 65 mm | 10 | – | – | 3.7 |
| February | -1°C | -9°C | 52 mm | 8 | – | – | 4.0 |
| March | 5°C | -4°C | 60 mm | 10 | – | – | 4.5 |
| April | 12°C | 2°C | 82 mm | 11 | – | – | 5.9 |
| May | 19°C | 9°C | 77 mm | 11 | – | – | 7.1 |
| June | 24°C | 14°C | 89 mm | 11 | – | – | 7.6 |
| July | 26°C | 17°C | 83 mm | 11 | – | – | 7.6 |
| August | 25°C | 16°C | 80 mm | 10 | – | – | 7.8 |
| September | 21°C | 12°C | 80 mm | 9 | – | – | 7.7 |
| October | 14°C | 6°C | 82 mm | 12 | – | – | 6.2 |
| November | 7°C | 0°C | 72 mm | 10 | – | – | 5.1 |
| December | 1°C | -6°C | 67 mm | 11 | – | – | 3.8 |
Frequently asked questions
How hot is Oshawa in May?
Daytime highs average 19°C and nights about 9°C.
When is the best time to visit Oshawa?
The best months are August, September, June, July.