Oswego in May
6.4out of 10
Possible, with caveats
Cool: highs only around 15°C. Frequent rain: about 12 rainy days.
15°CAvg high
9°CAvg low
12Rainy days (91 mm)
14:30 hDaylight
05:47Sunrise · 20:17 Sunset
Why this score
- Cool: highs only around 15°C
- Frequent rain: about 12 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 (±3.6 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 | 0°C | -5°C | 106 mm | 18 | – | – | 2.6 |
| February | 0°C | -6°C | 79 mm | 13 | – | – | 3.3 |
| March | 4°C | -2°C | 89 mm | 13 | – | – | 4.1 |
| April | 9°C | 3°C | 110 mm | 12 | – | – | 5.2 |
| May | 15°C | 9°C | 91 mm | 12 | – | – | 6.4 |
| June | 20°C | 14°C | 109 mm | 12 | – | – | 7.1 |
| July | 24°C | 19°C | 111 mm | 12 | – | – | 7.4 |
| August | 24°C | 19°C | 109 mm | 13 | – | – | 7.2 |
| September | 21°C | 15°C | 113 mm | 12 | – | – | 7.2 |
| October | 15°C | 9°C | 137 mm | 15 | – | – | 5.6 |
| November | 9°C | 4°C | 118 mm | 16 | – | – | 4.6 |
| December | 4°C | -1°C | 123 mm | 18 | – | – | 3.3 |
Frequently asked questions
How hot is Oswego in May?
Daytime highs average 15°C and nights about 9°C.
When is the best time to visit Oswego?
The best months are July, August, September, June.