Oswego in May

7.2out of 10

Possible, with caveats

Mild: highs around 22°C. Frequent rain: about 13 rainy days.

22°CAvg high
11°CAvg low
13Rainy days (118 mm)
14:21 hDaylight
05:39Sunrise · 20:00 Sunset

Why this score

  • Mild: highs around 22°C
  • Frequent rain: about 13 rainy days

What to wear and pack

  • Layers you can add or remove
  • A light jacket for cooler evenings
  • Rain jacket or compact umbrella

How reliable is the forecast?

Rain in May varies a lot between years (±3.8 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

0° -8° J 2° -6° F 9° -1° M 16° 5° A 22° 11° M 27° 17° J 29° 19° J 27° 18° A 24° 13° S 17° 7° O 9° 1° N 3° -5° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 0°C-8°C54 mm 8– – 4.0
February 2°C-6°C50 mm 7– – 4.5
March 9°C-1°C68 mm 10– – 5.5
April 16°C5°C112 mm 12– – 6.3
May 22°C11°C118 mm 13– – 7.2
June 27°C17°C109 mm 12– – 7.4
July 29°C19°C95 mm 11– – 7.6
August 27°C18°C92 mm 10– – 7.7
September 24°C13°C77 mm 9– – 7.9
October 17°C7°C80 mm 9– – 7.1
November 9°C1°C64 mm 8– – 5.8
December 3°C-5°C55 mm 8– – 4.4

Frequently asked questions

How hot is Oswego in May?

Daytime highs average 22°C and nights about 11°C.

When is the best time to visit Oswego?

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