Mount Vernon in May

7.1out of 10

Possible, with caveats

Mild: highs around 22°C. Frequent rain: about 14 rainy days.

22°CAvg high
12°CAvg low
14Rainy days (113 mm)
14:15 hDaylight
06:19Sunrise · 20:33 Sunset

Why this score

  • Mild: highs around 22°C
  • Frequent rain: about 14 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 (±3.3 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

2° -6° J 4° -4° F 9° 0° M 17° 6° A 22° 12° M 26° 17° J 28° 19° J 27° 18° A 24° 14° S 17° 7° O 10° 2° N 4° -3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 2°C-6°C85 mm 11– – 3.8
February 4°C-4°C68 mm 10– – 4.5
March 9°C0°C95 mm 12– – 5.2
April 17°C6°C118 mm 13– – 6.3
May 22°C12°C113 mm 14– – 7.1
June 26°C17°C107 mm 12– – 7.3
July 28°C19°C91 mm 12– – 7.4
August 27°C18°C79 mm 10– – 7.7
September 24°C14°C77 mm 9– – 7.9
October 17°C7°C77 mm 10– – 7.0
November 10°C2°C80 mm 10– – 5.8
December 4°C-3°C84 mm 11– – 4.4

Frequently asked questions

How hot is Mount Vernon in May?

Daytime highs average 22°C and nights about 12°C.

When is the best time to visit Mount Vernon?

The best months are September, August, July.