Watertown in May

6.7out of 10

Possible, with caveats

Mild: highs around 17°C. Frequent rain: about 12 rainy days.

17°CAvg high
9°CAvg low
12Rainy days (86 mm)
14:33 hDaylight
05:43Sunrise · 20:17 Sunset

Why this score

  • Mild: highs around 17°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 (±3.8 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

-2° -9° J -1° -9° F 3° -4° M 11° 3° A 17° 9° M 22° 15° J 25° 18° J 24° 17° A 21° 13° S 14° 7° O 8° 1° N 2° -4° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -2°C-9°C86 mm 14– – 3.2
February -1°C-9°C71 mm 11– – 3.6
March 3°C-4°C82 mm 12– – 4.1
April 11°C3°C103 mm 12– – 5.5
May 17°C9°C86 mm 12– – 6.7
June 22°C15°C102 mm 12– – 7.3
July 25°C18°C106 mm 13– – 7.2
August 24°C17°C96 mm 12– – 7.4
September 21°C13°C97 mm 10– – 7.4
October 14°C7°C116 mm 13– – 5.8
November 8°C1°C98 mm 14– – 4.7
December 2°C-4°C96 mm 15– – 3.3

Frequently asked questions

How hot is Watertown in May?

Daytime highs average 17°C and nights about 9°C.

When is the best time to visit Watertown?

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