Lowell in May

7.4out of 10

Possible, with caveats

Mild: highs around 20°C. Frequent rain: about 11 rainy days.

20°CAvg high
10°CAvg low
11Rainy days (78 mm)
14:26 hDaylight
05:29Sunrise · 19:54 Sunset

Why this score

  • Mild: highs around 20°C
  • Frequent rain: about 11 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 (±3.4 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

1° -7° J 3° -6° F 7° -2° M 14° 4° A 20° 10° M 25° 15° J 28° 18° J 27° 17° A 23° 13° S 16° 7° O 10° 2° N 4° -3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 1°C-7°C81 mm 9– – 4.0
February 3°C-6°C76 mm 9– – 4.3
March 7°C-2°C103 mm 10– – 5.0
April 14°C4°C95 mm 10– – 6.4
May 20°C10°C78 mm 11– – 7.4
June 25°C15°C88 mm 11– – 7.6
July 28°C18°C82 mm 10– – 7.7
August 27°C17°C84 mm 9– – 7.8
September 23°C13°C84 mm 8– – 8.0
October 16°C7°C96 mm 9– – 6.8
November 10°C2°C86 mm 9– – 5.8
December 4°C-3°C105 mm 10– – 4.4

Frequently asked questions

How hot is Lowell in May?

Daytime highs average 20°C and nights about 10°C.

When is the best time to visit Lowell?

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