Tri-Cities in May

8.5out of 10

Yes, a good time to go

Warm and comfortable: highs around 27°C. Some rain: about 4 rainy days.

27°CAvg high
11°CAvg low
4Rainy days (18 mm)
14:46 hDaylight
05:30Sunrise · 20:16 Sunset

Why this score

  • Warm and comfortable: highs around 27°C
  • Some rain: about 4 rainy days

What to wear and pack

  • T-shirts and light layers
  • A light jacket for cooler evenings
  • Shorts or a light skirt

How reliable is the forecast?

Rainfall in May is fairly consistent from year to year (2.1 days). Averages cover 30 years (1991–2020). Individual days can differ a lot.

Year at a glance

6° -2° J 10° 0° F 15° 3° M 21° 7° A 27° 11° M 30° 14° J 35° 18° J 34° 17° A 29° 12° S 20° 7° O 11° 2° N 5° -1° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 6°C-2°C34 mm 8– – 5.1
February 10°C0°C23 mm 6– – 6.1
March 15°C3°C23 mm 7– – 7.2
April 21°C7°C17 mm 5– – 8.3
May 27°C11°C18 mm 4– – 8.5
June 30°C14°C13 mm 3– – 8.4
July 35°C18°C4 mm 1– – 7.2
August 34°C17°C4 mm 1– – 7.5
September 29°C12°C7 mm 2– – 8.9
October 20°C7°C21 mm 5– – 8.0
November 11°C2°C29 mm 7– – 6.3
December 5°C-1°C35 mm 9– – 5.0

Frequently asked questions

How hot is Tri-Cities in May?

Daytime highs average 27°C and nights about 11°C.

When is the best time to visit Tri-Cities?

The best months are September, May, June, April.