Maple Valley in May

6.6out of 10

Possible, with caveats

Mild: highs around 18°C. Frequent rain: about 14 rainy days.

18°CAvg high
8°CAvg low
14Rainy days (98 mm)
14:54 hDaylight
05:38Sunrise · 20:31 Sunset

Why this score

  • Mild: highs around 18°C
  • Frequent rain: about 14 rainy days
  • Rain varies a lot between years (±4.1 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 (±4.1 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

8° 2° J 9° 2° F 12° 3° M 15° 5° A 18° 8° M 21° 10° J 24° 12° J 25° 12° A 21° 10° S 15° 7° O 10° 4° N 7° 2° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 8°C2°C213 mm 19– – 3.7
February 9°C2°C149 mm 15– – 4.7
March 12°C3°C166 mm 19– – 4.6
April 15°C5°C137 mm 17– – 5.4
May 18°C8°C98 mm 14– – 6.6
June 21°C10°C81 mm 12– – 7.3
July 24°C12°C34 mm 7– – 8.2
August 25°C12°C41 mm 6– – 8.3
September 21°C10°C85 mm 9– – 7.8
October 15°C7°C168 mm 15– – 5.5
November 10°C4°C227 mm 19– – 4.2
December 7°C2°C206 mm 18– – 3.6

Frequently asked questions

How hot is Maple Valley in May?

Daytime highs average 18°C and nights about 8°C.

When is the best time to visit Maple Valley?

The best months are August, July, September.