Olympia in May

7.1out of 10

Possible, with caveats

Mild: highs around 18°C. Frequent rain: about 11 rainy days.

18°CAvg high
9°CAvg low
11Rainy days (75 mm)
14:51 hDaylight
05:42Sunrise · 20:34 Sunset

Why this score

  • Mild: highs around 18°C
  • Frequent rain: about 11 rainy days
  • Rain varies a lot between years (±4.6 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 (±4.6 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° 3° J 9° 3° F 12° 5° M 15° 6° A 18° 9° M 21° 11° J 25° 13° J 25° 13° A 22° 11° S 16° 8° O 10° 5° N 7° 3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 8°C3°C194 mm 18– – 3.9
February 9°C3°C137 mm 14– – 4.9
March 12°C5°C160 mm 17– – 4.8
April 15°C6°C121 mm 15– – 5.7
May 18°C9°C75 mm 11– – 7.1
June 21°C11°C46 mm 8– – 7.9
July 25°C13°C16 mm 3– – 8.7
August 25°C13°C26 mm 4– – 8.6
September 22°C11°C54 mm 7– – 8.2
October 16°C8°C129 mm 13– – 6.1
November 10°C5°C212 mm 18– – 4.2
December 7°C3°C205 mm 17– – 3.8

Frequently asked questions

How hot is Olympia in May?

Daytime highs average 18°C and nights about 9°C.

When is the best time to visit Olympia?

The best months are July, August, September.