Cool
Average highs are around 19°C, so pack for cooler days.
May verdict
Mixed for holiday weather
Average highs are around 19°C, so pack for cooler days. Sunshine averages 8h per day, so bright days are a strong part of the month. Rainfall averages 56mm, which is relatively low for holiday planning.

Monthly averages
Temp
19°C
Rain
56mm
Sun
8h
Weather score
45
Mixed
Cool
Average highs are around 19°C, so pack for cooler days.
Drier
Rainfall averages 56mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8h per day, so bright days are a strong part of the month.
Map
Compare Olympia, Washington, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
May19°C average high
May is close to Olympia's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
May56mm average rain
May sits on the drier side of Olympia's year, which helps with sightseeing and transfers.
Driest monthsApril to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May8 hours average sun
May is brighter than Olympia's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
May45 weather score
May sits close to Olympia's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.