Mild
Average highs are around 21°C, so days are mild rather than hot.
May verdict
Good for holiday weather
Average highs are around 21°C, so days are mild rather than hot. Sunshine averages 8.6h per day, so bright days are a strong part of the month. Rainfall averages 12mm, which is relatively low for holiday planning.

Monthly averages
Temp
21°C
Rain
12mm
Sun
8.6h
Weather score
57
Good
Mild
Average highs are around 21°C, so days are mild rather than hot.
Drier
Rainfall averages 12mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.6h per day, so bright days are a strong part of the month.
Map
Compare Yakima, Washington, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
May21°C average high
May sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
May12mm average rain
May is close to Yakima's usual rainfall pattern, with little seasonal change across the year.
Driest monthsAll year
Rainfall stays comparatively low through the year.
May8.6 hours average sun
May is brighter than Yakima's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
May57 weather score
May sits close to Yakima'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.