Cool
Average highs are around 17°C, so pack for cooler days.
May verdict
Mount Vernon, Washington, United States in May
Weather score41Mixed
Mixed for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 7.4h per day, enough for a balanced month. Rainfall averages 63mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
17°C
Rain
63mm
Sun
7.4h
Weather score
41
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 63mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.4h per day, enough for a balanced month.
Map
Weather map
Compare Mount Vernon, Washington, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May17°C average high
May is close to Mount Vernon'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.
Rain
May63mm average rain
May sits on the drier side of Mount Vernon's year, which helps with sightseeing and transfers.
Driest monthsMay to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May7.4 hours average sun
May is brighter than Mount Vernon'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.
Weather score
May41 weather score
May sits close to Mount Vernon's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
