Mild
Average highs are around 24°C, so days are mild rather than hot.
May verdict
Good for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 8.7h per day, so bright days are a strong part of the month. Rainfall averages 87mm, so some wet days are possible.

Monthly averages
Temp
24°C
Rain
87mm
Sun
8.7h
Weather score
67
Good
Mild
Average highs are around 24°C, so days are mild rather than hot.
Showers
Rainfall averages 87mm, so some wet days are possible.
Bright
Sunshine averages 8.7h per day, so bright days are a strong part of the month.
Map
Compare Portsmouth, Virginia, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
May24°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.
May87mm average rain
May sits near Portsmouth's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to June and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
May8.7 hours average sun
May is brighter than Portsmouth's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsApril to August
This stretch has the strongest sunshine in the monthly averages.
May67 weather score
May scores above Portsmouth's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
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