Weather in Portsmouth in May
Portsmouth temperatures in May range from 14 to 25 and there is an average of 15 days of rain.
Avg Temp
14° - 25°
Avg Rainy Days
15
Avg Dry Days
16
Avg Snow Days
0
Weather Facts - Portsmouth in May
* The warmest temperature recorded in in May is 37°C
* The coldest temperature recorded in Portsmouth in May is 4°C
* The average rainfall in Portsmouth in May is 84 mm