Warm
Average highs sit around 27°C, giving warm days by monthly-average standards.
August verdict
Portsmouth, New Hampshire, United States in August
Weather score64Good
Good for holiday weather
Average highs sit around 27°C, giving warm days by monthly-average standards. Sunshine averages 8.5h per day, so bright days are a strong part of the month. Rainfall averages 70mm, which is relatively low for holiday planning.
August weather
Monthly averages
Temp
27°C
Rain
70mm
Sun
8.5h
Sea
19°C
Weather score
64
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 70mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare Portsmouth, New Hampshire, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August27°C average high
August is one of Portsmouth's warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
August70mm average rain
August is one of Portsmouth's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August8.5 hours average sun
August is brighter than Portsmouth'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.
Sea temperature
August19°C average sea
August is one of Portsmouth's warmest sea months, when swimming comfort is usually strongest.
Warmest seaJuly to September
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
August64 weather score
August is one of Portsmouth's best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
Hotels in Portsmouth, New Hampshire, United States
Marriott
Renaissance Portsmouth-Norfolk Waterfront HotelPortsmouth, Virginia, USA
Sheraton Portsmouth Harborside HotelPortsmouth, New Hampshire, USA
AC Hotel Portsmouth Downtown/WaterfrontPortsmouth, New Hampshire, USA
Courtyard PortsmouthPortsmouth, New Hampshire, USA
Fairfield Inn Portsmouth SeacoastPortsmouth, New Hampshire, USA
Residence Inn PortsmouthPortsmouth, New Hampshire, USA