Cool
Average highs are around 17°C, so pack for cooler days.
October verdict
Portsmouth, New Hampshire, United States in October
Weather score28Poor
Poor for holiday weather
Average highs are around 17°C, so pack for cooler days. Sunshine averages 6.2h per day, enough for a balanced month. Rainfall averages 94mm, so some wet days are possible.
October weather
Monthly averages
Temp
17°C
Rain
94mm
Sun
6.2h
Sea
13°C
Weather score
28
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 94mm, so some wet days are possible.
Some sun
Sunshine averages 6.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 13°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
October17°C average high
October is close to Portsmouth'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
October94mm average rain
October sits near Portsmouth's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to October
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
October6.2 hours average sun
October sits close to Portsmouth's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
October13°C average sea
October is close to Portsmouth's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJuly to September
Sea temperatures are usually near 18°C in this stretch, so swimming comfort is at its strongest.
Weather score
October28 weather score
October scores below Portsmouth's yearly average, so the weather trade-offs are more noticeable.
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