Weather Guide

Portsmouth (Ohio), United States Average Monthly Weather

Weather score46Mixed annual avg

Best months: July, August, June

Across the year, average daytime temperatures are around 18°C, sunshine averages 6.2h per day, and rainfall totals about 1052mm.

Annual weather

Annual averages

Temp

18°C

Rain

1052mm

Annual total

Sun

6.2h

Weather score

46

Mixed avg

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
Weather scoreWeather score

Trip feel

Warm

Average highs sit around 29°C, giving warm days by monthly-average standards.

Showers

Rainfall averages 101mm, so some wet days are possible.

Some sun

Sunshine averages 7.8h per day, enough for a balanced month.

Map

Weather map

Compare Portsmouth (Ohio), United States with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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August29°C average high

August is one of Portsmouth (Ohio)'s warmest months, with daytime heat above the yearly average.

Warmest monthsMay to September

This stretch sets the upper range for average daytime heat.

August101mm average rain

August is wetter than Portsmouth (Ohio)'s yearly average, so flexible plans matter more.

Driest monthsJanuary to February, April, June, and September to December

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

August7.8 hours average sun

August is brighter than Portsmouth (Ohio)'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.

Weather score

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August74 weather score

August is one of Portsmouth (Ohio)'s best weather-score months, combining the strongest overall balance in the yearly averages.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.

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