Plymouth (NH) Weather and Climate: A Comprehensive Guide
The climate in Plymouth is marked by big temperature swings throughout the year.
Temperatures range from warm during the warmest months
to very cold in the cooler months.
It also has a relatively rain/snowy climate with high levels of precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
In Plymouth, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C in July to a very cold -2°C in January.
Nighttime temperatures can drop, with average lows reaching -13°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Plymouth experiences significant rain/snowfall throughout the year, averaging 1255 mm of precipitation annually. The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 141 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, January, still receives a respectable 75 mm of snowfall.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Plymouth, summer days are longer and more sunny, with daily sunshine hours peaking at 9.8 hours in July. As the darker season arrives, the brightness of the sun becomes less. November sees a soft sun for only 4.2 hours per average day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Plymouth.
The city experiences its highest humidity in September, reaching 76%. In April, the humidity drops to its lowest level at 62%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain partly cloudy and snow clear and no rainForecast for Plymouth (NH)
2 m/s
2 m/s
2 m/s
The best time of year to visit Plymouth in the United States of America
During the months of June, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The coldest season / winter is in the following months: January, February and December.
July has an average maximum temperature of 26°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of -2°C.
October tops the wettest month list with 141 mm of rainfall.
January is the driest month with 75 mm of precipitation.
July is the sunniest month with an average of 295 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
