Rochester weather
Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Rochester, New Hampshire, United States.
Best Time to Visit
Peak season May–SepOff season Nov–Mar
Rochester weather by month
When is the best time to visit Rochester?
Based on weather alone, the best time to visit Rochester is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Mar tends to be the least pleasant. Average highs run from -3°C (27°F) in January to 26°C (78°F) in July.
What is the rainiest month in Rochester?
October is the wettest month, with about 129 mm (5.1 in) of rain on average. January is the driest, with about 70 mm (2.8 in).
What is the hottest month in Rochester?
July is the warmest, with average highs of 26°C (78°F) and lows of 16°C (60°F). January is the coolest, with highs of -3°C (27°F) and lows of -12°C (11°F).
Does Rochester have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is October at about 129 mm (5.1 in).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months