Welland weather
Best months for weather: May–Sep. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Welland, Ontario, Canada.
Best Time to Visit
Peak season May–SepOff season Nov–Apr
Welland weather by month
When is the best time to visit Welland?
Based on weather alone, the best time to visit Welland is May–Sep, according to NASA's 2001–2025 climate averages. Nov–Apr tends to be the least pleasant. Average highs run from 0°C (31°F) in January to 26°C (80°F) in July.
What is the rainiest month in Welland?
October is the wettest month, with about 89 mm (3.5 in) of rain on average. February is the driest, with about 51 mm (2.0 in).
What is the hottest month in Welland?
July is the warmest, with average highs of 26°C (80°F) and lows of 19°C (65°F). January is the coolest, with highs of 0°C (31°F) and lows of -6°C (22°F).
Does Welland have a rainy season?
Not a strong one. No month averages more than 150 mm of rain; the wettest is October at about 89 mm (3.5 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