Last updated: June 18, 2025
In Joliette, Canada, the average temperature in May hovers around 13°C (56°F). While you may enjoy mild days, be prepared for a temperature range that can dip to a chilly -3°C (27°F) or soar up to a sweltering 35°C (96°F). This month sees an average precipitation of 95 mm (3.8 in) spread over 11 days, contributing to a fairly high humidity level of around 80%. Whether you're exploring the outdoors or cozying up indoors, this diverse weather pattern promises a unique experience!
In May in Joliette, the average temperature is 13°C (56°F), with maximums reaching 35°C (96°F) and minimums dropping as low as -3°C (27°F). Be prepared for varying weather conditions if you plan to travel during this time.
In Joliette in May, the precipitation amount is 95 mm (3.8 in) spread over 11 days.
In Joliette in May humidity is 80%. With average temperature 13°C (56°F) this humidity feels like a damp chill that seeps into your bones, making outdoor exploration more challenging and necessitating layered clothing for comfort.
In Joliette in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Joliette.
UV Risk Categories
Weather in Joliette varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Joliette, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (15°F) | 82 mm (3.2 inches) | 93% | low |
| February Weather | -8°C (18°F) | 82 mm (3.2 inches) | 92% | moderate |
| March Weather | -3°C (27°F) | 84 mm (3.3 inches) | 86% | moderate |
| April Weather | 5°C (41°F) | 120 mm (4.7 inches) | 85% | high |
| May Weather | 13°C (56°F) | 95 mm (3.8 inches) | 80% | very high |
| June Weather | 18°C (65°F) | 90 mm (3.5 inches) | 74% | very high |
| July Weather | 22°C (71°F) | 84 mm (3.3 inches) | 76% | very high |
| August Weather | 20°C (68°F) | 95 mm (3.7 inches) | 75% | very high |
| September Weather | 15°C (60°F) | 64 mm (2.5 inches) | 78% | high |
| October Weather | 9°C (48°F) | 119 mm (4.7 inches) | 86% | moderate |
| November Weather | 0°C (32°F) | 110 mm (4.4 inches) | 88% | moderate |
| December Weather | -6°C (21°F) | 88 mm (3.4 inches) | 89% | low |