Last updated: June 18, 2025
In May, the average temperature in Brownsburg-Chatham, Canada is a comfortable 13°C (55°F), but be prepared for a wide range as it can dip to a chilly -3°C (27°F) or soar to a scorching 35°C (94°F). Expect 112 mm (4.4 in) of precipitation over 12 days, adding a touch of wetness to the month, while the average humidity lingers around a balmy 80%.
In May in Brownsburg-Chatham, the average temperature is 13°C (55°F), with maximums reaching up to 35°C (94°F) and minimums dropping as low as -3°C (27°F). Travelers should be prepared for a wide range of temperatures during their visit.
In Brownsburg-Chatham in May, the total precipitation amount is 112 mm (4.4 in), falling over the course of 12 days.
In Brownsburg-Chatham in May humidity is 80%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making any outdoor activity feel stifling and heavy, which can lead to fatigue for travelers unaccustomed to such moist conditions.
In Brownsburg-Chatham 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 Brownsburg-Chatham.
UV Risk Categories
Weather in Brownsburg-Chatham varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Brownsburg-Chatham, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (15°F) | 84 mm (3.3 inches) | 93% | low |
| February Weather | -8°C (18°F) | 88 mm (3.5 inches) | 92% | moderate |
| March Weather | -3°C (26°F) | 91 mm (3.6 inches) | 86% | moderate |
| April Weather | 5°C (41°F) | 113 mm (4.5 inches) | 85% | high |
| May Weather | 13°C (55°F) | 112 mm (4.4 inches) | 80% | very high |
| June Weather | 18°C (64°F) | 105 mm (4.1 inches) | 74% | very high |
| July Weather | 21°C (70°F) | 127 mm (5.0 inches) | 76% | very high |
| August Weather | 19°C (67°F) | 108 mm (4.2 inches) | 75% | very high |
| September Weather | 15°C (59°F) | 93 mm (3.7 inches) | 78% | high |
| October Weather | 8°C (47°F) | 131 mm (5.2 inches) | 86% | moderate |
| November Weather | 0°C (32°F) | 108 mm (4.3 inches) | 88% | moderate |
| December Weather | -6°C (21°F) | 93 mm (3.7 inches) | 89% | low |