Last updated: June 18, 2025
In June, the average temperature in Saint-Thomas, Canada hovers around 19°C (66°F). You can expect it to dip as low as 1°C (35°F) and peak at a warm 34°C (93°F). With an average precipitation amount of 95 mm (3.7 in) spread over 10 days, the atmosphere may feel quite humid, with an average humidity level of 74%.
In June, in Saint-Thomas, the average temperature is 19°C (66°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 1°C (35°F). It's advisable to pack a range of clothing to accommodate both warm and cool weather during your travels.
In Saint-Thomas in June, the total precipitation amount is 95 mm (3.7 in) over the course of 10 days.
In Saint-Thomas in June humidity is 74%. With an average temperature of 19°C (66°F), this humidity feels like a warm, enveloping blanket, making it ideal for leisurely outdoor exploration but potentially heavy for those not accustomed to tropical conditions.
In Saint-Thomas in June, 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 Saint-Thomas.
UV Risk Categories
Weather in Saint-Thomas varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Saint-Thomas, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (15°F) | 83 mm (3.3 inches) | 93% | low |
| February Weather | -8°C (18°F) | 82 mm (3.2 inches) | 92% | moderate |
| March Weather | -3°C (27°F) | 85 mm (3.4 inches) | 86% | moderate |
| April Weather | 5°C (42°F) | 121 mm (4.8 inches) | 85% | high |
| May Weather | 13°C (56°F) | 96 mm (3.8 inches) | 80% | very high |
| June Weather | 19°C (66°F) | 95 mm (3.7 inches) | 74% | very high |
| July Weather | 22°C (71°F) | 89 mm (3.5 inches) | 76% | very high |
| August Weather | 20°C (69°F) | 104 mm (4.1 inches) | 75% | very high |
| September Weather | 16°C (60°F) | 64 mm (2.5 inches) | 78% | high |
| October Weather | 9°C (49°F) | 124 mm (4.9 inches) | 86% | moderate |
| November Weather | 0°C (33°F) | 114 mm (4.5 inches) | 88% | moderate |
| December Weather | -6°C (21°F) | 90 mm (3.5 inches) | 89% | low |