Last updated: June 18, 2025
In Saint-Nazaire, Canada, March, the average temperature hovers around -6°C (22°F). This chilly climate can see minimums plummeting to -28°C (-18°F), while the occasional warm day can rise to a maximum of 20°C (68°F). Expect 81 mm (3.2 in) of precipitation spread over about 12 days, with an average humidity level of 91%—perfect for those who love a frosty atmosphere!
In March in Saint-Nazaire, the average temperature is -6°C (22°F). Maximum temperatures can reach 20°C (68°F), while minimums can plummet to as low as -28°C (-18°F). Be prepared for a wide temperature range when traveling to Saint-Nazaire during this time.
In Saint-Nazaire in March, the precipitation amount is 81 mm (3.2 in) over a span of 12 days.
In Saint-Nazaire in March humidity is 91%. With an average temperature of -6°C (22°F), this humidity feels like a biting chill that seeps into your bones, making outdoor activities uncomfortable and travel challenging as the air feels dense and heavy, potentially making it more difficult to breathe and leaving a frosty mist on your skin.
In Saint-Nazaire in March, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Saint-Nazaire.
UV Risk Categories
Weather in Saint-Nazaire varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Saint-Nazaire, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -13°C (9°F) | 66 mm (2.6 inches) | 96% | low |
| February Weather | -12°C (11°F) | 59 mm (2.3 inches) | 94% | moderate |
| March Weather | -6°C (22°F) | 81 mm (3.2 inches) | 91% | moderate |
| April Weather | 2°C (36°F) | 86 mm (3.4 inches) | 90% | high |
| May Weather | 10°C (51°F) | 95 mm (3.7 inches) | 80% | very high |
| June Weather | 16°C (61°F) | 83 mm (3.3 inches) | 73% | very high |
| July Weather | 20°C (68°F) | 122 mm (4.8 inches) | 81% | very high |
| August Weather | 18°C (65°F) | 116 mm (4.6 inches) | 84% | very high |
| September Weather | 13°C (56°F) | 125 mm (4.9 inches) | 85% | high |
| October Weather | 7°C (44°F) | 123 mm (4.8 inches) | 89% | moderate |
| November Weather | -1°C (30°F) | 99 mm (3.9 inches) | 91% | low |
| December Weather | -10°C (15°F) | 77 mm (3.0 inches) | 97% | low |