Last updated: June 18, 2025
In Moncton, Canada, the average temperature in March hovers around -2°C (28°F), with minimums plummeting to -20°C (-4°F) and maximums reaching a mild 18°C (65°F). Expect 78 mm (3.1 in) of precipitation over 11 days, accompanied by an average humidity of 82%. Prepare for a mix of chilly weather and occasional wet conditions!
In March in Moncton, the average temperature is -2°C (28°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -20°C (-4°F). Travelers should be prepared for a wide range of temperatures and dress in layers to ensure comfort.
In Moncton in March, the precipitation amount is 78 mm (3.1 in) over the course of 11 days.
In Moncton in March, humidity is 82%. With an average temperature of -2°C (28°F), this humidity feels like an icy shroud enveloping you, making every breath feel crisp and biting as you navigate through a winter wonderland, each step a reminder of the contrast between the cold air and the heavy moisture lingering in the atmosphere.
In Moncton 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 Moncton.
UV Risk Categories
Weather in Moncton varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in Moncton, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -6°C (21°F) | 92 mm (3.6 inches) | 82% | low |
| February Weather | -6°C (22°F) | 101 mm (4.0 inches) | 83% | moderate |
| March Weather | -2°C (28°F) | 78 mm (3.1 inches) | 82% | moderate |
| April Weather | 4°C (40°F) | 91 mm (3.6 inches) | 82% | high |
| May Weather | 10°C (50°F) | 104 mm (4.1 inches) | 82% | very high |
| June Weather | 16°C (60°F) | 97 mm (3.8 inches) | 84% | very high |
| July Weather | 19°C (67°F) | 82 mm (3.2 inches) | 86% | very high |
| August Weather | 19°C (67°F) | 72 mm (2.8 inches) | 85% | very high |
| September Weather | 15°C (59°F) | 90 mm (3.5 inches) | 83% | high |
| October Weather | 9°C (48°F) | 80 mm (3.2 inches) | 83% | moderate |
| November Weather | 2°C (37°F) | 145 mm (5.7 inches) | 85% | moderate |
| December Weather | -3°C (26°F) | 103 mm (4.0 inches) | 83% | low |