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The weather in New Brunswick in March is very cold with temperatures between -6°C and 0°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in New Brunswick during the month of March. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Let it snow! You can expect New Brunswick to be covered in white during the month of March. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.
Our weather forecast can give you a great sense of what weather to expect in New Brunswick in March 2025.
If you’re planning to visit New Brunswick in the near future, we highly recommend that you review the 14 day weather forecast for New Brunswick before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -4° / -11° | 6 | 5 | 21 | 135 mm | Awful | New Brunswick in January |
| February | -4° / -11° | 6 | 3 | 21 | 143 mm | Awful | New Brunswick in February |
| March | 0° / -6° | 7 | 6 | 19 | 118 mm | Awful | New Brunswick in March |
| April | 7° / 0° | 10 | 11 | 9 | 120 mm | Awful | New Brunswick in April |
| May | 14° / 5° | 9 | 22 | 1 | 128 mm | Ok | New Brunswick in May |
| June | 20° / 10° | 8 | 22 | 0 | 152 mm | Ok | New Brunswick in June |
| July | 24° / 14° | 7 | 24 | 0 | 128 mm | Good | New Brunswick in July |
| August | 24° / 14° | 6 | 25 | 0 | 112 mm | Perfect | New Brunswick in August |
| September | 19° / 10° | 5 | 25 | 0 | 106 mm | Good | New Brunswick in September |
| October | 12° / 5° | 8 | 22 | 2 | 138 mm | Awful | New Brunswick in October |
| November | 6° / 0° | 8 | 13 | 9 | 151 mm | Awful | New Brunswick in November |
| December | 0° / -6° | 8 | 8 | 16 | 158 mm | Awful | New Brunswick in December |
For a more accurate weather forecast please select a city