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The weather in New Brunswick in December is very cold with temperatures between -6°C and 0°C, warm clothes are a must.
You can expect rain for roughly half of the month of December in New Brunswick. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Let it snow! You can expect New Brunswick to be covered in white during the month of December. 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 December 2024.
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