Moncton Climate by Month
Moncton, New Brunswick, Canada
Warm summers and freezing winters, with rain spread through the year.
Warm summers and freezing winters, with rain spread through the year: that's Moncton's climate in short. July is the warmest month, with highs around 79°F (26°C); January is the coolest at 27°F (-3°C), and nights dip to 9°F (-13°C). It gets 47 in (1206 mm) of rain a year, spread across the months. The air is humid, averaging 80% relative humidity.
- Warmest month
- 79°F(26°C)
- Average high, July
- Coldest nights
- 9°F(-13°C)
- Average low, January
- Rain per year
- 47 in(1206 mm)
- No clear rainy season
- Humidity
- 80%
- Sunniest: July
Best and worst months in Moncton
Best for weatherThe most comfortable weather comes from June to August, with highs around 76°F (25°C) and about 3.7 in (93 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 27°F (-3°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in August.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Moncton weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 27°F(-3°C) | 9°F(-13°C) | 4.3 in(108 mm) | 88% | 1.4 |
| FebFebruary | 29°F(-2°C) | 10°F(-12°C) | 3.8 in(97 mm) | 82% | 2.4 |
| MarMarch | 37°F(3°C) | 20°F(-7°C) | 4.4 in(112 mm) | 76% | 3.4 |
| AprApril | 49°F(9°C) | 31°F(0°C) | 3.5 in(89 mm) | 71% | 4.3 |
| MayMay | 62°F(17°C) | 41°F(5°C) | 3.8 in(97 mm) | 69% | 5.0 |
| JunJuneBest | 72°F(22°C) | 51°F(11°C) | 4.3 in(109 mm) | 70% | 5.4 |
| JulJulyBest | 79°F(26°C) | 58°F(15°C) | 3.5 in(88 mm) | 72% | 5.5 |
| AugAugustBest | 78°F(26°C) | 57°F(14°C) | 3.2 in(82 mm) | 75% | 5.0 |
| SepSeptember | 69°F(21°C) | 49°F(9°C) | 3.5 in(90 mm) | 82% | 3.8 |
| OctOctober | 56°F(14°C) | 39°F(4°C) | 4.3 in(108 mm) | 80% | 2.3 |
| NovNovember | 44°F(7°C) | 30°F(-1°C) | 4.3 in(108 mm) | 93% | 1.3 |
| DecDecember | 33°F(1°C) | 19°F(-7°C) | 4.6 in(118 mm) | 100% | 1.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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