Fredericton Climate by Month
Fredericton, New Brunswick, Canada
Warm summers and freezing winters, with rain spread through the year.
Fredericton has warm summers and freezing winters, with rain spread through the year. Expect highs of 79°F (26°C) in July and 25°F (-4°C) in January, with the coldest nights (January) near 6°F (-14°C). It gets 47 in (1203 mm) of rain a year, spread across the months. The air is humid, averaging 79% relative humidity.
- Warmest month
- 79°F(26°C)
- Average high, July
- Coldest nights
- 6°F(-14°C)
- Average low, January
- Rain per year
- 47 in(1203 mm)
- No clear rainy season
- Humidity
- 79%
- Sunniest: July
Best and worst months in Fredericton
Best for weatherThe most comfortable weather comes in June and August, with highs around 76°F (24°C) and about 3.6 in (91 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 25°F (-4°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 June.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Fredericton weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 25°F(-4°C) | 6°F(-14°C) | 4.1 in(105 mm) | 98% | 1.4 |
| FebFebruary | 29°F(-2°C) | 8°F(-13°C) | 3.5 in(89 mm) | 88% | 2.4 |
| MarMarch | 38°F(3°C) | 19°F(-7°C) | 4.1 in(103 mm) | 77% | 3.4 |
| AprApril | 50°F(10°C) | 31°F(-1°C) | 3.6 in(92 mm) | 70% | 4.3 |
| MayMay | 64°F(18°C) | 40°F(5°C) | 3.9 in(100 mm) | 67% | 5.1 |
| JunJuneBest | 74°F(23°C) | 49°F(10°C) | 3.8 in(96 mm) | 69% | 5.5 |
| JulJuly | 79°F(26°C) | 56°F(13°C) | 3.6 in(92 mm) | 74% | 5.5 |
| AugAugustBest | 78°F(26°C) | 55°F(13°C) | 3.4 in(86 mm) | 72% | 5.0 |
| SepSeptember | 70°F(21°C) | 47°F(8°C) | 3.6 in(92 mm) | 77% | 3.8 |
| OctOctober | 57°F(14°C) | 37°F(3°C) | 4.6 in(116 mm) | 83% | 2.3 |
| NovNovember | 44°F(6°C) | 28°F(-2°C) | 4.4 in(112 mm) | 84% | 1.4 |
| DecDecember | 31°F(0°C) | 16°F(-9°C) | 4.7 in(120 mm) | 93% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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