Fredericton climate — normals and trends
Fredericton (Canada) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.6 °C and it receives 1,155 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (19.2 °C on average) and the coldest is January (-9.1 °C). Rainfall peaks in November.
Fredericton averages 158 frost days, 6 hot days (≥ 30 °C) and 136 rainy days per year.
Fredericton has warmed by +1.4 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.
The number of frost days there went from about 164 to 152 per year over the period.
The hottest day of the period reached 36.9 °C (on 19 June 2024) and the coldest -36.7 °C (on 2 February 1962).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
FrederictonNew Brunswick
- coords
- 45.95°, -66.67°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.6°C
Average daily high
10.5°C
Average daily low
0.9°C
Annual rainfall
1,155mm
Sunshine / day
7.9h
Mean relative humidity
74%
Average peak wind
17.2km/h
Seasonal range
28.3°C
Frost days (< 0 °C)
158 d/yr
Hot days (≥ 30 °C)
6 d/yr
Rainy days (≥ 1 mm)
136 d/yr
Annual snowfall
190.2 cm
Average feels-like high
7.8 °C
Average feels-like low
-2.6 °C
Average peak gust
40.3 km/h
Tropical nights (≥ 20 °C)
1 d/yr
Solar radiation
12.8 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+1.4 °C
since 1940
+0.2 °C per decade · r² = 0.26 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
36.9 °C
19 June 2024
Coldest day
-36.7 °C
2 February 1962
Wettest day
104 mm
30 September 2015
Windiest day
44.8 km/h
18 December 2023
Strongest gust
127.1 km/h
26 February 1965
Hottest feels-like
40.4 °C
2 August 1975
Coldest feels-like
-42.1 °C
2 February 1962
Snowiest day
42.3 cm
4 December 1967
Sunniest day
15.0 h
14 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | -3.9 °C | +0.5 °C | 54 mm | -38 mm |
| Feb | -3.4 °C | -0.6 °C | 69 mm | -11 mm |
| Mar | 5.3 °C | +2.9 °C | 156 mm | +64 mm |
| Apr | 9.7 °C | +0.4 °C | 144 mm | +53 mm |
| May | 16.9 °C | +0.2 °C | 104 mm | +8 mm |
| Jun | 22.6 °C | +1.1 °C | 85 mm | -16 mm |
| Jul | 26.1 °C | +1.6 °C | 86 mm | -16 mm |
| Aug | 26.2 °C | +2.7 °C | 41 mm | -52 mm |
| Sep | 22.3 °C | +3.3 °C | 63 mm | -34 mm |
| Oct | 15.3 °C | +2.9 °C | 85 mm | -15 mm |
| Nov | 5.6 °C | +0.4 °C | 84 mm | -24 mm |
| Dec | -2.7 °C | -1.1 °C | 86 mm | -19 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Fredericton?
Fredericton has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.6 °C and it receives 1,155 mm of precipitation per year.
What is the hottest day ever recorded in Fredericton?
The hottest day measured in Fredericton between 1940 and 2025 was 19 June 2024, reaching 36.9 °C.
What is the coldest day in Fredericton?
The coldest day measured in Fredericton between 1940 and 2025 was 2 February 1962, at -36.7 °C.
Does it snow in Fredericton?
Yes. Fredericton gets on average 190.2 cm of snow per year and has around 158 frost days.
Has the climate of Fredericton warmed?
Yes: Fredericton warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Fredericton?
The wettest day measured in Fredericton between 1940 and 2025 was 30 September 2015, with 104 mm of rain in 24 hours.
What was the windiest day in Fredericton?
The windiest day measured in Fredericton between 1940 and 2025 was 18 December 2023, with winds reaching 44.8 km/h.
What is the warmest month in Fredericton?
The warmest month in Fredericton is July (19.2 °C on average); the coldest is January (-9.1 °C).
How much does it rain in Fredericton?
Fredericton receives on average 1,155 mm of precipitation per year, spread over about 136 rainy days.
Is it sunny in Fredericton?
Fredericton gets on average 7.9 hours of sunshine per day, roughly 2,884 hours per year over 1940-2025.
What is the biggest single-day snowfall in Fredericton?
The heaviest 24-hour snowfall measured in Fredericton between 1940 and 2025 was 4 December 1967, with 42.3 cm.
Are there tropical nights in Fredericton?
Yes: Fredericton has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Fredericton?
In Fredericton, between 1940 and 2025, the highest apparent temperature reached 40.4 °C on 2 August 1975, and the lowest was -42.1 °C on 2 February 1962.
Compare Fredericton with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Fredericton