Moncton climate — normals and trends
Moncton (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 1,094 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 (18.7 °C on average) and the coldest is January (-8.0 °C). Rainfall peaks in November.
Moncton averages 154 frost days, 2 hot days (≥ 30 °C) and 138 rainy days per year.
Moncton 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 160 to 148 per year over the period.
The hottest day of the period reached 35.0 °C (on 22 August 1976) and the coldest -34.4 °C (on 16 January 2009).
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
MonctonNew Brunswick
- coords
- 46.09°, -64.80°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.6°C
Average daily high
10.1°C
Average daily low
1.5°C
Annual rainfall
1,094mm
Sunshine / day
7.9h
Mean relative humidity
76%
Average peak wind
18.8km/h
Seasonal range
26.7°C
Frost days (< 0 °C)
154 d/yr
Hot days (≥ 30 °C)
2 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
211.5 cm
Average feels-like high
7.4 °C
Average feels-like low
-2.1 °C
Average peak gust
43.2 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
35.0 °C
22 August 1976
Coldest day
-34.4 °C
16 January 2009
Wettest day
113 mm
23 September 1999
Windiest day
54.2 km/h
2 February 1976
Strongest gust
124.2 km/h
9 March 2005
Hottest feels-like
38.6 °C
3 July 2002
Coldest feels-like
-40.0 °C
12 February 1967
Snowiest day
37.1 cm
7 May 1995
Sunniest day
15.1 h
16 June 2025
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 | -3.3 °C | +0.3 °C | 63 mm | -32 mm |
| Feb | -3.1 °C | -0.5 °C | 57 mm | -29 mm |
| Mar | 5.4 °C | +3.6 °C | 124 mm | +30 mm |
| Apr | 9.0 °C | +1.1 °C | 92 mm | +6 mm |
| May | 15.4 °C | +0.5 °C | 106 mm | +21 mm |
| Jun | 22.1 °C | +2.2 °C | 85 mm | -6 mm |
| Jul | 25.0 °C | +1.5 °C | 75 mm | -16 mm |
| Aug | 25.0 °C | +2.2 °C | 47 mm | -38 mm |
| Sep | 21.6 °C | +3.0 °C | 34 mm | -54 mm |
| Oct | 14.8 °C | +2.4 °C | 107 mm | +18 mm |
| Nov | 6.3 °C | +0.5 °C | 87 mm | -15 mm |
| Dec | -1.6 °C | -1.0 °C | 97 mm | -4 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 Moncton?
Moncton has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.6 °C and it receives 1,094 mm of precipitation per year.
What is the hottest day ever recorded in Moncton?
The hottest day measured in Moncton between 1940 and 2025 was 22 August 1976, reaching 35.0 °C.
What is the coldest day in Moncton?
The coldest day measured in Moncton between 1940 and 2025 was 16 January 2009, at -34.4 °C.
Does it snow in Moncton?
Yes. Moncton gets on average 211.5 cm of snow per year and has around 154 frost days.
Has the climate of Moncton warmed?
Yes: Moncton warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Moncton?
The wettest day measured in Moncton between 1940 and 2025 was 23 September 1999, with 113 mm of rain in 24 hours.
What was the windiest day in Moncton?
The windiest day measured in Moncton between 1940 and 2025 was 2 February 1976, with winds reaching 54.2 km/h.
What is the warmest month in Moncton?
The warmest month in Moncton is July (18.7 °C on average); the coldest is January (-8.0 °C).
How much does it rain in Moncton?
Moncton receives on average 1,094 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Moncton?
Moncton 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 Moncton?
The heaviest 24-hour snowfall measured in Moncton between 1940 and 2025 was 7 May 1995, with 37.1 cm.
Are there tropical nights in Moncton?
Yes: Moncton has on average 1 tropical nights per year (temperature staying above 20 °C), over 1940-2025.
What was the most extreme apparent temperature in Moncton?
In Moncton, between 1940 and 2025, the highest apparent temperature reached 38.6 °C on 3 July 2002, and the lowest was -40.0 °C on 12 February 1967.
Compare Moncton with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Moncton