Climate averages 1991–2020
Moncton weather
in July.
A warm, moderately wet month: the warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Moncton: daytime highs average 24.1°C and nights cool to about 15.6°C. By daytime temperature it is the warmest month of the year.
Expect about 82 mm of rain on roughly 12 days, which makes July a moderately wet month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 22 min on an average July day.
The nearest other city in this atlas is Saint John (134 km away). In July its highs average 20.8°C, 3.3°C cooler than Moncton, with 91 mm of rain.
Among the 86 cities listed in Canada, Moncton ranks 55th of 86 for the warmest July highs and joint 41st of 86 for the driest July (rainfall, lowest first). The mean July high of those 86 cities is 24.4°C; Moncton is 0.3°C cooler than that mean.
From July to August, average highs fall by 0.4°C to 23.6°C, and monthly rainfall falls from 82 mm to 76 mm.
The annual picture
July in context
Monthly precipitation
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Moncton climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -3.5°C-12.8°C | -12.8°C | 93 | 11.4 | 9.19 h |
| February | -2.5°C-11.8°C | -11.8°C | 83 | 10.1 | 10.310 h |
| March | 1.8°C-6.9°C | -6.9°C | 98 | 11.5 | 11.912 h |
| April | 8.2°C-0.5°C | -0.5°C | 85 | 12.5 | 13.514 h |
| May | 15.3°C5.7°C | 5.7°C | 85 | 12.5 | 14.915 h |
| June | 20.5°C11.5°C | 11.5°C | 91 | 11.8 | 15.716 h |
| July, selected | 24.1°C15.6°C | 15.6°C | 82 | 11.5 | 15.415 h |
| August | 23.6°C15.4°C | 15.4°C | 76 | 9.8 | 14.214 h |
| September | 19.4°C11.4°C | 11.4°C | 93 | 9.3 | 12.613 h |
| October | 12.6°C5.5°C | 5.5°C | 98 | 10.7 | 11.011 h |
| November | 5.9°C-0.4°C | -0.4°C | 98 | 10.7 | 9.510 h |
| December | -0.1°C-7.5°C | -7.5°C | 112 | 12.2 | 8.79 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
July in nearby cities
- Saint John in JulyCanada · 134 kmHigh 20.8°C · Low 14.6°C · 91 mm rain
- Dartmouth in JulyCanada · 185 kmHigh 22.2°C · Low 15.8°C · 90 mm rain
- Halifax in JulyCanada · 187 kmHigh 20.7°C · Low 15.7°C · 90 mm rain
- Sydney, Canada in JulyCanada · 356 kmHigh 21.5°C · Low 15.3°C · 85 mm rain
- Québec in JulyCanada · 498 kmHigh 24.3°C · Low 15.6°C · 120 mm rain
- Saguenay in JulyCanada · 539 kmHigh 22.7°C · Low 13.5°C · 131 mm rain
- Sherbrooke in JulyCanada · 556 kmHigh 24.0°C · Low 15.5°C · 126 mm rain
- Trois-Rivières in JulyCanada · 597 kmHigh 25.0°C · Low 16.8°C · 112 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Moncton) is explained once on the Moncton year overview and on the Sources, method and limits page.