August
Other strong months: June and July
79/100 weather score
Canada · 1991–2020
Best time to visit
Gatineau
For Gatineau, August has the most comfortable weather in our climate comparison. Typical daytime highs are 25.2°C, nights average 13.7°C, and rainfall totals about 101 mm. Figures use measured 1991–2020 normals from the nearest eligible NOAA station.
Best all-round monthAugust
Typical daytime high25.2°C
Typical night-time low13.7°C
August rainfall101 mm
September
Other strong months: May and June
79/100 weather score
Make the answer personal
Choose the weather
that suits you.
Set the daytime temperature and rainfall you are comfortable with. We will show only the months that meet every choice, using the measured 1991–2020 averages below.
4 months fit your choices for Gatineau
The lowest comfort score is 5 out of 100. January, February, March, November and December share that score. In January, that is mainly because days reach only -5.6°C, 30° below the 24°C the score treats as ideal.
Quick answers
Planning a trip to Gatineau?
These answers come from the same measured monthly climate record shown on this page.
When is the best time to visit Gatineau?
August is the strongest all-round choice in our temperature-and-rainfall comparison, with a typical daytime high of 25.2°C and 101 mm of rain.
What is the hottest month in Gatineau?
July is hottest in this record, with a typical daytime high of 26.7°C and a night-time low of 14.9°C.
Which month has the least rain?
February has the lowest monthly rainfall total at 58 mm.
Is this a weather forecast?
No. These are long-term measured averages from 1991–2020. Check a current forecast before you travel.
Month by month
See how the weather
changes through the year.
The bars combine daytime temperature, night-time temperature and rainfall. The figures are measured historical averages, not a forecast for a particular trip.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | -5.6°C | -15.5°C | 76 mm | 12.4 | 9 h 04 | 5 | Strong coverage |
| February | -3.2°C | -14.4°C | 58 mm | 9.1 | 10 h 18 | 5 | Strong coverage |
| March | 2.7°C | -8°C | 66 mm | 9 | 11 h 46 | 5 | Strong coverage |
| April | 10.7°C | -0.3°C | 89 mm | 10.1 | 13 h 27 | 15 | Strong coverage |
| May | 19°C | 6.8°C | 84 mm | 9.8 | 14 h 52 | 56 | Strong coverage |
| June | 24.1°C | 12.3°C | 110 mm | 10.3 | 15 h 39 | 78 | Strong coverage |
| July | 26.7°C | 14.9°C | 93 mm | 9.2 | 15 h 21 | 77 | Strong coverage |
| August | 25.2°C | 13.7°C | 101 mm | 9.1 | 14 h 06 | 79 | Good coverage |
| September | 20.5°C | 9.4°C | 91 mm | 10 | 12 h 28 | 64 | Strong coverage |
| October | 12.9°C | 3.3°C | 99 mm | 11.5 | 10 h 51 | 26 | Strong coverage |
| November | 5.3°C | -2.7°C | 84 mm | 11 | 9 h 26 | 5 | Strong coverage |
| December | -1.8°C | -9.9°C | 87 mm | 13.2 | 8 h 44 | 5 | Strong coverage |
What has changed
Recent daytime highs are
2.0°C warmer in Gatineau.
Each bar shows the difference between the 2011–2025 average daytime high and the 1961–1990 average for the same month at the same station. A blank month does not have enough older observations for a reliable comparison.
Jan
+2.3
Feb
+2.7
Mar
+2.2
Apr
+0.6
May
+1.8
Jun
+1.6
Jul
+2.0
Aug—
Sep
+2.1
Oct
+2.2
Nov
+1.3
Dec
+2.9
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 11.1°C15 Jan 1932 | -40.0°C16 Jan 1957 | 53 mm4 Jan 1993 | 141 mm1993 · driest 23 mm in 2003 | 95 |
| February | 13.9°C28 Feb 2024 | -37.2°C9 Feb 1934 | 45 mm21 Feb 1997 | 130 mm1960 · driest 6 mm in 1998 | 91 |
| March | 26.5°C21 Mar 2012 | -37.2°C4 Mar 1938 | 57 mm5 Mar 2011 | 142 mm1936 · driest 10 mm in 1957 | 95 |
| April | 31.0°C27 Apr 1990 | -18.9°C4 Apr 1954 | 52 mm30 Apr 2023 | 166 mm2011 · driest 7 mm in 2004 | 94 |
| May | 37.0°C26 May 2010 | -6.1°C7 May 1966 | 55 mm16 May 1986 | 200 mm1986 · driest 7 mm in 2016 | 94 |
| June | 35.0°C21 Jun 1941 | -0.6°C10 Jun 1980 | 146 mm23 Jun 2011 | 337 mm2011 · driest 14 mm in 1991 | 95 |
| July | 36.9°C10 Jul 2020 | 5.5°C20 Jul 2000 | 86 mm29 Jul 1939 | 227 mm2007 · driest 6 mm in 2019 | 96 |
| August | 37.2°C1 Aug 1975 | 3.9°C31 Aug 1976 | 76 mm2 Aug 2006 | 205 mm1984 · driest 11 mm in 1931 | 90 |
| September | 34.5°C8 Sep 2002 | -5.5°C29 Sep 2000 | 99 mm9 Sep 2004 | 191 mm1957 · driest 15 mm in 1948 | 93 |
| October | 30.4°C4 Oct 2023 | -8.0°C31 Oct 2020 | 91 mm12 Oct 1946 | 165 mm2006 · driest 9 mm in 1938 | 94 |
| November | 23.3°C5 Nov 2022 | -24.2°C23 Nov 2018 | 49 mm27 Nov 1993 | 156 mm1963 · driest 18 mm in 1939 | 95 |
| December | 14.4°C16 Dec 2021 | -41.1°C30 Dec 1933 | 46 mm16 Dec 1974 | 173 mm1972 · driest 8 mm in 2021 | 94 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 28 | 2 | 12 |
| February | 0 | 0 | 26 | 2 | 9 |
| March | <1 | 0 | 25 | 2 | 5 |
| April | <1 | <1 | 16 | 3 | 2 |
| May | 5 | <1 | 2 | 3 | 0 |
| June | 13 | 3 | 0 | 3 | 0 |
| July | 20 | 6 | 0 | 3 | 0 |
| August | 15 | 3 | 0 | 3 | 0 |
| September | 5 | <1 | <1 | 3 | 0 |
| October | <1 | 0 | 8 | 3 | <1 |
| November | 0 | 0 | 21 | 3 | 5 |
| December | 0 | 0 | 27 | 2 | 11 |
| Month | Dry days reaching 20°C | Wet days | Days with heavy rain | Weeks with 3+ wet days | Typical high by year |
|---|---|---|---|---|---|
| January | 0% | 40% | 7% | 58% | -9.7–-2.1°C |
| February | 0% | 35% | 7% | 48% | -7.0–-1.1°C |
| March | <1% | 31% | 7% | 42% | -1.2–5.5°C |
| April | 6% | 32% | 8% | 39% | 7.3–13.0°C |
| May | 29% | 32% | 8% | 42% | 15.6–21.1°C |
| June | 56% | 33% | 9% | 40% | 21.7–25.6°C |
| July | 69% | 29% | 9% | 34% | 24.4–28.0°C |
| August | 64% | 29% | 9% | 33% | 22.9–26.8°C |
| September | 34% | 32% | 9% | 43% | 17.7–22.1°C |
| October | 8% | 33% | 8% | 42% | 10.6–15.1°C |
| November | <1% | 38% | 9% | 54% | 2.4–7.5°C |
| December | 0% | 42% | 9% | 64% | -6.5–-0.1°C |
A dry day reaching 20°C records under 1 mm of rain. A wet day records at least 1 mm, while a heavy-rain day records at least 10 mm. The weekly figure is the share of seven-day periods containing three or more wet days. The final column shows the middle 80% of average daytime highs recorded for that month in individual years; a wider range means conditions have varied more from one year to another.
The evidence behind this page
Where these figures
come from.
- Place identity
- GeoNames 5959974
- NOAA station
- CA007031360 · CHELSEA
- Station distance
- 7.7 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 22 usable years
- Daylight
- Calculated from latitude 45.48°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Gatineau is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
How travel partnerships will work