Climate averages 1991–2020
Saint-Louis-de-Terrebonne weather
in May.
A mild, wet month: the 5th warmest and the joint 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Saint-Louis-de-Terrebonne: daytime highs average 18.1°C and nights cool to about 7.9°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 95 mm of rain on roughly 11 days, which makes May a wet month (the joint 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 54 min on an average May day.
The nearest other city in this atlas is Terrebonne (11 km away). In May its highs average 18.4°C, about as warm as Saint-Louis-de-Terrebonne, with 95 mm of rain.
Among the 86 cities listed in Canada, Saint-Louis-de-Terrebonne ranks 30th of 86 for the warmest May highs and joint 67th of 86 for the driest May (rainfall, lowest first). The mean May high of those 86 cities is 17.0°C; Saint-Louis-de-Terrebonne is 1.1°C warmer than that mean.
From May to June, average highs rise by 4.9°C to 23.0°C, and monthly rainfall rises from 95 mm to 101 mm.
The annual picture
May 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
Saint-Louis-de-Terrebonne climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | -5.7°C-15.1°C | -15.1°C | 76 | 10.2 | 9.19 h |
| February | -3.7°C-13.4°C | -13.4°C | 62 | 8.8 | 10.310 h |
| March | 2.1°C-7.5°C | -7.5°C | 74 | 10.4 | 11.912 h |
| April | 10.1°C0.2°C | 0.2°C | 103 | 11.3 | 13.513 h |
| May, selected | 18.1°C7.9°C | 7.9°C | 95 | 11.4 | 14.915 h |
| June | 23.0°C13.9°C | 13.9°C | 101 | 11.7 | 15.616 h |
| July | 25.3°C16.8°C | 16.8°C | 95 | 12.3 | 15.315 h |
| August | 24.2°C16.0°C | 16.0°C | 96 | 11.6 | 14.114 h |
| September | 20.0°C11.9°C | 11.9°C | 94 | 10.0 | 12.613 h |
| October | 12.4°C5.4°C | 5.4°C | 107 | 11.4 | 11.011 h |
| November | 5.0°C-1.4°C | -1.4°C | 87 | 11.1 | 9.510 h |
| December | -1.9°C-9.6°C | -9.6°C | 86 | 11.6 | 8.89 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
May in nearby cities
- Terrebonne in MayCanada · 11 kmHigh 18.4°C · Low 8.3°C · 95 mm rain
- Laval in MayCanada · 16 kmHigh 18.4°C · Low 8.1°C · 93 mm rain
- Villeray–Saint-Michel–Parc-Extension in MayCanada · 21 kmHigh 18.3°C · Low 7.8°C · 100 mm rain
- Pierrefonds-Roxboro in MayCanada · 23 kmHigh 18.3°C · Low 8.3°C · 93 mm rain
- Mercier–Hochelaga-Maisonneuve in MayCanada · 24 kmHigh 18.5°C · Low 8.3°C · 100 mm rain
- Montréal in MayCanada · 26 kmHigh 17.3°C · Low 7.1°C · 100 mm rain
- Repentigny in MayCanada · 27 kmHigh 18.4°C · Low 8.2°C · 93 mm rain
- Longueuil in MayCanada · 32 kmHigh 18.5°C · Low 8.3°C · 100 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 Saint-Louis-de-Terrebonne) is explained once on the Saint-Louis-de-Terrebonne year overview and on the Sources, method and limits page.
Terrebonne lies in the same rainfall cell, so its rainfall figures are identical to these; temperatures differ because they come from smaller 0.1° cells.