L'Île-Bizard–Sainte-Geneviève weather in May

In May, L'Île-Bizard–Sainte-Geneviève sees average daytime highs of 18°C and overnight lows near 9°C, with 95 mm of precipitation across 11.5 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 15°C in the first days to 20°C by the end. The sky is clear or mostly clear about 22% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 hours at the start of May to 15 h 12 min by month's end. Set against the rest of the year, May is L'Île-Bizard–Sainte-Geneviève's 5th-clearest and 8th-windiest month. For the whole year in context, see L'Île-Bizard–Sainte-Geneviève's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Precipitation
95 mm
11.5 wet days
Daylight
14 h 42 min
4:31 AM – 7:13 PM
Cloud cover
65%
5th clearest
Wind
12 km/h
8th windiest
Solar energy
5.55 kWh/m²
Travel score
5.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 15°C in the first days to 20°C by the end.

A typical May day in L'Île-Bizard–Sainte-Geneviève reaches about 18°C in the afternoon and slips back to 9°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 24°C. Set against its neighbours, May runs about 8°C warmer than April and about 6°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1145
2156
3156
4156
5156
6167
7167
8167
9167
10167
11177
12178
13178
14178
15178
16188
17189
18189
19189
20189
211910
221910
231910
241910
251910
262011
272011
282011
292011
302011
312012

How May really feels in L'Île-Bizard–Sainte-Geneviève

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

L'Île-Bizard–Sainte-Geneviève weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-5° / -14°7510.59.48.90.0
Feb-4° / -13°618.98.210.10.0
Mar / -6°7410.26.711.60.0
Apr10° / 10311.72.813.22.1
May18° / 9511.50.114.75.3
Jun23° / 14°10311.9015.46.4
Jul26° / 17°9112.5015.16.4
Aug25° / 16°9311.3013.96.8
Sep20° / 12°9310.3012.36.3
Oct13° / 10811.60.610.73.3
Nov / -1°8711.63.79.30.5
Dec-2° / -8°8611.59.28.60.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 61%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23763
33664
43664
53763
63862
73862
83961
93961
103961
114060
123961
133961
144060
154159
164258
174159
184159
194060
204159
214159
224060
234060
243961
254060
264060
273961
283862
293862
303862
313862

Chance of precipitation in May

Any precipitationSnow

L'Île-Bizard–Sainte-Geneviève gets around 95 mm of rain and snow over 11.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 36% and peaks near 40% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1362
2362
3352
4351
5351
6351
7351
8351
9341
10341
11341
12341
13341
14340
15340
16350
17350
18350
19360
20360
21370
22370
23380
24390
25390
26390
27400
28400
29400
30400
31400

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the dry band about 90% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
198200
297300
397300
497300
597300
697300
796400
896400
996400
1096400
1196400
1295410
1394510
1494510
1594510
1693520
1792620
1891630
1990730
2089740
2188840
2286950
23851050
24841060
25831160
26811270
27791371
28781471
29771571
30761671
31741781

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 hours at the start of May to 15 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over May. Sunrise moves from 4:52 AM to 4:17 AM, and sunset from 6:54 PM to 7:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.04:526:54
214.14:506:55
314.14:496:56
414.24:476:58
514.24:466:59
614.34:447:00
714.34:437:01
814.44:417:03
914.44:407:04
1014.44:397:05
1114.54:377:06
1214.54:367:08
1314.64:357:09
1414.64:347:10
1514.74:327:11
1614.74:317:13
1714.74:307:14
1814.84:297:15
1914.84:287:16
2014.84:277:17
2114.94:267:18
2214.94:257:19
2314.94:247:20
2415.04:237:22
2515.04:227:23
2615.04:217:24
2715.14:207:25
2815.14:207:26
2915.14:197:27
3015.24:187:28
3115.24:177:29

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.55 kWh/m².

For context, solar energy here swings from a low near 1.23 kWh/m² to a high of 5.92 kWh/m² in June across the year — May's 5.55 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.3Bright
45.3Bright
55.3Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.6Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in May

Is May a good time to visit L'Île-Bizard–Sainte-Geneviève?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.3
Sightseeing
5th-best month of the year
1.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit L'Île-Bizard–Sainte-Geneviève for sightseeing.

What to pack for L'Île-Bizard–Sainte-Geneviève in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, L'Île-Bizard–Sainte-Geneviève sees daytime highs around 18°C and nights near 9°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in L'Île-Bizard–Sainte-Geneviève in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in L'Île-Bizard–Sainte-Geneviève peaks around July 13 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 10 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 13UV 8Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug4Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is L'Île-Bizard–Sainte-Geneviève?

L'Île-Bizard–Sainte-Geneviève sits at 45.5°N, 73.9°W, 46 m above sea level, in Canada. The nearest listed city is Pierrefonds, 4.0 km away.

Topography around L'Île-Bizard–Sainte-Geneviève

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of L'Île-Bizard–Sainte-Geneviève.

Within 3 km, the terrain around L'Île-Bizard–Sainte-Geneviève has only modest variations in elevation — a maximum elevation change of 57 m around an average of 31 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 258 m; within 80 km, large variations in elevation — a maximum elevation change of 864 m.

The land around L'Île-Bizard–Sainte-Geneviève is covered by trees (43%) and water (27%) within 3 km, trees (31%), water (25%) and artificial surfaces (22%) within 16 km, and trees (48%) and cropland (35%) within 80 km.

3 km
57 m
16 km
258 m
80 km
864 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Pierrefonds 4.0 km · Pierrefonds-Roxboro 4.0 km · Deux-Montagnes 5.0 km · Kirkland 5.0 km · Dollard-Des Ormeaux 6.0 km · Beaconsfield 7.0 km · Saint-Eustache 8.0 km · Pointe-Claire 8.0 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for L'Île-Bizard–Sainte-Geneviève (45.4939°, -73.8956°, elevation 46 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).