Trois-Rivières weather in May

In May, Trois-Rivières sees average daytime highs of 18°C and overnight lows near 8°C, with 96 mm of precipitation across 12.4 wet days and about 14.7 hours of daylight. It is the 5th-warmest and 7th-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 21% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 06 min at the start of May to 15 h 18 min by month's end. Set against the rest of the year, May is Trois-Rivières's 5th-clearest and 3rd-windiest month. For the whole year in context, see Trois-Rivières's year-round climate.

Daytime high
18°
5th warmest
Overnight low
8th coldest
Precipitation
96 mm
12.4 wet days
Daylight
14 h 48 min
4:23 AM – 7:10 PM
Cloud cover
66%
5th clearest
Wind
12 km/h
3rd windiest
Solar energy
5.47 kWh/m²
Travel score
5.4
out of 10

Trois-Rivières is city in Quebec, Canada.

Air quality
Good
PM2.5 7 µg/m³ · 2019
Density
500/km²
people per km²
Founded
1846

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Trois-Rivières reaches about 18°C in the afternoon and slips back to 8°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 25°C. Set against its neighbours, May runs about 8°C warmer than April and about 5°C cooler than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
1155
2155
3156
4166
5166
6166
7167
8177
9177
10177
11177
12178
13188
14188
15188
16188
17189
18199
19199
20199
21199
221910
231910
242010
252010
262010
272011
282011
292011
302011
312111

How May really feels in Trois-Rivières

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.

Trois-Rivières weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-6° / -15°7710.910.48.80.0
Feb-4° / -14°618.88.7100.0
Mar / -7°7610.57.111.60.0
Apr10° / 9811.53.213.32.0
May18° / 9612.40.214.75.4
Jun23° / 14°10912.3015.56.3
Jul25° / 16°11213.5015.26.2
Aug24° / 15°10912.10146.6
Sep20° / 11°9811012.46.0
Oct12° / 11111.50.810.73.1
Nov / -2°8911.44.19.20.3
Dec-2° / -10°9011.79.88.50.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% 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 62%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53862
63862
73862
83862
93862
103961
113961
123961
134060
144060
154060
164060
174060
184060
194060
204060
213961
223961
233961
243961
253862
263862
273763
283763
293763
303664
313664

Chance of precipitation in May

Any precipitationSnow

Trois-Rivières gets around 96 mm of rain and snow over 12.4 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 39% and peaks near 43% on the wettest days, and about 0 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1382
2382
3382
4382
5381
6381
7381
8381
9381
10381
11380
12380
13380
14380
15380
16380
17380
18380
19390
20390
21400
22400
23410
24410
25420
26420
27430
28430
29430
30430
31430

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 91% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
197300
297300
397300
497300
597300
696400
796400
896400
996400
1096400
1196400
1296400
1395410
1495410
1595410
1695410
1793520
1893520
1992530
2091630
2190640
2289740
2387850
2486950
2586950
26831061
27821161
28811261
29801361
30781561
31771661

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
2812light breeze
2912light breeze
3012light breeze
3112light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 06 min at the start of May to 15 h 18 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 4:44 AM to 4:09 AM, and sunset from 6:50 PM to 7:26 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.14:446:50
214.14:436:52
314.24:416:53
414.24:406:54
514.34:386:56
614.34:376:57
714.44:356:58
814.44:347:00
914.54:327:01
1014.54:317:02
1114.64:307:03
1214.64:287:05
1314.64:277:06
1414.74:267:07
1514.74:247:08
1614.84:237:10
1714.84:227:11
1814.94:217:12
1914.94:207:13
2014.94:197:14
2115.04:187:16
2215.04:177:17
2315.04:167:18
2415.14:157:19
2515.14:147:20
2615.14:137:21
2715.24:127:22
2815.24:117:23
2915.24:107:24
3015.34:107:25
3115.34:097:26

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.47 kWh/m².

For context, solar energy here swings from a low near 1.22 kWh/m² to a high of 5.86 kWh/m² in June across the year — May's 5.47 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.2Bright
35.2Bright
45.2Bright
55.3Bright
65.3Bright
75.3Bright
85.4Bright
95.4Bright
105.4Bright
115.4Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in May

Is May a good time to visit Trois-Rivières?

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

5.4
Sightseeing
5th-best month of the year
1.9
Beach & pool
5th-best month of the year

May is a reasonable time to visit Trois-Rivières for sightseeing.

What to pack for Trois-Rivières in May

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

In May, Trois-Rivières sees daytime highs around 18°C and nights near 8°C. Worth packing: rain gear and sun protection. About 12 days see rain.

rain gearsun protection

UV index in Trois-Rivières 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 Trois-Rivières peaks around July 13 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 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 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug3Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Trois-Rivières?

Trois-Rivières sits at 46.3°N, 72.5°W, 16 m above sea level, in Canada. The nearest listed city is Shawinigan, 29 km away.

Topography around Trois-Rivières

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Trois-Rivières.

Within 3 km, the terrain around Trois-Rivières has only modest variations in elevation — a maximum elevation change of 56 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 109 m; within 80 km, large variations in elevation — a maximum elevation change of 759 m.

The land around Trois-Rivières is covered by artificial surfaces (41%) and water (32%) within 3 km, trees (46%) and cropland (26%) within 16 km, and trees (61%) and cropland (28%) within 80 km.

3 km
56 m
16 km
109 m
80 km
759 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Shawinigan 29 km · Drummondville 52 km · Sorel-Tracy 55 km · Victoriaville 56 km · Joliette 77 km · Saint-Charles-Borromée 78 km · Saint-Hyacinthe 85 km · L'Assomption 89 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 Trois-Rivières (46.3451°, -72.5477°, elevation 16 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).