Rimouski weather in May

In May, Rimouski sees average daytime highs of 11°C and overnight lows near 5°C, with 86 mm of precipitation across 12.1 wet days and about 15 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 8°C in the first days to 13°C by the end. The sky is clear or mostly clear about 27% of the time in May, and the air most often feels dry.

Daylight stretches from about 14 h 18 min at the start of May to 15 h 36 min by month's end. Set against the rest of the year, May is Rimouski's 5th-clearest and 10th-windiest month. For the whole year in context, see Rimouski's year-round climate.

Daytime high
11°
5th warmest
Overnight low
7th coldest
Precipitation
86 mm
12.1 wet days
Daylight
15 hours
4:00 AM – 7:00 PM
Cloud cover
64%
5th clearest
Wind
14 km/h
10th windiest
Solar energy
5.6 kWh/m²
Travel score
2.4
out of 10

Rimouski is city of Québec, Canada.

Density
79/km²
people per km²
Founded
1869

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 8°C in the first days to 13°C by the end.

A typical May day in Rimouski reaches about 11°C in the afternoon and slips back to 5°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 16°C. Set against its neighbours, May runs about 6°C warmer than April and about 5°C cooler than June.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
182
282
382
483
593
693
793
893
993
10104
11104
12104
13104
14104
15104
16115
17115
18115
19115
20115
21126
22126
23126
24126
25126
26126
27127
28137
29137
30137
31137

How May really feels in Rimouski

Once humidity and wind are folded in, May averages 0 days that feel above 32°C and 9 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
9
wind chill below the day's low

The story in May is cold — wind chill drags the overnight "feels like" below the raw low.

Rimouski weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -14°6410.311.68.60.0
Feb-7° / -13°568.59.19.90.0
Mar-2° / -8°7310.49.911.60.0
Apr / -1°8411.65.513.40.2
May11° / 8612.10.8152.4
Jun16° / 10°8511.3015.84.7
Jul19° / 14°8811.8015.55.9
Aug19° / 14°8410.9014.16.0
Sep15° / 10°9211.3012.44.5
Oct / 10912.50.810.61.7
Nov / -1°9411.66.890.1
Dec-3° / -8°841212.18.20.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24258
34258
44357
54357
64258
74258
84258
94258
104258
114258
124258
134357
144357
154357
164357
174357
184258
194357
204357
214357
224258
234258
244159
254159
264060
274060
283961
293961
303961
313961

Chance of precipitation in May

Any precipitationSnow

Rimouski gets around 86 mm of rain and snow over 12.1 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 38% and peaks near 41% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1397
2396
3386
4385
5385
6385
7385
8384
9384
10384
11384
12374
13373
14373
15373
16373
17372
18372
19372
20372
21371
22381
23381
24391
25401
26401
27411
28411
29410
30410
31410

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
11000
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
27991
28991
29991
30991
31991

Wind in May

Winds average 14 km/h in May.

Across May, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 14 h 18 min at the start of May to 15 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 78 minutes over May. Sunrise moves from 4:23 AM to 3:45 AM, and sunset from 6:39 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.34:236:39
214.34:226:41
314.44:206:42
414.44:186:44
514.54:176:45
614.54:156:46
714.64:136:48
814.64:126:49
914.74:106:51
1014.74:096:52
1114.84:076:53
1214.84:066:55
1314.94:046:56
1414.94:036:58
1515.04:026:59
1615.04:007:00
1715.03:597:02
1815.13:587:03
1915.13:577:04
2015.23:557:05
2115.23:547:07
2215.23:537:08
2315.33:527:09
2415.33:517:10
2515.43:507:12
2615.43:497:13
2715.43:487:14
2815.53:477:15
2915.53:467:16
3015.53:467:17
3115.63:457:18

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.6 kWh/m².

For context, solar energy here swings from a low near 1.01 kWh/m² to a high of 6.06 kWh/m² in June across the year — May's 5.6 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.4Bright
65.4Bright
75.5Bright
85.5Bright
95.5Bright
105.5Bright
115.5Bright
125.6Bright
135.6Bright
145.6Bright
155.6Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.8Bright
295.8Bright
305.8Bright
315.8Bright
Planning a trip in May

Is May a good time to visit Rimouski?

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

2.4
Sightseeing
5th-best month of the year
0.0
Beach & pool
5th-best month of the year

May is a weaker month for outdoor sightseeing in Rimouski.

What to pack for Rimouski in May

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

In May, Rimouski sees daytime highs around 11°C and nights near 5°C. Pack a warm layer. Worth having: rain gear and sun protection. About 12 days see rain.

a warm layerrain gearsun protection

Sea temperature near Rimouski in May

The nearest coast averages about 4°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 12°C and coldest in February near -0°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°5°10°15°JanFebMarAprMayJunJulAugSepOctNovDecbracing
Sea temperature (°C)Comfort
Jan0Bracing
Feb0Bracing
Mar0Bracing
Apr2Bracing
May4Bracing
Jun9Bracing
Jul11Bracing
Aug12Bracing
Sep9Bracing
Oct6Bracing
Nov2Bracing
Dec1Bracing

UV index in Rimouski in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Rimouski peaks around July 12 at about 7 (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 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 12UV 7Jan 10UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May5Moderate
Jun6High
Jul7High
Aug2Moderate
Sep4Moderate
Oct2Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Rimouski?

Rimouski sits at 48.4°N, 68.5°W, 23 m above sea level, in Canada. The nearest listed city is Baie-Comeau, 90 km away.

Topography around Rimouski

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

Within 3 km, the terrain around Rimouski has only modest variations in elevation — a maximum elevation change of 191 m around an average of 36 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 385 m; within 80 km, large variations in elevation — a maximum elevation change of 902 m.

The land around Rimouski is covered by artificial surfaces (33%) and water (30%) within 3 km, water (42%) and trees (34%) within 16 km, and trees (57%) and water (34%) within 80 km.

3 km
191 m
16 km
385 m
80 km
902 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Baie-Comeau 90 km · Rivière-du-Loup 102 km · Edmundston 120 km · Chicoutimi 187 km · Saguenay 188 km · Jonquière 201 km · Alma 231 km · Sept-Îles 249 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 Rimouski (48.4488°, -68.524°, elevation 23 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).