Saint-Jean-sur-Richelieu weather in July

In July, Saint-Jean-sur-Richelieu sees average daytime highs of 26°C and overnight lows near 16°C, with 107 mm of rain across 13.3 wet days and about 15.1 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 27% of the time in July, and the air most often feels humid.

Daylight stretches from about 15 h 24 min at the start of July to 14 h 36 min by month's end. Set against the rest of the year, July is Saint-Jean-sur-Richelieu's 3rd-clearest and 11th-windiest month. For the whole year in context, see Saint-Jean-sur-Richelieu's year-round climate.

Daytime high
26°
1st warmest
Overnight low
16°
12th coldest
Rainfall
107 mm
13.3 wet days
Daylight
15 h 06 min
4:25 AM – 7:33 PM
Cloud cover
58%
3rd clearest
Wind
10 km/h
11th windiest
Solar energy
5.92 kWh/m²
Travel score
6.2
out of 10

Saint-Jean-sur-Richelieu is city in Mobtérégie, Quebec, Canada.

Air quality
Good
PM2.5 7 µg/m³ · 2019
Density
419/km²
people per km²
Founded
2001

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical July day in Saint-Jean-sur-Richelieu reaches about 26°C in the afternoon and slips back to 16°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, July runs about 2°C warmer than June and about 1°C warmer than August.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12616
22616
32616
42616
52616
62616
72616
82616
92616
102616
112616
122616
132616
142616
152616
162616
172616
182616
192616
202616
212616
222616
232616
242616
252616
262616
272616
282616
292616
302616
312616

How July really feels in Saint-Jean-sur-Richelieu

Once humidity and wind are folded in, July 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

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

Saint-Jean-sur-Richelieu weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -13°7111.29.88.90.0
Feb-3° / -12°609.38.210.10.0
Mar / -6°7511.46.911.60.1
Apr11° / 9911.72.313.22.7
May19° / 104120.114.65.6
Jun24° / 14°11712.8015.46.3
Jul26° / 16°10713.3015.16.2
Aug25° / 15°10812.4013.96.5
Sep21° / 11°9810.7012.36.3
Oct13° / 11312.10.510.73.5
Nov / -1°8612.13.59.30.6
Dec-1° / -8°8312.59.28.60.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 23% of July, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14456
24456
34456
44456
54555
64654
74753
84852
94951
104951
115050
125149
135149
145149
155248
165248
175248
185248
195149
205149
215149
225149
235149
245149
255248
265248
275248
285248
295248
305347
315347

Chance of precipitation in July

Any precipitation

Saint-Jean-sur-Richelieu gets around 107 mm of rain over 13.3 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 44% and peaks near 45% on the wettest days.

0%20%40%60%151015202531
Rain chance (%)
145
245
345
445
545
645
744
844
944
1044
1145
1245
1345
1445
1544
1644
1744
1844
1944
2044
2143
2243
2343
2443
2543
2642
2742
2842
2942
3042
3142

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the humid band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 25% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1242828164
2232928164
3222928164
4213028164
5203028174
6193129175
7193129175
8183129175
9173129185
10173030185
11173030195
12162930195
13162931205
14162831205
15162731205
16162731215
17162632215
18162632225
19162532225
20162532225
21162432235
22162433235
23162433235
24162433235
25162433234
26162433234
27152434234
28152434234
29152434224
30152434224
31152534224

Wind in July

Winds average 10 km/h in July.

Across July, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 h 24 min at the start of July to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over July. Sunrise moves from 4:14 AM to 4:40 AM, and sunset from 7:39 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.44:147:39
215.44:147:39
315.44:157:39
415.44:157:38
515.44:167:38
615.44:177:38
715.34:177:38
815.34:187:37
915.34:197:37
1015.34:207:36
1115.34:207:36
1215.24:217:35
1315.24:227:35
1415.24:237:34
1515.24:247:33
1615.14:257:33
1715.14:257:32
1815.14:267:31
1915.14:277:30
2015.04:287:30
2115.04:297:29
2215.04:307:28
2314.94:317:27
2414.94:327:26
2514.94:347:25
2614.84:357:24
2714.84:367:23
2814.74:377:22
2914.74:387:21
3014.74:397:19
3114.64:407:18

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 5.92 kWh/m² — the sunniest month for solar.

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

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.0Intense
36.0Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Intense
96.0Intense
106.0Bright
116.0Bright
126.0Bright
136.0Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in July

Is July a good time to visit Saint-Jean-sur-Richelieu?

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

6.2
Sightseeing
4th-best month of the year
5.9
Beach & pool
1st-best month of the year

July is a reasonable time to visit Saint-Jean-sur-Richelieu for sightseeing.

What to pack for Saint-Jean-sur-Richelieu in July

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

In July, Saint-Jean-sur-Richelieu sees daytime highs around 26°C and nights near 16°C. Worth packing: light clothes, rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Saint-Jean-sur-Richelieu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saint-Jean-sur-Richelieu 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 December 22 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 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr4Moderate
May6High
Jun6High
Jul8Very high
Aug3Moderate
Sep5High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Saint-Jean-sur-Richelieu?

Saint-Jean-sur-Richelieu sits at 45.3°N, 73.3°W, 32 m above sea level, in Canada. The nearest listed city is Chambly, 16 km away.

Topography around Saint-Jean-sur-Richelieu

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Saint-Jean-sur-Richelieu.

Within 3 km, the terrain around Saint-Jean-sur-Richelieu has only modest variations in elevation — a maximum elevation change of 42 m around an average of 36 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 275 m; within 80 km, large variations in elevation — a maximum elevation change of 1,181 m.

The land around Saint-Jean-sur-Richelieu is covered by artificial surfaces (41%) within 3 km, cropland (71%) within 16 km, and trees (47%) and cropland (35%) within 80 km.

3 km
42 m
16 km
275 m
80 km
1,181 m
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Chambly 16 km · Candiac 22 km · La Prairie 22 km · Brossard 22 km · Saint-Hubert 25 km · Saint-Constant 25 km · Saint-Basile-le-Grand 25 km · Greenfield Park 25 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 Saint-Jean-sur-Richelieu (45.3071°, -73.2626°, elevation 32 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).