Saint-Leu weather in July

In July, Saint-Leu sees average daytime highs of 22°C and overnight lows near 19°C, with 18 mm of rain across 5.8 wet days and about 10.8 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 22°C through the month. The sky is clear or mostly clear about 59% of the time in July, and the air most often feels comfortable.

Daylight stretches from about 10 h 42 min at the start of July to 11 hours by month's end. Set against the rest of the year, July is Saint-Leu's 2nd-clearest and 1st-windiest month. For the whole year in context, see Saint-Leu's year-round climate.

Daytime high
22°
11th warmest
Overnight low
19°
2nd coldest
Rainfall
18 mm
5.8 wet days
Daylight
10 h 48 min
7:00 AM – 5:49 PM
Cloud cover
37%
2nd clearest
Wind
12 km/h
1st windiest
Solar energy
4.2 kWh/m²
Travel score
7.6
out of 10

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 22°C through the month.

A typical July day in Saint-Leu reaches about 22°C in the afternoon and slips back to 19°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 23°C. Set against its neighbours, July runs about 1°C cooler than June and on par with August.

15°18°20°23°25°151015202531
Avg high (°C)Avg low (°C)
12219
22219
32219
42219
52219
62219
72219
82219
92219
102219
112219
122219
132219
142219
152219
162119
172119
182119
192119
202119
212119
222119
232119
242119
252119
262119
272119
282119
292119
302119
312119

Saint-Leu weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 24°20622.713.14.7
Feb26° / 24°18718.912.75.0
Mar26° / 24°15417.612.15.6
Apr25° / 23°6012.111.56.6
May24° / 21°458.5117.5
Jun22° / 20°246.310.77.7
Jul22° / 19°185.810.87.6
Aug21° / 19°287.511.37.3
Sep22° / 19°32911.97.1
Oct23° / 20°441212.56.8
Nov24° / 21°6713.4136.5
Dec25° / 23°1241913.35.4

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 59% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 31% of July, with mostly cloudy or overcast conditions the remaining 10%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18911
28911
38911
48911
58911
69010
7919
8919
9919
10919
11919
12919
13919
14919
15919
16919
17919
18919
19919
20919
219010
229010
239010
249010
258911
268911
278911
288911
298812
308812
318812

Chance of precipitation in July

Any precipitation

Saint-Leu gets around 18 mm of rain over 5.8 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 19% and peaks near 21% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
116
216
316
416
516
616
716
816
916
1017
1117
1218
1318
1419
1519
1619
1720
1820
1920
2021
2121
2221
2321
2421
2521
2621
2721
2821
2921
3021
3121

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the comfortable band about 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1951382
2952372
31053352
41153342
51154332
61254322
71255312
81256302
91256302
101257292
111257292
121256302
131355302
141354303
151354303
161353313
171353313
181353313
191352323
201352323
211352323
221252333
231252333
241252333
251252324
261252324
271252324
281254313
291254313
301254313
311255303

Wind in July

Winds average 12 km/h in July, the windiest month of the year.

Across July, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3111calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 42 min at the start of July to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over July. Sunrise moves from 7:00 AM to 6:55 AM, and sunset from 5:44 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.77:005:44
210.77:005:44
310.77:015:45
410.77:015:45
510.77:015:45
610.87:015:46
710.87:015:46
810.87:015:46
910.87:005:47
1010.87:005:47
1110.87:005:47
1210.87:005:48
1310.87:005:48
1410.87:005:49
1510.87:005:49
1610.87:005:49
1710.86:595:50
1810.86:595:50
1910.96:595:50
2010.96:595:51
2110.96:585:51
2210.96:585:52
2310.96:585:52
2410.96:585:52
2510.96:575:53
2610.96:575:53
2711.06:565:54
2811.06:565:54
2911.06:565:54
3011.06:555:55
3111.06:555:55

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 4.2 kWh/m².

For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 7.21 kWh/m² in November across the year — July's 4.2 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Bright
44.0Bright
54.0Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.1Bright
114.1Bright
124.1Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.4Bright
264.4Bright
274.4Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in July

Hazard calendar for Saint-Leu

In seasonPeak

None of Saint-Leu's seasonal hazards are active in July. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Saint-Leu sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Saint-Leu's monsoon runs December–March, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is July a good time to visit Saint-Leu?

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

7.6
Sightseeing
2nd-best month of the year
5.0
Beach & pool
7th-best month of the year

July is one of the better times to visit Saint-Leu for general sightseeing.

What to pack for Saint-Leu in July

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

In July, Saint-Leu sees daytime highs around 22°C and nights near 19°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near Saint-Leu in July

The nearest coast averages about 24°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 18 km away) is warmest in February at about 28°C and coldest in August near 24°C.

The water stays above 20°C all year — warm enough for a swim any month.

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb28Tropical
Mar28Tropical
Apr28Warm
May27Warm
Jun25Warm
Jul24Warm
Aug24Refreshing
Sep24Refreshing
Oct24Warm
Nov26Warm
Dec27Warm

UV index in Saint-Leu in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July 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 Saint-Leu peaks around January 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 17UV 16Jul 10UV 6
UV index (midday)Level
Jan16Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May8Very high
Jun6High
Jul6High
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Saint-Leu?

Saint-Leu sits at 21.2°S, 55.3°E, 10 m above sea level, in Reunion. The nearest listed city is Piton Saint-Leu, 6.0 km away.

Piton Saint-LeuSaint-PaulSaint-LouisLe PortLe TamponSaint-PierreLa PossessionSaint-Denis

Topography around Saint-Leu

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

Within 3 km, the terrain around Saint-Leu has large variations in elevation — a maximum elevation change of 724 m around an average of 162 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,871 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,030 m.

The land around Saint-Leu is covered by water (41%) and trees (39%) within 3 km, water (47%) and trees (31%) within 16 km, and water (78%) within 80 km.

3 km
724 m
16 km
2,871 m
80 km
3,030 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Piton Saint-Leu 6.0 km · Saint-Paul 18 km · Saint-Louis 18 km · Le Port 26 km · Le Tampon 27 km · Saint-Pierre 27 km · La Possession 27 km · Saint-Denis 36 km

Reunion travel facts

Power plugs
Type C / E
220 V · 50 Hz

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-Leu (-21.1706°, 55.2882°, elevation 10 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).