Piton Saint-Leu weather in May

In May, Piton Saint-Leu sees average daytime highs of 24°C and overnight lows near 21°C, with 45 mm of rain across 8.5 wet days and about 11 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 57% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 12 min at the start of May to 10 h 48 min by month's end. Set against the rest of the year, May is Piton Saint-Leu's 4th-clearest and 4th-windiest month. For the whole year in context, see Piton Saint-Leu's year-round climate.

Daytime high
24°
7th warmest
Overnight low
21°
6th coldest
Rainfall
45 mm
8.5 wet days
Daylight
11 hours
6:45 AM – 5:45 PM
Cloud cover
40%
4th clearest
Wind
10 km/h
4th windiest
Solar energy
4.42 kWh/m²
Travel score
7.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical May day in Piton Saint-Leu reaches about 24°C in the afternoon and slips back to 21°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 25°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12522
22522
32522
42522
52522
62422
72422
82422
92422
102422
112422
122421
132421
142421
152421
162421
172421
182421
192421
202421
212421
222421
232421
242321
252321
262321
272321
282321
292321
302321
312320

Piton Saint-Leu weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 7th-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°15417.612.25.6
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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 57% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 24% of May, with mostly cloudy or overcast conditions the remaining 19%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17822
27822
37723
47723
57822
67723
77723
87723
97723
107723
117723
127723
137822
147822
157921
168020
178020
188119
198218
208317
218317
228416
238515
248614
258614
268614
278713
288713
298713
308812
318812

Chance of precipitation in May

Any precipitation

Piton Saint-Leu gets around 45 mm of rain over 8.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
333
433
532
631
731
830
930
1029
1129
1228
1328
1428
1527
1627
1727
1826
1926
2026
2126
2225
2325
2425
2525
2625
2725
2825
2925
3025
3125

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the humid band about 45% of days. Sticky, muggy-or-worse air turns up on roughly 43% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
104256110
20526609
30528598
40630568
50632557
60634537
70736516
80738496
90840485
100842464
110944444
120946423
1301047403
1401049392
1501150372
1601151362
1701252351
1801253341
1901352341
2001353331
2101453330
2201454320
2311552320
2411552320
2511553310
2611652310
2711752300
2811753290
2911852290
3021951280
3122051270

Wind in May

Winds average 10 km/h in May.

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

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 12 min at the start of May to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 6:39 AM to 6:52 AM, and sunset from 5:53 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:395:53
211.26:395:52
311.26:405:52
411.26:405:51
511.26:415:50
611.16:415:50
711.16:415:49
811.16:425:49
911.16:425:48
1011.16:435:48
1111.16:435:47
1211.16:445:47
1311.06:445:46
1411.06:445:46
1511.06:455:45
1611.06:455:45
1711.06:465:44
1811.06:465:44
1911.06:475:44
2010.96:475:43
2110.96:475:43
2210.96:485:43
2310.96:485:42
2410.96:495:42
2510.96:495:42
2610.96:505:42
2710.96:505:41
2810.86:505:41
2910.86:515:41
3010.86:515:41
3110.86:525:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.42 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 — May's 4.42 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.6Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
314.2Bright
Planning a trip in May

Hazard calendar for Piton Saint-Leu

In seasonPeak

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

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

Piton 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 May a good time to visit Piton Saint-Leu?

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

7.5
Sightseeing
3rd-best month of the year
6.3
Beach & pool
1st-best month of the year

May is one of the better times to visit Piton Saint-Leu for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Piton Saint-Leu in May

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

In May, Piton Saint-Leu sees daytime highs around 24°C and nights near 21°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

Sea temperature near Piton Saint-Leu in May

The nearest coast averages about 26°C in May — 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 23°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
Mar28Warm
Apr27Warm
May26Warm
Jun25Warm
Jul24Refreshing
Aug23Refreshing
Sep23Refreshing
Oct24Warm
Nov25Warm
Dec27Warm

UV index in Piton Saint-Leu in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Piton 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 Piton Saint-Leu?

Piton Saint-Leu sits at 21.2°S, 55.3°E, 350 m above sea level, in Reunion. The nearest listed city is Saint-Leu, 6.0 km away.

Saint-LeuSaint-LouisSaint-PierreLe TamponSaint-PaulLe PortLa PossessionSaint-Joseph

Topography around Piton Saint-Leu

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

Within 3 km, the terrain around Piton Saint-Leu has large variations in elevation — a maximum elevation change of 897 m around an average of 293 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,875 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,030 m.

The land around Piton Saint-Leu is covered by trees (47%) within 3 km, water (51%) and trees (31%) within 16 km, and water (79%) within 80 km.

3 km
897 m
16 km
2,875 m
80 km
3,030 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Saint-Leu 6.0 km · Saint-Louis 12 km · Saint-Pierre 22 km · Le Tampon 22 km · Saint-Paul 24 km · Le Port 31 km · La Possession 32 km · Saint-Joseph 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 Piton Saint-Leu (-21.2196°, 55.3151°, elevation 350 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).