Saint-Joseph weather in April

In April, Saint-Joseph sees average daytime highs of 25°C and overnight lows near 24°C, with 63 mm of rain across 10.2 wet days and about 11.5 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 61% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 12 min by month's end. Set against the rest of the year, April is Saint-Joseph's 8th-clearest and 5th-windiest month. For the whole year in context, see Saint-Joseph's year-round climate.

Daytime high
25°
4th warmest
Overnight low
24°
9th coldest
Rainfall
63 mm
10.2 wet days
Daylight
11 h 30 min
6:32 AM – 6:03 PM
Cloud cover
39%
8th clearest
Wind
21 km/h
5th windiest
Solar energy
5.1 kWh/m²
Travel score
7.1
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 25°C through the month.

A typical April day in Saint-Joseph reaches about 25°C in the afternoon and slips back to 24°C overnight — a 1°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 26°C. Set against its neighbours, April runs about 1°C cooler than March and about 1°C warmer than May.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12625
22625
32625
42625
52625
62624
72624
82624
92624
102624
112624
122624
132524
142524
152524
162524
172524
182524
192524
202524
212524
222524
232524
242524
252524
262524
272524
282524
292524
302524

Saint-Joseph weather by month

How April compares with the rest of the year at a glance. April is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 25°14412.713.26.3
Feb26° / 25°13413.112.76.1
Mar26° / 25°12511.212.26.7
Apr25° / 24°6310.211.57.1
May24° / 23°559.4117.6
Jun23° / 21°428.310.77.6
Jul22° / 20°419.110.87.3
Aug21° / 20°296.411.37.8
Sep22° / 21°234.911.98.0
Oct23° / 22°244.812.58.1
Nov24° / 23°456138.0
Dec25° / 24°769.213.37.2

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 61% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 25%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17525
27525
37525
47525
57525
67426
77426
87327
97327
107327
117327
127228
137228
147228
157228
167228
177327
187327
197327
207525
217525
227624
237723
247822
257822
267921
277921
288020
298020
308119

Chance of precipitation in April

Any precipitation

Saint-Joseph gets around 63 mm of rain over 10.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
132
232
332
432
533
633
734
835
935
1036
1137
1237
1337
1437
1537
1637
1737
1836
1936
2035
2134
2234
2334
2434
2533
2633
2733
2834
2934
3034

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 58% of days. Sticky, muggy-or-worse air turns up on roughly 95% of them.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1022672
2032770
3032869
4032968
5033067
6033166
7033166
8043264
9043264
10043363
11043363
12043363
13043462
14043462
15043462
16043561
17043561
18043660
19053758
20053857
21053956
22064054
23164152
24164350
25174449
26174547
27184645
28194743
29294841
302104938

Wind in April

Winds average 21 km/h in April.

Across April, daily wind ranges from about 20 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
121breezy
221breezy
321breezy
421breezy
521breezy
621breezy
722breezy
822breezy
922breezy
1022breezy
1122breezy
1222breezy
1322breezy
1421breezy
1521breezy
1621breezy
1721breezy
1821breezy
1921breezy
2021breezy
2121breezy
2221breezy
2321breezy
2420breezy
2520breezy
2620breezy
2720breezy
2820breezy
2920breezy
3020breezy

Sunrise & sunset in April

DaylightNight

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

Days shrink by about 36 minutes over April. Sunrise moves from 6:28 AM to 6:38 AM, and sunset from 6:17 PM to 5:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:286:17
211.86:286:16
311.86:286:15
411.86:296:14
511.76:296:13
611.76:296:12
711.76:306:11
811.76:306:10
911.76:306:09
1011.66:316:08
1111.66:316:07
1211.66:316:07
1311.66:316:06
1411.56:326:05
1511.56:326:04
1611.56:326:03
1711.56:336:02
1811.56:336:01
1911.46:346:01
2011.46:346:00
2111.46:345:59
2211.46:355:58
2311.46:355:57
2411.46:355:57
2511.36:365:56
2611.36:365:55
2711.36:365:54
2811.36:375:54
2911.36:375:53
3011.26:385:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.1 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 7.07 kWh/m² in November across the year — April's 5.1 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.6Bright
25.5Bright
35.5Bright
45.5Bright
55.5Bright
65.4Bright
75.4Bright
85.3Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.2Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.9Bright
234.8Bright
244.8Bright
254.8Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.6Bright
Planning a trip in April

Hazard calendar for Saint-Joseph

In seasonPeak

In April, Saint-Joseph sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

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

Saint-Joseph's rainy season runs December–March, when most of the year's rain falls.

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

Is April a good time to visit Saint-Joseph?

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

7.1
Sightseeing
9th-best month of the year
6.5
Beach & pool
3rd-best month of the year

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

What to pack for Saint-Joseph in April

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

In April, Saint-Joseph sees daytime highs around 25°C and nights near 24°C. Worth packing: light clothes, rain gear, sun protection and a windbreaker. About 10 days see rain.

light clothesrain gearsun protectiona windbreaker

Sea temperature near Saint-Joseph in April

The nearest coast averages about 27°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore 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
Feb28Warm
Mar28Warm
Apr27Warm
May26Warm
Jun25Warm
Jul24Refreshing
Aug23Refreshing
Sep23Refreshing
Oct24Warm
Nov25Warm
Dec27Warm

UV index in Saint-Joseph in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Saint-Joseph 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
Jan17Extreme
Feb15Extreme
Mar13Extreme
Apr10Extreme
May8Very high
Jun6High
Jul6High
Aug9Very high
Sep10Extreme
Oct12Extreme
Nov13Extreme
Dec14Extreme
Location & terrain

Where is Saint-Joseph?

Saint-Joseph sits at 21.4°S, 55.6°E, 43 m above sea level, in Reunion. The nearest listed city is Saint-Pierre, 15 km away.

Saint-PierreLe TamponSaint-LouisPiton Saint-LeuSaint-BenoîtSaint-LeuSaint-AndréSainte-Suzanne

Topography around Saint-Joseph

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

Within 3 km, the terrain around Saint-Joseph has significant variations in elevation — a maximum elevation change of 486 m around an average of 108 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,407 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,030 m.

The land around Saint-Joseph is covered by trees (39%) and water (39%) within 3 km, water (53%) and trees (30%) within 16 km, and water (77%) within 80 km.

3 km
486 m
16 km
2,407 m
80 km
3,030 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Saint-Pierre 15 km · Le Tampon 15 km · Saint-Louis 24 km · Piton Saint-Leu 36 km · Saint-Benoît 39 km · Saint-Leu 41 km · Saint-André 46 km · Sainte-Suzanne 52 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-Joseph (-21.3777°, 55.6169°, elevation 43 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).