Saint-Denis weather in March

In March, Saint-Denis sees average daytime highs of 26°C and overnight lows near 22°C, with 219 mm of rain across 22 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 3rd-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 21% of the time in March, and the air most often feels muggy.

Daylight stretches from about 12 h 24 min at the start of March to 11 h 48 min by month's end. Set against the rest of the year, March is Saint-Denis's 10th-clearest and 8th-windiest month. For the whole year in context, see Saint-Denis's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
22°
10th coldest
Rainfall
219 mm
22 wet days
Daylight
12 h 06 min
6:23 AM – 6:32 PM
Cloud cover
64%
10th clearest
Wind
8 km/h
8th windiest
Solar energy
5.9 kWh/m²
Travel score
5.0
out of 10

Saint-Denis is French commune in Réunion.

Density
1,084/km²
people per km²
Founded
1669

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

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

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

A typical March day in Saint-Denis reaches about 26°C in the afternoon and slips back to 22°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, March runs on par with February and about 1°C warmer than April.

20°23°25°28°30°151015202531
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62622
72622
82622
92622
102622
112622
122622
132622
142622
152622
162622
172622
182622
192622
202622
212622
222522
232522
242522
252522
262522
272522
282522
292521
302521
312521

Saint-Denis weather by month

How March compares with the rest of the year at a glance. March is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 22°25121.713.14.9
Feb26° / 22°24421.912.74.5
Mar26° / 22°2192212.15.0
Apr25° / 21°7816.711.55.8
May23° / 19°7416116.2
Jun21° / 17°401110.86.6
Jul21° / 16°3611.910.96.5
Aug21° / 16°341011.36.8
Sep21° / 17°3610.111.96.8
Oct23° / 18°471112.56.7
Nov24° / 19°8415.4136.1
Dec25° / 21°13818.913.25.4

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 24% of March, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24159
34159
44258
54159
64159
74159
84060
94060
104060
114159
124159
134258
144258
154258
164357
174456
184456
194555
204654
214654
224753
234852
244951
255050
265050
275248
285248
295446
305446
315545

Chance of precipitation in March

Any precipitation

Saint-Denis gets around 219 mm of rain over 22 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 70% and peaks near 73% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
173
273
373
473
573
673
773
873
973
1072
1172
1272
1372
1472
1571
1671
1770
1869
1969
2069
2169
2269
2369
2469
2569
2668
2768
2867
2966
3066
3165

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, March lands in the muggy band about 67% of days. Sticky, muggy-or-worse air turns up on roughly 92% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
155936
256035
356035
466034
566133
666133
776132
876231
986131
1086230
1186329
1296229
1396328
1496328
1596427
1696526
1796526
1896625
1996724
2086923
2187121
2287220
2387319
2487418
2587517
2687616
2787715
2897714
29107713
30117712
31117811

Wind in March

Winds average 8 km/h in March.

Across March, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in March

DaylightNight

Daylight runs from about 12 h 24 min at the start of March to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over March. Sunrise moves from 6:18 AM to 6:28 AM, and sunset from 6:45 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:186:45
212.46:186:44
312.46:196:43
412.46:196:43
512.46:206:42
612.46:206:41
712.36:206:40
812.36:216:39
912.36:216:38
1012.36:216:38
1112.36:226:37
1212.26:226:36
1312.26:226:35
1412.26:236:34
1512.26:236:33
1612.16:236:32
1712.16:246:31
1812.16:246:30
1912.16:246:30
2012.16:256:29
2112.06:256:28
2212.06:256:27
2312.06:266:26
2412.06:266:25
2512.06:266:24
2611.96:266:23
2711.96:276:22
2811.96:276:21
2911.96:276:20
3011.96:286:19
3111.86:286:18

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 5.9 kWh/m².

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 7.17 kWh/m² in December across the year — March's 5.9 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.1Intense
26.1Intense
36.1Intense
46.0Intense
56.0Intense
66.0Intense
76.0Intense
86.0Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
135.9Bright
145.9Bright
155.9Bright
165.9Bright
175.9Bright
185.9Bright
195.9Bright
205.9Bright
215.9Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.8Bright
275.8Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in March

Hazard calendar for Saint-Denis

In seasonPeak

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

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

Saint-Denis'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 March a good time to visit Saint-Denis?

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

5.0
Sightseeing
10th-best month of the year
4.6
Beach & pool
6th-best month of the year

March is a reasonable time to visit Saint-Denis for sightseeing.

What to pack for Saint-Denis in March

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

In March, Saint-Denis sees daytime highs around 26°C and nights near 22°C. Pack rain gear. Worth having: light clothes and sun protection. About 22 days see rain.

rain gearlight clothessun protection

Sea temperature near Saint-Denis in March

The nearest coast averages about 28°C in March — 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 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
Nov25Warm
Dec27Warm

UV index in Saint-Denis in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 13 (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-Denis peaks around January 18 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 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 18UV 16Jun 23UV 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-Denis?

Saint-Denis sits at 20.9°S, 55.5°E, 44 m above sea level, in Reunion. The nearest listed city is Sainte-Marie, 11 km away.

Sainte-MarieLa PossessionSainte-SuzanneLe PortSaint-AndréSaint-PaulSaint-BenoîtSaint-Leu

Topography around Saint-Denis

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

Within 3 km, the terrain around Saint-Denis has large variations in elevation — a maximum elevation change of 635 m around an average of 104 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,258 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,030 m.

The land around Saint-Denis is covered by water (40%), trees (33%) and artificial surfaces (24%) within 3 km, water (55%) and trees (34%) within 16 km, and water (78%) within 80 km.

3 km
635 m
16 km
2,258 m
80 km
3,030 m
treesgrasslandcroplandartificial surfacesbare terrainwater
March weather nearby: Sainte-Marie 11 km · La Possession 13 km · Sainte-Suzanne 17 km · Le Port 17 km · Saint-André 23 km · Saint-Paul 23 km · Saint-Benoît 33 km · Saint-Leu 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-Denis (-20.8823°, 55.4504°, elevation 44 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).