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WorldRéunion → Saint-Denis

Weather in Saint-Denis — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive
Now in Saint-Denis
🌙
+19°
Mostly clear
Feels like +19° · humidity 70%
Tue 28.7: +27° / +19°
🕐 01:25
Wind
6 km/h
UV index
0
Air (AQI)
22 · Good
Precipitation
22%
Humidity
70%
Pressure
1022 hPa
Sunrise / sunset
06:51 / 17:58
Sea temperature
🌊 +25°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.
Weather for an activity:

Detailed weather information for Saint-Denis

Tuesday, 28 July, in Saint-Denis (Réunion): partly cloudy, warm. During the day the air will warm up to +27°, at night around +19°. Wind up to 10 km/h. Brief rain is possible — an umbrella won't hurt. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +25° — great for swimming. The sun will rise at 06:51 and set at 17:58 — daylight lasts 11 hours.

Hourly weather in Saint-Denis

🌅 sunrise 06:51 🌇 sunset 17:58🌙🌙☀️🌤️🌤️🌙+19°+19°+19°+26°+27°+26°+23°+20°6%6%53%78%25%2%01:0004:0007:0010:0013:0016:0019:0022:00
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Saint-Denis for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
Tue 28.7
💧 22%
+19° +27°
Morning
+22°
Day
+27°
Evening
🌇
+25°
Night
🌙
+19°
Partly cloudy · precipitation 22% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Today 29.7
💧 78%
+19° +27°
Morning
🌤️
+22°
Day
+27°
Evening
🌇
+23°
Night
🌙
+19°
Partly cloudy · precipitation 78% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tomorrow 30.7
🌦️
💧 73%
+19° +28°
Morning
☀️
+22°
Day
🌦️
+28°
Evening
🌇
+22°
Night
🌙
+19°
Drizzle · precipitation 73% · wind up to 10 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 31.7
🌦️
💧 96%
+19° +27°
Morning
🌦️
+22°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+19°
Drizzle · precipitation 96% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sat 1.8
🌦️
💧 57%
+20° +27°
Morning
🌦️
+23°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+20°
Rain showers · precipitation 57% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sun 2.8
🌦️
💧 17%
+19° +28°
Morning
🌦️
+22°
Day
🌦️
+28°
Evening
🌇
+26°
Night
🌙
+19°
Drizzle · precipitation 17% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 3.8
🌦️
💧 60%
+20° +28°
Morning
🌦️
+23°
Day
🌦️
+28°
Evening
🌇
+26°
Night
🌙
+20°
Drizzle · precipitation 60% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 4.8
☀️
💧 37%
+21° +27°
Morning
☀️
+23°
Day
☀️
+27°
Evening
🌇
+26°
Night
🌙
+21°
Clear · precipitation 37% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 5.8
🌦️
💧 53%
+21° +25°
Morning
🌦️
+22°
Day
🌦️
+25°
Evening
🌇
+24°
Night
🌙
+21°
Drizzle · precipitation 53% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 6.8
🌤️
💧 71%
+19° +27°
Morning
🌤️
+22°
Day
🌤️
+27°
Evening
🌇
+25°
Night
🌙
+19°
Mostly clear · precipitation 71% · wind up to 12 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 7.8
🌦️
💧 73%
+19° +27°
Morning
🌦️
+22°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+19°
Drizzle · precipitation 73% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sat 8.8
🌦️
💧 71%
+20° +27°
Morning
🌦️
+23°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+20°
Drizzle · precipitation 71% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sun 9.8
🌦️
💧 65%
+20° +27°
Morning
🌦️
+23°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+20°
Drizzle · precipitation 65% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 10.8
🌦️
💧 73%
+18° +27°
Morning
🌦️
+21°
Day
🌦️
+27°
Evening
🌇
+25°
Night
🌙
+18°
Drizzle · precipitation 73% · wind up to 7 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏖️ Beach
72 / 100
for sea and sun · Good
🏊 Swimming
72 / 100
water 25° · Good
🏃 Running
46 / 100
comfort for running · Average
🧴 UV
0%
moderate · low
☂️ Rain
22%
possible · low
✨ Stars
73 / 100
evening visibility · Good
🧺 Laundry drying
46 / 100
will dry outside · Average
🚗 Car wash
69 / 100
no rain expected · Good

🌫️ Air quality

22
Good air
European AQI
PM2.5: 7PM10: 11O₃: 56NO₂: 1
The air is clean — you can walk and exercise outside.

🌅 Sun, moon and sea

Sunrise
06:51
Sunset
17:58
Golden hour
17:27
Daylight
11 h (+1 min vs yesterday)
Sea temperature
+25°
🌊 moderate, waves 1.8 m.

Saint-Denis climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+28°
+25°
Jan
+28°
+25°
Feb
+28°
+25°
Mar
+27°
+24°
Apr
+26°
+22°
May
+24°
+20°
Jun
+23°
+19°
Jul
+24°
+19°
Aug
+24°
+20°
Sep
+25°
+21°
Oct
+26°
+22°
Nov
+27°
+24°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month Day Night Sea Precipitation What to pack and what makes the month notable (events, nuances)
January +28° +25° +28° 266 mm Warm and comfortable: +28° by day, +25° at night. It's a rainy month (266 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming. Statistically the wettest month of the year.
February +28° +25° +28° 256 mm Gentle warmth — about +28° daytime, great walking weather. Frequent rain (256 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +28° — great for swimming. This is the hottest month of the year in Saint-Denis.
March +28° +25° +29° 244 mm A comfortable month: +28° by day without exhausting heat. One of the wettest months (244 mm): downpours can derail plans. 😊 light summer clothing. Water at +29° — great for swimming. The sea is at its warmest of the year this month.
April +27° +24° +28° 81 mm Warm and comfortable: +27° by day, +24° at night. It's a rainy month (81 mm) — an umbrella is a must. 😊 light summer clothing. Water at +28° — great for swimming.
May +26° +22° +27° 72 mm Ideal weather: +26° daytime — neither hot nor cold. Frequent rain (72 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +27° — great for swimming.
June +24° +20° +26° 40 mm The most pleasant season: +24° by day, comfortable all day long. 😊 light summer clothing. Water at +26° — great for swimming. The shortest daylight of the year — it gets dark early.
July +23° +19° +25° 37 mm One of the best times to visit: +23° by day, fresh nights. 🙂 a sweater for the evening. Water at +25° — great for swimming. This is the coldest month of the year.
August +24° +19° +24° 35 mm Ideal weather: +24° daytime — neither hot nor cold. 🙂 a sweater for the evening. Water at +24° — great for swimming.
September +24° +20° +25° 37 mm The most pleasant season: +24° by day, comfortable all day long. 😊 light summer clothing. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
October +25° +21° +25° 50 mm One of the best times to visit: +25° by day, fresh nights. 😊 light summer clothing. Water at +25° — great for swimming. Weather-wise, one of the three best months to visit.
November +26° +22° +26° 84 mm Gentle warmth — about +26° daytime, great walking weather. Frequent rain (84 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Water at +26° — great for swimming.
December +27° +24° +27° 140 mm A comfortable month: +27° by day without exhausting heat. One of the wettest months (140 mm): downpours can derail plans. 😊 light summer clothing. Water at +27° — great for swimming. The longest daylight hours of the year — more time for everything.

When to visit Saint-Denis

✅ Recommended time to visit
🌟 Best time: June, September, October
Daytime air+24…+25°
Sea temperature+25…+26°
Precipitationoften
Why: comfortable +24…+25° by day, little rain, warm sea (+25…26°).
⚠️ Doable, with caveats
🌤️ Shoulder season: April, May, July, August, November, December
Daytime air+23…+27°
Sea temperature+24…+28°
Precipitationoften
Why: noticeable rain risk (35–140 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: January, February, March
Daytime air+28…+28°
Sea temperature+28…+29°
Precipitationoften
Why: the rainy season (244–266 mm/month) — downpours almost daily.
Bottom line: the best time to visit Saint-Denis is June, September, October, and the most comfortable months are June, September, October. The toughest months to visit are January, February, March: frequent rain.

🌡️ Today vs the climate normal

Today's high
+27°
Normal for July
+23°
Deviation
4° warmer than normal
A year ago on this day
+26°
Record for this date
+26° (2025)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).

Weather archive for Saint-Denis

📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.

Show the archive for the selected day →

Weather in cities near Saint-Denis

Frequently asked questions about the weather in Saint-Denis

What is the weather in Saint-Denis right now?
Mostly clear, +19°, feels like +19°.
Will it rain in Saint-Denis today?
No: 22% chance, 0 mm.
When is the best time to visit Saint-Denis?
Best time to visit — June, September, October.
Can you swim in Saint-Denis in summer?
In winter the water is around +25° — great for swimming. In summer the sea warms up to +28°.
What time are sunrise and sunset in Saint-Denis?
Sunrise 06:51, sunset 17:58.
Does it snow in Saint-Denis in winter?
No, it practically never snows.
What is the climate in Saint-Denis by month?
Summers up to +28° in February, winters around +19° in July; the wettest month is January.
Is it cold in Saint-Denis in winter?
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
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Data: Open-Meteo (CC-BY 4.0), met.no, NWS · radar RainViewer · archive since 1940 · © wweather1 · TrafficAdv LLC