Monthly climate guide

Saint-Denis weather in July

Expect warm weather in Saint-Denis in July: afternoons reach about 21°C (70°F), while nights drop to around 18°C (64°F). Around 26 mm of rain falls over the month (fairly dry), and skies are a mix of sun and cloud. Daytime highs are about the same as June and about the same as August.

What stands out in July

It's one of the drier months, with about 58% less rain than Saint-Denis's average.
July sits in Saint-Denis's drier season — usually a comfortable time to visit.
July is among Saint-Denis's three coolest months.
Days and nights are close, only about 4°C apart.

July is typically Saint-Denis's coolest month.

Avg high

21°C

70°F

Avg low

18°C

64°F

Rainfall

26 mm

fairly dry

Humidity

77%

relative

Sky

47%

cloud · a mix of sun and cloud

Live Saint-Denis forecast Where else to go in July

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Saint-Denis weather by month

Low → high °C Rain (mm)

Show the monthly averages as a table

Average monthly climate in Saint-Denis
Month	Avg high	Avg low	Rain	Humidity	Cloud cover
January	27°C / 80°F	23°C / 73°F	150 mm	79%	58%
February	27°C / 80°F	23°C / 73°F	109 mm	80%	58%
March	26°C / 79°F	23°C / 73°F	144 mm	81%	55%
April	25°C / 77°F	22°C / 71°F	77 mm	81%	50%
May	24°C / 74°F	20°C / 68°F	39 mm	78%	46%
June	22°C / 71°F	19°C / 65°F	36 mm	79%	48%
July	21°C / 70°F	18°C / 64°F	26 mm	77%	47%
August	21°C / 70°F	17°C / 63°F	27 mm	77%	46%
September	22°C / 72°F	18°C / 64°F	21 mm	75%	42%
October	24°C / 75°F	19°C / 66°F	30 mm	75%	43%
November	26°C / 78°F	20°C / 69°F	44 mm	74%	45%
December	27°C / 80°F	22°C / 72°F	47 mm	74%	47%

What to pack for July

T-shirts plus a light layer for the evening
Comfortable trainers or sandals for long walks

Full season-by-season packing guide →

Is July a good time to visit Saint-Denis?

Compare the months in the chart above to find your ideal window.

Best time to visit Saint-Denis →

Other Réunion cities in July

Saint-Pierre

23° / 22°C · 18 mm

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Saint-Denis weather in July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/reunion/saint-denis/july

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Saint-Denis in July: quick answers

Is July a good time to visit Saint-Denis?

Yes. July is one of the best months for Saint-Denis, with highs around 21°C and about 26 mm of rain.

How warm is Saint-Denis in July?

Average highs are about 21°C (70°F) and average lows about 18°C (64°F), based on 10 years of daily data.

Does it rain a lot in Saint-Denis in July?

Saint-Denis typically gets around 26 mm of rain in July — fairly dry.

Figures are long-term averages for the area around Saint-Denis (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.