June weather forecast
Saint-Denis, Reunion

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The glorious landscape of the Saint-Denis city, on Reunion Island
The glorious landscape of the Saint-Denis city, on Reunion Island

Weather in June

As the halfway point of the year, June represents the coldest month in Saint-Denis, Reunion, with temperatures decreasing further and heat giving way to cooler days and nights. Rainfall also decreases to 77mm (3.03") making the city less soggy compared to the months of the year so far. The city responds with indoor festivities and events that capitalize on the cooler and dryer conditions. Fewer hours of daylight are experienced but there are still ample opportunities to take in the city’s charm.

Temperature

In June, Saint-Denis experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 27.5°C (81.5°F) in May to a still moderately hot 26.1°C (79°F). Saint-Denis experiences an average low-temperature reading of 18.9°C (66°F) throughout June.

Rainfall

In June, the rain falls for 7.2 days. Throughout June, 77mm (3.03") of precipitation is accumulated. Throughout the year, in Saint-Denis, there are 119.3 rainfall days, and 1659mm (65.31") of precipitation is accumulated.

Sea temperature

In Saint-Denis, in June, the average water temperature is 25.4°C (77.7°F).
Note: Swimming, diving, and other water-related activities in temperatures between 25°C (77°F) and 29°C (84.2°F) are considered highly enjoyable and satisfying for longer durations without uneasiness.

Daylight

June has the shortest days of the year, with an average of 10h and 54min of daylight.
On the first day of the month, sunrise is at 06:47 and sunset at 17:44. On the last day of June, in Saint-Denis, sunrise is at 06:55 and sunset at 17:48 +04.

Sunshine

In Saint-Denis, the average sunshine in June is 7.1h.

UV index

The months with the lowest UV index are June and July, with an average maximum UV index of 6. A UV Index reading of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index, 6 in June, converts into the following recommendations:
Implement preventive steps and embrace sun safety standards. Protection from skin and eye distress is compulsory. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

Frequently asked questions

What is the average June temperature in Saint-Denis?

In Saint-Denis, in June, the average high-temperature is 26.1°C (79°F), and the average low-temperature is 18.9°C (66°F).

How many days does it rain in June in Saint-Denis?

In Saint-Denis, Reunion, in June, it is raining for 7.2 days, with typically 77mm (3.03") of accumulated precipitation.

What is the water temperature in June in Saint-Denis?

In June, the average sea temperature in Saint-Denis is 25.4°C (77.7°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the month with the shortest days in Saint-Denis?

The month with the shortest days is June, with an average of 10h and 54min of daylight.

What is the average length of the day in June in Saint-Denis?

The average day length in June in Saint-Denis is 10h and 53min.

When are sunrise and sunset in June in Saint-Denis?

In June, on the first day of the month, sunrise is at 06:47 and sunset at 17:44. On the last day of the month, in Saint-Denis, Reunion, sunrise is at 06:55 and sunset at 17:48 +04.

How many hours of sunshine does Saint-Denis have in June?

The average sunshine duration in June in Saint-Denis, Reunion, is 7.1h.

When is the lowest UV index in Saint-Denis?

June and July, with an average maximum UV index of 6, are months with the lowest UV index.

How high is the UV index in June in Saint-Denis?

In Saint-Denis, Reunion, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to UV radiation.

Average temperature in June
Saint-Denis, Reunion

Average temperature in June - Saint-Denis, Reunion
  • Average high temperature in June: 26.1°C

The warmest months (with the highest average high temperature) are January and February (30.1°C).
The month with the lowest average high temperature is July (25.2°C).

  • Average low temperature in June: 18.9°C

The month with the highest average low temperature is February (23.7°C).
The coldest month (with the lowest average low temperature) is August (18°C).

Average rainfall in June
Saint-Denis, Reunion

Average rainfall in June - Saint-Denis, Reunion
  • Average rainfall in June: 76.9mm

The wettest month (with the highest rainfall) is February (351mm).
The driest month (with the least rainfall) is October (43.4mm).

Average rainfall days in June
Saint-Denis, Reunion

Average rainfall days in June - Saint-Denis, Reunion
  • Average rainfall days in June: 7.2 days

The month with the highest number of rainy days is February (14.3 days).
The month with the least rainy days is November (5.9 days).

Average sea temperature in June
Saint-Denis, Reunion

Average sea temperature in June - Saint-Denis, Reunion
  • Average sea temperature in June: 25.4°C

The best month for swimming (with the highest average sea temperature) is March (28.5°C).
The coldest months (with the lowest average sea temperature) are August and September (23.8°C).

Average daylight in June /
Average sunshine in June
Saint-Denis, Reunion

Average daylight in June / Average sunshine in June - Saint-Denis, Reunion
  • Average daylight in June: 10h and 5min

The month with the longest days is December (Average daylight: 13h and 24min).
The month with the shortest days is June (Average daylight: 10h and 54min).

  • Average sunshine in June: 7h and 1min

The months with the most sunshine are April and December (Average sunshine: 7h and 24min).
The months with the least sunshine are January and October (Average sunshine: 6h and 48min).

Average UV index in June
Saint-Denis, Reunion

Average UV index in June - Saint-Denis, Reunion
  • Average UV index in June: 6

The months with the highest UV index are January, February, March, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).

Saint-Denis, Reunion

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