Climate and monthly weather forecastSaint-Gilles, Reunion

The climate of Saint-Gilles

Saint-Gilles, a charming settlement on the island of Reunion, bears the climatic signature of a Marine west coast region with warm summers, classified under the Köppen climate characterization as "Cfb". This indicates a climate with a considerable amount of rainfall distributed throughout the year, mild temperatures without any severe cold spells and a convivial warm summer.

Over the course of the year, this idyllic town experiences temperatures between 15°C (59°F) and 27°C (80.6°F). A warmer period, from January to April, generally sees thermometers reaching highs of up to 27°C (80.6°F) while cooler months, from June to August, record a decrease from 24°C (75.2°F) to 22°C (71.6°F). Nighttime temperatures rarely plunge below a comfortable 15°C (59°F), even during the coolest months, maintaining a pleasant atmosphere for residents and visitors alike.

Rainfall ranges broadly from 47mm (1.85") in September to a peak of 241mm (9.49") in January with rainfall days varying between 12 in September, and a peak of 19 in February and March. The wettest period is at the start of the year between January and March and there's an overall decline in rainfall toward the year-end.

The level of sunshine throughout the year remains stable with an average of 6 to 7 hours of sunshine per day. The UV index, which stratifies the sun’s strength in Saint-Gilles, peaks at 12 during the summer months and reduces to a low of 6 during the cooler period.

The best time to visit Saint-Gilles

Given its favorable year-round temperatures, there's no bad time to visit Saint-Gilles. However, for visitors who prefer warm weather and lower chances of rainfall, the period between April and December proves ideal. Temperatures range from 22°C (71.6°F) to 27°C (80.6°F) coupled with relatively lesser average monthly rainfall, approximately 51 to 104mm (4.09"). Tourists will have ample daylight, between 11.4 hours to 13.4 hours per day, to explore the island's natural beauty.

The worst time to visit Saint-Gilles

Although Saint-Gilles experiences relatively gentle climate conditions, the months of January to March often come with increased rainfall. During this period, rainfall ranges from 212mm (8.35") to 241mm (9.49") per month coupled with 18 to 19 rainfall days, making it potentially less desirable for outdoor activities.

Spring weather in Saint-Gilles

Characterized by mild climate conditions, spring in Saint-Gilles (September-November) serves beautiful weather for visitors. The average daily temperature ranges from 22°C (71.6°F) to 27°C (80.6°F), while the nights are slightly cooler, falling between 15°C (59°F) to 18°C (64.4°F). Rainfall is minimal, between 47mm (1.85") to 86mm (3.39") per month, with the rainfall days less frequent compared to other seasons.

Summer weather in Saint-Gilles

December starts the summer in Saint-Gilles, marking the beginning of slightly increased temperatures and rainfall. The average high temperature hovers around 27°C (80.6°F), and the nights are still warm with lows of approximately 20°C (68°F). With rainfall registering between 143mm (5.63") to 241mm (9.49") and the rainfall days increasing to 17 to 18, outdoor activities may be somewhat inhibited.

Autumn weather in Saint-Gilles

Autumn in Saint-Gilles stretches from March to May. The days are warm with a temperature scale falling from 27°C (80.6°F) to 24°C (75.2°F) and nights are balmy, with the mercury dropping minimally from 20°C (68°F) to 17°C (62.6°F) over these months. Rainfall decreases gradually from 214mm (8.43") to 104mm (4.09"), and the number of rainfall days reduces from 19 to only 15.

Winter weather in Saint-Gilles

Winter months, from June to August, present the lowest temperatures of the year with daytime temperatures dropping to 23°C (73.4°F) to 22°C (71.6°F). However, nighttime temperatures remain well above chilling levels, varying from 16°C (60.8°F) to 15°C (59°F). Despite being the cooler season, sunshine hours remain steady at around 6 hours per day, and the lowest UV index of 6 can be expected in June and July. Rain remains subdued, experiencing a low between 69mm (2.72") to 83mm (3.27") per month.

Weather in January

Considered part of the warm rainy season in Saint-Gilles, Reunion, January boasts of heaviest rainfall, measuring 241mm (9.49"). The entirety of the month typically experiences high humidity which pairs with the warmer temperatures, creating a tropical atmosphere. Weather in January »

Weather in February

In February, Saint-Gilles, Reunion experiences a continuation of the tropical weather pattern from January, albeit with a slight decrease in rainfall amounting to 212mm (8.35"). This reduction in rainfall makes February slightly drier compared to the previous month. Weather in February »

Weather in March

Stepping into March, the weather in Saint-Gilles, Reunion begins showing subtle signs of transitional weather. With rainfall still high at 214mm (8.43"), March remains enveloped in the tropical vibe characteristic of the previous months. Weather in March »

Weather in April

The shift from summer to autumn becomes more apparent in April in Saint-Gilles, Reunion. A noticeable decrease is observed in rainfall to 164mm (6.46"), signalling the onset of drier months. Correspondingly, cooler temperatures prevail with a gradual dip in the sea temperature as well. Weather in April »

Weather in May

May marks an important weather transition as Saint-Gilles, Reunion ushers in lower temperatures of 24°C (75.2°F) and 17°C (62.6°F) for highs and lows respectively. Paralleling this, rainfall amounts drop considerably with only 104mm (4.09") expected throughout the month. Weather in May »

Weather in June

The weather in June in Saint-Gilles, Reunion sees further reduction in the various parameters. With the land and sea temperatures continuing their descent, the weather lends itself to more comfortable exploration of the outdoor beauty Saint-Gilles is famed for. Weather in June »

Weather in July

July brings in the coolest weather of the year in Saint-Gilles, Reunion, with the temperatures fluctuating between 22°C (71.6°F) for the high and 15°C (59°F) for the low. Corresponding to these terrestrial temperatures is the dip in sea temperatures, marking the season's low. Weather in July »

Weather in August

In August, Saint Gilles, Reunion, a stability in temperatures is bestowed, mirroring those of July. Notable is the slight decrease in rainfall compared to July, summing 69mm (2.72"). As the UV index begins to rise again, the balance between fresh cooler temperatures and welcoming sunshine hours continues. Weather in August »

Weather in September

September witnesses a shift in the weather pattern in Saint-Gilles, Reunion with a slight increase in the average highs and lows. The most noticeable shift though is the lowest recorded rainfall for the year at just 47mm (1.85"). Weather in September »

Weather in October

A noticeable shift in the climatic signature can be detected in October in Saint-Gilles, Reunion. The temperature sees a slight increase, and the UV index matches it with its own rise. Interestingly, despite the increase in temperature, the rainfall amounts remain nearly equivalent to the preceding month. Weather in October »

Weather in November

As one steps into November in Saint-Gilles, Reunion, summer starts making its presence felt with another notch up in temperatures. Accompanying the rising mercury is a marked increase in precipitation with rainfall amounts shooting up to 86mm (3.39"). Weather in November »

Weather in December

Culminating the weather calendar in Saint-Gilles, Reunion, December brings in the full force of the wet, warm season. The temperature range settles at a high of 27°C (80.6°F) and a low of 20°C (68°F), with the rainfall surging notably to 143mm (5.63"). Weather in December »