Climate and monthly weather forecastSainte-Rose, Reunion
Climate and monthly weather forecast
The climate of Sainte-Rose
Sainte-Rose, Reunion experiences a tropical wet and dry climate, also known as savanna, classified under the Köppen climate classification as 'As'. This climatic condition indicates a prevailing influence of tropical easterly winds, resulting in an annual temperature range from 18.2°C (64.8°F) to 25.7°C (78.3°F). The rainy season is pronounced, with the highest rainfall reaching 199mm (7.83") in January, followed by a dry period from July to September with lowest rainfall recording 26mm (1.02") in September.Throughout the year, the town experiences tolerably warm temperatures with average daily highs ranging between 20.4°C (68.7°F) and 24.6°C (76.3°F) in the winter and summer seasons respectively, and overnight lows dipping from 18.5°C (65.3°F) to 20.8°C (69.4°F) during the same periods. Relative humidity remains moderately high all year round, fluctuating from 79% to 84%.
In terms of sunlight, Sainte-Rose enjoys an average daylight span between 10.9 hours and 13.4 hours from June to December. Sunshine ranges from 6.3 hours per day in June to a vivacious 10.2 hours in October, offering plenty of opportunities for outdoor activities. Overall, the weather patterns reveal a unique blending of tropical warmth, varied rainfall, and generous sunshine.
The best time to visit Sainte-Rose
The prime time to visit Sainte-Rose depends largely on personal preference, considering the relatively stable year-round climate. However, for those wanting to maximize outdoor activities under more radiant sun and reduced rainfall, the period from September to November is wonderful. Less rainfall means less cloud cover, and therefore more hours of sunshine, perfect for a day at the beach or exploring the tropical landscapes.The worst time to visit Sainte-Rose
On the flip side, visitors who are averse to heavy rainfall may want to avoid the months between January and March. These are the peak rainy months, registering an average rainfall from 164mm (6.46") to 199mm (7.83") and a high number of rainy days. This period also corresponds with the highest relative humidity levels, which can lead to a less comfortable visit, especially for those not used to the tropic climate conditions.Spring weather in Sainte-Rose
Spring in Sainte-Rose begins in September and lasts until November. These months are met with drier conditions, evidenced by rainfall levels declining dramatically to 78mm (3.07") and the number of rainy days diminishing to around 21.3 days. The temperature in this category exhibits a climb from an average low of 18.5°C (65.3°F) to 20.1°C (68.2°F) and a high from 21°C (69.8°F) to 22.5°C (72.5°F), signaling the transition into the warmer months.Summer weather in Sainte-Rose
From December to February, Sainte-Rose undergoes summer that brims with high temperatures and increased rainfall. The average high temperature escalates up to 25.1°C (77.2°F), with minimum temperature not falling below 22.7°C (72.9°F). Rainfall becomes abundant, reaching a hefty 199mm (7.83") in December, characterized by the number of rainy days peaking to 26.7 per month.Autumn weather in Sainte-Rose
Autumn, spanning from March to May, witnesses a slight dip in the temperature, with the maximum average falling from 25.5°C (77.9°F) to 22.8°C (73°F) and the minimum temperature from 23.2°C (73.8°F) to 20.8°C (69.4°F). Rainfall also decreases, from 196mm (7.72") to 71mm (2.8") per month, pointing towards a dryer time in the year. It is during this period that the overall weather begins to converge to the median values, leading to moderate climatic conditions.Winter weather in Sainte-Rose
Winter season in Sainte-Rose, which runs from June to August, carries with it cooler conditions, demonstrated by an average high temperature that descends from 21.4°C (70.5°F) to 20.4°C (68.7°F), and an average low temperature that stabilizes around 18.2°C (64.8°F). The dry period continues through winter, with the lowest rainfall registered to be 33mm (1.3") in August, resulting in dry and favorable conditions for outdoor exploration. The daylight and sunshine during winter are relatively consistent, scoring an average duration from 10.9 hours to 11.4 hours and 6.3 hours to 8.3 hours respectively.Weather in January
The start of the year in Sainte-Rose, Reunion, is marked by warm weather and frequent rainfall. With higher humidity, January's ambiance leans towards a tropical atmosphere. The average pressure hits 1011.2mb, and the most conspicuous wind gusts reach speeds of 19.3km/h (12mph). Weather in January »Weather in February
February, much like its proceeding month, maintains warm temperatures and a slightly increased overall humidity. The wind speed remains almost consistent with January, while surface pressure takes a slight dip to 1011 mb. Sunlight hours are somewhat reduced due to February's slight increase in cloud coverage to 48%. Weather in February »Weather in March
Weather in March continues to follow the previous month's pattern, with temperatures moderately high and similar atmospheric pressure. As Sainte-Rose transitions towards the middle of the year, residents experience a mere fluctuation in wind speeds, now roughly 14.3km/h (8.9mph). Weather in March »Weather in April
In Sainte-Rose, April brings a slight reduction in temperature, yet the weather stays comfortably warm. Distinguished from previous months, April exhibits an increase in average atmospheric pressure, reaching 1014.5 mb. Despite this, rainfall decreases and wind speed changes are barely perceptible. Weather in April »Weather in May
As Sainte-Rose progresses into May, a distinct trend in weather shifts becomes apparent. A cooler climate begins developing as average temperatures take a downward turn, reaching a lower 20.8°C (69.4°F) and a higher 22.8°C (73°F). Weather in May »Weather in June
June in Sainte-Rose brings about more noticeable changes in the weather pattern. Cooler temperatures become more pronounced, cloud coverage reduces, and average wind speeds increase to 17.6km/h (10.9mph), offering a bracing change to the earlier warm and moist months. Weather in June »Weather in July
July, the heart of winter in Sainte-Rose, Reunion, exhibits promising weather conditions. A downward trend in temperature continues with a lower average of 18.3°C (64.9°F) and an upper limit of 20.6°C (69.1°F). With the most minimal rainfall recorded throughout the year and a decreased cloud cover, July offers expanded outdoor opportunities. Weather in July »Weather in August
Entering August, Sainte-Rose experiences a slight increase in temperature compared to July. In terms of other weather parameters, August has a greater resemblance to July rather than with September. Though the UV index is the same as the previous month, August brings increased hours of sunshine, peaking at an average of 8.3 hrs/day. Weather in August »Weather in September
September in Sainte-Rose sees an end to the winter season, with temperatures moving up the scale and returning to a higher average of 21°C (69.8°F). The atmospheric pressure decreases marginally to 1020.7 mb and wind speeds return to lower values of around 15.7km/h (9.8mph). Weather in September »Weather in October
In Sainte-Rose, October signals the start of warmer periods with average temperatures inclining to reach 22.5°C (72.5°F). The daylight hours increase again, allowing more time for outdoor activities within the city. Interestingly, the wind speed continues reducing, hitting an average of 14.2km/h (8.8mph). Weather in October »Weather in November
The arrival of November in Sainte-Rose signifies an evident shift towards summer. The temperatures rise, reaching averages above 23°C (73.4°F). The atmospheric pressure lowers to 1015.6 mb, and wind speed takes a further tumble to reach an average of 12.4km/h (7.7mph). Weather in November »Weather in December
December in Sainte-Rose, Reunion, paints a scenario of tropical warmth with reasonably held humidity. With averages ranging between 22.7°C (72.9°F) to 25.1°C (77.2°F), December weather profiles as humid and warm with the highest rainfall of 99mm (3.9"). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Sainte-Rose, Reunion
The warmest month (with the highest average high temperature) is January (25.7°C).
The month with the lowest average high temperature is August (20.4°C).
The month with the highest average low temperature is February (23.6°C).
The coldest month (with the lowest average low temperature) is August (18.2°C).
Average pressure
Sainte-Rose, Reunion
- Average pressure in January:
1011.2mbar - Average pressure in February:
1011mbar - Average pressure in March:
1012.3mbar - Average pressure in April:
1014.5mbar - Average pressure in May:
1017.3mbar - Average pressure in June:
1019.6mbar
- Average pressure in July:
1020.6mbar - Average pressure in August:
1021.3mbar - Average pressure in September:
1020.7mbar - Average pressure in October:
1018.1mbar - Average pressure in November:
1015.6mbar - Average pressure in December:
1013.3mbar
The month with the highest atmospheric pressure is August (1021.3mbar).
The month with the lowest atmospheric pressure is February (1011mbar).
Average wind speed
Sainte-Rose, Reunion
- Average wind speed in January:
14.1km/h - Average wind speed in February:
13.9km/h - Average wind speed in March:
14.3km/h - Average wind speed in April:
15.4km/h - Average wind speed in May:
15km/h - Average wind speed in June:
17.6km/h
- Average wind speed in July:
18km/h - Average wind speed in August:
16.9km/h - Average wind speed in September:
15.7km/h - Average wind speed in October:
14.2km/h - Average wind speed in November:
12.4km/h - Average wind speed in December:
12.4km/h
The windiest month (with the highest average wind speed) is July (18km/h).
The calmest months (with the lowest average wind speed) are November and December (12.4km/h).
Average humidity
Sainte-Rose, Reunion
The months with the highest relative humidity are February and March (84%).
The months with the lowest relative humidity are August and September (79%).
Average rainfall
Sainte-Rose, Reunion
- Average rainfall in January:
199mm - Average rainfall in February:
164mm - Average rainfall in March:
196mm - Average rainfall in April:
125mm - Average rainfall in May:
71mm - Average rainfall in June:
50mm
The wettest month (with the highest rainfall) is January (199mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days
Sainte-Rose, Reunion
- Average rainfall days in January:
27.3 days - Average rainfall days in February:
26.5 days - Average rainfall days in March:
27.7 days - Average rainfall days in April:
25.2 days - Average rainfall days in May:
23.1 days - Average rainfall days in June:
20.7 days
- Average rainfall days in July:
21.7 days - Average rainfall days in August:
20.8 days - Average rainfall days in September:
18.5 days - Average rainfall days in October:
20.8 days - Average rainfall days in November:
21.3 days - Average rainfall days in December:
26.7 days
The month with the highest number of rainy days is March (27.7 days).
The month with the least rainy days is September (18.5 days).
Average daylight / Average sunshine
Sainte-Rose, Reunion
- Average daylight in January:
13h and 18min - Average daylight in February:
12h and 48min - Average daylight in March:
12h and 12min - Average daylight in April:
11h and 36min - Average daylight in May:
11h and 6min - Average daylight in June:
10h and 54min
- Average daylight in July:
11h and 0min - Average daylight in August:
11h and 24min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 36min - Average daylight in November:
13h and 6min - Average daylight in December:
13h and 24min
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 January:
9h and 30min - Average sunshine in February:
7h and 36min - Average sunshine in March:
7h and 42min - Average sunshine in April:
7h and 18min - Average sunshine in May:
6h and 30min - Average sunshine in June:
6h and 18min
- Average sunshine in July:
6h and 30min - Average sunshine in August:
8h and 18min - Average sunshine in September:
8h and 54min - Average sunshine in October:
10h and 12min - Average sunshine in November:
9h and 54min - Average sunshine in December:
10h and 0min
The month with the most sunshine is October (Average sunshine: 10h and 12min).
The month with the least sunshine is June (Average sunshine: 6h and 18min).
Average sunshine days
Sainte-Rose, Reunion
- Average sunshine days in January:
1.1 days - Average sunshine days in February:
0.3 days - Average sunshine days in March:
0.8 days - Average sunshine days in April:
1.5 days - Average sunshine days in May:
3.2 days - Average sunshine days in June:
4.8 days
- Average sunshine days in July:
4.4 days - Average sunshine days in August:
3.8 days - Average sunshine days in September:
4.3 days - Average sunshine days in October:
5.5 days - Average sunshine days in November:
3.7 days - Average sunshine days in December:
1.2 days
The month with the most sunshine days is October (5.5 days).
The month with the least sunshine days is February (0.3 days).
Average UV index
Sainte-Rose, Reunion
The months with the highest UV index are January, February, March, April, May, November and December (UV index 6).
The months with the lowest UV index are June, July, August, September and October (UV index 5).
Average cloud cover
Sainte-Rose, Reunion
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 33).
Average visibility
Sainte-Rose, Reunion
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





