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Contents
- The climate of Cascades
- The best time to visit Cascades
- The worst time to visit Cascades
- Spring weather in Cascades
- Summer weather in Cascades
- Autumn weather in Cascades
- Winter weather in Cascades
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Cascades
Influenced by its geographical position as a tropical island in the southern Indian Ocean, Cascades in Reunion exhibits a Tropical wet and dry climate or savanna, officially classified as As under the Köppen climate classification. Elevated at approximately 275m above sea level, it is characterized by a dry season typically experienced in the summer months and heavy rains all through the winter months.
With its tropical nature, the temperature varies little throughout the year. High temperatures range from 20.4°C (68.7°F) to 25.7°C (78.3°F) while the lows fluctuate from 18.2°C (64.8°F) to 23.6°C (74.5°F). These range conditions benefit from the islands' consistent wet and tropical nature, ensuring warmth throughout the year.
Humidity levels range from 79% to 84%, higher during the colder months but relatively consistent all year round reflecting the island's tropical climate. Rainfall patterns vary significantly, reaching a peak of 199mm (7.83") in January and decreasing to a minimum of 26mm (1.02") in September. The number of rainfall days follows a similar pattern, peaking at 27.7 days in March and declining to 18.5 in September.
Consequently, cloud cover oscillates between 33% and 48%, giving an overall moderate cloudiness across the year. This, along with the average sunlight hours ranging from 6.3 hours to 10.2 hours, suggests a blend of sunshine and cloudiness throughout. Consistent visibility of 10km (6.2mi) throughout the year ensures clear views in all seasons.
With its tropical nature, the temperature varies little throughout the year. High temperatures range from 20.4°C (68.7°F) to 25.7°C (78.3°F) while the lows fluctuate from 18.2°C (64.8°F) to 23.6°C (74.5°F). These range conditions benefit from the islands' consistent wet and tropical nature, ensuring warmth throughout the year.
Humidity levels range from 79% to 84%, higher during the colder months but relatively consistent all year round reflecting the island's tropical climate. Rainfall patterns vary significantly, reaching a peak of 199mm (7.83") in January and decreasing to a minimum of 26mm (1.02") in September. The number of rainfall days follows a similar pattern, peaking at 27.7 days in March and declining to 18.5 in September.
Consequently, cloud cover oscillates between 33% and 48%, giving an overall moderate cloudiness across the year. This, along with the average sunlight hours ranging from 6.3 hours to 10.2 hours, suggests a blend of sunshine and cloudiness throughout. Consistent visibility of 10km (6.2mi) throughout the year ensures clear views in all seasons.
The best time to visit Cascades
Naturally, the ideal time to visit would be the driest period of the year which occurs from July to September. The rainfall during this period ranges from 26mm (1.02") to 37mm (1.46"), and temperatures hover moderately between 18.2°C (64.8°F) and 22.5°C (72.5°F). This coincides with reduced cloudiness and increased sunlight duration (8.3 hours to 10.2), providing perfect conditions for outdoor activities.
The worst time to visit Cascades
On the other hand, the worst time to visit is during the rainiest months that fall between January and March. Rainfall levels spike to an average of 199mm (7.83") in January, and humidity levels are comparatively higher, reaching up to 84%. These conditions result in notably high cloud cover, reaching up to 48% and reducing sunlight hours to an average of 7.6.
Spring weather in Cascades
Spring, generally from September to November, begins with minimal rainfall of 26mm (1.02"), gradually reaching 78mm (3.07") come November. Temperatures linger between a low of 18.5°C (65.3°F) and a high of 23.6°C (74.5°F). The sunlight duration extends from 8.9 hours to 9.9 hours while the cloud cover increases from 33% to 41%, providing a conducive ambiance for outdoor activities.
Summer weather in Cascades
Summer extends from December to February with the highest rainfall recorded in January at 199mm (7.83"), reducing progressively to 125mm (4.92") in February. The temperature reaches its peak, fluctuating from a low of 22.7°C (72.9°F) to a high of 25.7°C (78.3°F). The sunlight duration reduces to as low as 7.6 hours in December due to the heightened cloud cover, one of the highest of 46% in the same month.
Autumn weather in Cascades
During the autumn months from March to May, the rainfall decreases progressively from 196mm (7.72") to 71mm (2.8"). Temperatures remain relatively high, ranging from 20.8°C (69.4°F) to 25.5°C (77.9°F) with sufficient sunlight duration ranging from 7.3 hours to 6.5 hours. Cloud coverage also declines from 48% to 39% from March through May.
Winter weather in Cascades
Winter in Cascades, from June to August, experiences the lowest rainfall, with the least of 33mm (1.3") recorded in August. However, temperatures are relatively cooler, fluctuating between a low of 18.2°C (64.8°F) and a high of 21.4°C (70.5°F). The sunlight duration gradually increases from 6.3 hours to 8.3 hours, and cloud coverage is relatively low compared to other months, oscillating between 35% and 38%, providing clear and bright days.
Weather in January
January in Cascades, Reunion, sees a significant amount of precipitation, making it the wettest month of the year. This abundance of rainfall contributes to high humidity levels, affecting visibility and increasing cloud cover throughout the month. Weather in January »
Weather in February
February marks a subtle change from January with a slight decrease in rainfall, but weather conditions remain predominantly wet. Consistent high temperatures aid the thriving natural habitats of the Cascades. Despite cloudy days, visitors are treated to significant hours of daylight, allowing optimal time for exploring outdoor activities. Weather in February »
Weather in March
Following February, March again experiences increased rainfall. Despite this, the Cascades remain a tropical paradise, with warm temperatures and significant daylight hours. Visitors during March should expect consistent weather patterns, with mild winds and high humidity. Weather in March »
Weather in April
April marks the transition from the wet-season into the more tolerable months. Though rainfall decreases, the weather in the Cascades stays moist due to persistent high humidity. It can be observed that the warm temperatures persist, offering an inviting environment for tourists and locals alike. Weather in April »
Weather in May
May signifies a change in the Cascade’s weather patterns. Consistently warm temperatures and a decrease in rainfall make for enjoyable exploration conditions. While humidity decreases slightly, the atmospheric pressure somewhat increases, creating more stable weather conditions. Weather in May »
Weather in June
June brings about the dry season in the Cascades. Warm temperatures continue to prevail, albeit slightly lower than previous months. Long daylight hours facilitate optimal climatic conditions for outdoor activities. High atmospheric pressure maintains stable weather for most of the month. Weather in June »
Weather in July
July continues with the dry seasonal trend with the lowest recorded rainfall for the year. Comfortable weather conditions persist with warm, stable temperatures and a decrease in humidity levels. Increased atmospheric pressure and moderate wind speeds complement the ideal tropical climate. Weather in July »
Weather in August
August ushers in the driest conditions in the Cascades, though considerable cloud cover persists. Warm tropical temperatures and low humidity offer perfect conditions for outdoor pursuits and sightseeing. Extended daylight hours continue, contributing to a lively summer atmosphere. Weather in August »
Weather in September
With the approach of September, weather conditions begin to shift once more. While the temperature holds steady, precipitation begins to slightly increase marking the onset of the wet season. Despite this transition, atmospheric pressure remains high and wind conditions moderate. Weather in September »
Weather in October
October brings about the onset of the wet season, though it maintains relatively dry conditions compared to the rainy months ahead. Temperatures start to slightly increase, while daylight hours begin to decrease. Winds in October remain moderate and atmospheric pressure starts to decline, signaling the forthcoming change in weather patterns. Weather in October »
Weather in November
November indicates a jump in precipitation while maintaining warm, tropical temperatures. The month is characterized by increasing cloud cover and declining atmospheric pressure. The increasing rainfall does elevate humidity levels, but they are counterbalanced by comparable winds providing relief. Weather in November »
Weather in December
Closing out the year, December experiences a major increase in rainfall. The tropical climate is maintained with consistent warm temperatures and high humidity. As wind conditions mellow from previous months, climatic patterns remain steady. Weather in December »
Updated: Feb 5, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the hottest in Cascades?
January is the month when Cascades's temperatures reach their peak, with averages of 25.7°C (78.3°F) and lows of 23.4°C (74.1°F).
What is the rainiest month in Cascades?
The month with the most rainfall is January, when the rain falls for 27.3 days and typically aggregates up to 199mm (7.83") of precipitation.
How much does it rain in Cascades?
Throughout the year, there are 280.3 rainfall days, and 1115mm (43.9") of precipitation is accumulated.
What is the month with the highest UV index in Cascades?
The months with the highest UV index are January through May, November and December, with an average maximum UV index of 6.
What is the most humid month in Cascades?
February and March, with an average relative humidity of 84%, are most humid months in Cascades.
What is the month with the shortest days in Cascades?
With an average of 10h and 54min of daylight, June has the shortest days of the year in Cascades.
What is the month with the least sunshine in Cascades?
With an average of 6.3h of sunshine, June has the least sunshine of the year in Cascades, Reunion.
When is the lowest UV index in Cascades?
June through October, with an average maximum UV index of 5, are months with the lowest UV index in Cascades.
What is the coldest month in Cascades?
August, with its average high-temperature of 20.4°C (68.7°F) and an average low-temperature of 18.2°C (64.8°F), holds the record as the coldest month in Cascades, Reunion.
What are the least humid months in Cascades?
The months with the lowest humidity in Cascades are August and September, with an average relative humidity of 79%.
What is the driest month in Cascades?
The month with the least rainfall in Cascades is September, when the rain falls for 18.5 days and typically collects 26mm (1.02") of precipitation.
What month has the most sunshine in Cascades?
October has the most sunshine of the year in Cascades, Reunion, with an average of 10.2h of sunshine.
When are the longest days in Cascades?
With an average of 13h and 24min of daylight, December has the longest days of the year.
Is there Daylight Saving Time (DST) in Cascades?
Cascades does not utilize Daylight Saving Time (DST). +04 timezone is used over the entire year.
Average temperature
Cascades, 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
Cascades, 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
Cascades, 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
Cascades, 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
Cascades, 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
Cascades, 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
Cascades, Reunion
- Average daylight in January:
13h and 2min - Average daylight in February:
12h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
11h and 4min - Average daylight in May:
11h and 1min - Average daylight in June:
10h and 5min
- Average daylight in July:
11h and 0min - Average daylight in August:
11h and 2min - Average daylight in September:
12h and 0min - Average daylight in October:
12h and 4min - Average daylight in November:
13h and 1min - Average daylight in December:
13h and 2min
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 3min - Average sunshine in February:
7h and 4min - Average sunshine in March:
7h and 4min - Average sunshine in April:
7h and 2min - Average sunshine in May:
6h and 3min - Average sunshine in June:
6h and 2min
- Average sunshine in July:
6h and 3min - Average sunshine in August:
8h and 2min - Average sunshine in September:
8h and 5min - Average sunshine in October:
10h and 1min - Average sunshine in November:
9h and 5min - 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
Cascades, 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
Cascades, 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
Cascades, 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
Cascades, 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).
Cascades, Reunion
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