Climate and monthly weather forecastMahé, Seychelles
Climate and monthly weather forecast
The climate of Mahé
Mahé, Seychelles is geographically positioned within the Af climate zone according to the Köppen climate classification system. As such, the predominate climate condition experienced in this region is that of a tropical rainforest. There is a generous amount of rainfall recorded throughout the year with seasonal variations. Relative humidity also remains relatively high across the year, further emphasizing the tropical nature of the climate.Surveying the climatic data, it becomes apparent that the average high temperature fluctuates from 26.4°C (79.5°F) to 29.3°C (84.7°F) and average low hovers between 25.7°C (78.3°F) and 28.1°C (82.6°F) with the warmest months being March to May. This is a clear indication that the difference between highs and lows remains marginal; hence, temperatures remain relatively consistent throughout the year. Similarly, the combination of high levels of humidity, ranging from 73% to 80%, and high sea temperatures recorded from 26.2°C (79.2°F) to 29.8°C (85.6°F), paints an image of a hot, humid atmosphere that is characteristic of the tropical rainforest.
A distinctive weather pattern revealed in the data is the trend in rainfall. Despite it raining virtually every month, there is an evident peak during January, coupled with notable minimums from July to September. This pattern points to January as the wettest time, while the period from July to September can be considered as a drier phase in the year.
The best time to visit Mahé
Considering the amount of sunshine hours, temperature, and precipitation, the optimal time for tourism in Mahé would be from July to September. During this period, rainfall is comparatively lower, with values as low as 50mm (1.97") to 79mm (3.11"). Moreover, these months see reduced relative humidity, ranging from 78% to 80%. To add to the allure, temperatures in these months remain relatively warmer with sea temperatures registering between 26.2°C (79.2°F) and 27.4°C (81.3°F), providing beachgoers and swimmers with much needed solace.The worst time to visit Mahé
Based on the climatic data, January stands out as the least favored time for tourists who might want to avoid heavy rainfall. This period has the highest rainfall figures, reaching up to 220mm (8.66") sieved within 23.2 days. Concurrently, the cloud cover during this period is considerably high at 46%, which may obstruct sunlight and darken the sky, hindering outdoor activities and beach tourism.Spring weather in Mahé
In the spring months of March, April, and May, the weather of Mahé is influenced by relatively high rainfall and temperature. These three months witness fairly high temperatures ranging from 28.8°C (83.8°F) to 29.3°C (84.7°F) on the high end and between 27.8°C (82°F) to 28.1°C (82.6°F) on the lower spectrum. Furthermore, rainfall remains consistent at this time of the year, averaging from 110mm (4.33") to 170mm (6.69").Summer weather in Mahé
Summer, encompassing June, July, and August, is characterised by relatively lower rainfall and a slight decrease in temperature compared to the earlier months. Rainfall decreases noticeably, with recorded amounts falling between 50mm (1.97") and 74mm (2.91"). Daily temperatures dip slightly, with highs varying from 26.4°C (79.5°F) to 27.5°C (81.5°F) and lows ranging within 25.7°C (78.3°F) to 26.7°C (80.1°F).Autumn weather in Mahé
The autumn months of September, October, and November, show moderate weather conditions. Rainfall begins to increase gradually, evidenced by values spanning from 79mm (3.11") to 129mm (5.08"). Temperature values also start to climb with highs recorded from 26.8°C (80.2°F) to 27.9°C (82.2°F) and lows ranging from 26.1°C (79°F) to 27.1°C (80.8°F), indicating progressively warmer days and nights.Winter weather in Mahé
Finally, the winter season consisting of December, January, and February is characterised by an increase in rainfall and relatively high temperatures. Rainfall measures from 166mm (6.54") to 220mm (8.66") across these months, with January being the wettest month. Correspondingly, temperatures also remain warm, with highs and lows oscillating between 27.5°C (81.5°F) to 28.3°C (82.9°F) and 27°C (80.6°F) to 27.3°C (81.1°F) respectively. Despite being winter, the weather conditions of Mahé are reflective of the tropical climate with warm temperatures and significant rainfall.Weather in January
January is known for warm days in Mahé as the average high temperature reaches around 28°C (82.4°F). Comparatively cooler to February, it provides a pleasant combination of warmth and freshness. Rainfall is common with an average rainfall duration of approximately 220mm (8.66") spread across 23.2 days in the month. Weather in January »Weather in February
As February arrives in Mahé, Seychelles, it brings slightly higher temperatures than in January. The month is characterized by warm weather, infrequent rainy days, and slightly reduced humidity. Achieving the maximum sea temperature of 28.6°C (83.5°F), February seems to call beach lovers for underwater activities. Weather in February »Weather in March
March experiences a shift in weather with temperatures rising as high as 28.8°C (83.8°F). Slight changes are observed when compared to the preceding and succeeding months. The amount of rainfall decreases to 110mm (4.33"), falling over an average of 20.7 days. Weather in March »Weather in April
April showcases a noticeable rise in temperature, with the maximum being around 29.3°C (84.7°F), making it the warmest month of the year. Compared to March, there are fewer rainy days but a similar amount of rainfall, indicating the possibility of heavier but less frequent showers. Weather in April »Weather in May
The climate in Mahé during May remains warm and welcoming. Transitioning from April's heat, May brings a slightly lower temperature coupled with an increased amount of rainfall. The month receives the average rainfall of about 170mm (6.69") over 22.6 days, indicating a relatively wetter period. Weather in May »Weather in June
June sees the climate becoming milder with temperatures averaging between 26.7°C (80.1°F) to 27.5°C (81.5°F). With humidity at the highest level in comparison with previous months, June gives off a tropical ambiance. The island experiences less rainfall with only 74mm (2.91") occurring over 21.5 days. Weather in June »Weather in July
Weather in July in Mahé is distinguishable by its lowered temperature with the coolest sea temperature of the year around 26.3°C (79.3°F). The relative levels of humidity and pressure are at their peak, making the climate feel more mellow. Weather in July »Weather in August
Come August, and the pleasant weather continues in Mahé, Seychelles. The lowered temperature trends from July persist, but the pressure remains relatively unchanged. August experiences slightly less rainfall than July, with an average of 50mm (1.97") over 17.8 days. Weather in August »Weather in September
September in Mahé, Seychelles, brings a slight increase in temperature and rainfall. There occurs a substantial jump in the amount of rain, reaching 79mm (3.11") over an average of 20.5 days. However, the humidity and pressure remain mostly unchanged from August. Weather in September »Weather in October
October marks a clear difference from September with an upsurge in all major climatic parameters. The average temperature climbs back to around 27.5°C (81.5°F). Rainfall increases to 134mm (5.28") over 18.1 days, and the average sea temperature also rises to 28.2°C (82.8°F). Weather in October »Weather in November
November brings a minor increase in temperature reaching up to about 27.9°C (82.2°F). A slight reduction in rainfall makes the period less damp compared to October. It receives around 129mm (5.08") of rain which is distributed over 17.3 days. Weather in November »Weather in December
Entering December, subtle changes in weather conditions are experienced in Mahé, Seychelles. There is a slight drop in temperature while the amount of rainfall slightly increases up to 166mm (6.54"). This month experiences more daylight hours compared to previous months. Weather in December »Updated: Jan 25, 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
The month with the most rainfall in Mahé, Seychelles, is January, when the rain falls for 23.2 days and typically aggregates up to 220mm (8.66") of precipitation.
Throughout the year, there are 241.9 rainfall days, and 1432mm (56.38") of precipitation is accumulated.
The months with the highest UV index are January through December, with an average maximum UV index of 7.
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Mahé.
April is Mahé's warmest month, registering average high temperatures of 29.3°C (84.7°F) and lows of 28.1°C (82.6°F).
April is the least humid month, with an average relative humidity of 73%.
April is the month with the warmest seawater in Mahé, Seychelles, with an average sea temperature of 29.8°C (85.6°F).
The month with the shortest days is June, with an average of 11h and 54min of daylight.
July through September, with an average relative humidity of 80%, are most humid months.
August, with its high-temperature average of 26.4°C (79.5°F) and a low-temperature average of 25.7°C (78.3°F), is the coldest month in Mahé, Seychelles.
The month with the least rainfall is August, when the rain falls for 17.8 days and typically collects 50mm (1.97") of precipitation.
August is the month with the coldest seawater in Mahé, Seychelles, with an average sea temperature of 26.2°C (79.2°F).
September has the least sunshine of the year, with an average of 7h of sunshine.
The month with the most sunshine in Mahé, Seychelles, is November, with an average of 10.1h of sunshine.
December has the longest days of the year in Mahé, with an average of 12h and 24min of daylight.
Mahé does not utilize Daylight Saving Time (DST). +04 timezone is used over the entire year.
Average temperature
Mahé, Seychelles
The warmest month (with the highest average high temperature) is April (29.3°C).
The month with the lowest average high temperature is August (26.4°C).
The month with the highest average low temperature is April (28.1°C).
The coldest months (with the lowest average low temperature) are July and August (25.7°C).
Average pressure
Mahé, Seychelles
- Average pressure in January:
1011.1mbar - Average pressure in February:
1010.7mbar - Average pressure in March:
1010.5mbar - Average pressure in April:
1010.4mbar - Average pressure in May:
1010.6mbar - Average pressure in June:
1011.4mbar
- Average pressure in July:
1012.1mbar - Average pressure in August:
1012.4mbar - Average pressure in September:
1012.3mbar - Average pressure in October:
1011.4mbar - Average pressure in November:
1010.6mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is August (1012.4mbar).
The month with the lowest atmospheric pressure is April (1010.4mbar).
Average wind speed
Mahé, Seychelles
- Average wind speed in January:
18.3km/h - Average wind speed in February:
16.6km/h - Average wind speed in March:
14.5km/h - Average wind speed in April:
12.8km/h - Average wind speed in May:
19.1km/h - Average wind speed in June:
24.1km/h
- Average wind speed in July:
26km/h - Average wind speed in August:
28.1km/h - Average wind speed in September:
26.2km/h - Average wind speed in October:
18.6km/h - Average wind speed in November:
14.4km/h - Average wind speed in December:
17.1km/h
The windiest month (with the highest average wind speed) is August (28.1km/h).
The calmest month (with the lowest average wind speed) is April (12.8km/h).
Average humidity
Mahé, Seychelles
The months with the highest relative humidity are July, August and September (80%).
The month with the lowest relative humidity is April (73%).
Average rainfall
Mahé, Seychelles
- Average rainfall in January:
220mm - Average rainfall in February:
127mm - Average rainfall in March:
110mm - Average rainfall in April:
111mm - Average rainfall in May:
170mm - Average rainfall in June:
74mm
The wettest month (with the highest rainfall) is January (220mm).
The driest month (with the least rainfall) is August (50mm).
Average rainfall days
Mahé, Seychelles
- Average rainfall days in January:
23.2 days - Average rainfall days in February:
19 days - Average rainfall days in March:
20.7 days - Average rainfall days in April:
20.7 days - Average rainfall days in May:
22.6 days - Average rainfall days in June:
21.5 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.8 days - Average rainfall days in September:
20.5 days - Average rainfall days in October:
18.1 days - Average rainfall days in November:
17.3 days - Average rainfall days in December:
21.8 days
The month with the highest number of rainy days is January (23.2 days).
The month with the least rainy days is November (17.3 days).
Average sea temperature
Mahé, Seychelles
The best month for swimming (with the highest average sea temperature) is April (29.8°C).
The coldest month (with the lowest average sea temperature) is August (26.2°C).
Average daylight / Average sunshine
Mahé, Seychelles
- Average daylight in January:
12h and 24min - Average daylight in February:
12h and 18min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 0min - Average daylight in May:
11h and 54min - Average daylight in June:
11h and 54min
- Average daylight in July:
11h and 54min - Average daylight in August:
12h and 0min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 12min - Average daylight in November:
12h and 18min - Average daylight in December:
12h and 24min
The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in January:
7h and 42min - Average sunshine in February:
7h and 48min - Average sunshine in March:
7h and 48min - Average sunshine in April:
8h and 6min - Average sunshine in May:
7h and 54min - Average sunshine in June:
7h and 48min
- Average sunshine in July:
7h and 24min - Average sunshine in August:
7h and 24min - Average sunshine in September:
7h and 0min - Average sunshine in October:
9h and 0min - Average sunshine in November:
10h and 6min - Average sunshine in December:
8h and 24min
The month with the most sunshine is November (Average sunshine: 10h and 6min).
The month with the least sunshine is September (Average sunshine: 7h and 0min).
Average sunshine days
Mahé, Seychelles
- Average sunshine days in January:
4.5 days - Average sunshine days in February:
6.1 days - Average sunshine days in March:
6.9 days - Average sunshine days in April:
5.8 days - Average sunshine days in May:
4.4 days - Average sunshine days in June:
3 days
- Average sunshine days in July:
3.8 days - Average sunshine days in August:
5.1 days - Average sunshine days in September:
3.8 days - Average sunshine days in October:
8.7 days - Average sunshine days in November:
10.9 days - Average sunshine days in December:
7.6 days
The month with the most sunshine days is November (10.9 days).
The month with the least sunshine days is June (3 days).
Average UV index
Mahé, Seychelles
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Mahé, Seychelles
The month with the most cloud cover is September (Cloud cover 51).
The month with the least cloud cover is November (Cloud cover 41).
Average visibility
Mahé, Seychelles
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).
