Climate - St Brandon (Mauritius)

The climate of the islets of St Brandon (or Cargados Carajos) is tropical, with a hot, rainy period from December to April and a relatively cool, dry period from June to October.
The islets are located about 400 km (245 mi) north-east of the main island of Mauritius, at the 16th parallel south, and being closer to the Equator, they have a somewhat warmer climate.

The average temperature of the coldest month (August) is of 24.1 °C (75.4 °F), that of the warmest months (February, March) is of 28.8 °C (83.8 °F). Here are the average temperatures.
Precipitation amounts to 975 millimeters (38.4 inches) per year: so, it is at an intermediate level. It ranges from 30 mm (1.2 in) in the driest month (October) to 175 mm (6.9 in) in the wettest one (February). Here is the average precipitation.
The sea temperature ranges from 24 °C (24 °F) in August, September to 28 °C (28 °F) in January, February, March, April. Here are the average sea temperatures.

St Brandon - Weather by month

Based on the period 1991-2020
(January - February - March - April - May - June - July - August - September - October - November - December)

In January, the average temperature is of 28.6 °C (84 °F), with a minimum of 25.9 °C (78.6 °F) and a maximum of 31.4 °C (88.5 °F).
On the coldest nights of the month, the temperature usually drops to around 24 °C (75 °F). However, in January 1999, it dropped to 22.5 °C (72.5 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F). However, in January 2020, it reached 35.6 °C (96.1 °F).
Precipitation amounts to 145 mm (5.7 in), distributed over 11 days.
The average humidity is 78%.
The average wind speed is 20 kph (12 kph).
The average sea temperature is of 28 °C (82.5 °F).

In February, the warmest month of the year, the average temperature is of 28.8 °C (84 °F), with a minimum of 26.1 °C (79 °F) and a maximum of 31.4 °C (88.5 °F).
On the coldest nights of the month, the temperature usually drops to around 23.5 °C (74.5 °F). However, in February 2013, it dropped to 20.6 °C (69.1 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92.5 °F). However, in February 2007, it reached 35.1 °C (95.2 °F).
Precipitation amounts to 175 mm (6.9 in), distributed over 12 days.
The average humidity is 78%.
The average wind speed is 19 kph (12 kph).
The average sea temperature is of 28 °C (82.5 °F).

In March, the warmest month of the year, the average temperature is of 28.8 °C (84 °F), with a minimum of 26.2 °C (79.2 °F) and a maximum of 31.3 °C (88.3 °F).
On the coldest nights of the month, the temperature usually drops to around 24 °C (75 °F). However, in March 2008, it dropped to 21 °C (69.8 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F). However, in March 2016, it reached 34.9 °C (94.8 °F).
Precipitation amounts to 140 mm (5.5 in), distributed over 13 days.
The average humidity is 78%.
The average wind speed is 21 kph (13 kph).
The average sea temperature is of 28 °C (82.5 °F).

In April, the average temperature is of 28.1 °C (83 °F), with a minimum of 25.7 °C (78.3 °F) and a maximum of 30.5 °C (86.9 °F).
On the coldest nights of the month, the temperature usually drops to around 23.5 °C (74.5 °F). However, in April 1997, it dropped to 21.8 °C (71.2 °F).
On the warmest days of the month, the temperature usually reaches around 32.5 °C (90.5 °F). However, in April 2016, it reached 34 °C (93.2 °F).
Precipitation amounts to 120 mm (4.7 in), distributed over 11 days.
The average humidity is 79%.
The average wind speed is 23 kph (14 kph).
The average sea temperature is of 28 °C (82.5 °F).

In May, the average temperature is of 26.8 °C (80 °F), with a minimum of 24.6 °C (76.3 °F) and a maximum of 29 °C (84.2 °F).
On the coldest nights of the month, the temperature usually drops to around 22.5 °C (72.5 °F). However, in May 2004, it dropped to 20 °C (68 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, in May 2016, it reached 33.2 °C (91.8 °F).
Precipitation amounts to 75 mm (3 in), distributed over 10 days.
The average humidity is 78%.
The average wind speed is 26 kph (16 kph).
The average sea temperature is of 27 °C (80.5 °F).

In June, the average temperature is of 25.2 °C (77 °F), with a minimum of 23.2 °C (73.8 °F) and a maximum of 27.1 °C (80.8 °F).
On the coldest nights of the month, the temperature usually drops to around 21 °C (70 °F). However, in June 1993, it dropped to 19.2 °C (66.6 °F).
On the warmest days of the month, the temperature usually reaches around 29.5 °C (85.5 °F). However, in June 2015, it reached 31 °C (87.8 °F).
Precipitation amounts to 45 mm (1.8 in), distributed over 11 days.
The average humidity is 78%.
The average wind speed is 28 kph (17 kph).
The average sea temperature is of 26 °C (79 °F).

In July, the average temperature is of 24.2 °C (76 °F), with a minimum of 22.2 °C (72 °F) and a maximum of 26.2 °C (79.2 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (68.5 °F). However, in July 1993, it dropped to 18 °C (64.4 °F).
On the warmest days of the month, the temperature usually reaches around 28.5 °C (83.5 °F). However, in July 2010, it reached 32.3 °C (90.1 °F).
Precipitation amounts to 45 mm (1.8 in), distributed over 12 days.
The average humidity is 79%.
The average wind speed is 30 kph (19 kph).
The average sea temperature is of 25 °C (77 °F).

In August, the coldest month of the year, the average temperature is of 24.1 °C (75 °F), with a minimum of 21.9 °C (71.4 °F) and a maximum of 26.3 °C (79.3 °F).
On the coldest nights of the month, the temperature usually drops to around 20 °C (68.5 °F). However, in August 1992, it dropped to 17.6 °C (63.7 °F).
On the warmest days of the month, the temperature usually reaches around 28.5 °C (83 °F). However, in August 2008, it reached 29.8 °C (85.6 °F).
Precipitation amounts to 45 mm (1.8 in), distributed over 11 days.
The average humidity is 79%.
The average wind speed is 29 kph (18 kph).
The average sea temperature is of 24 °C (75 °F).

In September, the average temperature is of 24.6 °C (76 °F), with a minimum of 22.3 °C (72.1 °F) and a maximum of 26.9 °C (80.4 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69 °F). However, in September 1996, it dropped to 18.9 °C (66 °F).
On the warmest days of the month, the temperature usually reaches around 29 °C (84 °F). However, in September 2015, it reached 30.5 °C (86.9 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 8 days.
The average humidity is 79%.
The average wind speed is 27 kph (17 kph).
The average sea temperature is of 24 °C (75 °F).

In October, the average temperature is of 25.5 °C (78 °F), with a minimum of 23.1 °C (73.6 °F) and a maximum of 27.9 °C (82.2 °F).
On the coldest nights of the month, the temperature usually drops to around 21.5 °C (70.5 °F). However, in October 1999, it dropped to 19.2 °C (66.6 °F).
On the warmest days of the month, the temperature usually reaches around 30 °C (86 °F). However, in October 2017, it reached 31.7 °C (89.1 °F).
Precipitation amounts to 30 mm (1.2 in), distributed over 6 days.
The average humidity is 79%.
The average wind speed is 27 kph (17 kph).
The average sea temperature is of 25 °C (77 °F).

In November, the average temperature is of 26.8 °C (80 °F), with a minimum of 24.2 °C (75.6 °F) and a maximum of 29.4 °C (84.9 °F).
On the coldest nights of the month, the temperature usually drops to around 22 °C (71.5 °F). However, in November 1995, it dropped to 20.6 °C (69.1 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (88.5 °F). However, in November 2018, it reached 33.5 °C (92.3 °F).
Precipitation amounts to 35 mm (1.4 in), distributed over 5 days.
The average humidity is 77%.
The average wind speed is 24 kph (15 kph).
The average sea temperature is of 25 °C (77 °F).

In December, the average temperature is of 28.0 °C (82 °F), with a minimum of 25.3 °C (77.5 °F) and a maximum of 30.8 °C (87.4 °F).
On the coldest nights of the month, the temperature usually drops to around 23 °C (73.5 °F). However, in December 2010, it dropped to 19 °C (66.2 °F).
On the warmest days of the month, the temperature usually reaches around 33 °C (91 °F). However, in December 2015, it reached 36.4 °C (97.5 °F).
Precipitation amounts to 90 mm (3.5 in), distributed over 9 days.
The average humidity is 77%.
The average wind speed is 21 kph (13 kph).
The average sea temperature is of 27 °C (80.5 °F).