Climate of Rodrigues & other outer islands
Rodrigues
Rodrigues enjoys a mild tropical maritime climate with persistent trade winds blowing throughout the year. Mean summer temperature is 25.9 degrees Celsius and mean winter temperature is around 22.3 degrees Celsius. The temperature difference between summer and winter is 3.6 degrees Celsius. January to March are the hottest months and August is the coolest month.
Long term annual mean rainfall (1961-2007) over the island is 1116 mm. Mean summer rainfall is 729 mm which is 65 % of the annual total. Winter rainfall is only 392 mm. The wettest month is February; September and October are the driest months.
The island receives about 8.9 hours of bright sunshine daily and the average wind speed on any day is 18.1 km/h at Pointe Canon.
|
Months |
Temperature
|
U
|
Wind
|
Sunshine
|
Rainfall
|
Count
|
Count
|
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
Av mx
|
Hi mx
|
Av mn
|
Lo mn
|
%
|
km/h
|
hrs/day
|
LTM1971-2000
|
RR>1.0
|
RR>5.0
|
||
|
Jan
|
29.2
|
33.9
|
23.6
|
18.4
|
79
|
19.3
|
8.9
|
150.0
|
12
|
5
|
||
|
Feb
|
29.3
|
24.0
|
23.8
|
19.8
|
81
|
19.3
|
8.5
|
184.7
|
13
|
7
|
||
|
Mar
|
29.4
|
33.9
|
23.7
|
19.0
|
80
|
17.4
|
8.3
|
131.2
|
13
|
6
|
||
|
Apr
|
28.7
|
33.0
|
23.0
|
18.4
|
79
|
17.4
|
8.1
|
117.0
|
13
|
5
|
||
|
May
|
27.5
|
30.9
|
21.6
|
18.1
|
75
|
16.9
|
7.9
|
78.3
|
12
|
4
|
||
|
Jun
|
26.0
|
30.9
|
20.1
|
16.5
|
74
|
17.0
|
7.3
|
77.6
|
13
|
5
|
||
|
Jul
|
25.0
|
30.4
|
19.1
|
14.5
|
75
|
19.3
|
7.5
|
80.8
|
15
|
4
|
||
|
Aug
|
24.8
|
31.2
|
18.8
|
15.2
|
74
|
19.6
|
7.9
|
59.4
|
13
|
3
|
||
|
Sep
|
25.4
|
30.7
|
19.3
|
15.8
|
74
|
18.7
|
7.9
|
43.8
|
9
|
3
|
||
|
Oct
|
26.3
|
30.9
|
20.1
|
16.5
|
74
|
18.3
|
8.9
|
40.7
|
8
|
2
|
||
|
Nov
|
27.4
|
30.9
|
21.3
|
17.2
|
76
|
17.4
|
9.1
|
70.0
|
7
|
3
|
||
|
Dec
|
28.7
|
33.1
|
22.8
|
19.2
|
77
|
17.2
|
9.2
|
71.0
|
8
|
2
|
||
Note: Av mx: Average maximum in degrees Celsius
Hi mx: Highest maximum in degrees Celsius
Av mn: Average minimum in degrees Celsius
Lo mn: Lowest minimum in degrees Celsius
U: Relative humidity
LTM: Long term mean
RR: rainfall
St Brandon
The Cargados Carajos Shoals, including St Brandon experiences a rather windy tropical maritime climate through out the year. Indeed the mean wind over all the months is 24 km/h, the winter months being the windiest with mean wind speed of the order of 30 km/h. Average summer temperature is 27.4 degrees Celsius and average winter temperature is 23.6 degrees Celsius. The temperature difference between the seasons is 3.8 degrees Celsius.
Long term mean annual rainfall at Raphael Island is 974 mm. Summer rainfall is 694 mm which is 71% of the annual total. Mean winter rainfall is around 276 mm only. September, October and November are the driest months.
|
Months |
Temperature
|
U
|
Wind
|
Rainfall
|
Count
|
Count
|
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
Av mx
|
Hi mx
|
Av mn
|
Lo mn
|
%
|
km/h
|
LTM1971-2000
|
RR>1.0
|
RR>5.0
|
||
|
Jan
|
30.2
|
34.6
|
25.3
|
21.2
|
81
|
20.0
|
161.6
|
12
|
7
|
||
|
Feb
|
30.5
|
35.1
|
25.5
|
21.1
|
82
|
17.8
|
179.0
|
13
|
7
|
||
|
Mar
|
30.4
|
35.1
|
25.7
|
20.5
|
81
|
19.3
|
116.0
|
12
|
5
|
||
|
Apr
|
29.5
|
34.7
|
25.2
|
18.0
|
81
|
21.9
|
99.8
|
11
|
5
|
||
|
May
|
27.9
|
33.4
|
24.1
|
16.8
|
79
|
25.0
|
78.7
|
10
|
3
|
||
|
June
|
26.2
|
31.8
|
22.7
|
16.8
|
79
|
27.6
|
53.9
|
10
|
3
|
||
|
July
|
25.1
|
29.8
|
21.6
|
17.7
|
80
|
30.4
|
47.7
|
11
|
2
|
||
|
Aug
|
25.0
|
29.4
|
21.3
|
16.5
|
80
|
30.4
|
45.9
|
11
|
2
|
||
|
Sep
|
25.5
|
30.2
|
21.6
|
16.5
|
79
|
28.0
|
28.3
|
7
|
1
|
||
|
Oct
|
26.7
|
31.2
|
22.4
|
18.5
|
80
|
25.2
|
28.8
|
7
|
1
|
||
|
Nov
|
28.2
|
33.3
|
23.5
|
19.9
|
79
|
21.9
|
26.9
|
5
|
1
|
||
|
Dec
|
29.7
|
34.8
|
24.8
|
21.2
|
79
|
20.4
|
67.1
|
7
|
3
|
||
Note: Av mx: Average maximum in degrees Celsius
Hi mx: Highest maximum in degrees Celsius
Av mn: Average minimum in degrees Celsius
Lo mn: Lowest minimum in degrees Celsius
U: Relative humidity
LTM: Long term mean
RR: rainfall
Agalega
Agalega Island has a hot, torrid and humid tropical climate. Mean summer temperature is 27.4 degrees Celsius and mean winter temperature is 25.6 degrees Celsius. Thus, there is little temperature difference between the seasons.
Long term mean annual rainfall at Agalega is 1710 mm. Mean summer rainfall is 1170 mm, which is 68% of the annual rainfall total; mean winter rainfall is around 540 mm. January is the wettest month, though significant amount of rainfall is also received in February. September is the driest months. Although Agalega is almost at sea level, it receives rainfall throughout the year.
|
Months |
Temperature
|
U
|
Wind
|
Sunshine
|
Rainfall
|
Count
|
Count
|
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
Av mx
|
Hi mx
|
Av mn
|
Lo mn
|
%
|
km/h
|
hrs/day
|
LTM1971-2000
|
RR>1.0
|
RR>5.0
|
||
|
Jan
|
30.7
|
35.1
|
23.9
|
20.1
|
84
|
10.6
|
7.1
|
271.7
|
17
|
11
|
||
|
Feb
|
30.7
|
34.3
|
24.1
|
21.0
|
85
|
10.6
|
7.1
|
251.4
|
16
|
10
|
||
|
Mar
|
31.0
|
34.2
|
24.2
|
20.5
|
84
|
9.5
|
7.2
|
178.8
|
16
|
9
|
||
|
Apr
|
31.0
|
35.0
|
24.4
|
18.7
|
82
|
11.3
|
8.1
|
151.8
|
13
|
7
|
||
|
Mai
|
30.0
|
33.1
|
24.3
|
18.7
|
80
|
16.3
|
7.8
|
101.9
|
11
|
5
|
||
|
Jun
|
28.8
|
31.5
|
23.3
|
18.8
|
79
|
18.7
|
7.6
|
79.4
|
12
|
4
|
||
|
Jul
|
28.1
|
30.6
|
22.6
|
18.5
|
79
|
20.4
|
7.6
|
85.3
|
13
|
4
|
||
|
Aug
|
28.1
|
30.4
|
22.4
|
16.9
|
78
|
21.3
|
8.2
|
60.6
|
12
|
3
|
||
|
Sep
|
28.7
|
31.2
|
22.8
|
17.4
|
78
|
20.4
|
8.0
|
45.7
|
9
|
2
|
||
|
Oct
|
29.4
|
32.0
|
23.3
|
17.9
|
79
|
18.2
|
7.9
|
69.1
|
10
|
4
|
||
|
Nov
|
30.3
|
33.2
|
23.7
|
17.2
|
80
|
14.8
|
8.5
|
109.8
|
10
|
5
|
||
|
Dec
|
30.7
|
34.6
|
23.9
|
18.0
|
82
|
10.7
|
8.0
|
180.6
|
13
|
8
|
||