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Mangaia Climate Guide
Cook Islands
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Maximum Daytime Temperature (°C)
Minimum Night-time Temperature (°C)
29
29 °C (84°F) Maximum Daytime Temperature in January
29
29 °C (84°F) Maximum Daytime Temperature in February
29
29 °C (84°F) Maximum Daytime Temperature in March
28
28 °C (82°F) Maximum Daytime Temperature in April
27
27 °C (81°F) Maximum Daytime Temperature in May
26
26 °C (79°F) Maximum Daytime Temperature in June
25
25 °C (77°F) Maximum Daytime Temperature in July
25
25 °C (77°F) Maximum Daytime Temperature in August
26
26 °C (79°F) Maximum Daytime Temperature in September
26
26 °C (79°F) Maximum Daytime Temperature in October
27
27 °C (81°F) Maximum Daytime Temperature in November
28
28 °C (82°F) Maximum Daytime Temperature in December
J F M A M J J A S O N D
23
23 °C (73°F) Minimum Night-time Temperature in January
23
23 °C (73°F) Minimum Night-time Temperature in February
23
23 °C (73°F) Minimum Night-time Temperature in March
22
22 °C (72°F) Minimum Night-time Temperature in April
21
21 °C (70°F) Minimum Night-time Temperature in May
19
19 °C (66°F) Minimum Night-time Temperature in June
19
19 °C (66°F) Minimum Night-time Temperature in July
19
19 °C (66°F) Minimum Night-time Temperature in August
19
19 °C (66°F) Minimum Night-time Temperature in September
20
20 °C (68°F) Minimum Night-time Temperature in October
21
21 °C (70°F) Minimum Night-time Temperature in November
22
22 °C (72°F) Minimum Night-time Temperature in December
J F M A M J J A S O N D
Hours of Sunshine
Hours of Daylight
13
13 Hours of Daylight in January
13
13 Hours of Daylight in February
12
12 Hours of Daylight in March
12
12 Hours of Daylight in April
11
11 Hours of Daylight in May
11
11 Hours of Daylight in June
11
11 Hours of Daylight in July
11
11 Hours of Daylight in August
12
12 Hours of Daylight in September
13
13 Hours of Daylight in October
13
13 Hours of Daylight in November
13
13 Hours of Daylight in December
J F M A M J J A S O N D
Days with some Rain
Monthly Rainfall (mm)
18
18 Days with some Rain in January
16
16 Days with some Rain in February
18
18 Days with some Rain in March
14
14 Days with some Rain in April
9
9 Days with some Rain in May
6
6 Days with some Rain in June
5
5 Days with some Rain in July
3
3 Days with some Rain in August
5
5 Days with some Rain in September
5
5 Days with some Rain in October
6
6 Days with some Rain in November
12
12 Days with some Rain in December
J F M A M J J A S O N D
236
236 mm (9.3 inches) Monthly Rainfall in January
232
232 mm (9.1 inches) Monthly Rainfall in February
177
177 mm (7.0 inches) Monthly Rainfall in March
225
225 mm (8.9 inches) Monthly Rainfall in April
177
177 mm (7.0 inches) Monthly Rainfall in May
108
108 mm (4.3 inches) Monthly Rainfall in June
102
102 mm (4.0 inches) Monthly Rainfall in July
124
124 mm (4.9 inches) Monthly Rainfall in August
102
102 mm (4.0 inches) Monthly Rainfall in September
130
130 mm (5.1 inches) Monthly Rainfall in October
156
156 mm (6.1 inches) Monthly Rainfall in November
180
180 mm (7.1 inches) Monthly Rainfall in December
J F M A M J J A S O N D
Heat & Humidity / Chance of Frost
UV Index (Maximum)
H
High Heat & Humidity in January
H
High Heat & Humidity in February
H
High Heat & Humidity in March
M
Moderate Heat & Humidity in April
M
Moderate Heat & Humidity in May
L
Low Heat & Humidity in June
L
Low Heat & Humidity in July
L
Low Heat & Humidity in August
L
Low Heat & Humidity in September
M
Moderate Heat & Humidity in October
M
Moderate Heat & Humidity in November
M
Moderate Heat & Humidity in December
J F M A M J J A S O N D
11
UV 11+ (Extreme) in January
11
UV 11+ (Extreme) in February
11
UV 11+ (Extreme) in March
10
UV 10 (Very High) in April
7
UV 7 (High) in May
6
UV 6 (High) in June
6
UV 6 (High) in July
8
UV 8 (Very High) in August
10
UV 10 (Very High) in September
11
UV 11+ (Extreme) in October
11
UV 11+ (Extreme) in November
11
UV 11+ (Extreme) in December
J F M A M J J A S O N D
Sea Temperature (°C)
27
27 °C (81°F) Sea Temperature in January
27
27 °C (81°F) Sea Temperature in February
28
28 °C (82°F) Sea Temperature in March
27
27 °C (81°F) Sea Temperature in April
26
26 °C (79°F) Sea Temperature in May
25
25 °C (77°F) Sea Temperature in June
24
24 °C (75°F) Sea Temperature in July
24
24 °C (75°F) Sea Temperature in August
24
24 °C (75°F) Sea Temperature in September
24
24 °C (75°F) Sea Temperature in October
25
25 °C (77°F) Sea Temperature in November
26
26 °C (79°F) Sea Temperature in December
J F M A M J J A S O N D
Mangaia Climate Guide (Historical Weather Averages), Cook Islands
Elev: 0 m   Long: 157°54'W   Lat: 21°53'S
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