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George Town Climate Guide
Cayman 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
30
30 °C (86°F) Maximum Daytime Temperature in March
31
31 °C (88°F) Maximum Daytime Temperature in April
31
31 °C (88°F) Maximum Daytime Temperature in May
32
32 °C (90°F) Maximum Daytime Temperature in June
32
32 °C (90°F) Maximum Daytime Temperature in July
32
32 °C (90°F) Maximum Daytime Temperature in August
32
32 °C (90°F) Maximum Daytime Temperature in September
31
31 °C (88°F) Maximum Daytime Temperature in October
30
30 °C (86°F) Maximum Daytime Temperature in November
29
29 °C (84°F) Maximum Daytime Temperature in December
J F M A M J J A S O N D
22
22 °C (72°F) Minimum Night-time Temperature in January
22
22 °C (72°F) Minimum Night-time Temperature in February
22
22 °C (72°F) Minimum Night-time Temperature in March
23
23 °C (73°F) Minimum Night-time Temperature in April
24
24 °C (75°F) Minimum Night-time Temperature in May
25
25 °C (77°F) Minimum Night-time Temperature in June
25
25 °C (77°F) Minimum Night-time Temperature in July
25
25 °C (77°F) Minimum Night-time Temperature in August
25
25 °C (77°F) Minimum Night-time Temperature in September
25
25 °C (77°F) Minimum Night-time Temperature in October
24
24 °C (75°F) Minimum Night-time Temperature in November
23
23 °C (73°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
8
8 Hours of Sunshine (68% of Daylight Hours) in January
8
8 Hours of Sunshine (69% of Daylight Hours) in February
9
9 Hours of Sunshine (71% of Daylight Hours) in March
10
10 Hours of Sunshine (77% of Daylight Hours) in April
9
9 Hours of Sunshine (65% of Daylight Hours) in May
8
8 Hours of Sunshine (60% of Daylight Hours) in June
9
9 Hours of Sunshine (65% of Daylight Hours) in July
8
8 Hours of Sunshine (66% of Daylight Hours) in August
8
8 Hours of Sunshine (61% of Daylight Hours) in September
8
8 Hours of Sunshine (64% of Daylight Hours) in October
7
7 Hours of Sunshine (64% of Daylight Hours) in November
7
7 Hours of Sunshine (65% of Daylight Hours) in December
J F M A M J J A S O N D
11
11 Hours of Daylight in January
12
12 Hours of Daylight in February
12
12 Hours of Daylight in March
13
13 Hours of Daylight in April
13
13 Hours of Daylight in May
13
13 Hours of Daylight in June
13
13 Hours of Daylight in July
13
13 Hours of Daylight in August
12
12 Hours of Daylight in September
12
12 Hours of Daylight in October
11
11 Hours of Daylight in November
11
11 Hours of Daylight in December
J F M A M J J A S O N D
Days with some Rain
Monthly Rainfall (mm)
8
8 Days with some Rain in January
7
7 Days with some Rain in February
6
6 Days with some Rain in March
6
6 Days with some Rain in April
11
11 Days with some Rain in May
14
14 Days with some Rain in June
14
14 Days with some Rain in July
15
15 Days with some Rain in August
16
16 Days with some Rain in September
16
16 Days with some Rain in October
11
11 Days with some Rain in November
9
9 Days with some Rain in December
J F M A M J J A S O N D
56
56 mm (2.2 inches) Monthly Rainfall in January
44
44 mm (1.7 inches) Monthly Rainfall in February
32
32 mm (1.3 inches) Monthly Rainfall in March
48
48 mm (1.9 inches) Monthly Rainfall in April
132
132 mm (5.2 inches) Monthly Rainfall in May
184
184 mm (7.2 inches) Monthly Rainfall in June
176
176 mm (6.9 inches) Monthly Rainfall in July
171
171 mm (6.7 inches) Monthly Rainfall in August
208
208 mm (8.2 inches) Monthly Rainfall in September
234
234 mm (9.2 inches) Monthly Rainfall in October
118
118 mm (4.6 inches) Monthly Rainfall in November
57
57 mm (2.2 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
H
High Heat & Humidity in April
VH
Very High Heat & Humidity in May
VH
Very High Heat & Humidity in June
VH
Very High Heat & Humidity in July
VH
Very High Heat & Humidity in August
VH
Very High Heat & Humidity in September
VH
Very High Heat & Humidity in October
H
High Heat & Humidity in November
H
High Heat & Humidity in December
J F M A M J J A S O N D
8
UV 8 (Very High) in January
10
UV 10 (Very High) in February
11
UV 11+ (Extreme) in March
11
UV 11+ (Extreme) in April
11
UV 11+ (Extreme) in May
11
UV 11+ (Extreme) in June
11
UV 11+ (Extreme) in July
11
UV 11+ (Extreme) in August
11
UV 11 (Extreme) in September
10
UV 10 (Very High) in October
8
UV 8 (Very High) in November
7
UV 7 (High) 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
27
27 °C (81°F) Sea Temperature in March
27
27 °C (81°F) Sea Temperature in April
28
28 °C (82°F) Sea Temperature in May
29
29 °C (84°F) Sea Temperature in June
29
29 °C (84°F) Sea Temperature in July
29
29 °C (84°F) Sea Temperature in August
29
29 °C (84°F) Sea Temperature in September
29
29 °C (84°F) Sea Temperature in October
28
28 °C (82°F) Sea Temperature in November
28
28 °C (82°F) Sea Temperature in December
J F M A M J J A S O N D
George Town Climate Guide (Historical Weather Averages), Cayman Islands
Elev: 0 m   Long: 081°23'W   Lat: 19°18'N
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