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Port Antonio Climate Guide
Jamaica
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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
30
30 °C (86°F) Maximum Daytime Temperature in April
30
30 °C (86°F) Maximum Daytime Temperature in May
30
30 °C (86°F) Maximum Daytime Temperature in June
31
31 °C (88°F) Maximum Daytime Temperature in July
31
31 °C (88°F) Maximum Daytime Temperature in August
30
30 °C (86°F) Maximum Daytime Temperature in September
30
30 °C (86°F) Maximum Daytime Temperature in October
29
29 °C (84°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
18
18 °C (64°F) Minimum Night-time Temperature in January
18
18 °C (64°F) Minimum Night-time Temperature in February
19
19 °C (66°F) Minimum Night-time Temperature in March
20
20 °C (68°F) Minimum Night-time Temperature in April
21
21 °C (70°F) Minimum Night-time Temperature in May
22
22 °C (72°F) Minimum Night-time Temperature in June
22
22 °C (72°F) Minimum Night-time Temperature in July
22
22 °C (72°F) Minimum Night-time Temperature in August
22
22 °C (72°F) Minimum Night-time Temperature in September
21
21 °C (70°F) Minimum Night-time Temperature in October
20
20 °C (68°F) Minimum Night-time Temperature in November
19
19 °C (66°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
7
7 Hours of Sunshine (63% of Daylight Hours) in January
7
7 Hours of Sunshine (63% of Daylight Hours) in February
8
8 Hours of Sunshine (63% of Daylight Hours) in March
8
8 Hours of Sunshine (62% of Daylight Hours) in April
7
7 Hours of Sunshine (51% of Daylight Hours) in May
7
7 Hours of Sunshine (50% of Daylight Hours) in June
8
8 Hours of Sunshine (57% of Daylight Hours) in July
7
7 Hours of Sunshine (57% of Daylight Hours) in August
6
6 Hours of Sunshine (51% of Daylight Hours) in September
6
6 Hours of Sunshine (51% of Daylight Hours) in October
6
6 Hours of Sunshine (56% of Daylight Hours) in November
7
7 Hours of Sunshine (59% 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)
7
7 Days with some Rain in January
6
6 Days with some Rain in February
6
6 Days with some Rain in March
7
7 Days with some Rain in April
12
12 Days with some Rain in May
13
13 Days with some Rain in June
12
12 Days with some Rain in July
13
13 Days with some Rain in August
15
15 Days with some Rain in September
16
16 Days with some Rain in October
11
11 Days with some Rain in November
8
8 Days with some Rain in December
J F M A M J J A S O N D
113
113 mm (4.4 inches) Monthly Rainfall in January
103
103 mm (4.1 inches) Monthly Rainfall in February
70
70 mm (2.8 inches) Monthly Rainfall in March
106
106 mm (4.2 inches) Monthly Rainfall in April
235
235 mm (9.3 inches) Monthly Rainfall in May
248
248 mm (9.8 inches) Monthly Rainfall in June
162
162 mm (6.4 inches) Monthly Rainfall in July
231
231 mm (9.1 inches) Monthly Rainfall in August
274
274 mm (10.8 inches) Monthly Rainfall in September
417
417 mm (16.4 inches) Monthly Rainfall in October
297
297 mm (11.7 inches) Monthly Rainfall in November
177
177 mm (7.0 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)
M
Moderate Heat & Humidity in January
M
Moderate Heat & Humidity in February
M
Moderate Heat & Humidity in March
H
High Heat & Humidity in April
H
High Heat & Humidity in May
H
High Heat & Humidity in June
H
High Heat & Humidity in July
H
High Heat & Humidity in August
H
High Heat & Humidity in September
H
High Heat & Humidity in October
H
High Heat & Humidity in November
M
Moderate 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
9
UV 9 (Very High) in November
8
UV 8 (Very 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
28
28 °C (82°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
29
29 °C (84°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
Port Antonio Climate Guide (Historical Weather Averages), Jamaica
Elev: 100 m   Long: 076°22'W   Lat: 18°09'N
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