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Home > World Climate Guides > Caribbean > Antigua and Barbuda > Antigua > Saint John's
Saint John's Climate Guide
Antigua, Antigua and Barbuda
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Maximum Daytime Temperature (°C)
Minimum Night-time Temperature (°C)
28
28 °C (82°F) Maximum Daytime Temperature in January
28
28 °C (82°F) Maximum Daytime Temperature in February
29
29 °C (84°F) Maximum Daytime Temperature in March
29
29 °C (84°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
31
31 °C (88°F) Maximum Daytime Temperature in September
30
30 °C (86°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
24
24 °C (75°F) Minimum Night-time Temperature in October
23
23 °C (73°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 (67% of Daylight Hours) in January
8
8 Hours of Sunshine (66% of Daylight Hours) in February
8
8 Hours of Sunshine (66% of Daylight Hours) in March
8
8 Hours of Sunshine (65% of Daylight Hours) in April
8
8 Hours of Sunshine (59% of Daylight Hours) in May
8
8 Hours of Sunshine (60% of Daylight Hours) in June
8
8 Hours of Sunshine (63% of Daylight Hours) in July
8
8 Hours of Sunshine (64% of Daylight Hours) in August
7
7 Hours of Sunshine (61% of Daylight Hours) in September
7
7 Hours of Sunshine (61% of Daylight Hours) in October
7
7 Hours of Sunshine (63% of Daylight Hours) in November
7
7 Hours of Sunshine (62% 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)
16
16 Days with some Rain in January
12
12 Days with some Rain in February
13
13 Days with some Rain in March
12
12 Days with some Rain in April
14
14 Days with some Rain in May
15
15 Days with some Rain in June
17
17 Days with some Rain in July
17
17 Days with some Rain in August
17
17 Days with some Rain in September
18
18 Days with some Rain in October
17
17 Days with some Rain in November
17
17 Days with some Rain in December
J F M A M J J A S O N D
67
67 mm (2.6 inches) Monthly Rainfall in January
37
37 mm (1.5 inches) Monthly Rainfall in February
40
40 mm (1.6 inches) Monthly Rainfall in March
57
57 mm (2.2 inches) Monthly Rainfall in April
91
91 mm (3.6 inches) Monthly Rainfall in May
70
70 mm (2.8 inches) Monthly Rainfall in June
79
79 mm (3.1 inches) Monthly Rainfall in July
124
124 mm (4.9 inches) Monthly Rainfall in August
140
140 mm (5.5 inches) Monthly Rainfall in September
134
134 mm (5.3 inches) Monthly Rainfall in October
113
113 mm (4.4 inches) Monthly Rainfall in November
88
88 mm (3.5 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
VH
Very High Heat & Humidity in July
VH
Very High Heat & Humidity in August
VH
Very High Heat & Humidity in September
H
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
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)
26
26 °C (79°F) Sea Temperature in January
26
26 °C (79°F) Sea Temperature in February
26
26 °C (79°F) Sea Temperature in March
26
26 °C (79°F) Sea Temperature in April
27
27 °C (81°F) Sea Temperature in May
28
28 °C (82°F) Sea Temperature in June
28
28 °C (82°F) Sea Temperature in July
28
28 °C (82°F) Sea Temperature in August
29
29 °C (84°F) Sea Temperature in September
28
28 °C (82°F) Sea Temperature in October
28
28 °C (82°F) Sea Temperature in November
27
27 °C (81°F) Sea Temperature in December
J F M A M J J A S O N D
Saint John's Climate Guide (Historical Weather Averages), Antigua, Antigua and Barbuda
Elev: 0 m   Long: 061°50'W   Lat: 17°07'N
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Cocobay · Dian Bay · Dickenson's Bay · Falmouth Harbour · Hawksbill · Jolly Beach · Long Bay · Saint James · Soldiers Bay 
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