World Resorts Antigua and Barbuda St John's Weather

St John's 14 Days Forecast

17.12
wed
Day
81°F
W 17 mph
Precip.
100%
Night
79°F
W 16 mph
Precip.
63%
18.12
thu
Day
81°F
W 19 mph
Precip.
0%
Night
79°F
W 19 mph
Precip.
100%
19.12
fri
Day
81°F
W 21 mph
Precip.
100%
Night
79°F
W 16 mph
Precip.
85%
20.12
sat
Day
81°F
W 17 mph
Precip.
0%
Night
79°F
W 18 mph
Precip.
60%
21.12
sun
Day
81°F
W 19 mph
Precip.
0%
Night
79°F
W 17 mph
Precip.
100%
22.12
mon
Day
81°F
W 17 mph
Precip.
40%
Night
79°F
W 15 mph
Precip.
100%
23.12
tue
Day
81°F
SW 13 mph
Precip.
26%
Night
77°F
SW 17 mph
Precip.
47%
24.12
wed
Day
79°F
SW 16 mph
Precip.
78%
Night
77°F
SW 16 mph
Precip.
100%
25.12
thu
Day
79°F
W 16 mph
Precip.
74%
Night
77°F
SW 16 mph
Precip.
100%
26.12
fri
Day
79°F
W 15 mph
Precip.
100%
Night
77°F
W 17 mph
Precip.
100%
27.12
sat
Day
79°F
W 16 mph
Precip.
100%
Night
79°F
W 18 mph
Precip.
100%
28.12
sun
Day
81°F
W 17 mph
Precip.
0%
Night
79°F
W 16 mph
Precip.
80%
29.12
mon
Day
81°F
W 17 mph
Precip.
100%
Night
79°F
W 20 mph
Precip.
78%
30.12
tue
Day
79°F
W 19 mph
Precip.
55%
Night
79°F
W 18 mph
Precip.
100%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 82.0°F. The highest and lowest sea temperatures during the month were 82.6°F and 81.5°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 81.4°F. The highest and lowest sea temperatures during the month were 82.2°F and 80.8°F.

Air temperature in St John's, °F

Precipitation total in St John's, in.

* Charts above show average data for the last 3 years.

Best time for vacation in St John's

Sunniest months:
March 7 days
January 5 days
February 5 days
Warmest months:
September 85.6 °F
August 85.2 °F
July 85.0 °F
Warmest sea temp:
September 84.6 °F
October 84.5 °F
August 83.9 °F
Coldest months:
February 79.8 °F
March 80.1 °F
January 80.3 °F
Rainiest months:
October 6 days
November 5 days
September 5 days
Windiest months:
July 17.8 mph
February 17.5 mph
January 17.3 mph

St John's on a weather map

Current weather
18:46
St John's
+79°F
W 15 mph
Feels like: +84°F
Precip.: 87%
Places in Antigua and Barbuda:
Name
°F
Antigua
+79°F
Barbuda
+81°F
St John's
+79°F
24 Hours Forecast
St John's
Local time: 18:46
December 17, wednesday
2100
79°F
W
16 mph
December 18, thursday
0000
79°F
W
16 mph
0300
79°F
W
16 mph
0600
79°F
W
15 mph
0900
79°F
W
17 mph
1200
81°F
W
19 mph
1500
81°F
W
17 mph
1800
79°F
SW
17 mph
Units of measurement: °C / °F