Measurements:
°C
°F
St John's
84°F
W 18 mph
Feels like: 90°F
Precip: 64%
World Resorts Antigua and Barbuda St John's Weather

7 Day Weather Forecast

05.12
tue
DAY
84°F
W 18 mph
precip
64%
NIGHT
84°F
W 17 mph
precip
0%
05.13
wed
DAY
84°F
W 19 mph
precip
65%
NIGHT
82°F
W 17 mph
precip
69%
05.14
thu
DAY
84°F
W 20 mph
precip
65%
NIGHT
82°F
W 19 mph
precip
100%
05.15
fri
DAY
86°F
W 17 mph
precip
67%
NIGHT
84°F
W 19 mph
precip
88%
05.16
sat
DAY
84°F
W 20 mph
precip
62%
NIGHT
82°F
W 19 mph
precip
100%
05.17
sun
DAY
84°F
W 17 mph
precip
75%
NIGHT
84°F
W 18 mph
precip
29%
05.18
mon
DAY
84°F
W 20 mph
precip
82%
NIGHT
84°F
W 19 mph
precip
100%

St John's Sea Water Temperature in May, °F

Select Year: 2025 2024 2023

The average sea surface temperature in May 2025 for St John's was 28.0°F. The maximum and minimum values were 27.5°F and 28.4°F respectively.

St John's on the Weather Map

Best Time to Visit St John's
The most sunny months:
March 6 days
January 5 days
February 5 days
The most warm months:
September 89.5 °F
August 89.1 °F
July 88.9 °F
Warmest sea temperature:
September 88.5 °F
October 88.3 °F
August 87.6 °F
The most cold months:
February 83.0 °F
March 83.3 °F
January 83.6 °F
The most rainy months:
October 6 days
November 5 days
September 5 days
The most windy months:
July 17 mph
February 17 mph
January 17 mph