Measurements:
°C
°F
CURRENT WEATHER
05:03
St John's
86°F
W 19 mph
Feels like: 92°F
Precip: 19%
World Resorts Antigua and Barbuda St John's Weather

7 Day Weather Forecast

07.30
thu
DAY
86°F
W 19 mph
precip
15%
NIGHT
84°F
W 20 mph
precip
9%
07.31
fri
DAY
86°F
W 21 mph
precip
21%
NIGHT
84°F
W 21 mph
precip
41%
08.01
sat
DAY
82°F
NW 25 mph
precip
33%
NIGHT
84°F
W 17 mph
precip
12%
08.02
sun
DAY
86°F
W 17 mph
precip
13%
NIGHT
84°F
W 17 mph
precip
17%
08.03
mon
DAY
86°F
W 17 mph
precip
16%
NIGHT
84°F
W 18 mph
precip
26%
08.04
tue
DAY
86°F
W 11 mph
precip
10%
NIGHT
84°F
W 14 mph
precip
24%
08.05
wed
DAY
86°F
W 16 mph
precip
8%
NIGHT
84°F
W 16 mph
precip
25%

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

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for St John's was 28.5°F. The maximum and minimum values were 28.1°F and 29.0°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
October 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
more details