Saint Johnʼs Weather in August
August in Saint Johnʼs typically sees daytime highs of 30°C (86°F) and nighttime lows of 27°C (81°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Saint Johnʼs in August
Typically, you can expect about 18 days of rain this month, with 106 mm (4.2 in) on average. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Saint Johnʼs in August
In August, Saint Johnʼs gets high temperatures, with highs of 30°C (86°F). Nights cool to around 27°C (81°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 27°C (81°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July and December typically offer the best weather for Saint Johnʼs.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Antigua & Barbuda, check out our Saint Johnʼs's climate page.
Saint Johnʼs Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
60%
Precipitation
106 mm (4.2 in)
Rainy days
18 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Saint Johnʼs typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Saint Johnʼs in August
Browse day-by-day weather records for Saint Johnʼs spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Saint Johnʼs historical weather extremes in August
Based on 39 years of weather observations (1986-2025), these are the most extreme conditions recorded in Saint Johnʼs.
- On August 12, 1995, temperatures climbed to 34°C (93°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 26°C (79°F), recorded on August 23, 1988.
- Saint Johnʼs registered its coldest August night on August 5, 1993, with temperatures dropping to 21°C (70°F).
Best Places in Antigua & Barbuda in August
Find out more about the weather in Antigua & Barbuda and which places have the best travel conditions in this month. See all of Antigua & Barbuda in August →
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What to Wear in Saint Johnʼs in August
Warm but pleasant conditions in Saint Johnʼs in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Saint Johnʼs in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Antigua & Barbuda, check out our Saint Johnʼs's climate page.
See the full Saint Johnʼs climate overview or explore weather in Antigua & Barbuda.
