Weather in Antigua in August 2025
Average weather
Average temperature in Antigua in August
The expected average maximum temperature in August is +84°F with a maximum of +84°F and a minimum of +79°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +84°F to +84°F.
Is Antigua warm or cold in August?
Antigua is typically warm in August.
Maximum temperatures go up compared to the previous month from +81°F to +82°F. The minimum temperature also goes up from +79°F to +79°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is one of the warmest months in Antigua, here is the comparison with other months:
Water temperature in Antigua in August
Water in Antigua in August is Very warm. It varies from +82°F to +87°F, with an average of +84°F. Note that the air temperature is lower than the water temperature, averaging around +82°F.
The water temperature in August is one of the warmest of the entire year:
Can you swim in Antigua in August?
Climate in Antigua in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +81°F | +82°F | +82°F | ||||
| Min. temperature | ||||||
| +75°F | +75°F | +73°F | ||||
| Max. temperature | ||||||
| +88°F | +88°F | +91°F | ||||
| Rainfall | ||||||
| 68 mm | 88 mm | 116 mm | ||||
| Wind | ||||||
| 6 m/s | 5 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +83°F | +84°F | +85°F | ||||
| Humidity | ||||||
| 77% | 77% | 78% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 1 | 1 | 1 | ||||
| Cloudy days | ||||||
| 4 | 3 | 4 | ||||
| Rainy days | ||||||
| 24 | 24 | 21 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +81°F to +82°F during the day. Prepare for more rain. Average rainfall goes from 68 mm to 88 mm. Humidity levels don’t change as the month goes on, averaging around 77%. Winds are calmer in comparison to July, going down from 6 m/s to 5 m/s on average. The amount of sunny days stay about the same, averaging 1 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Antigua is gradually increasing during August, going from 1 m/s to 3 m/s over the course of the month.
Rain
How was the weather last August in Antigua?
Climate Change Over the Years
The climate in Antigua in August has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+78°F) and the highest in 2019 (+84°F). The driest year was 1994 with only 425 mm of rainfall, and the wettest year was 2020 with 1243 mm.
FAQ
Is August a good time to visit Antigua?
Can you sunbathe in Antigua in August?
Can you swim in Antigua in August?
Is Antigua rainy in August?
Is it sunny in Antigua in August?
Monthly weather in Antigua
Source of the data
For this page, we’ve looked at the typical weather in Antigua, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.