Weather in Antananarivo in August 2025
Average weather
Average temperature in Antananarivo in August
The temperature in August is +22°C on average, with a range between a maximum of +26°C during the day and a minimum of +10°C at night.
The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +23°C to +21°C.
Is Antananarivo warm or cold in August?
Antananarivo is typically mild in August.
Maximum temperatures go up compared to the previous month from +19°C to +20°C. The minimum temperature also goes up from +10°C to +10°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
August is one of the coolest months in Antananarivo, here is the comparison with other months:
Climate in Antananarivo in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +19°C | +20°C | +23°C | ||||
| Min. temperature | ||||||
| +5°C | +5°C | +3°C | ||||
| Max. temperature | ||||||
| +26°C | +28°C | +31°C | ||||
| Rainfall | ||||||
| 5 mm | 4 mm | 5 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 78% | 75% | 72% | ||||
| Air pressure | ||||||
| 1022 HPa | 1022 HPa | 1020 HPa | ||||
| Sunny days | ||||||
| 2 | 3 | 5 | ||||
| Cloudy days | ||||||
| 23 | 23 | 20 | ||||
| Rainy days | ||||||
| 6 | 5 | 4 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as good as in July. It’s getting warmer as August arrives. The average maximum temperature goes up from +19°C to +20°C during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 5 mm to 4 mm. It feels drier, as humidity decreases from 78% to 75%. The average wind speed doesn’t change much during August, staying around 2 m/s. The good news is there are likely to be more sunny days in August, from 2 to 3.
September brings much the same weather, it remains good.
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 Antananarivo is gradually increasing during August, going from 3 m/s to 3 m/s over the course of the month.
Rain
How was the weather last August in Antananarivo?
Climate Change over Years
The climate in Antananarivo in August has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+22°C) and the highest in 2019 (+25°C). The driest year was 2006 with only 560 mm of rainfall, and the wettest year was 2015 with 1625 mm.
FAQ
Is August a good time to visit Antananarivo?
Can you sunbathe in Antananarivo in August?
Is Antananarivo rainy in August?
Is it sunny in Antananarivo in August?
Monthly weather in Antananarivo
Source of the data
For this page, we’ve looked at the typical weather in Antananarivo, 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.