Climate averages 1991–2020

Jacmel weather
in August.

A hot, wet month: one of the warmest and the 9th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 30.0°C Daytime mean, August
Average low 25.3°C Night-time mean, August
Rainfall 124 mm 20 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Jacmel · average highYear overview

August is a hot month in Jacmel: daytime highs average 30.0°C and nights cool to about 25.3°C. By daytime temperature it is one of the warmest months of the year.

Expect about 124 mm of rain on roughly 20 days, which makes August a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 45 min on an average August day.

The nearest other city in this atlas is Léogâne (32 km away). In August its highs average 31.4°C, 1.4°C warmer than Jacmel, with 111 mm of rain.

Among the 18 cities listed in Haiti, Jacmel ranks 17th of 18 for the warmest August highs and 12th of 18 for the driest August (rainfall, lowest first). The mean August high of those 18 cities is 31.8°C; Jacmel is 1.8°C cooler than that mean.

From August to September, average highs fall by 0.5°C to 29.4°C, and monthly rainfall rises from 124 mm to 137 mm.

The annual picture

August in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 20253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Jacmel climate table

1991–2020
Monthly climate averages for Jacmel, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.5°C22.1°C22.1°C163.711.211 h
February 27.7°C22.2°C22.2°C275.611.512 h
March 27.8°C22.5°C22.5°C6011.112.012 h
April 28.2°C23.3°C23.3°C9515.712.513 h
May 28.6°C24.3°C24.3°C13119.713.013 h
June 29.5°C25.1°C25.1°C7816.113.213 h
July 30.0°C25.2°C25.2°C8016.613.113 h
August, selected 30.0°C25.3°C25.3°C12419.912.713 h
September 29.4°C25.1°C25.1°C13722.312.312 h
October 28.7°C24.6°C24.6°C14221.011.712 h
November 28.1°C23.7°C23.7°C7413.211.311 h
December 27.7°C22.7°C22.7°C255.211.111 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

August in nearby cities

Distance from Jacmel

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Jacmel) is explained once on the Jacmel year overview and on the Sources, method and limits page.