Climate averages 1991–2020

Galle weather
in March.

A hot, moderately wet month: the warmest and the 3rd driest of the year.

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

Average high 29.6°C Daytime mean, March

Average low 24.7°C Night-time mean, March

Rainfall 65 mm 14 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

March is a hot month in Galle: daytime highs average 29.6°C and nights cool to about 24.7°C. By daytime temperature it is the warmest month of the year.

Expect about 65 mm of rain on roughly 14 days, which makes March a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 05 min on an average March day.

The nearest other city in this atlas is Matara (38 km away). In March its highs average 30.5°C, 0.9°C warmer than Galle, with 99 mm of rain.

Among the 12 cities listed in Sri Lanka, Galle ranks 10th of 12 for the warmest March highs and 7th of 12 for the driest March (rainfall, lowest first). The mean March high of those 12 cities is 30.5°C; Galle is 0.9°C cooler than that mean.

From March to April, average highs fall by 0.3°C to 29.2°C, and monthly rainfall rises from 65 mm to 147 mm.

The annual picture

March in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

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

Every month, side by side

Galle climate table

1991–2020

Monthly climate averages for Galle, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	28.3°C23.6°C	23.6°C	64	12.2	11.812 h
February	29.0°C24.0°C	24.0°C	51	10.3	11.912 h
March, selected	29.6°C24.7°C	24.7°C	65	13.9	12.112 h
April	29.2°C25.4°C	25.4°C	147	22.6	12.312 h
May	28.6°C25.5°C	25.5°C	279	28.6	12.412 h
June	28.1°C25.2°C	25.2°C	244	27.6	12.512 h
July	27.8°C24.9°C	24.9°C	214	27.5	12.412 h
August	27.7°C24.8°C	24.8°C	207	27.3	12.312 h
September	27.7°C24.7°C	24.7°C	240	26.5	12.212 h
October	27.8°C24.5°C	24.5°C	263	26.5	12.012 h
November	28.0°C24.2°C	24.2°C	250	23.5	11.912 h
December	28.0°C23.9°C	23.9°C	148	18.5	11.812 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

March in nearby cities

Distance from Galle

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 Galle) is explained once on the Galle year overview and on the Sources, method and limits page.