Climate averages 1991–2020
Galle weather
in July.
A warm, very wet month: the joint 9th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a warm month in Galle: daytime highs average 27.8°C and nights cool to about 24.9°C. By daytime temperature it is the joint 9th warmest of the 12 months.
Expect about 214 mm of rain on roughly 28 days, which makes July a very wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 26 min on an average July day.
The nearest other city in this atlas is Matara (38 km away). In July its highs average 28.3°C, about as warm as Galle, with 159 mm of rain.
Among the 12 cities listed in Sri Lanka, Galle ranks 11th of 12 for the warmest July highs and 12th of 12 for the driest July (rainfall, lowest first). The mean July high of those 12 cities is 30.2°C; Galle is 2.4°C cooler than that mean.
From July to August, average highs fall by 0.1°C to 27.7°C, and monthly rainfall falls from 214 mm to 207 mm.
The annual picture
July in context
Monthly rainfall
Average total · mmAverages 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
| 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 | 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, selected | 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
July in nearby cities
- Matara in JulySri Lanka · 38 kmHigh 28.3°C · Low 24.8°C · 159 mm rain
- Ambalantota in JulySri Lanka · 90 kmHigh 31.2°C · Low 25.6°C · 45 mm rain
- Dehiwala-Mount Lavinia in JulySri Lanka · 96 kmHigh 28.2°C · Low 24.8°C · 205 mm rain
- Colombo in JulySri Lanka · 107 kmHigh 28.5°C · Low 24.8°C · 183 mm rain
- Negombo in JulySri Lanka · 136 kmHigh 28.5°C · Low 25.2°C · 176 mm rain
- Kandy in JulySri Lanka · 146 kmHigh 26.7°C · Low 21.3°C · 83 mm rain
- Kalmunai in JulySri Lanka · 235 kmHigh 33.2°C · Low 26.4°C · 31 mm rain
- Batticaloa in JulySri Lanka · 247 kmHigh 34.5°C · Low 26.5°C · 24 mm rain
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 limitsHow 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.