Climate averages 1991–2020
Ambalantota weather
in July.
A hot, moderately wet month: the joint 3rd warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Ambalantota: daytime highs average 31.2°C and nights cool to about 25.6°C. By daytime temperature it is the joint 3rd warmest of the 12 months.
Expect about 45 mm of rain on roughly 13 days, which makes July a moderately wet month (the 2nd 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 (57 km away). In July its highs average 28.3°C, 2.9°C cooler than Ambalantota, with 159 mm of rain.
Among the 12 cities listed in Sri Lanka, Ambalantota ranks 4th of 12 for the warmest July highs and 6th of 12 for the driest July (rainfall, lowest first). The mean July high of those 12 cities is 30.2°C; Ambalantota is 1.0°C warmer than that mean.
From July to August, average highs stay level at 31.2°C, and monthly rainfall rises from 45 mm to 52 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
Ambalantota climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C23.2°C | 23.2°C | 56 | 8.6 | 11.812 h |
| February | 30.7°C23.6°C | 23.6°C | 42 | 7.9 | 11.912 h |
| March | 31.7°C24.4°C | 24.4°C | 58 | 11.2 | 12.112 h |
| April | 31.3°C25.2°C | 25.2°C | 110 | 18.7 | 12.312 h |
| May | 31.0°C25.9°C | 25.9°C | 101 | 18.7 | 12.412 h |
| June | 31.0°C25.8°C | 25.8°C | 60 | 14.9 | 12.512 h |
| July, selected | 31.2°C25.6°C | 25.6°C | 45 | 13.2 | 12.412 h |
| August | 31.2°C25.3°C | 25.3°C | 52 | 13.0 | 12.312 h |
| September | 30.9°C25.1°C | 25.1°C | 87 | 16.6 | 12.212 h |
| October | 30.3°C24.7°C | 24.7°C | 141 | 20.3 | 12.012 h |
| November | 29.2°C24.1°C | 24.1°C | 231 | 23.0 | 11.812 h |
| December | 28.9°C23.6°C | 23.6°C | 153 | 16.9 | 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 · 57 kmHigh 28.3°C · Low 24.8°C · 159 mm rain
- Galle in JulySri Lanka · 90 kmHigh 27.8°C · Low 24.9°C · 214 mm rain
- Kandy in JulySri Lanka · 137 kmHigh 26.7°C · Low 21.3°C · 83 mm rain
- Dehiwala-Mount Lavinia in JulySri Lanka · 150 kmHigh 28.2°C · Low 24.8°C · 205 mm rain
- Colombo in JulySri Lanka · 158 kmHigh 28.5°C · Low 24.8°C · 183 mm rain
- Kalmunai in JulySri Lanka · 169 kmHigh 33.2°C · Low 26.4°C · 31 mm rain
- Negombo in JulySri Lanka · 178 kmHigh 28.5°C · Low 25.2°C · 176 mm rain
- Batticaloa in JulySri Lanka · 192 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 Ambalantota) is explained once on the Ambalantota year overview and on the Sources, method and limits page.