Climate averages 1991–2020
Batticaloa weather
in July.
A very hot, fairly dry month: one of the warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a very hot month in Batticaloa: daytime highs average 34.5°C and nights cool to about 26.5°C. By daytime temperature it is one of the warmest months of the year.
Expect about 24 mm of rain on roughly 6 days, which makes July a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 31 min on an average July day.
The nearest other city in this atlas is Kalmunai (37 km away). In July its highs average 33.2°C, 1.3°C cooler than Batticaloa, with 31 mm of rain.
Among the 12 cities listed in Sri Lanka, Batticaloa ranks 1st of 12 for the warmest July highs and 2nd of 12 for the driest July (rainfall, lowest first). The mean July high of those 12 cities is 30.2°C; Batticaloa is 4.4°C warmer than that mean.
From July to August, average highs fall by 0.3°C to 34.2°C, and monthly rainfall rises from 24 mm to 31 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
Batticaloa climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.1°C23.2°C | 23.2°C | 170 | 15.7 | 11.712 h |
| February | 28.2°C23.3°C | 23.3°C | 89 | 11.2 | 11.912 h |
| March | 30.2°C24.0°C | 24.0°C | 52 | 8.2 | 12.112 h |
| April | 31.8°C25.3°C | 25.3°C | 59 | 10.5 | 12.312 h |
| May | 33.4°C26.2°C | 26.2°C | 50 | 9.3 | 12.512 h |
| June | 34.5°C26.6°C | 26.6°C | 25 | 5.3 | 12.613 h |
| July, selected | 34.5°C26.5°C | 26.5°C | 24 | 5.8 | 12.513 h |
| August | 34.2°C26.1°C | 26.1°C | 31 | 7.3 | 12.412 h |
| September | 33.2°C25.6°C | 25.6°C | 48 | 11.1 | 12.212 h |
| October | 31.0°C24.8°C | 24.8°C | 152 | 18.9 | 12.012 h |
| November | 28.5°C24.0°C | 24.0°C | 283 | 23.6 | 11.812 h |
| December | 27.3°C23.5°C | 23.5°C | 302 | 21.6 | 11.712 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
- Kalmunai in JulySri Lanka · 37 kmHigh 33.2°C · Low 26.4°C · 31 mm rain
- Trincomalee in JulySri Lanka · 109 kmHigh 33.6°C · Low 26.3°C · 31 mm rain
- Kandy in JulySri Lanka · 126 kmHigh 26.7°C · Low 21.3°C · 83 mm rain
- Ambalantota in JulySri Lanka · 192 kmHigh 31.2°C · Low 25.6°C · 45 mm rain
- Negombo in JulySri Lanka · 212 kmHigh 28.5°C · Low 25.2°C · 176 mm rain
- Colombo in JulySri Lanka · 221 kmHigh 28.5°C · Low 24.8°C · 183 mm rain
- Dehiwala-Mount Lavinia in JulySri Lanka · 223 kmHigh 28.2°C · Low 24.8°C · 205 mm rain
- Matara in JulySri Lanka · 234 kmHigh 28.3°C · Low 24.8°C · 159 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 Batticaloa) is explained once on the Batticaloa year overview and on the Sources, method and limits page.