Climate averages 1991–2020
Batticaloa weather
in October.
A hot, wet month: the 7th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a hot month in Batticaloa: daytime highs average 31.0°C and nights cool to about 24.8°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 152 mm of rain on roughly 19 days, which makes October a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 57 min on an average October day.
The nearest other city in this atlas is Kalmunai (37 km away). In October its highs average 30.2°C, 0.7°C cooler than Batticaloa, with 164 mm of rain.
Among the 12 cities listed in Sri Lanka, Batticaloa ranks 1st of 12 for the warmest October highs and 2nd of 12 for the driest October (rainfall, lowest first). The mean October high of those 12 cities is 29.1°C; Batticaloa is 1.8°C warmer than that mean.
From October to November, average highs fall by 2.5°C to 28.5°C, and monthly rainfall rises from 152 mm to 283 mm.
The annual picture
October 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 | 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, selected | 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
October in nearby cities
- Kalmunai in OctoberSri Lanka · 37 kmHigh 30.2°C · Low 25.2°C · 164 mm rain
- Trincomalee in OctoberSri Lanka · 109 kmHigh 30.7°C · Low 25.2°C · 186 mm rain
- Kandy in OctoberSri Lanka · 126 kmHigh 26.9°C · Low 20.7°C · 257 mm rain
- Ambalantota in OctoberSri Lanka · 192 kmHigh 30.3°C · Low 24.7°C · 141 mm rain
- Negombo in OctoberSri Lanka · 212 kmHigh 28.8°C · Low 24.5°C · 315 mm rain
- Colombo in OctoberSri Lanka · 221 kmHigh 28.8°C · Low 24.1°C · 327 mm rain
- Dehiwala-Mount Lavinia in OctoberSri Lanka · 223 kmHigh 28.5°C · Low 24.2°C · 328 mm rain
- Matara in OctoberSri Lanka · 234 kmHigh 28.4°C · Low 24.4°C · 250 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.