Climate averages 1991–2020
Trincomalee weather
in June.
A hot, fairly dry month: the warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Trincomalee: daytime highs average 33.8°C and nights cool to about 26.6°C. By daytime temperature it is the warmest month of the year.
Expect about 18 mm of rain on roughly 3 days, which makes June a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 37 min on an average June day.
The nearest other city in this atlas is Batticaloa (109 km away). In June its highs average 34.5°C, 0.7°C warmer than Trincomalee, with 25 mm of rain.
Among the 12 cities listed in Sri Lanka, Trincomalee ranks 2nd of 12 for the warmest June highs and 2nd of 12 for the driest June (rainfall, lowest first). The mean June high of those 12 cities is 30.4°C; Trincomalee is 3.5°C warmer than that mean.
From June to July, average highs fall by 0.2°C to 33.6°C, and monthly rainfall rises from 18 mm to 31 mm.
The annual picture
June 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
Trincomalee climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C24.1°C | 24.1°C | 126 | 14.5 | 11.712 h |
| February | 27.9°C24.4°C | 24.4°C | 74 | 9.6 | 11.812 h |
| March | 30.0°C25.1°C | 25.1°C | 40 | 7.1 | 12.112 h |
| April | 31.7°C26.2°C | 26.2°C | 56 | 10.1 | 12.312 h |
| May | 33.5°C26.7°C | 26.7°C | 48 | 8.1 | 12.513 h |
| June, selected | 33.8°C26.6°C | 26.6°C | 18 | 3.1 | 12.613 h |
| July | 33.6°C26.3°C | 26.3°C | 31 | 5.5 | 12.613 h |
| August | 33.3°C26.0°C | 26.0°C | 45 | 7.8 | 12.412 h |
| September | 33.0°C25.8°C | 25.8°C | 65 | 10.7 | 12.212 h |
| October | 30.7°C25.2°C | 25.2°C | 186 | 18.6 | 11.912 h |
| November | 28.1°C24.5°C | 24.5°C | 301 | 24.1 | 11.712 h |
| December | 27.1°C24.3°C | 24.3°C | 276 | 20.9 | 11.612 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
June in nearby cities
- Batticaloa in JuneSri Lanka · 109 kmHigh 34.5°C · Low 26.6°C · 25 mm rain
- Kalmunai in JuneSri Lanka · 146 kmHigh 33.2°C · Low 26.6°C · 31 mm rain
- Kandy in JuneSri Lanka · 157 kmHigh 27.0°C · Low 21.7°C · 79 mm rain
- Point Pedro in JuneSri Lanka · 176 kmHigh 31.3°C · Low 27.7°C · 17 mm rain
- Jaffna in JuneSri Lanka · 181 kmHigh 30.7°C · Low 27.9°C · 27 mm rain
- Negombo in JuneSri Lanka · 216 kmHigh 28.8°C · Low 25.4°C · 224 mm rain
- Colombo in JuneSri Lanka · 238 kmHigh 28.8°C · Low 25.1°C · 242 mm rain
- Dehiwala-Mount Lavinia in JuneSri Lanka · 244 kmHigh 28.6°C · Low 25.1°C · 256 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 Trincomalee) is explained once on the Trincomalee year overview and on the Sources, method and limits page.