Climate averages 1991–2020
Jaffna weather
in June.
A hot, fairly dry month: the 3rd warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
June is a hot month in Jaffna: daytime highs average 30.7°C and nights cool to about 27.9°C. By daytime temperature it is the 3rd warmest of the 12 months.
Expect about 27 mm of rain on roughly 6 days, which makes June a fairly dry month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 41 min on an average June day.
The nearest other city in this atlas is Point Pedro (30 km away). In June its highs average 31.3°C, 0.7°C warmer than Jaffna, with 17 mm of rain.
Among the 12 cities listed in Sri Lanka, Jaffna ranks 6th of 12 for the warmest June highs and 4th of 12 for the driest June (rainfall, lowest first). The mean June high of those 12 cities is 30.4°C; Jaffna is 0.3°C warmer than that mean.
From June to July, average highs fall by 0.2°C to 30.5°C, and monthly rainfall rises from 27 mm to 33 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
Jaffna climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.8°C24.4°C | 24.4°C | 62 | 6.7 | 11.612 h |
| February | 28.1°C24.8°C | 24.8°C | 26 | 4.3 | 11.812 h |
| March | 30.2°C25.9°C | 25.9°C | 22 | 3.3 | 12.112 h |
| April | 31.4°C27.3°C | 27.3°C | 45 | 7.5 | 12.312 h |
| May | 31.2°C28.1°C | 28.1°C | 58 | 7.6 | 12.613 h |
| June, selected | 30.7°C27.9°C | 27.9°C | 27 | 5.6 | 12.713 h |
| July | 30.5°C27.5°C | 27.5°C | 33 | 9.0 | 12.613 h |
| August | 30.3°C27.1°C | 27.1°C | 48 | 10.4 | 12.412 h |
| September | 30.1°C26.9°C | 26.9°C | 67 | 12.1 | 12.212 h |
| October | 29.0°C26.0°C | 26.0°C | 208 | 20.9 | 11.912 h |
| November | 27.6°C25.1°C | 25.1°C | 313 | 22.1 | 11.712 h |
| December | 26.8°C24.7°C | 24.7°C | 199 | 16.3 | 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
- Point Pedro in JuneSri Lanka · 30 kmHigh 31.3°C · Low 27.7°C · 17 mm rain
- Pattukkottai in JuneIndia · 113 kmHigh 35.7°C · Low 26.9°C · 64 mm rain
- Nagapattinam in JuneIndia · 123 kmHigh 33.0°C · Low 27.9°C · 37 mm rain
- Kāraikāl in JuneIndia · 140 kmHigh 33.0°C · Low 27.9°C · 36 mm rain
- Kāraikkudi in JuneIndia · 143 kmHigh 35.9°C · Low 26.3°C · 59 mm rain
- Pudukkottai in JuneIndia · 152 kmHigh 35.9°C · Low 26.4°C · 56 mm rain
- Paramagudi in JuneIndia · 156 kmHigh 36.5°C · Low 26.5°C · 54 mm rain
- Thanjavur in JuneIndia · 156 kmHigh 36.6°C · Low 27.0°C · 57 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 Jaffna) is explained once on the Jaffna year overview and on the Sources, method and limits page.