Climate averages 1991–2020
Jaffna weather
in March.
A hot, fairly dry month: the 6th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a hot month in Jaffna: daytime highs average 30.2°C and nights cool to about 25.9°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 22 mm of rain on roughly 3 days, which makes March a fairly dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 04 min on an average March day.
The nearest other city in this atlas is Point Pedro (30 km away). In March its highs average 30.2°C, about as warm as Jaffna, with 21 mm of rain.
Among the 12 cities listed in Sri Lanka, Jaffna ranks joint 6th of 12 for the warmest March highs and 2nd of 12 for the driest March (rainfall, lowest first). The mean March high of those 12 cities is 30.5°C; Jaffna is 0.3°C cooler than that mean.
From March to April, average highs rise by 1.2°C to 31.4°C, and monthly rainfall rises from 22 mm to 45 mm.
The annual picture
March 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, selected | 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 | 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
March in nearby cities
- Point Pedro in MarchSri Lanka · 30 kmHigh 30.2°C · Low 25.5°C · 21 mm rain
- Pattukkottai in MarchIndia · 113 kmHigh 33.7°C · Low 23.1°C · 21 mm rain
- Nagapattinam in MarchIndia · 123 kmHigh 30.0°C · Low 25.5°C · 22 mm rain
- Kāraikāl in MarchIndia · 140 kmHigh 30.0°C · Low 25.5°C · 19 mm rain
- Kāraikkudi in MarchIndia · 143 kmHigh 34.5°C · Low 22.8°C · 24 mm rain
- Pudukkottai in MarchIndia · 152 kmHigh 35.1°C · Low 22.8°C · 21 mm rain
- Paramagudi in MarchIndia · 156 kmHigh 34.4°C · Low 23.4°C · 31 mm rain
- Thanjavur in MarchIndia · 156 kmHigh 35.1°C · Low 23.0°C · 19 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.