Jaffna weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Fair
Best time to visit: January – March
What is the weather like in Jaffna in October?
In October, Jaffna is hot: daytime highs average 29 °C, and even at night it stays warm at around 26 °C. The sea averages 29.0 °C – almost as warm as a bath. Expect around 6 hours of sunshine a day. It is the rainy season: rain falls on about 21 days, totalling 224 mm. On about 7 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, October is a so-so month for a holiday in Jaffna.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 53 | 46 | 51 |
| Day | 30° | 29° | 28° |
| Night | 27° | 26° | 25° |
| Sea | 29° | 29° | 29° |
| Sun | 7 h | 6 h | 5 h |
| Rain days | 13 | 21 | 22 |
More details for October
- Daylight
- 11 h 56 min05:58 – 17:53
- UV index
- 12 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 7 days30 °C or moreAll months
- Time zone
- UTC+5:30Asia/Colombo
How the score comes together
- Temperatureweight 50 %74 %
- Sunshineweight 20 %43 %
- Few rainy daysweight 30 %0 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Jaffna in October: quick answers
Is Jaffna hot in October?
Yes. In October, Jaffna is hot: daytime highs average 29 °C and nights stay around 26 °C. On about 7 days the thermometer climbs to 30 °C or more.
Can you swim in Jaffna in October?
Yes. In October the sea averages 29.0 °C – almost as warm as a bath.
Does it rain much in Jaffna in October?
It rains often – on about 21 days, adding up to 224 mm.
Jaffna month by month
The whole year in JaffnaAll destinations: Sri LankaWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences