Jaffna weather in August
In August, Jaffna sees average daytime highs of 29°C and overnight lows near 28°C, with 48 mm of rain across 10.5 wet days and about 12.3 hours of daylight. It is the 5th-warmest and 7th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 10% of the time in August, and the air most often feels miserable.
Daylight stretches from about 12 h 24 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Jaffna's 10th-clearest and 4th-windiest month. For the whole year in context, see Jaffna's year-round climate.
- Daytime high
- 29°
- 5th warmest
- Overnight low
- 28°
- 8th coldest
- Rainfall
- 48 mm
- 10.5 wet days
- Daylight
- 12 h 18 min
- 6:04 AM – 6:24 PM
- Cloud cover
- 77%
- 10th clearest
- Wind
- 26 km/h
- 4th windiest
- Solar energy
- 5.88 kWh/m²
- Travel score
- 5.0
- out of 10
Jaffna is capital city of the Northern Province of Sri Lanka.
- Density
- 8,371/km²
- people per km²
- Founded
- 1621
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 29°C through the month.
A typical August day in Jaffna reaches about 29°C in the afternoon and slips back to 28°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 30°C. Set against its neighbours, August runs on par with July and on par with September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 28 |
| 2 | 29 | 28 |
| 3 | 29 | 28 |
| 4 | 29 | 28 |
| 5 | 29 | 28 |
| 6 | 29 | 28 |
| 7 | 29 | 28 |
| 8 | 29 | 28 |
| 9 | 29 | 28 |
| 10 | 29 | 28 |
| 11 | 29 | 28 |
| 12 | 29 | 28 |
| 13 | 29 | 28 |
| 14 | 29 | 28 |
| 15 | 29 | 28 |
| 16 | 29 | 28 |
| 17 | 29 | 28 |
| 18 | 29 | 28 |
| 19 | 29 | 27 |
| 20 | 29 | 27 |
| 21 | 29 | 27 |
| 22 | 29 | 27 |
| 23 | 29 | 27 |
| 24 | 29 | 27 |
| 25 | 29 | 27 |
| 26 | 29 | 27 |
| 27 | 29 | 27 |
| 28 | 29 | 27 |
| 29 | 29 | 27 |
| 30 | 29 | 27 |
| 31 | 29 | 27 |
How August really feels in Jaffna
Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Jaffna weather by month
How August compares with the rest of the year at a glance. August is the 5th-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 25° | 62 | 6.7 | 11.5 | 7.0 |
| Feb | 28° / 25° | 25 | 4.2 | 11.7 | 7.4 |
| Mar | 29° / 26° | 22 | 3.4 | 11.9 | 6.5 |
| Apr | 30° / 28° | 45 | 7.7 | 12.2 | 5.2 |
| May | 30° / 28° | 58 | 7.6 | 12.4 | 5.0 |
| Jun | 30° / 28° | 27 | 5.5 | 12.6 | 5.2 |
| Jul | 30° / 28° | 33 | 9.2 | 12.5 | 4.9 |
| Aug | 29° / 28° | 48 | 10.5 | 12.3 | 5.0 |
| Sep | 29° / 27° | 67 | 12 | 12.1 | 4.9 |
| Oct | 29° / 27° | 208 | 20.9 | 11.8 | 4.2 |
| Nov | 28° / 26° | 313 | 22 | 11.6 | 4.5 |
| Dec | 27° / 25° | 200 | 16.3 | 11.4 | 5.5 |
Cloud cover in August
The sky is clear or mostly clear about 10% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 12% of August, with mostly cloudy or overcast conditions the remaining 78%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 16 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 22 | 22 | 22 | 22 | 22 | 23 | 24 | 25 | 25 | 26 | 27 | 28 | 28 | 28 | 28 | 28 | 30 |
| Cloudier (%) | 84 | 83 | 83 | 83 | 82 | 82 | 81 | 81 | 81 | 80 | 80 | 80 | 80 | 80 | 78 | 78 | 78 | 78 | 78 | 77 | 76 | 75 | 75 | 74 | 73 | 72 | 72 | 72 | 72 | 72 | 70 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 16 | 84 |
| 2 | 17 | 83 |
| 3 | 17 | 83 |
| 4 | 17 | 83 |
| 5 | 18 | 82 |
| 6 | 18 | 82 |
| 7 | 19 | 81 |
| 8 | 19 | 81 |
| 9 | 19 | 81 |
| 10 | 20 | 80 |
| 11 | 20 | 80 |
| 12 | 20 | 80 |
| 13 | 20 | 80 |
| 14 | 20 | 80 |
| 15 | 22 | 78 |
| 16 | 22 | 78 |
| 17 | 22 | 78 |
| 18 | 22 | 78 |
| 19 | 22 | 78 |
| 20 | 23 | 77 |
| 21 | 24 | 76 |
| 22 | 25 | 75 |
| 23 | 25 | 75 |
| 24 | 26 | 74 |
| 25 | 27 | 73 |
| 26 | 28 | 72 |
| 27 | 28 | 72 |
| 28 | 28 | 72 |
| 29 | 28 | 72 |
| 30 | 28 | 72 |
| 31 | 30 | 70 |
Chance of precipitation in August
Jaffna gets around 48 mm of rain over 10.5 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 34% and peaks near 38% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 28 | 28 | 28 | 28 | 29 | 29 | 30 | 31 | 32 | 32 | 33 | 34 | 35 | 36 | 36 | 37 | 37 | 38 | 38 | 38 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 35 | 35 | 35 | 35 |
| Rain chance (%) | |
|---|---|
| 1 | 28 |
| 2 | 28 |
| 3 | 28 |
| 4 | 28 |
| 5 | 29 |
| 6 | 29 |
| 7 | 30 |
| 8 | 31 |
| 9 | 32 |
| 10 | 32 |
| 11 | 33 |
| 12 | 34 |
| 13 | 35 |
| 14 | 36 |
| 15 | 36 |
| 16 | 37 |
| 17 | 37 |
| 18 | 38 |
| 19 | 38 |
| 20 | 38 |
| 21 | 38 |
| 22 | 38 |
| 23 | 37 |
| 24 | 37 |
| 25 | 36 |
| 26 | 36 |
| 27 | 36 |
| 28 | 35 |
| 29 | 35 |
| 30 | 35 |
| 31 | 35 |
Humidity in August
Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the miserable band about 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 |
| Miserable (%) | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 95 | 95 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 6 | 94 |
| 2 | 6 | 94 |
| 3 | 6 | 94 |
| 4 | 6 | 94 |
| 5 | 6 | 94 |
| 6 | 6 | 94 |
| 7 | 6 | 94 |
| 8 | 6 | 94 |
| 9 | 6 | 94 |
| 10 | 6 | 94 |
| 11 | 6 | 94 |
| 12 | 6 | 94 |
| 13 | 6 | 94 |
| 14 | 6 | 94 |
| 15 | 6 | 94 |
| 16 | 5 | 95 |
| 17 | 5 | 95 |
| 18 | 5 | 95 |
| 19 | 5 | 95 |
| 20 | 5 | 95 |
| 21 | 4 | 96 |
| 22 | 4 | 96 |
| 23 | 4 | 96 |
| 24 | 4 | 96 |
| 25 | 4 | 96 |
| 26 | 4 | 96 |
| 27 | 4 | 96 |
| 28 | 4 | 96 |
| 29 | 4 | 96 |
| 30 | 5 | 95 |
| 31 | 5 | 95 |
Wind in August
Winds average 26 km/h in August.
Across August, daily wind ranges from about 25 km/h on the calmest days to 27 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 |
| Feels | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy | breezy |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 27 | breezy |
| 2 | 27 | breezy |
| 3 | 27 | breezy |
| 4 | 27 | breezy |
| 5 | 26 | breezy |
| 6 | 26 | breezy |
| 7 | 26 | breezy |
| 8 | 26 | breezy |
| 9 | 26 | breezy |
| 10 | 26 | breezy |
| 11 | 26 | breezy |
| 12 | 26 | breezy |
| 13 | 26 | breezy |
| 14 | 25 | breezy |
| 15 | 25 | breezy |
| 16 | 25 | breezy |
| 17 | 25 | breezy |
| 18 | 25 | breezy |
| 19 | 25 | breezy |
| 20 | 25 | breezy |
| 21 | 25 | breezy |
| 22 | 25 | breezy |
| 23 | 25 | breezy |
| 24 | 25 | breezy |
| 25 | 25 | breezy |
| 26 | 25 | breezy |
| 27 | 25 | breezy |
| 28 | 25 | breezy |
| 29 | 26 | breezy |
| 30 | 26 | breezy |
| 31 | 26 | breezy |
Sunrise & sunset in August
Daylight runs from about 12 h 24 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over August. Sunrise moves from 6:03 AM to 6:04 AM, and sunset from 6:29 PM to 6:16 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 |
| Sunrise (AM) | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 | 6:04 |
| Sunset (PM) | 6:29 | 6:29 | 6:28 | 6:28 | 6:28 | 6:27 | 6:27 | 6:27 | 6:26 | 6:26 | 6:26 | 6:25 | 6:25 | 6:25 | 6:24 | 6:24 | 6:23 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:20 | 6:19 | 6:19 | 6:18 | 6:18 | 6:17 | 6:16 | 6:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:03 | 6:29 |
| 2 | 12.4 | 6:03 | 6:29 |
| 3 | 12.4 | 6:03 | 6:28 |
| 4 | 12.4 | 6:04 | 6:28 |
| 5 | 12.4 | 6:04 | 6:28 |
| 6 | 12.4 | 6:04 | 6:27 |
| 7 | 12.4 | 6:04 | 6:27 |
| 8 | 12.4 | 6:04 | 6:27 |
| 9 | 12.4 | 6:04 | 6:26 |
| 10 | 12.4 | 6:04 | 6:26 |
| 11 | 12.4 | 6:04 | 6:26 |
| 12 | 12.4 | 6:04 | 6:25 |
| 13 | 12.3 | 6:04 | 6:25 |
| 14 | 12.3 | 6:04 | 6:25 |
| 15 | 12.3 | 6:04 | 6:24 |
| 16 | 12.3 | 6:04 | 6:24 |
| 17 | 12.3 | 6:04 | 6:23 |
| 18 | 12.3 | 6:04 | 6:23 |
| 19 | 12.3 | 6:04 | 6:22 |
| 20 | 12.3 | 6:04 | 6:22 |
| 21 | 12.3 | 6:04 | 6:21 |
| 22 | 12.3 | 6:04 | 6:21 |
| 23 | 12.3 | 6:04 | 6:20 |
| 24 | 12.3 | 6:04 | 6:20 |
| 25 | 12.2 | 6:04 | 6:19 |
| 26 | 12.2 | 6:04 | 6:19 |
| 27 | 12.2 | 6:04 | 6:18 |
| 28 | 12.2 | 6:04 | 6:18 |
| 29 | 12.2 | 6:04 | 6:17 |
| 30 | 12.2 | 6:04 | 6:16 |
| 31 | 12.2 | 6:04 | 6:16 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 5.88 kWh/m².
For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 6.58 kWh/m² in March across the year — August's 5.88 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.8 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.8 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.9 | Bright |
| 29 | 5.9 | Bright |
| 30 | 5.9 | Bright |
| 31 | 5.9 | Bright |
Hazard calendar for Jaffna
None of Jaffna's seasonal hazards are active in August. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Jaffna sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Jaffna's monsoon runs October–December, when most of the year's rain falls.
Is August a good time to visit Jaffna?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Jaffna for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Jaffna in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Jaffna sees daytime highs around 29°C and nights near 28°C. Pack light clothes. Worth having: rain gear, sun protection and a windbreaker. About 11 days see rain.
Sea temperature near Jaffna in August
The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 14 km away) is warmest in April at about 30°C and coldest in January near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 29 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Jaffna in August
Clear-sky midday UV in August peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Jaffna peaks around August 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 8 | 12 | 12 | 13 | 13 | 11 | 12 | 14 | 12 | 12 | 11 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 9 | Very high |
Air quality in Jaffna in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Jaffna is worst in May — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 20 | 19 | 20 | 20 | 24 | 19 | 18 | 19 | 17 | 18 | 17 | 19 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 19 | Moderate |
| Mar | 20 | Moderate |
| Apr | 20 | Moderate |
| May | 24 | Moderate |
| Jun | 19 | Moderate |
| Jul | 18 | Moderate |
| Aug | 19 | Moderate |
| Sep | 17 | Moderate |
| Oct | 18 | Moderate |
| Nov | 17 | Moderate |
| Dec | 19 | Moderate |
Where is Jaffna?
Jaffna sits at 9.7°N, 80.0°E, 7 m above sea level, in Sri Lanka. The nearest listed city is Valvedditturai, 24 km away.
Topography around Jaffna
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Jaffna.
Within 3 km, the terrain around Jaffna has only modest variations in elevation — a maximum elevation change of 16 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 22 m; within 80 km, only modest variations in elevation — a maximum elevation change of 99 m.
The land around Jaffna is covered by water (45%), trees (26%) and artificial surfaces (22%) within 3 km, water (46%) and trees (24%) within 16 km, and water (77%) within 80 km.
Sri Lanka travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 27% of US
- price level, 2025
- GDP per capita
- $5,002
- 2025
- Happiness
- 4.0 / 10
- World Happiness, 2025
- Safe drinking water
- 47%
- of population, 2024
- Homicide rate
- 3.3
- per 100k, 2019
- Road deaths
- 19.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 486
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Jaffna (9.6684°, 80.0074°, elevation 7 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).