Puttalam weather in May
In May, Puttalam sees average daytime highs of 30°C and overnight lows near 27°C, with 135 mm of rain across 22 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 14% of the time in May, and the air most often feels miserable.
Daylight stretches from about 12 h 18 min at the start of May to 12 h 24 min by month's end. Set against the rest of the year, May is Puttalam's 6th-clearest and 5th-windiest month. For the whole year in context, see Puttalam's year-round climate.
- Daytime high
- 30°
- 4th warmest
- Overnight low
- 27°
- 12th coldest
- Rainfall
- 135 mm
- 22 wet days
- Daylight
- 12 h 24 min
- 5:56 AM – 6:18 PM
- Cloud cover
- 72%
- 6th clearest
- Wind
- 22 km/h
- 5th windiest
- Solar energy
- 5.55 kWh/m²
- Travel score
- 3.6
- out of 10
Puttalam is large town in North Western Province, Sri Lanka.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 30°C through the month.
A typical May day in Puttalam reaches about 30°C in the afternoon and slips back to 27°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.
| 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) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| Avg low (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 30 | 27 |
| 2 | 30 | 27 |
| 3 | 30 | 27 |
| 4 | 30 | 27 |
| 5 | 30 | 27 |
| 6 | 30 | 27 |
| 7 | 30 | 27 |
| 8 | 30 | 27 |
| 9 | 30 | 27 |
| 10 | 30 | 27 |
| 11 | 30 | 27 |
| 12 | 30 | 27 |
| 13 | 30 | 27 |
| 14 | 30 | 27 |
| 15 | 30 | 27 |
| 16 | 30 | 27 |
| 17 | 30 | 27 |
| 18 | 30 | 27 |
| 19 | 30 | 27 |
| 20 | 30 | 27 |
| 21 | 30 | 27 |
| 22 | 30 | 27 |
| 23 | 30 | 27 |
| 24 | 30 | 27 |
| 25 | 30 | 27 |
| 26 | 30 | 27 |
| 27 | 30 | 27 |
| 28 | 30 | 27 |
| 29 | 30 | 27 |
| 30 | 30 | 27 |
| 31 | 30 | 27 |
How May really feels in Puttalam
Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Puttalam weather by month
How May compares with the rest of the year at a glance. May is the 4th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 24° | 41 | 6.3 | 11.6 | 5.9 |
| Feb | 30° / 24° | 32 | 5.2 | 11.7 | 5.5 |
| Mar | 31° / 26° | 48 | 10.1 | 11.9 | 4.6 |
| Apr | 31° / 27° | 117 | 21.7 | 12.2 | 3.4 |
| May | 30° / 27° | 135 | 22 | 12.4 | 3.6 |
| Jun | 29° / 27° | 79 | 16.7 | 12.5 | 4.3 |
| Jul | 29° / 26° | 41 | 10.1 | 12.4 | 5.2 |
| Aug | 29° / 26° | 50 | 11.5 | 12.3 | 5.1 |
| Sep | 29° / 26° | 93 | 16.5 | 12 | 4.5 |
| Oct | 29° / 26° | 222 | 22.5 | 11.8 | 3.8 |
| Nov | 29° / 25° | 248 | 22.1 | 11.6 | 3.8 |
| Dec | 29° / 25° | 137 | 14 | 11.5 | 5.0 |
Cloud cover in May
The sky is clear or mostly clear about 14% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 18% of May, with mostly cloudy or overcast conditions the remaining 68%. Skies tend to cloud over 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 (%) | 39 | 38 | 38 | 37 | 37 | 37 | 36 | 36 | 36 | 36 | 35 | 34 | 34 | 34 | 34 | 33 | 32 | 31 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 27 | 26 | 26 | 25 | 24 |
| Cloudier (%) | 61 | 62 | 62 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 65 | 66 | 66 | 66 | 66 | 67 | 68 | 69 | 69 | 70 | 70 | 70 | 70 | 71 | 71 | 72 | 73 | 74 | 74 | 75 | 76 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 39 | 61 |
| 2 | 38 | 62 |
| 3 | 38 | 62 |
| 4 | 37 | 63 |
| 5 | 37 | 63 |
| 6 | 37 | 63 |
| 7 | 36 | 64 |
| 8 | 36 | 64 |
| 9 | 36 | 64 |
| 10 | 36 | 64 |
| 11 | 35 | 65 |
| 12 | 34 | 66 |
| 13 | 34 | 66 |
| 14 | 34 | 66 |
| 15 | 34 | 66 |
| 16 | 33 | 67 |
| 17 | 32 | 68 |
| 18 | 31 | 69 |
| 19 | 31 | 69 |
| 20 | 30 | 70 |
| 21 | 30 | 70 |
| 22 | 30 | 70 |
| 23 | 30 | 70 |
| 24 | 29 | 71 |
| 25 | 29 | 71 |
| 26 | 28 | 72 |
| 27 | 27 | 73 |
| 28 | 26 | 74 |
| 29 | 26 | 74 |
| 30 | 25 | 75 |
| 31 | 24 | 76 |
Chance of precipitation in May
Puttalam gets around 135 mm of rain over 22 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 70% and peaks near 75% on the wettest days.
| 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 (%) | 75 | 75 | 75 | 75 | 74 | 74 | 73 | 72 | 72 | 71 | 70 | 69 | 68 | 68 | 67 | 67 | 67 | 67 | 67 | 67 | 68 | 68 | 68 | 69 | 69 | 70 | 70 | 71 | 71 | 71 | 71 |
| Rain chance (%) | |
|---|---|
| 1 | 75 |
| 2 | 75 |
| 3 | 75 |
| 4 | 75 |
| 5 | 74 |
| 6 | 74 |
| 7 | 73 |
| 8 | 72 |
| 9 | 72 |
| 10 | 71 |
| 11 | 70 |
| 12 | 69 |
| 13 | 68 |
| 14 | 68 |
| 15 | 67 |
| 16 | 67 |
| 17 | 67 |
| 18 | 67 |
| 19 | 67 |
| 20 | 67 |
| 21 | 68 |
| 22 | 68 |
| 23 | 68 |
| 24 | 69 |
| 25 | 69 |
| 26 | 70 |
| 27 | 70 |
| 28 | 71 |
| 29 | 71 |
| 30 | 71 |
| 31 | 71 |
Humidity in May
Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the miserable band about 99% 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 (%) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
| Miserable (%) | 98 | 98 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 99 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 99 | 99 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 2 | 98 |
| 2 | 2 | 98 |
| 3 | 1 | 99 |
| 4 | 1 | 99 |
| 5 | 1 | 99 |
| 6 | 1 | 99 |
| 7 | 1 | 99 |
| 8 | 1 | 99 |
| 9 | 1 | 99 |
| 10 | 1 | 99 |
| 11 | 1 | 99 |
| 12 | 1 | 99 |
| 13 | 1 | 99 |
| 14 | 1 | 99 |
| 15 | 1 | 99 |
| 16 | 0 | 100 |
| 17 | 0 | 100 |
| 18 | 0 | 100 |
| 19 | 0 | 100 |
| 20 | 0 | 100 |
| 21 | 0 | 100 |
| 22 | 0 | 100 |
| 23 | 0 | 100 |
| 24 | 0 | 100 |
| 25 | 0 | 100 |
| 26 | 0 | 100 |
| 27 | 0 | 100 |
| 28 | 0 | 100 |
| 29 | 0 | 100 |
| 30 | 1 | 99 |
| 31 | 1 | 99 |
Wind in May
Winds average 22 km/h in May.
Across May, daily wind ranges from about 16 km/h on the calmest days to 26 km/h at its breeziest. Calmer and breezier days trade off through 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 17 | 17 | 17 | 18 | 18 | 19 | 19 | 20 | 20 | 20 | 21 | 21 | 22 | 22 | 22 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 25 | 25 | 26 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | 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 | 16 | light breeze |
| 2 | 17 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 18 | light breeze |
| 6 | 18 | light breeze |
| 7 | 19 | light breeze |
| 8 | 19 | light breeze |
| 9 | 20 | light breeze |
| 10 | 20 | breezy |
| 11 | 20 | breezy |
| 12 | 21 | breezy |
| 13 | 21 | breezy |
| 14 | 22 | breezy |
| 15 | 22 | breezy |
| 16 | 22 | breezy |
| 17 | 23 | breezy |
| 18 | 23 | breezy |
| 19 | 23 | breezy |
| 20 | 24 | breezy |
| 21 | 24 | breezy |
| 22 | 24 | breezy |
| 23 | 24 | breezy |
| 24 | 24 | breezy |
| 25 | 25 | breezy |
| 26 | 25 | breezy |
| 27 | 25 | breezy |
| 28 | 25 | breezy |
| 29 | 25 | breezy |
| 30 | 25 | breezy |
| 31 | 26 | breezy |
Sunrise & sunset in May
Daylight runs from about 12 h 18 min at the start of May to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over May. Sunrise moves from 6:00 AM to 5:55 AM, and sunset from 6:16 PM to 6:21 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) | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 |
| Sunrise (AM) | 6:00 | 5:59 | 5:59 | 5:59 | 5:58 | 5:58 | 5:58 | 5:58 | 5:57 | 5:57 | 5:57 | 5:57 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:56 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 | 5:55 |
| Sunset (PM) | 6:16 | 6:16 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:21 | 6:21 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.3 | 6:00 | 6:16 |
| 2 | 12.3 | 5:59 | 6:16 |
| 3 | 12.3 | 5:59 | 6:16 |
| 4 | 12.3 | 5:59 | 6:16 |
| 5 | 12.3 | 5:58 | 6:17 |
| 6 | 12.3 | 5:58 | 6:17 |
| 7 | 12.3 | 5:58 | 6:17 |
| 8 | 12.3 | 5:58 | 6:17 |
| 9 | 12.3 | 5:57 | 6:17 |
| 10 | 12.3 | 5:57 | 6:17 |
| 11 | 12.3 | 5:57 | 6:17 |
| 12 | 12.3 | 5:57 | 6:17 |
| 13 | 12.3 | 5:56 | 6:17 |
| 14 | 12.4 | 5:56 | 6:18 |
| 15 | 12.4 | 5:56 | 6:18 |
| 16 | 12.4 | 5:56 | 6:18 |
| 17 | 12.4 | 5:56 | 6:18 |
| 18 | 12.4 | 5:56 | 6:18 |
| 19 | 12.4 | 5:56 | 6:18 |
| 20 | 12.4 | 5:55 | 6:19 |
| 21 | 12.4 | 5:55 | 6:19 |
| 22 | 12.4 | 5:55 | 6:19 |
| 23 | 12.4 | 5:55 | 6:19 |
| 24 | 12.4 | 5:55 | 6:19 |
| 25 | 12.4 | 5:55 | 6:20 |
| 26 | 12.4 | 5:55 | 6:20 |
| 27 | 12.4 | 5:55 | 6:20 |
| 28 | 12.4 | 5:55 | 6:20 |
| 29 | 12.4 | 5:55 | 6:20 |
| 30 | 12.4 | 5:55 | 6:21 |
| 31 | 12.4 | 5:55 | 6:21 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.55 kWh/m².
For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.56 kWh/m² in March across the year — May's 5.55 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 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 |
| 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 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.7 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.6 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.6 | Bright |
| 11 | 5.6 | Bright |
| 12 | 5.6 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.6 | Bright |
| 17 | 5.6 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.5 | Bright |
| 22 | 5.5 | Bright |
| 23 | 5.5 | Bright |
| 24 | 5.5 | Bright |
| 25 | 5.5 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.4 | Bright |
| 29 | 5.4 | Bright |
| 30 | 5.4 | Bright |
| 31 | 5.4 | Bright |
Hazard calendar for Puttalam
In May, Puttalam sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Puttalam sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Puttalam's rainy season runs October–December, when most of the year's rain falls.
Is May a good time to visit Puttalam?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a weaker month for outdoor sightseeing in Puttalam.
What to pack for Puttalam in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Puttalam sees daytime highs around 30°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection and a windbreaker. About 22 days see rain.
Sea temperature near Puttalam in May
The nearest coast averages about 29°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 24 km away) is warmest in April at about 30°C and coldest in August 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) | 28 | 28 | 29 | 30 | 29 | 28 | 27 | 27 | 28 | 28 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 29 | Tropical |
| Jun | 28 | Tropical |
| Jul | 27 | Warm |
| Aug | 27 | Warm |
| Sep | 28 | Warm |
| Oct | 28 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Puttalam in May
Clear-sky midday UV in May peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Puttalam peaks around April 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 9 (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) | 10 | 13 | 12 | 13 | 13 | 11 | 12 | 13 | 13 | 12 | 11 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 13 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 9 | Very high |
Air quality in Puttalam in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Puttalam is worst in March — around 30 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (October, 16 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 18 | 18 | 30 | 29 | 25 | 18 | 17 | 17 | 19 | 16 | 17 | 17 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 18 | Moderate |
| Feb | 18 | Moderate |
| Mar | 30 | Moderate |
| Apr | 29 | Moderate |
| May | 25 | Moderate |
| Jun | 18 | Moderate |
| Jul | 17 | Moderate |
| Aug | 17 | Moderate |
| Sep | 19 | Moderate |
| Oct | 16 | Moderate |
| Nov | 17 | Moderate |
| Dec | 17 | Moderate |
Where is Puttalam?
Puttalam sits at 8.0°N, 79.8°E, 8 m above sea level, in Sri Lanka. The nearest listed city is Chilaw, 51 km away.
Topography around Puttalam
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Puttalam.
Within 3 km, the terrain around Puttalam has only modest variations in elevation — a maximum elevation change of 30 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 93 m; within 80 km, significant variations in elevation — a maximum elevation change of 580 m.
The land around Puttalam is covered by water (45%) and trees (24%) within 3 km, trees (45%) and water (33%) within 16 km, and trees (50%) and water (38%) 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 Puttalam (8.0362°, 79.8283°, elevation 8 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).