Galle weather in May
In May, Galle sees average daytime highs of 29°C and overnight lows near 26°C, with 279 mm of rain across 28.4 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 1st-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 11% of the time in May, and the air most often feels miserable.
Daylight stretches from about 12 h 12 min at the start of May to 12 h 18 min by month's end. Set against the rest of the year, May is Galle's 7th-clearest and 5th-windiest month. For the whole year in context, see Galle's year-round climate.
- Daytime high
- 29°
- 3rd warmest
- Overnight low
- 26°
- 12th coldest
- Rainfall
- 279 mm
- 28.4 wet days
- Daylight
- 12 h 18 min
- 5:57 AM – 6:14 PM
- Cloud cover
- 75%
- 7th clearest
- Wind
- 19 km/h
- 5th windiest
- Solar energy
- 5.27 kWh/m²
- Travel score
- 3.3
- out of 10
Galle is city in Southern 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 29°C through the month.
A typical May day in Galle reaches about 29°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, May runs on par with April and on par with 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 26 |
| 2 | 29 | 26 |
| 3 | 29 | 27 |
| 4 | 29 | 27 |
| 5 | 29 | 27 |
| 6 | 29 | 27 |
| 7 | 29 | 27 |
| 8 | 29 | 27 |
| 9 | 29 | 27 |
| 10 | 29 | 26 |
| 11 | 29 | 26 |
| 12 | 29 | 26 |
| 13 | 29 | 26 |
| 14 | 29 | 26 |
| 15 | 29 | 26 |
| 16 | 29 | 26 |
| 17 | 28 | 26 |
| 18 | 28 | 26 |
| 19 | 28 | 26 |
| 20 | 28 | 26 |
| 21 | 28 | 26 |
| 22 | 28 | 26 |
| 23 | 28 | 26 |
| 24 | 28 | 26 |
| 25 | 28 | 26 |
| 26 | 28 | 26 |
| 27 | 28 | 26 |
| 28 | 28 | 26 |
| 29 | 28 | 26 |
| 30 | 28 | 26 |
| 31 | 28 | 26 |
How May really feels in Galle
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.
Galle weather by month
How May compares with the rest of the year at a glance. May is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 25° | 63 | 12.2 | 11.7 | 6.0 |
| Feb | 28° / 25° | 50 | 10.1 | 11.8 | 5.8 |
| Mar | 29° / 26° | 65 | 13.7 | 12 | 5.2 |
| Apr | 29° / 26° | 147 | 22.7 | 12.1 | 3.9 |
| May | 29° / 26° | 279 | 28.4 | 12.3 | 3.3 |
| Jun | 28° / 26° | 244 | 27.5 | 12.3 | 3.5 |
| Jul | 28° / 26° | 215 | 27.5 | 12.3 | 3.7 |
| Aug | 27° / 26° | 206 | 27.4 | 12.2 | 3.8 |
| Sep | 28° / 26° | 240 | 26.5 | 12 | 3.8 |
| Oct | 28° / 25° | 263 | 26.5 | 11.9 | 3.9 |
| Nov | 28° / 25° | 250 | 23.5 | 11.7 | 4.2 |
| Dec | 28° / 25° | 148 | 18.7 | 11.7 | 5.0 |
Cloud cover in May
The sky is clear or mostly clear about 11% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 17% of May, with mostly cloudy or overcast conditions the remaining 72%. 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 (%) | 33 | 33 | 33 | 33 | 32 | 33 | 32 | 33 | 33 | 31 | 31 | 31 | 31 | 30 | 30 | 29 | 30 | 28 | 27 | 27 | 26 | 26 | 23 | 23 | 22 | 22 | 21 | 20 | 20 | 19 | 18 |
| Cloudier (%) | 67 | 67 | 67 | 67 | 68 | 67 | 68 | 67 | 67 | 69 | 69 | 69 | 69 | 70 | 70 | 71 | 70 | 72 | 73 | 73 | 74 | 74 | 77 | 77 | 78 | 78 | 79 | 80 | 80 | 81 | 82 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 33 | 67 |
| 2 | 33 | 67 |
| 3 | 33 | 67 |
| 4 | 33 | 67 |
| 5 | 32 | 68 |
| 6 | 33 | 67 |
| 7 | 32 | 68 |
| 8 | 33 | 67 |
| 9 | 33 | 67 |
| 10 | 31 | 69 |
| 11 | 31 | 69 |
| 12 | 31 | 69 |
| 13 | 31 | 69 |
| 14 | 30 | 70 |
| 15 | 30 | 70 |
| 16 | 29 | 71 |
| 17 | 30 | 70 |
| 18 | 28 | 72 |
| 19 | 27 | 73 |
| 20 | 27 | 73 |
| 21 | 26 | 74 |
| 22 | 26 | 74 |
| 23 | 23 | 77 |
| 24 | 23 | 77 |
| 25 | 22 | 78 |
| 26 | 22 | 78 |
| 27 | 21 | 79 |
| 28 | 20 | 80 |
| 29 | 20 | 80 |
| 30 | 19 | 81 |
| 31 | 18 | 82 |
Chance of precipitation in May
Galle gets around 279 mm of rain over 28.4 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 91% and peaks near 95% 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 (%) | 85 | 86 | 86 | 86 | 87 | 87 | 88 | 88 | 89 | 89 | 89 | 90 | 90 | 91 | 91 | 92 | 92 | 92 | 93 | 93 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 |
| Rain chance (%) | |
|---|---|
| 1 | 85 |
| 2 | 86 |
| 3 | 86 |
| 4 | 86 |
| 5 | 87 |
| 6 | 87 |
| 7 | 88 |
| 8 | 88 |
| 9 | 89 |
| 10 | 89 |
| 11 | 89 |
| 12 | 90 |
| 13 | 90 |
| 14 | 91 |
| 15 | 91 |
| 16 | 92 |
| 17 | 92 |
| 18 | 92 |
| 19 | 93 |
| 20 | 93 |
| 21 | 94 |
| 22 | 94 |
| 23 | 94 |
| 24 | 95 |
| 25 | 95 |
| 26 | 95 |
| 27 | 95 |
| 28 | 95 |
| 29 | 95 |
| 30 | 95 |
| 31 | 95 |
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 96% 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 (%) | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 |
| Miserable (%) | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 5 | 95 |
| 2 | 5 | 95 |
| 3 | 5 | 95 |
| 4 | 5 | 95 |
| 5 | 4 | 96 |
| 6 | 4 | 96 |
| 7 | 4 | 96 |
| 8 | 4 | 96 |
| 9 | 4 | 96 |
| 10 | 4 | 96 |
| 11 | 4 | 96 |
| 12 | 4 | 96 |
| 13 | 4 | 96 |
| 14 | 4 | 96 |
| 15 | 3 | 97 |
| 16 | 3 | 97 |
| 17 | 3 | 97 |
| 18 | 3 | 97 |
| 19 | 3 | 97 |
| 20 | 3 | 97 |
| 21 | 3 | 97 |
| 22 | 3 | 97 |
| 23 | 3 | 97 |
| 24 | 3 | 97 |
| 25 | 3 | 97 |
| 26 | 3 | 97 |
| 27 | 3 | 97 |
| 28 | 3 | 97 |
| 29 | 4 | 96 |
| 30 | 4 | 96 |
| 31 | 4 | 96 |
Wind in May
Winds average 19 km/h in May.
Across May, daily wind ranges from about 14 km/h on the calmest days to 22 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) | 14 | 14 | 15 | 15 | 15 | 16 | 16 | 16 | 17 | 17 | 17 | 18 | 18 | 18 | 19 | 19 | 19 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 22 | 22 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 14 | light breeze |
| 2 | 14 | light breeze |
| 3 | 15 | light breeze |
| 4 | 15 | light breeze |
| 5 | 15 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 18 | light breeze |
| 13 | 18 | light breeze |
| 14 | 18 | light breeze |
| 15 | 19 | light breeze |
| 16 | 19 | light breeze |
| 17 | 19 | light breeze |
| 18 | 20 | light breeze |
| 19 | 20 | light breeze |
| 20 | 20 | breezy |
| 21 | 20 | breezy |
| 22 | 20 | breezy |
| 23 | 21 | breezy |
| 24 | 21 | breezy |
| 25 | 21 | breezy |
| 26 | 21 | breezy |
| 27 | 21 | breezy |
| 28 | 21 | breezy |
| 29 | 21 | breezy |
| 30 | 22 | breezy |
| 31 | 22 | breezy |
Sunrise & sunset in May
Daylight runs from about 12 h 12 min at the start of May to 12 h 18 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 5:57 AM, and sunset from 6:13 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) | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 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 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 |
| Sunrise (AM) | 6:00 | 6:00 | 6:00 | 5:59 | 5:59 | 5:59 | 5:59 | 5:58 | 5:58 | 5:58 | 5:58 | 5:58 | 5:58 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 | 5:57 |
| Sunset (PM) | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:13 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:14 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:00 | 6:13 |
| 2 | 12.2 | 6:00 | 6:13 |
| 3 | 12.2 | 6:00 | 6:13 |
| 4 | 12.2 | 5:59 | 6:13 |
| 5 | 12.2 | 5:59 | 6:13 |
| 6 | 12.2 | 5:59 | 6:13 |
| 7 | 12.2 | 5:59 | 6:13 |
| 8 | 12.2 | 5:58 | 6:13 |
| 9 | 12.2 | 5:58 | 6:13 |
| 10 | 12.3 | 5:58 | 6:13 |
| 11 | 12.3 | 5:58 | 6:13 |
| 12 | 12.3 | 5:58 | 6:13 |
| 13 | 12.3 | 5:58 | 6:13 |
| 14 | 12.3 | 5:57 | 6:13 |
| 15 | 12.3 | 5:57 | 6:14 |
| 16 | 12.3 | 5:57 | 6:14 |
| 17 | 12.3 | 5:57 | 6:14 |
| 18 | 12.3 | 5:57 | 6:14 |
| 19 | 12.3 | 5:57 | 6:14 |
| 20 | 12.3 | 5:57 | 6:14 |
| 21 | 12.3 | 5:57 | 6:14 |
| 22 | 12.3 | 5:57 | 6:15 |
| 23 | 12.3 | 5:57 | 6:15 |
| 24 | 12.3 | 5:57 | 6:15 |
| 25 | 12.3 | 5:57 | 6:15 |
| 26 | 12.3 | 5:57 | 6:15 |
| 27 | 12.3 | 5:57 | 6:15 |
| 28 | 12.3 | 5:57 | 6:16 |
| 29 | 12.3 | 5:57 | 6:16 |
| 30 | 12.3 | 5:57 | 6:16 |
| 31 | 12.3 | 5:57 | 6:16 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.27 kWh/m².
For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.45 kWh/m² in March across the year — May's 5.27 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) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 |
| 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 | 5.5 | Bright |
| 2 | 5.5 | Bright |
| 3 | 5.5 | Bright |
| 4 | 5.5 | Bright |
| 5 | 5.5 | Bright |
| 6 | 5.4 | Bright |
| 7 | 5.4 | Bright |
| 8 | 5.4 | Bright |
| 9 | 5.4 | Bright |
| 10 | 5.4 | Bright |
| 11 | 5.3 | Bright |
| 12 | 5.3 | Bright |
| 13 | 5.3 | Bright |
| 14 | 5.3 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.3 | Bright |
| 17 | 5.3 | Bright |
| 18 | 5.3 | Bright |
| 19 | 5.3 | Bright |
| 20 | 5.3 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.2 | Bright |
| 23 | 5.2 | Bright |
| 24 | 5.2 | Bright |
| 25 | 5.2 | Bright |
| 26 | 5.2 | Bright |
| 27 | 5.2 | Bright |
| 28 | 5.2 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Galle
In May, Galle sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Galle sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Is May a good time to visit Galle?
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 Galle.
What to pack for Galle in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Galle sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.
Sea temperature near Galle 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 13 km away) is warmest in April at about 30°C and coldest in July near 28°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 | 28 | 28 | 28 | 28 | 29 | 28 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 29 | Tropical |
| Jun | 28 | Tropical |
| Jul | 28 | Warm |
| Aug | 28 | Warm |
| Sep | 28 | Warm |
| Oct | 28 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Tropical |
UV index in Galle 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 Galle peaks around April 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 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) | 9 | 14 | 12 | 14 | 13 | 11 | 11 | 13 | 13 | 13 | 11 | 10 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Very high |
Air quality in Galle 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 Galle is worst in January — around 35 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (September, 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) | 35 | 31 | 25 | 21 | 20 | 18 | 17 | 17 | 16 | 18 | 25 | 30 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 35 | Moderate |
| Feb | 31 | Moderate |
| Mar | 25 | Moderate |
| Apr | 21 | Moderate |
| May | 20 | Moderate |
| Jun | 18 | Moderate |
| Jul | 17 | Moderate |
| Aug | 17 | Moderate |
| Sep | 16 | Moderate |
| Oct | 18 | Moderate |
| Nov | 25 | Moderate |
| Dec | 30 | Moderate |
Where is Galle?
Galle sits at 6.0°N, 80.2°E, 24 m above sea level, in Sri Lanka. The nearest listed city is Unawatuna, 5.0 km away.
Topography around Galle
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Galle.
Within 3 km, the terrain around Galle has only modest variations in elevation — a maximum elevation change of 61 m around an average of 9 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 217 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,357 m.
The land around Galle is covered by trees (49%) and water (32%) within 3 km, water (51%) and trees (45%) within 16 km, and trees (51%) and water (46%) 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 Galle (6.0461°, 80.2103°, elevation 24 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).