Galle weather in December
In December, Galle sees average daytime highs of 28°C and overnight lows near 25°C, with 148 mm of rain across 18.7 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 h 42 min at the start of December to 11 h 42 min by month's end. Set against the rest of the year, December is Galle's 5th-clearest and 10th-windiest month. For the whole year in context, see Galle's year-round climate.
- Daytime high
- 28°
- 7th warmest
- Overnight low
- 25°
- 2nd coldest
- Rainfall
- 148 mm
- 18.7 wet days
- Daylight
- 11 h 42 min
- 6:16 AM – 5:55 PM
- Cloud cover
- 69%
- 5th clearest
- Wind
- 9 km/h
- 10th windiest
- Solar energy
- 4.94 kWh/m²
- Travel score
- 5.0
- 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 December
Day-to-day highs hold fairly steady near 28°C through the month.
A typical December day in Galle reaches about 28°C in the afternoon and slips back to 25°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, December runs on par with November and on par with January.
| 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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 25 |
| 2 | 28 | 25 |
| 3 | 28 | 25 |
| 4 | 28 | 25 |
| 5 | 28 | 25 |
| 6 | 28 | 25 |
| 7 | 28 | 25 |
| 8 | 28 | 25 |
| 9 | 28 | 25 |
| 10 | 28 | 25 |
| 11 | 28 | 25 |
| 12 | 28 | 25 |
| 13 | 28 | 25 |
| 14 | 28 | 25 |
| 15 | 28 | 25 |
| 16 | 28 | 25 |
| 17 | 28 | 25 |
| 18 | 28 | 25 |
| 19 | 28 | 25 |
| 20 | 28 | 25 |
| 21 | 28 | 25 |
| 22 | 28 | 25 |
| 23 | 28 | 25 |
| 24 | 28 | 25 |
| 25 | 28 | 25 |
| 26 | 28 | 25 |
| 27 | 28 | 25 |
| 28 | 28 | 25 |
| 29 | 28 | 25 |
| 30 | 28 | 25 |
| 31 | 28 | 25 |
How December really feels in Galle
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Galle weather by month
How December compares with the rest of the year at a glance. December is the 7th-warmest and 8th-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 December
The sky is clear or mostly clear about 21% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 63%. 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 (%) | 35 | 35 | 35 | 36 | 35 | 36 | 35 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 38 | 39 | 39 | 40 | 41 | 41 | 44 | 44 | 45 | 45 |
| Cloudier (%) | 65 | 65 | 65 | 64 | 65 | 64 | 65 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 65 | 65 | 65 | 65 | 64 | 64 | 63 | 62 | 61 | 61 | 60 | 59 | 59 | 56 | 56 | 55 | 55 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 35 | 65 |
| 2 | 35 | 65 |
| 3 | 35 | 65 |
| 4 | 36 | 64 |
| 5 | 35 | 65 |
| 6 | 36 | 64 |
| 7 | 35 | 65 |
| 8 | 35 | 65 |
| 9 | 35 | 65 |
| 10 | 35 | 65 |
| 11 | 35 | 65 |
| 12 | 35 | 65 |
| 13 | 34 | 66 |
| 14 | 34 | 66 |
| 15 | 35 | 65 |
| 16 | 35 | 65 |
| 17 | 35 | 65 |
| 18 | 35 | 65 |
| 19 | 36 | 64 |
| 20 | 36 | 64 |
| 21 | 37 | 63 |
| 22 | 38 | 62 |
| 23 | 39 | 61 |
| 24 | 39 | 61 |
| 25 | 40 | 60 |
| 26 | 41 | 59 |
| 27 | 41 | 59 |
| 28 | 44 | 56 |
| 29 | 44 | 56 |
| 30 | 45 | 55 |
| 31 | 45 | 55 |
Chance of precipitation in December
Galle gets around 148 mm of rain over 18.7 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 61% and peaks near 70% on the wettest days. The odds ease 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 (%) | 70 | 69 | 68 | 67 | 67 | 66 | 66 | 65 | 65 | 65 | 65 | 65 | 64 | 64 | 64 | 63 | 63 | 62 | 61 | 60 | 59 | 58 | 57 | 55 | 54 | 53 | 51 | 50 | 49 | 48 | 47 |
| Rain chance (%) | |
|---|---|
| 1 | 70 |
| 2 | 69 |
| 3 | 68 |
| 4 | 67 |
| 5 | 67 |
| 6 | 66 |
| 7 | 66 |
| 8 | 65 |
| 9 | 65 |
| 10 | 65 |
| 11 | 65 |
| 12 | 65 |
| 13 | 64 |
| 14 | 64 |
| 15 | 64 |
| 16 | 63 |
| 17 | 63 |
| 18 | 62 |
| 19 | 61 |
| 20 | 60 |
| 21 | 59 |
| 22 | 58 |
| 23 | 57 |
| 24 | 55 |
| 25 | 54 |
| 26 | 53 |
| 27 | 51 |
| 28 | 50 |
| 29 | 49 |
| 30 | 48 |
| 31 | 47 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 92% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 |
| Oppressive (%) | 90 | 90 | 90 | 90 | 90 | 90 | 91 | 92 | 92 | 92 | 93 | 93 | 93 | 93 | 93 | 93 | 94 | 94 | 93 | 94 | 93 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 91 | 91 | 91 |
| Miserable (%) | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 2 | 90 | 8 |
| 2 | 2 | 90 | 8 |
| 3 | 2 | 90 | 8 |
| 4 | 2 | 90 | 8 |
| 5 | 2 | 90 | 8 |
| 6 | 2 | 90 | 8 |
| 7 | 2 | 91 | 7 |
| 8 | 1 | 92 | 7 |
| 9 | 1 | 92 | 7 |
| 10 | 1 | 92 | 7 |
| 11 | 1 | 93 | 6 |
| 12 | 1 | 93 | 6 |
| 13 | 1 | 93 | 6 |
| 14 | 2 | 93 | 5 |
| 15 | 2 | 93 | 5 |
| 16 | 2 | 93 | 5 |
| 17 | 2 | 94 | 4 |
| 18 | 2 | 94 | 4 |
| 19 | 3 | 93 | 4 |
| 20 | 3 | 94 | 3 |
| 21 | 4 | 93 | 3 |
| 22 | 4 | 93 | 3 |
| 23 | 5 | 93 | 2 |
| 24 | 5 | 93 | 2 |
| 25 | 5 | 93 | 2 |
| 26 | 6 | 92 | 2 |
| 27 | 6 | 92 | 2 |
| 28 | 6 | 92 | 2 |
| 29 | 7 | 91 | 2 |
| 30 | 7 | 91 | 2 |
| 31 | 7 | 91 | 2 |
Wind in December
Winds average 9 km/h in December.
Across December, daily wind ranges from about 8 km/h on the calmest days to 10 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) | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 9 | calm |
| 17 | 9 | calm |
| 18 | 9 | calm |
| 19 | 9 | calm |
| 20 | 9 | calm |
| 21 | 9 | calm |
| 22 | 9 | calm |
| 23 | 9 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in December
Daylight runs from about 11 h 42 min at the start of December to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:09 AM to 6:23 AM, and sunset from 5:49 PM to 6:02 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) | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 |
| Sunrise (AM) | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 |
| Sunset (PM) | 5:49 | 5:49 | 5:50 | 5:50 | 5:50 | 5:51 | 5:51 | 5:52 | 5:52 | 5:52 | 5:53 | 5:53 | 5:54 | 5:54 | 5:54 | 5:55 | 5:55 | 5:56 | 5:56 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:02 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 6:09 | 5:49 |
| 2 | 11.7 | 6:09 | 5:49 |
| 3 | 11.7 | 6:10 | 5:50 |
| 4 | 11.7 | 6:10 | 5:50 |
| 5 | 11.7 | 6:11 | 5:50 |
| 6 | 11.7 | 6:11 | 5:51 |
| 7 | 11.7 | 6:11 | 5:51 |
| 8 | 11.7 | 6:12 | 5:52 |
| 9 | 11.7 | 6:12 | 5:52 |
| 10 | 11.7 | 6:13 | 5:52 |
| 11 | 11.7 | 6:13 | 5:53 |
| 12 | 11.7 | 6:14 | 5:53 |
| 13 | 11.7 | 6:14 | 5:54 |
| 14 | 11.7 | 6:15 | 5:54 |
| 15 | 11.7 | 6:15 | 5:54 |
| 16 | 11.7 | 6:16 | 5:55 |
| 17 | 11.7 | 6:16 | 5:55 |
| 18 | 11.6 | 6:17 | 5:56 |
| 19 | 11.6 | 6:17 | 5:56 |
| 20 | 11.6 | 6:18 | 5:57 |
| 21 | 11.6 | 6:18 | 5:57 |
| 22 | 11.6 | 6:19 | 5:58 |
| 23 | 11.6 | 6:19 | 5:58 |
| 24 | 11.6 | 6:20 | 5:59 |
| 25 | 11.6 | 6:20 | 5:59 |
| 26 | 11.6 | 6:21 | 6:00 |
| 27 | 11.7 | 6:21 | 6:00 |
| 28 | 11.7 | 6:21 | 6:00 |
| 29 | 11.7 | 6:22 | 6:01 |
| 30 | 11.7 | 6:22 | 6:01 |
| 31 | 11.7 | 6:23 | 6:02 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.94 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 — December's 4.94 kWh/m² sits near the bottom.
| 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) | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 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 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.9 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.9 | Bright |
| 7 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 4.9 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.9 | Bright |
| 14 | 4.9 | Bright |
| 15 | 4.9 | Bright |
| 16 | 4.9 | Bright |
| 17 | 4.9 | Bright |
| 18 | 4.9 | Bright |
| 19 | 4.9 | Bright |
| 20 | 4.9 | Bright |
| 21 | 4.9 | Bright |
| 22 | 4.9 | Bright |
| 23 | 5.0 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.1 | Bright |
| 29 | 5.1 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Galle
In December, 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 December a good time to visit Galle?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Galle for sightseeing.
What to pack for Galle in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Galle sees daytime highs around 28°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.
Sea temperature near Galle in December
The nearest coast averages about 28°C in December — 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 December
Clear-sky midday UV in December peaks around 10 (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 December
Average fine-particle pollution (PM2.5) through the year — so you can see where December 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).