Kalmunai weather in March
In March, Kalmunai sees average daytime highs of 29°C and overnight lows near 25°C, with 60 mm of rain across 9.9 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 8th-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 46% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Kalmunai's 1st-clearest and 4th-windiest month. For the whole year in context, see Kalmunai's year-round climate.
- Daytime high
- 29°
- 8th warmest
- Overnight low
- 25°
- 5th coldest
- Rainfall
- 60 mm
- 9.9 wet days
- Daylight
- 11 h 54 min
- 6:14 AM – 6:11 PM
- Cloud cover
- 48%
- 1st clearest
- Wind
- 10 km/h
- 4th windiest
- Solar energy
- 6.24 kWh/m²
- Travel score
- 5.7
- out of 10
Kalmunai is human settlement.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Day-to-day highs hold fairly steady near 29°C through the month.
A typical March day in Kalmunai reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, March runs about 1°C warmer than February and about 1°C cooler than April.
| 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 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 30 | 30 | 30 | 30 |
| 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 | 26 | 26 | 26 | 26 | 26 | 26 |
| 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 | 29 | 25 |
| 10 | 29 | 25 |
| 11 | 29 | 25 |
| 12 | 29 | 25 |
| 13 | 29 | 25 |
| 14 | 29 | 25 |
| 15 | 29 | 25 |
| 16 | 29 | 25 |
| 17 | 29 | 25 |
| 18 | 29 | 25 |
| 19 | 29 | 25 |
| 20 | 29 | 25 |
| 21 | 29 | 25 |
| 22 | 29 | 25 |
| 23 | 29 | 25 |
| 24 | 29 | 25 |
| 25 | 29 | 25 |
| 26 | 30 | 26 |
| 27 | 30 | 26 |
| 28 | 30 | 26 |
| 29 | 30 | 26 |
| 30 | 30 | 26 |
| 31 | 30 | 26 |
How March really feels in Kalmunai
Once humidity and wind are folded in, March averages 17 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 March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Kalmunai weather by month
How March compares with the rest of the year at a glance. March is the 8th-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 | 27° / 24° | 186 | 17.8 | 11.6 | 5.3 |
| Feb | 28° / 24° | 95 | 13 | 11.8 | 5.8 |
| Mar | 29° / 25° | 60 | 9.9 | 11.9 | 5.7 |
| Apr | 30° / 26° | 70 | 13.4 | 12.2 | 4.5 |
| May | 31° / 27° | 59 | 11.6 | 12.3 | 4.0 |
| Jun | 32° / 27° | 32 | 6.6 | 12.4 | 4.0 |
| Jul | 32° / 27° | 31 | 7.6 | 12.4 | 4.0 |
| Aug | 32° / 27° | 42 | 9.3 | 12.2 | 4.1 |
| Sep | 31° / 26° | 67 | 13.7 | 12 | 4.0 |
| Oct | 29° / 26° | 164 | 20.8 | 11.8 | 3.8 |
| Nov | 28° / 25° | 280 | 24.7 | 11.7 | 3.9 |
| Dec | 27° / 24° | 310 | 22.5 | 11.6 | 4.5 |
Cloud cover in March
The sky is clear or mostly clear about 46% of the time in March, the clearest month of the year.
Beyond those clear spells, partly cloudy skies cover about 19% of March, with mostly cloudy or overcast conditions the remaining 35%.
| 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 (%) | 63 | 63 | 63 | 63 | 64 | 63 | 63 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 65 | 65 | 65 | 66 | 66 | 66 | 66 | 66 | 66 | 66 | 67 | 66 | 66 | 65 | 65 | 64 | 63 |
| Cloudier (%) | 37 | 37 | 37 | 37 | 36 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 34 | 34 | 35 | 35 | 36 | 37 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 63 | 37 |
| 2 | 63 | 37 |
| 3 | 63 | 37 |
| 4 | 63 | 37 |
| 5 | 64 | 36 |
| 6 | 63 | 37 |
| 7 | 63 | 37 |
| 8 | 64 | 36 |
| 9 | 64 | 36 |
| 10 | 64 | 36 |
| 11 | 64 | 36 |
| 12 | 64 | 36 |
| 13 | 65 | 35 |
| 14 | 65 | 35 |
| 15 | 65 | 35 |
| 16 | 65 | 35 |
| 17 | 65 | 35 |
| 18 | 66 | 34 |
| 19 | 66 | 34 |
| 20 | 66 | 34 |
| 21 | 66 | 34 |
| 22 | 66 | 34 |
| 23 | 66 | 34 |
| 24 | 66 | 34 |
| 25 | 67 | 33 |
| 26 | 66 | 34 |
| 27 | 66 | 34 |
| 28 | 65 | 35 |
| 29 | 65 | 35 |
| 30 | 64 | 36 |
| 31 | 63 | 37 |
Chance of precipitation in March
Kalmunai gets around 60 mm of rain over 9.9 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 33% and peaks near 39% 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 (%) | 39 | 38 | 38 | 37 | 37 | 37 | 36 | 36 | 36 | 35 | 34 | 33 | 32 | 31 | 31 | 30 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 30 | 32 | 33 | 35 | 37 | 39 |
| Rain chance (%) | |
|---|---|
| 1 | 39 |
| 2 | 38 |
| 3 | 38 |
| 4 | 37 |
| 5 | 37 |
| 6 | 37 |
| 7 | 36 |
| 8 | 36 |
| 9 | 36 |
| 10 | 35 |
| 11 | 34 |
| 12 | 33 |
| 13 | 32 |
| 14 | 31 |
| 15 | 31 |
| 16 | 30 |
| 17 | 29 |
| 18 | 29 |
| 19 | 28 |
| 20 | 28 |
| 21 | 28 |
| 22 | 28 |
| 23 | 28 |
| 24 | 29 |
| 25 | 29 |
| 26 | 30 |
| 27 | 32 |
| 28 | 33 |
| 29 | 35 |
| 30 | 37 |
| 31 | 39 |
Humidity in March
Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the oppressive band about 73% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 20 | 19 | 19 | 18 | 17 | 17 | 16 | 15 | 15 | 14 | 13 | 13 | 12 | 12 | 11 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 |
| Oppressive (%) | 73 | 74 | 74 | 75 | 75 | 75 | 76 | 77 | 76 | 78 | 79 | 78 | 79 | 78 | 79 | 79 | 79 | 78 | 77 | 76 | 74 | 73 | 72 | 69 | 67 | 65 | 63 | 61 | 59 | 56 | 54 |
| Miserable (%) | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 15 | 17 | 19 | 21 | 23 | 26 | 29 | 31 | 34 | 36 | 39 | 42 | 44 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 2 | 20 | 73 | 5 |
| 2 | 1 | 19 | 74 | 6 |
| 3 | 1 | 19 | 74 | 6 |
| 4 | 1 | 18 | 75 | 6 |
| 5 | 1 | 17 | 75 | 7 |
| 6 | 1 | 17 | 75 | 7 |
| 7 | 1 | 16 | 76 | 7 |
| 8 | 1 | 15 | 77 | 7 |
| 9 | 1 | 15 | 76 | 8 |
| 10 | 0 | 14 | 78 | 8 |
| 11 | 0 | 13 | 79 | 8 |
| 12 | 0 | 13 | 78 | 9 |
| 13 | 0 | 12 | 79 | 9 |
| 14 | 0 | 12 | 78 | 10 |
| 15 | 0 | 11 | 79 | 10 |
| 16 | 0 | 10 | 79 | 11 |
| 17 | 0 | 9 | 79 | 12 |
| 18 | 0 | 9 | 78 | 13 |
| 19 | 0 | 8 | 77 | 15 |
| 20 | 0 | 7 | 76 | 17 |
| 21 | 0 | 7 | 74 | 19 |
| 22 | 0 | 6 | 73 | 21 |
| 23 | 0 | 5 | 72 | 23 |
| 24 | 0 | 5 | 69 | 26 |
| 25 | 0 | 4 | 67 | 29 |
| 26 | 0 | 4 | 65 | 31 |
| 27 | 0 | 3 | 63 | 34 |
| 28 | 0 | 3 | 61 | 36 |
| 29 | 0 | 2 | 59 | 39 |
| 30 | 0 | 2 | 56 | 42 |
| 31 | 0 | 2 | 54 | 44 |
Wind in March
Winds average 10 km/h in March.
Across March, daily wind ranges from about 10 km/h on the calmest days to 11 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) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over March. Sunrise moves from 6:20 AM to 6:06 AM, and sunset from 6:11 PM to 6:09 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) | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 |
| Sunrise (AM) | 6:20 | 6:20 | 6:20 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 | 6:13 | 6:12 | 6:12 | 6:11 | 6:11 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:08 | 6:07 | 6:07 | 6:06 |
| Sunset (PM) | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:09 | 6:09 | 6:09 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:20 | 6:11 |
| 2 | 11.9 | 6:20 | 6:11 |
| 3 | 11.9 | 6:20 | 6:11 |
| 4 | 11.9 | 6:19 | 6:11 |
| 5 | 11.9 | 6:19 | 6:11 |
| 6 | 11.9 | 6:18 | 6:11 |
| 7 | 11.9 | 6:18 | 6:11 |
| 8 | 11.9 | 6:18 | 6:11 |
| 9 | 11.9 | 6:17 | 6:11 |
| 10 | 11.9 | 6:17 | 6:11 |
| 11 | 11.9 | 6:16 | 6:11 |
| 12 | 11.9 | 6:16 | 6:11 |
| 13 | 11.9 | 6:15 | 6:11 |
| 14 | 11.9 | 6:15 | 6:11 |
| 15 | 11.9 | 6:14 | 6:11 |
| 16 | 11.9 | 6:14 | 6:11 |
| 17 | 12.0 | 6:13 | 6:11 |
| 18 | 12.0 | 6:13 | 6:11 |
| 19 | 12.0 | 6:12 | 6:11 |
| 20 | 12.0 | 6:12 | 6:10 |
| 21 | 12.0 | 6:11 | 6:10 |
| 22 | 12.0 | 6:11 | 6:10 |
| 23 | 12.0 | 6:10 | 6:10 |
| 24 | 12.0 | 6:10 | 6:10 |
| 25 | 12.0 | 6:09 | 6:10 |
| 26 | 12.0 | 6:09 | 6:10 |
| 27 | 12.0 | 6:08 | 6:10 |
| 28 | 12.0 | 6:08 | 6:10 |
| 29 | 12.0 | 6:07 | 6:09 |
| 30 | 12.0 | 6:07 | 6:09 |
| 31 | 12.1 | 6:06 | 6:09 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 6.24 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 4 kWh/m² to a high of 6.24 kWh/m² in March across the year — March's 6.24 kWh/m² sits near the top of that range.
| 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 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.3 | 6.3 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.8 | Bright |
| 2 | 5.9 | Bright |
| 3 | 5.9 | Bright |
| 4 | 5.9 | Bright |
| 5 | 6.0 | Bright |
| 6 | 6.0 | Bright |
| 7 | 6.0 | Intense |
| 8 | 6.0 | Intense |
| 9 | 6.1 | Intense |
| 10 | 6.1 | Intense |
| 11 | 6.1 | Intense |
| 12 | 6.1 | Intense |
| 13 | 6.2 | Intense |
| 14 | 6.2 | Intense |
| 15 | 6.2 | Intense |
| 16 | 6.3 | Intense |
| 17 | 6.3 | Intense |
| 18 | 6.3 | Intense |
| 19 | 6.3 | Intense |
| 20 | 6.3 | Intense |
| 21 | 6.4 | Intense |
| 22 | 6.4 | Intense |
| 23 | 6.4 | Intense |
| 24 | 6.4 | Intense |
| 25 | 6.4 | Intense |
| 26 | 6.4 | Intense |
| 27 | 6.3 | Intense |
| 28 | 6.3 | Intense |
| 29 | 6.3 | Intense |
| 30 | 6.3 | Intense |
| 31 | 6.3 | Intense |
Hazard calendar for Kalmunai
None of Kalmunai's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Kalmunai sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Kalmunai's monsoon runs October–January, when most of the year's rain falls.
Is March a good time to visit Kalmunai?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a reasonable time to visit Kalmunai for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Kalmunai in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Kalmunai sees daytime highs around 29°C and nights near 25°C. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.
Sea temperature near Kalmunai in March
The nearest coast averages about 29°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in May 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 | 28 | 29 | 30 | 30 | 30 | 29 | 29 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Kalmunai in March
Clear-sky midday UV in March 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 Kalmunai peaks around April 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 10 (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 | 12 | 13 | 14 | 14 | 11 | 11 | 13 | 13 | 12 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 14 | Extreme |
| May | 14 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Very high |
Air quality in Kalmunai in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Kalmunai is worst in May — around 25 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) | 19 | 19 | 20 | 19 | 25 | 23 | 23 | 23 | 22 | 22 | 20 | 18 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 19 | Moderate |
| Feb | 19 | Moderate |
| Mar | 20 | Moderate |
| Apr | 19 | Moderate |
| May | 25 | Moderate |
| Jun | 23 | Moderate |
| Jul | 23 | Moderate |
| Aug | 23 | Moderate |
| Sep | 22 | Moderate |
| Oct | 22 | Moderate |
| Nov | 20 | Moderate |
| Dec | 18 | Moderate |
Where is Kalmunai?
Kalmunai sits at 7.4°N, 81.8°E, 10 m above sea level, in Sri Lanka. The nearest listed city is Ampara, 21 km away.
Topography around Kalmunai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Kalmunai.
Within 3 km, the terrain around Kalmunai has only modest variations in elevation — a maximum elevation change of 13 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 62 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,357 m.
The land around Kalmunai is covered by water (43%) within 3 km, water (53%) and cropland (30%) within 16 km, and water (43%) and trees (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 Kalmunai (7.409°, 81.8347°, elevation 10 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).