Beach
Mt Lavinia Beach
Western Province · Sri Lanka · Bay of Bengal
6.8401, 79.8626 · Dehiwala-Mount Lavinia, 1 km
- 30°Sea · April
- 31°High · March
- 8.3 hSunshine · March
Your month at the beach
Mt Lavinia Beach in January
- 29°CAir, daytime high22°C at night
- 28°CSea temperature
- 6.4 hSunshine a day
- 11 daysRainy days in the month76 mm in total
- 16 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in February
- 30°CAir, daytime high23°C at night
- 28°CSea temperature
- 7.7 hSunshine a day
- 9 daysRainy days in the month71 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in March
- 31°CAir, daytime high24°C at night
- 29°CSea temperature
- 8.3 hSunshine a day
- 14 daysRainy days in the month115 mm in total
- 9 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in April
- 30°CAir, daytime high25°C at night
- 30°CSea temperature
- 7.5 hSunshine a day
- 25 daysRainy days in the month226 mm in total
- 10 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in May
- 29°CAir, daytime high26°C at night
- 29°CSea temperature
- 6.7 hSunshine a day
- 25 daysRainy days in the month224 mm in total
- 18 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in June
- 28°CAir, daytime high25°C at night
- 28°CSea temperature
- 6.5 hSunshine a day
- 24 daysRainy days in the month143 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in July
- 28°CAir, daytime high25°C at night
- 28°CSea temperature
- 6.3 hSunshine a day
- 20 daysRainy days in the month99 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in August
- 28°CAir, daytime high24°C at night
- 27°CSea temperature
- 6.3 hSunshine a day
- 19 daysRainy days in the month113 mm in total
- 20 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in September
- 28°CAir, daytime high24°C at night
- 28°CSea temperature
- 6.5 hSunshine a day
- 22 daysRainy days in the month162 mm in total
- 19 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in October
- 28°CAir, daytime high24°C at night
- 28°CSea temperature
- 6.3 hSunshine a day
- 26 daysRainy days in the month292 mm in total
- 14 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in November
- 28°CAir, daytime high24°C at night
- 29°CSea temperature
- 5.4 hSunshine a day
- 25 daysRainy days in the month304 mm in total
- 12 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
Mt Lavinia Beach in December
- 28°CAir, daytime high23°C at night
- 28°CSea temperature
- 5.1 hSunshine a day
- 19 daysRainy days in the month175 mm in total
- 15 km/hAverage wind
Averages for 1991–2020. A rainy day is a day with at least 1 mm of rain.
The beach itself
- 123Places to stay within 5 kmHotels, guest houses, apartments and campsites · OpenStreetMap
- 3 kmAirport: Colombo Ratmalana International Airport (RML)In a straight line; by road it is further
No reliable information yet on: bathing water quality, wheelchair access, lifeguards.
January from 2020 to 2025
In January 2025 the sea averaged 27.8 °C — about the same as the 1991–2020 average.
1991–2020 average: 27.8 °C
1991–2020 average: 28.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
February from 2020 to 2025
In February 2025 the sea averaged 28.9 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 28.2 °C
1991–2020 average: 29.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
March from 2020 to 2025
In March 2025 the sea averaged 29.6 °C — 0.5 °C above the 1991–2020 average.
1991–2020 average: 29.1 °C
1991–2020 average: 30.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
April from 2020 to 2025
In April 2025 the sea averaged 30.0 °C — about the same as the 1991–2020 average.
1991–2020 average: 29.8 °C
1991–2020 average: 29.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
May from 2020 to 2025
In May 2025 the sea averaged 29.7 °C — 0.4 °C above the 1991–2020 average.
1991–2020 average: 29.3 °C
1991–2020 average: 28.8 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
June from 2020 to 2025
In June 2025 the sea averaged 29.0 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 28.4 °C
1991–2020 average: 28.1 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
July from 2020 to 2025
In July 2025 the sea averaged 28.2 °C — 0.6 °C above the 1991–2020 average.
1991–2020 average: 27.6 °C
1991–2020 average: 27.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
August from 2020 to 2025
In August 2025 the sea averaged 27.7 °C — about the same as the 1991–2020 average.
1991–2020 average: 27.4 °C
1991–2020 average: 27.7 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
September from 2020 to 2025
In September 2025 the sea averaged 28.6 °C — 0.9 °C above the 1991–2020 average.
1991–2020 average: 27.8 °C
1991–2020 average: 27.9 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
October from 2020 to 2025
In October 2025 the sea averaged 28.9 °C — 0.7 °C above the 1991–2020 average.
1991–2020 average: 28.2 °C
1991–2020 average: 28.0 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
November from 2020 to 2025
In November 2025 the sea averaged 28.9 °C — 0.3 °C above the 1991–2020 average.
1991–2020 average: 28.6 °C
1991–2020 average: 28.2 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
December from 2020 to 2025
In December 2025 the sea averaged 27.9 °C — 0.3 °C below the 1991–2020 average.
1991–2020 average: 28.2 °C
1991–2020 average: 28.2 °C
Each bar is one year. Above the dashed line (the 1991–2020 average), that month was warmer than usual; below it, cooler.
When to go
1991–2020 averagesThe year at a glance
- Jan28°6 h76 mm
- Feb28°8 h71 mm
- Mar29°8 h115 mm
- Apr30°8 h226 mm
- May29°7 h224 mm
- Jun28°6 h143 mm
- Jul28°6 h99 mm
- Aug27°6 h113 mm
- Sep28°6 h162 mm
- Oct28°6 h292 mm
- Nov29°5 h304 mm
- Dec28°5 h175 mm
Each card is a month. The colour is the sea temperature, on the same scale as the map; in bold, the two best months for each.
Sea temperature
1991–2020 averagesClimate through the year
1991–2020 averagesRain
Sunshine
Sunshine hours are estimated from measured solar radiation, not observed directly.
Month by month
1991–2020 averagesEvery month at Mt Lavinia Beach: air, sea, rain and sunshine. Averages for 1991–2020.
| Month | High°C | Low°C | Sea°C | Rainmm | Rainy daysdays | Sunshineh/day | Windkm/h |
|---|---|---|---|---|---|---|---|
| January | 29 | 22 | 28 | 76 | 11 | 6.4 | 16 |
| February | 30 | 23 | 28 | 71 | 9 | 7.7 | 12 |
| March | 31 | 24 | 29 | 115 | 14 | 8.3 | 9 |
| Aprilwarmest sea | 30 | 25 | 30 | 226 | 25 | 7.5 | 10 |
| May | 29 | 26 | 29 | 224 | 25 | 6.7 | 18 |
| June | 28 | 25 | 28 | 143 | 24 | 6.5 | 20 |
| July | 28 | 25 | 28 | 99 | 20 | 6.3 | 20 |
| August | 28 | 24 | 27 | 113 | 19 | 6.3 | 20 |
| September | 28 | 24 | 28 | 162 | 22 | 6.5 | 19 |
| October | 28 | 24 | 28 | 292 | 26 | 6.3 | 14 |
| November | 28 | 24 | 29 | 304 | 25 | 5.4 | 12 |
| December | 28 | 23 | 28 | 175 | 19 | 5.1 | 15 |
Swipe sideways to see the other columns.
Photos
Photos shared by their authors on Wikimedia Commons, with its colours adjusted.
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About these numbers
Averages are for 1991–2020; the recent years (2020–2025) are what actually happened. Neither is today's weather.
| What | Where it comes from | Nearest measurement |
|---|---|---|
| Air, rain and sunshine | NASA POWER | 23 km away |
| Sea temperature | NOAA OISST v2.1, 1991–2020 | 4 km away |
| 2020–2025, month by month | NASA POWER · NOAA OISST v2.1 | 23 km away |
| Lifeguards and places to stay | OpenStreetMap | within 1–5 km |
| Nearest airport | OurAirports | straight-line distance |
| Image at the top | Sentinel-2 cloudless (EOX) | at this spot |