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Negombo Weather in March
March in Negombo brings very high temperatures, with highs of 33°C (91°F) and nights dropping to 26°C (79°F). Rainfall is on the higher side this month, averaging around 90 mm (3.5 in), so keep a rain jacket handy.
Rainfall in Negombo in March
Historically, March sees about 8 days of rain, with a monthly average of 90 mm (3.5 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Negombo in March
March in Negombo sees highs of 33°C (91°F) and lows of 26°C (79°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. With lows around 26°C (79°F), the nights are warm enough that a sheet is usually all you need for bedding.
Sunshine in Negombo in March
Expect a lot of sunshine this month, with about 276 hours of sun. These sunny conditions add to the overall experience.If you prefer dry days with pleasant temperatures, January and February typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Negombo Temperature in March
Min Temperature
26°C (79°F)
Max Temperature
33°C (91°F)
Chance of Rain
25%
Precipitation
90 mm (3.5 in)
Rainy days
8 days
Humidity
69% *
Sunshine
276 hours *
Percentage Sunshine
*
* Data from: Colombo, Sri Lanka (34 KM, 21 Miles).
Negombo Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Negombo - and find the best time to visit.
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Negombo typically stay consistent throughout March, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in March
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather records for Negombo in March
Browse day-by-day weather records for Negombo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Negombo historical weather extremes in March
Based on 25 years of weather observations in Negombo between 2001 and 2026, these are the recorded extremes.
- On March 1, 2024, temperatures climbed to 36°C (97°F), marking the warmest March day on record.
- The coldest March day was on March 7, 2002, with a maximum of 26°C (79°F).
- The lowest overnight temperature recorded in March was 20°C (68°F) (March 3, 2021).
Best Places in Sri Lanka in March
Find out more about the weather in Sri Lanka and which places have the best travel conditions in this month. See all of Sri Lanka in March →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Negombo in March
Warm weather calls for comfortable, breathable clothing in March. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Negombo in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming9/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Negombo 3-Day Forecast
More climate data for Negombo
Temperature Rainfall Sunshine Humidity
See the full Negombo climate overview or explore weather in Sri Lanka.
Popular in March
Where to go in March - average daytime high across popular destinations.
Colombo
33°C (91°F) Negombo33°C (91°F) Mirissa31°C (88°F) Unawatuna30°C (86°F) Hikkaduwa30°C (86°F) Galle30°C (86°F) Kandy
31°C (88°F) Nuwara Eliya29°C (84°F) Bucket list
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