Colombo Weather in April

Thinking of visiting Colombo in April? Expect very high temperatures reaching 32°C (90°F) during the day, dropping to 26°C (79°F) at night. Heavy showers are common during the rainy season.

Rainfall in Colombo in April

As part of the rainy season, Colombo sees around 13 days of rain in April, with an average of 204 mm (8 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Colombo in April

In April, Colombo sees very high temperatures, with highs of 32°C (90°F). Nights drop to around 26°C (79°F). Sunshine and humidity can make it feel even warmer than the raw temperature suggests. With overnight lows of 26°C (79°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Colombo in April

There are approximately 234 hours of sunshine this month, despite being the rainy season. Rain often arrives in the late afternoon or evening, keeping mornings and early afternoons sunny. Even during the wet season, it could still be a nice time to visit.

Wind Speed in Colombo in April

Average wind conditions reach 1 m/s (2 knots) in April. This creates generally peaceful weather with subtle air movement. Remember this is an average: some days are windless while others have noticeable or very gentle breezes.

Average water temperature in April

The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.

April in Colombo has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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• January
• February
• March
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• May
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For a detailed overview over the year and the best time to visit Sri Lanka, check out our Colombo's climate page.

Colombo Temperature in April

Min Temperature 26°C (79°F)  

Max Temperature 32°C (90°F)  

Water Temperature 28°C (82°F)  

Chance of Rain 44%  

Precipitation 204 mm (8 in)  

Rainy days 13 days  

Humidity 72%  

Windspeed 1 m/s (2 knots)  

Sunshine 234 hours  

Percentage Sunshine  

Daily Historical Temperatures

47-year average (1976-2025)

Based on our historical records, temperatures in Colombo typically stay consistent throughout April, with daily highs averaging around 32°C (90°F). Nights are warm, with lows around 25°C (77°F).

Average temperatures in April

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

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 April

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Colombo in April

Browse day-by-day weather records for Colombo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Colombo historical weather extremes in April

Our historical data for Colombo spans 2001 to 2026, revealing these weather extremes.

• The warmest day in April was on April 10, 2024, with a maximum of 35°C (95°F).
• On April 30, 2002, Colombo saw its coldest April day with temperatures maxing out at 25°C (77°F).

What to Wear in Colombo in April

Warm but pleasant conditions in Colombo in April. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Expect water temperatures of around 28°C (82°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Colombo in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

8/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Sri Lanka, check out our Colombo's climate page.

More climate data for Colombo

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Colombo climate overview or explore weather in Sri Lanka.