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Katunayaka Weather in July

July in Katunayaka brings very high temperatures, with highs of 30°C (86°F) and nights dropping to 26°C (79°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Katunayaka in July

Katunayaka is in the rainy season in July, with rain on around 9 days and an average of 220 mm (8.7 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Katunayaka in July

In July, expect very high temperatures in Katunayaka, with highs of 30°C (86°F) and lows of 26°C (79°F) at night. For most visitors, the main thing to prepare for is the heat during the day. 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 Katunayaka in July

The month enjoys around 202 hours of sunshine. The wet weather tends to wait until afternoon or evening to arrive, leaving the first half of most days dry and sunny.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January typically offers the best weather for Katunayaka.

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Check the conditions for any month of the year.

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

Katunayaka Temperature in July

Min TemperatureMin Temperature 26°C (79°F)  
Max TemperatureMax Temperature 30°C (86°F)  
Chance of RainChance of Rain 31%  
PrecipitationPrecipitation 220 mm (8.7 in)  
Rainy daysRainy days 9 days  
HumidityHumidity 78% *  
SunshineSunshine 202 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Colombo, Sri Lanka (29 KM, 18 Miles).

Daily Historical Temperatures

45-year average (1976-2025)

Based on our historical records, temperatures in Katunayaka typically stay consistent throughout July, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).

Average temperatures in July

Daily Historical Precipitation

45-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in July

Historical weather for Katunayaka in July

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

Katunayaka historical weather extremes in July

Based on weather observations in Katunayaka between 1998 and 2025, these are the recorded extremes during July.

  • On July 20, 2024, temperatures climbed to 32°C (90°F), marking the warmest July day on record.
  • The coldest July day was on July 11, 2018, with a maximum of 27°C (81°F).
  • Katunayaka registered its coldest July night on July 20, 2020, with temperatures dropping to 21°C (70°F).
  • Peak precipitation in July occurred on July 21, 2020, when 124 mm (4.9 in) of precipitation was measured.

Best Places in Sri Lanka in July

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 July →

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Legend 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 Katunayaka in July

Warm weather calls for comfortable, breathable clothing in July. 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). Also bring a poncho, it will rain a lot! Waterproof everything you can. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Katunayaka in July

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.

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

More climate data for Katunayaka