Negombo Weather in July
Thinking of visiting Negombo in July? Expect high temperatures reaching 30°C (86°F) during the day, dropping to 26°C (79°F) at night. Heavy showers are common during the rainy season.
Rainfall in Negombo in July
As part of the rainy season, Negombo sees around 9 days of rain in July, with an average of 209 mm (8.2 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Negombo in July
Daytime highs in Negombo in July reach 30°C (86°F), with nights around 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Negombo 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.July in Negombo can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 Negombo's climate page.
Negombo Temperature in July
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
29%
Precipitation
209 mm (8.2 in)
Rainy days
9 days
Humidity
78% *
Sunshine
202 hours *
Percentage Sunshine
*
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Negombo 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 Negombo in July
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 July
Based on weather observations in Negombo between 1998 and 2025, these are the recorded extremes during July.
- The hottest July day on record in Negombo reached 32°C (90°F) (July 6, 2025).
- Negombo experienced its chilliest July day on July 11, 2018, reaching only 27°C (81°F).
- Nighttime temperatures dropped to 21°C (70°F) on July 20, 2020, marking the coldest July night on record.
- The wettest day in July Negombo was on July 21, 2020 with 123 mm (4.8 in) of precipitation.
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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What to Wear in Negombo 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. 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 July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Negombo's climate page.
Temperature Rainfall Sunshine Humidity
See the full Negombo climate overview or explore weather in Sri Lanka.
