Our verdict
The best time to visit Negombo is September
The very hottest temperatures in Negombo get to around 33℃ (92℉) in the height of summer. In the colder months such as January, temperatures usually get down to an average minimum of 23℃ (73℉).
If you’re a sun-chaser and want to visit Negombo when the days are longest, you should visit in January. October sees the most amount of rain in a month if you’re ok with chancing getting drenched, so if you’re looking to stay dry, visit in January instead.
Learn more about when to travel to Negombo, the monthly weather breakdown, FAQs and much more below. Once you’ve decided when you want to go, use our handy tools to find the best prices to suit your budget on flights, transport/transfers, places to stay, and loads more!
Quick links: Fast facts / Seasons / Average temperatures / Monthly climate / FAQs / Map
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Negombo seasons
Before you continue, it’s important to know when the seasons are in Negombo as they might be different to yours depending on where in the world you’re travelling from. Negombo is in the Northern Hemisphere, so the seasons fall during these months:
| Season | Months |
|---|---|
| Summer | June to August |
| Autumn/fall | September to November |
| Winter | December to February |
| Spring | March to May |
Average temperatures in Negombo
If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Negombo for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.
Negombo climate by month
If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Negombo for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.
Jump to:
Negombo in January
- Average temperature: 26℃ (80℉)
- Average high temperature: 31℃ (88℉)
- Average low temperature: 23℃ (73℉)
- Average humidity: 73%
- Average sunny days: 20 days
- Average rainfall: 29mm (1") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in January, make sure you pack t-shirts and shorts.. It stays pretty warm most of the time.
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Negombo in February
- Average temperature: 27℃ (81℉)
- Average high temperature: 32℃ (89℉)
- Average low temperature: 23℃ (74℉)
- Average humidity: 73%
- Average sunny days: 17 days
- Average rainfall: 36mm (1") over 10 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in February, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Negombo in March
- Average temperature: 28℃ (82℉)
- Average high temperature: 32℃ (90℉)
- Average low temperature: 25℃ (76℉)
- Average humidity: 75%
- Average sunny days: 10 days
- Average rainfall: 55mm (2") over 18 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in March, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Negombo in April
- Average temperature: 29℃ (83℉)
- Average high temperature: 32℃ (90℉)
- Average low temperature: 26℃ (79℉)
- Average humidity: 77%
- Average sunny days: 5 days
- Average rainfall: 112mm (4") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in April, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Negombo in May
- Average temperature: 28℃ (83℉)
- Average high temperature: 31℃ (88℉)
- Average low temperature: 27℃ (80℉)
- Average humidity: 80%
- Average sunny days: 4 days
- Average rainfall: 204mm (8") over 26 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in May, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Negombo in June
- Average temperature: 27℃ (81℉)
- Average high temperature: 30℃ (85℉)
- Average low temperature: 26℃ (79℉)
- Average humidity: 82%
- Average sunny days: 2 days
- Average rainfall: 216mm (9") over 27 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in June, make sure you pack t-shirts and light clothing.
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Negombo in July
- Average temperature: 27℃ (81℉)
- Average high temperature: 29℃ (85℉)
- Average low temperature: 25℃ (78℉)
- Average humidity: 82%
- Average sunny days: 2 days
- Average rainfall: 163mm (6") over 27 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in July, make sure you pack t-shirts and light clothing.
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Negombo in August
- Average temperature: 27℃ (81℉)
- Average high temperature: 29℃ (85℉)
- Average low temperature: 25℃ (78℉)
- Average humidity: 82%
- Average sunny days: 1 days
- Average rainfall: 201mm (8") over 28 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in August, make sure you pack t-shirts and light clothing.
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Negombo in September
- Average temperature: 27℃ (81℉)
- Average high temperature: 30℃ (85℉)
- Average low temperature: 25℃ (77℉)
- Average humidity: 81%
- Average sunny days: 3 days
- Average rainfall: 153mm (6") over 24 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in September, make sure you pack t-shirts and light clothing.
Negombo in October
- Average temperature: 27℃ (81℉)
- Average high temperature: 30℃ (86℉)
- Average low temperature: 25℃ (77℉)
- Average humidity: 79%
- Average sunny days: 3 days
- Average rainfall: 224mm (9") over 26 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in October, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Negombo in November
- Average temperature: 27℃ (81℉)
- Average high temperature: 30℃ (87℉)
- Average low temperature: 25℃ (76℉)
- Average humidity: 79%
- Average sunny days: 6 days
- Average rainfall: 174mm (7") over 23 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in November, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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Negombo in December
- Average temperature: 27℃ (80℉)
- Average high temperature: 30℃ (86℉)
- Average low temperature: 24℃ (75℉)
- Average humidity: 79%
- Average sunny days: 9 days
- Average rainfall: 139mm (5") over 20 days
of pure sunshine
of showers or rain
What to pack: If you’re heading to Negombo in December, make sure you pack t-shirts and shorts.. It stays warm all day and night.
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