Gampaha District Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Gampaha District, Sri Lanka in May.

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Negombo Katunayaka Ja-Ela Seeduwa

Considering a trip to Gampaha District, Sri Lanka this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in Gampaha District in May

Gampaha District, Sri Lanka is a region in Sri Lanka. May in Gampaha District generally has very warm temperatures, with heavy precipitation.

Temperatures

You can expect very warm maximum daytime temperatures of around 31°C (88°F) and nighttime temperatures around 27°C (81°F) in Negombo. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

To explore the conditions in Gampaha District, Sri Lanka in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From heavy rainfall in Negombo with an average of 266 mm (10 in) to heavy rainfall in Kapugoda with 301 mm (12 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in May. Negombo typically receives 202 hours of sunlight, making it ideal for those seeking sunny weather.

Explore Gampaha District by month

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

Best Places to Visit in Gampaha District in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Gampaha District.

Conditions Temperatures Precipitation
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).

Popular Destinations in Gampaha District

What is the weather like in May for some of the most popular destinations in Gampaha District, Sri Lanka?

Temperature range in Gampaha District (May)

Precipitation variation in Gampaha District (May)

Negombo

In May Negombo generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 27°C (81°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
32°C (90°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
27°C (81°F)
26°C (79°F)
Monthly sun hours
234 hours
202 hours
195 hours
Monthly rainfall
192 mm (7.6 in)
266 mm (10 in)
258 mm (10 in)
Monthly rainy days
13 days
12 days
13 days
Weather conditions
unpleasant
poor
poor
Climate in Negombo →

Katunayaka

In May Katunayaka generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
32°C (90°F)
31°C (88°F)
30°C (86°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
234 hours
202 hours
195 hours
Monthly rainfall
196 mm (7.7 in)
268 mm (11 in)
267 mm (11 in)
Monthly rainy days
13 days
12 days
13 days
Weather conditions
unpleasant
poor
poor
Climate in Katunayaka →

Ja-Ela

In May Ja-Ela generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
33°C (91°F)
31°C (88°F)
31°C (88°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
234 hours
202 hours
195 hours
Monthly rainfall
199 mm (7.8 in)
275 mm (11 in)
277 mm (11 in)
Monthly rainy days
13 days
13 days
14 days
Weather conditions
unpleasant
poor
poor
Climate in Ja-Ela →

Seeduwa

In May Seeduwa generally has very high temperatures with maximum daytime temperatures around 31°C (88°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
32°C (90°F)
31°C (88°F)
31°C (88°F)
Min temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
234 hours
202 hours
195 hours
Monthly rainfall
197 mm (7.8 in)
271 mm (11 in)
271 mm (11 in)
Monthly rainy days
13 days
13 days
14 days
Weather conditions
unpleasant
poor
poor
Climate in Seeduwa →

Gampaha

In May Gampaha generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 26°C (79°F) and heavy monthly rainfall. So on average the conditions are poor that month.

« April
May
June »
April
May
June
Max temperature
33°C (91°F)
32°C (90°F)
31°C (88°F)
Min temperature
25°C (77°F)
26°C (79°F)
26°C (79°F)
Monthly sun hours
234 hours
202 hours
195 hours
Monthly rainfall
208 mm (8.2 in)
267 mm (11 in)
290 mm (11 in)
Monthly rainy days
14 days
13 days
14 days
Weather conditions
poor
poor
poor
Climate in Gampaha →

Is your destination not in the list? Have a look at all destinations in Gampaha District, in Sri Lanka.

Popular cities in May

Day & night temperatures, rainfall and average weather in Gampaha District in May.

City Weather Day temp Night temp Rainfall
Negombo 31°C (88°F) 27°C (81°F) 266 mm (10 in)
Katunayaka 31°C (88°F) 26°C (79°F) 268 mm (11 in)
Ja-Ela 31°C (88°F) 26°C (79°F) 275 mm (11 in)
Seeduwa 31°C (88°F) 26°C (79°F) 271 mm (11 in)
Gampaha 32°C (90°F) 26°C (79°F) 267 mm (11 in)
Uswetakeiyawa 31°C (88°F) 26°C (79°F) 284 mm (11 in)

Gampaha District weather in May: frequently asked questions

What is the weather like in Gampaha District, Sri Lanka in May?

May in Gampaha District, Sri Lanka brings poor weather. In Negombo, daytime temperatures are typically around 31°C (88°F) and nighttime lows hover near 27°C (81°F).

What is the average temperature in Gampaha District, Sri Lanka in May?

Negombo averages a daytime maximum of 31°C (88°F) in May, with overnight lows close to 27°C (81°F).

Does Gampaha District, Sri Lanka get a lot of rain in May?

Rainfall in Gampaha District, Sri Lanka peaks during May. Negombo averages roughly 266 mm (10 in), so frequent and sometimes heavy showers are the norm.

Is May a Good Time to Visit Gampaha District, Sri Lanka?

In our view, May might not be the best time to travel to Gampaha District, Sri Lanka with often poor weather in Negombo.

Generally speaking, January and February provide tolerable weather in Negombo. On the other hand, the weather in April, May, June, July, August, September, October and November tend to be poor.

Interested in more climate information?

We have much more information about the climate in Gampaha District.

Weather and climate has detailed information for every country in the world. Are you going to Sri Lanka? Get detailed historical weather averages for many cities in Sri Lanka.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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