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The weather in May in Gammaduwa

It's hot in May in Gammaduwa with an average temperature of 30°C. Temperatures this month range from a low of 29°C to a high of 31°C. At night, you can expect temperatures between 21°C and 22°C.

Looking for sun? May isn’t a good month to be in Gammaduwa. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Gammaduwa, Sri Lanka. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 34°C in 2020, Gammaduwa reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 22°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 25°C.

Rainfall amount

In May, there is an average of 272 mm of precipitation, spread over 26 days. The wind speed is around 3 Bft, mostly coming from the Southwest.

Daily weather in May for Gammaduwa

Click on any day in May to get detailed info about the usual weather on that day in Gammaduwa. Check out the historical temperatures and precipitation over the past 10 years on this day.

May weather comparison

  Gammaduwa New York
Average temperature 30°C 22°C
Max. temperature 31°C 28°C
Min. temperature 21°C -5°C
Total precipitation 272 mm 105 mm
Rainy days 26 days 14 days

Start of May

The month of May starts in Gammaduwa with hot temps, averaging around 31°C during the day and nights around 22°C.

Mid May

By mid-May, daytime temps drop to around 30°C, with nights around 22°C. There’s a high chance of precipitation during this time.

End of May

By the end of May, the average daytime temperature in Gammaduwa is around 30°C, while nighttime temps are about 22°C. There’s a significant chance of many days with precipitation.

Find affordable trips to Gammaduwa

UV index

The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.

Check out the climate of Gammaduwa for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in May in Gammaduwa, Sri Lanka. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in May in Gammaduwa

Temperature in May in Gammaduwa over the years

Precipitation charts

These charts show the average amount of precipitation in May in Gammaduwa, Sri Lanka. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in May in Gammaduwa

Total precipitation in May in Gammaduwa over the years

Daily UV index in May in Gammaduwa

This chart shows the average daily UV index in May in Gammaduwa, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in May in Gammaduwa

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Average weather in Gammaduwa by month

Click on a month below to see detailed weather info for Gammaduwa. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.