What’s the climate like in Round Island?
The current climate of Round Island features average monthly temperatures ranging from highs of 33°C during the day to lows of 31°C. The average yearly temperature is around 32°C. At night, temperatures in the colder months average around 22°C and in the warmer months around 26°C.
The highest temperature recorded in Round Island in recent years was 38°C in April 2023. The lowest daytime temperature recorded was 22°C in November 2018.
On average, Round Island receives 3899 mm of precipitation each year. For comparison, UK gets 701 mm of precipitation annually.
Best time to visit Round Island?
The best time to visit Round Island for pleasant to warm weather is January through March, July and August. There might be some rain during this period, but the temperatures are just right for exploring Round Island.
Climate Table of Round Island
The climate table of Round Island shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temp. max (°C) | 32 | 33 | 33 | 33 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 |
| Temp. min (°C) | 23 | 24 | 23 | 25 | 26 | 27 | 27 | 26 | 25 | 25 | 24 | 24 |
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| Precipitation (mm) | 106 | 137 | 119 | 354 | 567 | 294 | 137 | 210 | 450 | 608 | 576 | 341 |
| UV Index | 8 | 9 | 9 | 9 | 7 | 8 | 7 | 8 | 8 | 8 | 7 | 7 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 32°C
- Highest temperature: 33°C in February, March and April
- Lowest temperature: 31°C in July, August, September, October, November and December
- Precipitation: 3899 mm per year, averaging 325 mm per month
- Driest months: 106 mm in January, 119 mm in March and 137 mm in February
- Wettest months: 608 mm in October, 576 mm in November and 567 mm in May
Table of Contents
Average Temperature per Month in Round Island
This graph shows the average maximum temperatures per month in Round Island, Sri Lanka. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Round Island
This graph shows how much precipitation Round Island, Sri Lanka, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in Round Island
This graph shows the average UV index per month in Round Island, Sri Lanka. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Round Island
This graph shows the average yearly temperature in Round Island, Sri Lanka. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Round Island
This chart shows the total yearly precipitation in Round Island, Sri Lanka, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in Round Island
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Average Weather in Round Island by Month
Click on a month below to see detailed weather info for Round Island. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
