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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Nilaveli, Sri Lanka, with an average temperature fluctuating between 20°C (68°F) and 29.3°C (84.7°F). January and December are characterised by lowest temperatures, with an average high of 29.3°C (84.7°F). January's average heat index is appraised at a sweltering 36°C (96.8°F). Weather in January »
Weather in February
February, the last month of the winter in Nilaveli, is a hot month, with an average temperature ranging between min 20°C (68°F) and max 31.3°C (88.3°F). Nilaveli's February average high-temperature settles at a tropical 31.3°C (88.3°F), showing a near match with the preceding month. Weather in February »
Weather in March
The first month of the spring, March, is still a tropical month in Nilaveli, Sri Lanka, with an average temperature ranging between min 21.1°C (70°F) and max 33.8°C (92.8°F). Nilaveli, Sri Lanka, marks the onset of March with an average high-temperature of a still tropical 33.8°C (92.8°F), a subtle shift from February's 31.3°C (88.3°F). Weather in March »
Weather in April
April, like March, is a hot spring month in Nilaveli, Sri Lanka, with an average temperature varying between 23.5°C (74.3°F) and 34.9°C (94.8°F). April, noted for its average high-temperature of 34.9°C (94.8°F) and an average low-temperature of 23.5°C (74.3°F), is considered the warmest month. During April, the heat index is appraised at a burning hot 52°C (125.6°F). Weather in April »
Weather in May
May, the last month of the spring in Nilaveli, is also a hot month, with an average temperature fluctuating between 24.5°C (76.1°F) and 34.2°C (93.6°F). The average high-temperature during May registers at a still tropical 34.2°C (93.6°F), maintaining a close resemblance to the previous month. Weather in May »
Weather in June
The first month of the summer, June, is still a hot month in Nilaveli, Sri Lanka, with an average temperature ranging between min 24.8°C (76.6°F) and max 33.6°C (92.5°F). Transitioning from May to June, Nilaveli observes an average high-temperature of a still tropical 33.6°C (92.5°F), differing subtly from the previous month. Weather in June »
Weather in July
July, like June, is another tropical summer month in Nilaveli, Sri Lanka, with an average temperature fluctuating between 24.5°C (76.1°F) and 33.5°C (92.3°F). As Nilaveli welcomes July, the average high-temperature is noted at a still hot 33.5°C (92.3°F), closely aligning with the preceding month. Weather in July »
Weather in August
The last month of the summer, August, is also a hot month in Nilaveli, Sri Lanka, with an average temperature ranging between max 33.7°C (92.7°F) and min 24.3°C (75.7°F). As Nilaveli steps into August, the average high-temperature holds at a still tropical 33.7°C (92.7°F), hinting at a minor fluctuation from the prior month. Weather in August »
Weather in September
September, the first month of the autumn in Nilaveli, is also a hot month, with temperature in the range of an average high of 33.9°C (93°F) and an average low of 24.1°C (75.4°F). September reports an average high-temperature of a still hot 33.9°C (93°F), slightly varied from August's 33.7°C (92.7°F). Weather in September »
Weather in October
October, the same as September, in Nilaveli, Sri Lanka, is another tropical autumn month, with an average temperature fluctuating between 32.7°C (90.9°F) and 23.2°C (73.8°F). Entering October, Nilaveli's average high-temperature reads a still hot 32.7°C (90.9°F), indicating a close resemblance to the previous month's climate. Weather in October »
Weather in November
November, the last month of the autumn in Nilaveli, is another tropical month, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 30.5°C (86.9°F). The initiation of November sees an average high-temperature of a still tropical 30.5°C (86.9°F), showing minor variations from the previous month. Weather in November »
Weather in December
The first month of the winter, December, is also a moderately hot month in Nilaveli, Sri Lanka, with an average temperature varying between 21.4°C (70.5°F) and 29.3°C (84.7°F). Lowest temperatures are observed in January and December, averaging a high-temperature of 29.3°C (84.7°F). The heat index in December is appraised at a sweltering 37°C (98.6°F). Weather in December »
Updated: Feb 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What month is the coldest in Nilaveli?
January and December, with an average high-temperature of 29.3°C (84.7°F), are marked as the coldest months in Nilaveli.
How many days does it rain in Nilaveli?
In Nilaveli, during the entire year, the rain falls for 196.8 days and collects up to 943mm (37.13") of precipitation.
What is the month with the lowest UV index in Nilaveli?
January, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Nilaveli.
What is the month with the highest UV index in Nilaveli?
The months with the highest UV index are February through October, with an average maximum UV index of 7.
What month is the hottest in Nilaveli?
April registers as the month with the average highest temperatures in Nilaveli, reaching 34.9°C (94.8°F) at its peak and 23.5°C (74.3°F) at the lowest.
What are the least humid months in Nilaveli?
June through September, with an average relative humidity of 67%, are the least humid months.
What is the driest month in Nilaveli?
The month with the least rainfall is June, when the rain falls for 7.8 days and typically collects 15mm (0.59") of precipitation.
When are the longest days in Nilaveli?
With an average of 12h and 36min of daylight, June has the longest days of the year in Nilaveli.
What month has the most sunshine in Nilaveli?
With an average of 11.3h of sunshine, June has the most sunshine of the year in Nilaveli, Sri Lanka.
What is the rainiest month in Nilaveli?
The month with the most rainfall in Nilaveli, Sri Lanka, is October, when the rain falls for 22.6 days and typically aggregates up to 214mm (8.43") of precipitation.
What is the most humid month in Nilaveli?
With an average relative humidity of 84%, December is the most humid month in Nilaveli.
What is the month with the shortest days in Nilaveli?
The month with the shortest days in Nilaveli is December, with an average of 11h and 36min of daylight.
Is there Daylight Saving Time (DST) in Nilaveli?
Nilaveli, Sri Lanka, does not utilize Daylight Saving Time (DST). +0530 timezone is used over the entire year.
What is the month with the least sunshine in Nilaveli?
With an average of 4.9h of sunshine, December has the least sunshine of the year in Nilaveli, Sri Lanka.
Average temperature
Nilaveli, Sri Lanka
The warmest month (with the highest average high temperature) is April (34.9°C).
The months with the lowest average high temperature are January and December (29.3°C).
The month with the highest average low temperature is June (24.8°C).
The coldest months (with the lowest average low temperature) are January and February (20°C).
Average pressure
Nilaveli, Sri Lanka
- Average pressure in January:
1012mbar - Average pressure in February:
1011.6mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.4mbar - Average pressure in May:
1007.8mbar - Average pressure in June:
1007.5mbar
- Average pressure in July:
1007.6mbar - Average pressure in August:
1008mbar - Average pressure in September:
1008.8mbar - Average pressure in October:
1009.5mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.6mbar
The month with the highest atmospheric pressure is January (1012mbar).
The month with the lowest atmospheric pressure is June (1007.5mbar).
Average wind speed
Nilaveli, Sri Lanka
- Average wind speed in January:
9.9km/h - Average wind speed in February:
10.3km/h - Average wind speed in March:
8.7km/h - Average wind speed in April:
7.1km/h - Average wind speed in May:
15.9km/h - Average wind speed in June:
23.8km/h
- Average wind speed in July:
22.6km/h - Average wind speed in August:
21.3km/h - Average wind speed in September:
18.7km/h - Average wind speed in October:
11.1km/h - Average wind speed in November:
7.9km/h - Average wind speed in December:
9.1km/h
The windiest month (with the highest average wind speed) is June (23.8km/h).
The calmest month (with the lowest average wind speed) is April (7.1km/h).
Average humidity
Nilaveli, Sri Lanka
The month with the highest relative humidity is December (84%).
The months with the lowest relative humidity are June, July, August and September (67%).
Average rainfall
Nilaveli, Sri Lanka
The wettest month (with the highest rainfall) is October (214mm).
The driest month (with the least rainfall) is June (15mm).
Average rainfall days
Nilaveli, Sri Lanka
- Average rainfall days in January:
16 days - Average rainfall days in February:
13.1 days - Average rainfall days in March:
14 days - Average rainfall days in April:
23.6 days - Average rainfall days in May:
17.4 days - Average rainfall days in June:
7.8 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
11.5 days - Average rainfall days in September:
13.5 days - Average rainfall days in October:
22.6 days - Average rainfall days in November:
24.1 days - Average rainfall days in December:
22.9 days
The month with the highest number of rainy days is November (24.1 days).
The month with the least rainy days is June (7.8 days).
Average daylight / Average sunshine
Nilaveli, Sri Lanka
- Average daylight in January:
11h and 4min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 3min - Average daylight in June:
12h and 4min
- Average daylight in July:
12h and 4min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
11h and 5min - Average daylight in November:
11h and 4min - Average daylight in December:
11h and 4min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in January:
7h and 2min - Average sunshine in February:
8h and 1min - Average sunshine in March:
9h and 1min - Average sunshine in April:
10h and 1min - Average sunshine in May:
11h and 1min - Average sunshine in June:
11h and 2min
- Average sunshine in July:
11h and 1min - Average sunshine in August:
9h and 4min - Average sunshine in September:
10h and 5min - Average sunshine in October:
8h and 2min - Average sunshine in November:
6h and 2min - Average sunshine in December:
4h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days
Nilaveli, Sri Lanka
- Average sunshine days in January:
11.7 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
14.5 days - Average sunshine days in April:
4.3 days - Average sunshine days in May:
10.4 days - Average sunshine days in June:
15.7 days
- Average sunshine days in July:
16 days - Average sunshine days in August:
14.7 days - Average sunshine days in September:
13.3 days - Average sunshine days in October:
6.4 days - Average sunshine days in November:
4.2 days - Average sunshine days in December:
5.9 days
The month with the most sunshine days is July (16 days).
The month with the least sunshine days is November (4.2 days).
Average UV index
Nilaveli, Sri Lanka
The months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 7).
The months with the lowest UV index are January, November and December (UV index 6).
Average cloud cover
Nilaveli, Sri Lanka
The month with the most cloud cover is December (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility
Nilaveli, Sri Lanka
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January and December (7km).
