Climate and monthly weather forecastDeliwala, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, like December, in Deliwala, Sri Lanka, is another warm winter month, with an average temperature ranging between max 28.3°C (82.9°F) and min 18.2°C (64.8°F). With the onset of January, a modest change to a still warm 28.3°C (82.9°F) from December's 27.5°C (81.5°F) is noted in high-temperature. Weather in January »Weather in February
February, the last month of the winter in Deliwala, is also a moderately hot month, with an average temperature fluctuating between 29.7°C (85.5°F) and 18.1°C (64.6°F). The commencement of February records an average high-temperature of a still warm 29.7°C (85.5°F), barely varying from January's 28.3°C (82.9°F). Weather in February »Weather in March
March, the first month of the spring in Deliwala, is a tropical month, with an average temperature ranging between max 31.5°C (88.7°F) and min 19.2°C (66.6°F). March is the month that records the highest temperatures, with averages ranging from a high of 31.5°C (88.7°F) to a low of 19.2°C (66.6°F). March's average heat index is appraised at an extremely hot 40°C (104°F). Weather in March »Weather in April
April, the same as March, in Deliwala, Sri Lanka, is another tropical spring month, with an average temperature fluctuating between 31.2°C (88.2°F) and 20.8°C (69.4°F). Deliwala's shift into April sets the average high-temperature at a still tropical 31.2°C (88.2°F), a figure that deviates only slightly from March's 31.5°C (88.7°F). Weather in April »Weather in May
May, the last month of the spring in Deliwala, is also a hot month, with an average temperature fluctuating between 21.8°C (71.2°F) and 30.1°C (86.2°F). As Deliwala welcomes May, the average high-temperature stabilizes at a still hot 30.1°C (86.2°F), showing little deviation from April's 31.2°C (88.2°F). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Deliwala, Sri Lanka, with an average temperature varying between 29.3°C (84.7°F) and 21.8°C (71.2°F). June commences with an average high-temperature of a moderately hot 29.3°C (84.7°F), showing little deviation from May's 30.1°C (86.2°F). Weather in June »Weather in July
July, like June, in Deliwala, Sri Lanka, is another warm summer month, with temperature in the range of an average low of 21.4°C (70.5°F) and an average high of 29.3°C (84.7°F). The onset of July is marked with a high temperature of a still moderately hot 29.3°C (84.7°F), reflecting the same conditions as June. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Deliwala, Sri Lanka, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 21.2°C (70.2°F). The advent of August reveals an average high-temperature of a still moderately hot 29.2°C (84.6°F), showing minimal difference from the prior month. Weather in August »Weather in September
September, the first month of the autumn in Deliwala, is also a moderately hot month, with an average temperature fluctuating between 21°C (69.8°F) and 29.4°C (84.9°F). The transition into September shows a subtle variation to a still moderately hot 29.4°C (84.9°F) from August's 29.2°C (84.6°F) in the average high-temperature. Weather in September »Weather in October
October, like September, in Deliwala, Sri Lanka, is another warm autumn month, with an average temperature varying between 29.4°C (84.9°F) and 20.7°C (69.3°F). Deliwala enters October with an average high-temperature of a still warm 29.4°C (84.9°F), mirroring September's climate. Weather in October »Weather in November
November, the last month of the autumn in Deliwala, is also a moderately hot month, with an average temperature varying between 28.3°C (82.9°F) and 20.1°C (68.2°F). The transition into November shows a subtle variation to a still warm 28.3°C (82.9°F) from October's 29.4°C (84.9°F) in the average high-temperature. Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Deliwala, Sri Lanka, with an average temperature ranging between max 27.5°C (81.5°F) and min 19.5°C (67.1°F). Deliwala's December weather reaches an average high of 27.5°C (81.5°F) and an average low of 19.5°C (67.1°F), making it the coldest month. Throughout December, the heat index is appraised at a hot 31°C (87.8°F). Weather in December »Updated: Jul 28, 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
The month with the least rainfall is January, when the rain falls for 14.1 days and typically collects 38mm (1.5") of precipitation.
In Deliwala, Sri Lanka, during the entire year, the rain falls for 278.9 days and collects up to 1477mm (58.15") of precipitation.
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index.
The month of March, characterized by an average high of 31.5°C (88.7°F) and a low of 19.2°C (66.6°F), is recognized as the warmest.
The least humid month is March, with an average relative humidity of 74%.
June has the longest days of the year, with an average of 12h and 30min of daylight.
The month with the most sunshine is June, with an average of 10.8h of sunshine.
The month with the most rainfall is October, when the rain falls for 27.4 days and typically aggregates up to 301mm (11.85") of precipitation.
With an average maximum UV index of 5, October is the month with the lowest UV index.
The month of December, characterized by an average high of 27.5°C (81.5°F) and a low of 19.5°C (67.1°F), is recognized as the coldest.
December is the most humid month, with an average relative humidity of 84%.
The month with the shortest days is December, with an average of 11h and 42min of daylight.
Deliwala does not utilize Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
The month with the least sunshine is December, with an average of 5.7h of sunshine.
Average temperature
Deliwala, Sri Lanka
The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is December (27.5°C).
The months with the highest average low temperature are May and June (21.8°C).
The coldest month (with the lowest average low temperature) is February (18.1°C).
Average pressure
Deliwala, Sri Lanka
- Average pressure in January:
1011.8mbar - Average pressure in February:
1011.5mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.6mbar - Average pressure in May:
1008.2mbar - Average pressure in June:
1008.1mbar
- Average pressure in July:
1008.2mbar - Average pressure in August:
1008.5mbar - Average pressure in September:
1009.2mbar - Average pressure in October:
1009.7mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.5mbar
The month with the highest atmospheric pressure is January (1011.8mbar).
The month with the lowest atmospheric pressure is June (1008.1mbar).
Average wind speed
Deliwala, Sri Lanka
- Average wind speed in January:
7.7km/h - Average wind speed in February:
7.1km/h - Average wind speed in March:
5km/h - Average wind speed in April:
4.7km/h - Average wind speed in May:
9.3km/h - Average wind speed in June:
13.5km/h
- Average wind speed in July:
12.6km/h - Average wind speed in August:
11.6km/h - Average wind speed in September:
10.6km/h - Average wind speed in October:
6.8km/h - Average wind speed in November:
5.3km/h - Average wind speed in December:
6.7km/h
The windiest month (with the highest average wind speed) is June (13.5km/h).
The calmest month (with the lowest average wind speed) is April (4.7km/h).
Average humidity
Deliwala, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Deliwala, Sri Lanka
- Average rainfall in January:
38mm - Average rainfall in February:
59mm - Average rainfall in March:
72mm - Average rainfall in April:
152mm - Average rainfall in May:
163mm - Average rainfall in June:
57mm
The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days
Deliwala, Sri Lanka
- Average rainfall days in January:
14.1 days - Average rainfall days in February:
14.5 days - Average rainfall days in March:
18.9 days - Average rainfall days in April:
27 days - Average rainfall days in May:
28.6 days - Average rainfall days in June:
25.1 days
- Average rainfall days in July:
24.3 days - Average rainfall days in August:
25.8 days - Average rainfall days in September:
23.9 days - Average rainfall days in October:
27.4 days - Average rainfall days in November:
26.4 days - Average rainfall days in December:
22.9 days
The month with the highest number of rainy days is May (28.6 days).
The month with the least rainy days is January (14.1 days).
Average daylight / Average sunshine
Deliwala, Sri Lanka
- Average daylight in January:
11h and 48min - Average daylight in February:
11h and 54min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 30min - Average daylight in June:
12h and 30min
- Average daylight in July:
12h and 30min - Average daylight in August:
12h and 24min - Average daylight in September:
12h and 12min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 48min - Average daylight in December:
11h and 42min
The month with the longest days is June (Average daylight: 12h and 30min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in January:
8h and 30min - Average sunshine in February:
8h and 42min - Average sunshine in March:
8h and 54min - Average sunshine in April:
9h and 24min - Average sunshine in May:
10h and 24min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
8h and 42min - Average sunshine in September:
9h and 54min - Average sunshine in October:
7h and 54min - Average sunshine in November:
6h and 48min - Average sunshine in December:
5h and 42min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Deliwala, Sri Lanka
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
12.4 days - Average sunshine days in March:
10.3 days - Average sunshine days in April:
1.8 days - Average sunshine days in May:
1.2 days - Average sunshine days in June:
1.7 days
- Average sunshine days in July:
2.8 days - Average sunshine days in August:
2.6 days - Average sunshine days in September:
3.6 days - Average sunshine days in October:
2.3 days - Average sunshine days in November:
3 days - Average sunshine days in December:
6.8 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is May (1.2 days).
Average UV index
Deliwala, Sri Lanka
The months with the highest UV index are January, February, March, April, May, June, July, August, September, November and December (UV index 6).
The month with the lowest UV index is October (UV index 5).
Average cloud cover
Deliwala, Sri Lanka
The months with the most cloud cover are November and December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 27).
Average visibility
Deliwala, Sri Lanka
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, November and December (8km).
