Climate and monthly weather forecastAswedduma, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, like December, in Aswedduma, Sri Lanka, is a moderately hot winter month, with an average temperature varying between 18.2°C (64.8°F) and 28.3°C (82.9°F). Aswedduma in January witnesses an average high-temperature of a still warm 28.3°C (82.9°F), indicating a slight variation from December's 27.5°C (81.5°F). Weather in January »Weather in February
The last month of the winter, February, is also a moderately hot month in Aswedduma, Sri Lanka, with temperature in the range of an average low of 18.1°C (64.6°F) and an average high of 29.7°C (85.5°F). At the start of February, Aswedduma's average high-temperature reaches a still warm 29.7°C (85.5°F), subtly different from the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a tropical month in Aswedduma, Sri Lanka, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 31.5°C (88.7°F). In Aswedduma, the average temperatures in March are the highest, with a peak at 31.5°C (88.7°F) and a low of 19.2°C (66.6°F). The average heat index in March is computed to be a scorching 40°C (104°F). Weather in March »Weather in April
April, like March, is a hot spring month in Aswedduma, Sri Lanka, with an average temperature fluctuating between 31.2°C (88.2°F) and 20.8°C (69.4°F). Aswedduma's average high-temperature in April is a still hot 31.2°C (88.2°F), marking an insignificant difference from the 31.5°C (88.7°F) of March. Weather in April »Weather in May
The last month of the spring, May, is another tropical month in Aswedduma, Sri Lanka, with temperature in the range of an average low of 21.8°C (71.2°F) and an average high of 30.1°C (86.2°F). Aswedduma's weather in May displays an average high-temperature of a still hot 30.1°C (86.2°F), showing minor disparity from April's 31.2°C (88.2°F). Weather in May »Weather in June
June, the first month of the summer in Aswedduma, is still a warm month, with an average temperature fluctuating between 29.3°C (84.7°F) and 21.8°C (71.2°F). Aswedduma's weather in June displays an average high-temperature of a warm 29.3°C (84.7°F), showing minor disparity from May's 30.1°C (86.2°F). Weather in June »Weather in July
July, like June, in Aswedduma, Sri Lanka, is another warm summer month, with an average temperature fluctuating between 29.3°C (84.7°F) and 21.4°C (70.5°F). The shift into July uncovers an average high-temperature of a still warm 29.3°C (84.7°F), maintaining the same temperature as the previous month. Weather in July »Weather in August
August, the last month of the summer in Aswedduma, is another warm month, with temperature in the range of an average low of 21.2°C (70.2°F) and an average high of 29.2°C (84.6°F). Aswedduma starts August with an average high-temperature of a still moderately hot 29.2°C (84.6°F), a minor shift from July's 29.3°C (84.7°F). Weather in August »Weather in September
September, the first month of the autumn in Aswedduma, is still a warm month, with an average temperature fluctuating between 29.5°C (85.1°F) and 21.1°C (70°F). The advent of September brings an average high-temperature of a still moderately hot 29.5°C (85.1°F), exhibiting minor difference from the previous month. Weather in September »Weather in October
October, like September, in Aswedduma, Sri Lanka, is another warm autumn month, with an average temperature ranging between max 29.4°C (84.9°F) and min 20.7°C (69.3°F). Aswedduma experiences an average high-temperature of a still warm 29.4°C (84.9°F) in October, subtly different from September's 29.5°C (85.1°F). Weather in October »Weather in November
November, the last month of the autumn in Aswedduma, is another warm month, with temperature in the range of an average low of 20.1°C (68.2°F) and an average high of 28.3°C (82.9°F). November's onset records an average high-temperature of a still moderately hot 28.3°C (82.9°F), a near match to October's 29.4°C (84.9°F). Weather in November »Weather in December
December, the first month of the winter in Aswedduma, is still a warm month, with an average temperature ranging between min 19.5°C (67.1°F) and max 27.5°C (81.5°F). December stands out as Aswedduma's coldest month, with temperatures ranging between an average high of 27.5°C (81.5°F) and a low of 19.5°C (67.1°F). December's heat index is computed to be a tropical 31°C (87.8°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
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 Aswedduma, Sri Lanka, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6.
With average high and low temperatures of 31.5°C (88.7°F) and 19.2°C (66.6°F) respectively, March is Aswedduma's warmest month.
March is the least humid month in Aswedduma, with an average relative humidity of 74%.
The month with the longest days in Aswedduma, Sri Lanka, is June, with an average of 12h and 36min of daylight.
June has the most sunshine of the year in Aswedduma, Sri Lanka, with an average of 10.8h of sunshine.
October is the month with the most rainfall in Aswedduma. Rain falls for 27.4 days and accumulates 301mm (11.85") of precipitation.
October is the month with the lowest UV index in Aswedduma, with an average maximum UV index of 5.
Aswedduma's coldest month, December, generally records average temperatures ranging from a high of 27.5°C (81.5°F) to a low of 19.5°C (67.1°F).
With an average relative humidity of 84%, December is the most humid month.
December has the shortest days of the year in Aswedduma, with an average of 11h and 42min of daylight.
Aswedduma does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
December has the least sunshine of the year, with an average of 5.7h of sunshine.
Average temperature
Aswedduma, 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
Aswedduma, 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:
1009.3mbar - 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
Aswedduma, 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:
10.8km/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
Aswedduma, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Aswedduma, 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
Aswedduma, 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:
23.4 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
Aswedduma, Sri Lanka
- Average daylight in January:
11h and 42min - 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 36min
- 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 36min).
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:
10h and 18min - 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
Aswedduma, 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:
3.9 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
Aswedduma, 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
Aswedduma, 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
Aswedduma, 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).
