Climate and monthly weather forecastWelikadamulla, Sri Lanka
Climate and monthly weather forecast
Weather in January
January in Welikadamulla, Sri Lanka, is a hot winter month, with an average temperature ranging between min 23.1°C (73.6°F) and max 30.8°C (87.4°F). The shift into January finds Welikadamulla at an average high-temperature of a tropical 30.8°C (87.4°F), closely comparable to December's conditions. Weather in January »Weather in February
February, the last month of the winter in Welikadamulla, is also a hot month, with an average temperature varying between 31.4°C (88.5°F) and 23.3°C (73.9°F). As Welikadamulla transitions from January to February, the average high-temperatures adjust to a still tropical 31.4°C (88.5°F), nearly the same as the previous 30.8°C (87.4°F). Weather in February »Weather in March
The first month of the spring, March, is also a hot month in Welikadamulla, Sri Lanka, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 31.8°C (89.2°F). In Welikadamulla, Sri Lanka, the months of March and April are known for the peak temperatures, reaching an average high of 31.8°C (89.2°F). The average heat index in March is computed to be a blistering 42°C (107.6°F). Weather in March »Weather in April
April, like March, is another hot spring month in Welikadamulla, Sri Lanka, with an average temperature ranging between min 25.8°C (78.4°F) and max 31.8°C (89.2°F). March and April bring Welikadamulla's highest average temperatures, reaching a high of 31.8°C (89.2°F). The heat index in April is computed to be a blistering 42°C (107.6°F). Weather in April »Weather in May
May, the last month of the spring in Welikadamulla, is another hot month, with temperature in the range of an average low of 26.3°C (79.3°F) and an average high of 30.6°C (87.1°F). As May unfolds, the average high-temperature reaches a still hot 30.6°C (87.1°F), hinting at a slight fluctuation from the previous month. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Welikadamulla, Sri Lanka, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 25.8°C (78.4°F). On the advent of June, Welikadamulla's average high-temperature exhibits a minor adjustment to a moderately hot 29.3°C (84.7°F) from May's 30.6°C (87.1°F). Weather in June »Weather in July
July, like June, in Welikadamulla, Sri Lanka, is another warm summer month, with an average temperature ranging between max 28.9°C (84°F) and min 25.3°C (77.5°F). The coldest period falls in July and August, when the average high-temperature reaches 28.9°C (84°F). For most parts of July, the heat index is computed to be a very hot 35°C (95°F). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Welikadamulla, Sri Lanka, with an average temperature fluctuating between 28.9°C (84°F) and 25.2°C (77.4°F). In Welikadamulla, the coldest months are July and August, registering an average high-temperature of 28.9°C (84°F). In August, the average heat index is computed to be a very hot 35°C (95°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Welikadamulla, Sri Lanka, with an average temperature fluctuating between 29.1°C (84.4°F) and 24.9°C (76.8°F). During September, the average high-temperature is a still moderately hot 29.1°C (84.4°F), maintaining a close resemblance to that of the preceding month. Weather in September »Weather in October
October is a tropical autumn month in Welikadamulla, Sri Lanka, with an average temperature varying between 25°C (77°F) and 30°C (86°F). The transition into October marks the average high-temperature at a tropical 30°C (86°F), differing minimally from September's 29.1°C (84.4°F). Weather in October »Weather in November
The last month of the autumn, November, is another tropical month in Welikadamulla, Sri Lanka, with an average temperature fluctuating between 24.5°C (76.1°F) and 30.1°C (86.2°F). With the advent of November, Welikadamulla's high-temperatures adjust to a still hot 30.1°C (86.2°F), closely aligning with the preceding month. Weather in November »Weather in December
December, the first month of the winter in Welikadamulla, is still a warm month, with an average temperature fluctuating between 23.7°C (74.7°F) and 29.9°C (85.8°F). At the start of December, Welikadamulla's average high-temperature reaches a moderately hot 29.9°C (85.8°F), subtly different from the preceding month. 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
January and February, with an average relative humidity of 74%, are the least humid months in Welikadamulla.
January is the month with the least rainfall in Welikadamulla, Sri Lanka. Rain falls for 11.6 days and accumulates 40mm (1.57") of precipitation.
Throughout the year, in Welikadamulla, Sri Lanka, there are 289.4 rainfall days, and 2262mm (89.06") of precipitation is accumulated.
The month with the most sunshine is January, with an average of 9.1h of sunshine.
January through April, July, September, November and December, with an average maximum UV index of 7, are months with the highest UV index in Welikadamulla, Sri Lanka.
In Welikadamulla, the warmest period comes during March and April, when the average high-temperature touches 31.8°C (89.2°F).
The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6.
The months with the highest humidity in Welikadamulla, Sri Lanka, are June through August, with an average relative humidity of 83%.
June is the month with the most rainfall. Rain falls for 29.3 days and accumulates 341mm (13.43") of precipitation.
With an average of 12h and 30min of daylight, June has the longest days of the year.
In Welikadamulla, July and August are characterised by the lowest temperatures, recording an average high of 28.9°C (84°F).
The month with the least sunshine in Welikadamulla, Sri Lanka, is November, with an average of 6.7h of sunshine.
December has the shortest days of the year, with an average of 11h and 42min of daylight.
Welikadamulla, Sri Lanka, does not observe Daylight Saving Time (DST). +0530 timezone is used over the entire year.
Average temperature
Welikadamulla, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.8°C).
The months with the lowest average high temperature are July and August (28.9°C).
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).
Average pressure
Welikadamulla, Sri Lanka
- Average pressure in January:
1011.6mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1008.6mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1008.7mbar - Average pressure in August:
1009.1mbar - Average pressure in September:
1009.8mbar - Average pressure in October:
1009.9mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.4mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed
Welikadamulla, Sri Lanka
- Average wind speed in January:
12.8km/h - Average wind speed in February:
9.9km/h - Average wind speed in March:
8km/h - Average wind speed in April:
8.6km/h - Average wind speed in May:
12.9km/h - Average wind speed in June:
15.1km/h
- Average wind speed in July:
14.1km/h - Average wind speed in August:
14.2km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
8.9km/h - Average wind speed in December:
11.5km/h
The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).
Average humidity
Welikadamulla, Sri Lanka
The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall
Welikadamulla, Sri Lanka
- Average rainfall in January:
40mm - Average rainfall in February:
47mm - Average rainfall in March:
66mm - Average rainfall in April:
137mm - Average rainfall in May:
306mm - Average rainfall in June:
341mm
- Average rainfall in July:
256mm - Average rainfall in August:
287mm - Average rainfall in September:
206mm - Average rainfall in October:
237mm - Average rainfall in November:
191mm - Average rainfall in December:
148mm
The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days
Welikadamulla, Sri Lanka
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
25.4 days - Average rainfall days in May:
28.8 days - Average rainfall days in June:
29.3 days
- Average rainfall days in July:
29.8 days - Average rainfall days in August:
30.2 days - Average rainfall days in September:
26.9 days - Average rainfall days in October:
27 days - Average rainfall days in November:
25.7 days - Average rainfall days in December:
21.1 days
The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).
Average daylight / Average sunshine
Welikadamulla, 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 24min - Average daylight in June:
12h and 30min
- Average daylight in July:
12h and 30min - Average daylight in August:
12h and 18min - 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:
9h and 6min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
8h and 54min - Average sunshine in May:
8h and 36min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
7h and 36min - Average sunshine in August:
7h and 0min - Average sunshine in September:
7h and 24min - Average sunshine in October:
7h and 42min - Average sunshine in November:
6h and 42min - Average sunshine in December:
6h and 54min
The month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days
Welikadamulla, Sri Lanka
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
2.6 days - Average sunshine days in May:
1.3 days - Average sunshine days in June:
0.3 days
- Average sunshine days in July:
0.4 days - Average sunshine days in August:
0.3 days - Average sunshine days in September:
1.5 days - Average sunshine days in October:
1.7 days - Average sunshine days in November:
3.6 days - Average sunshine days in December:
8.3 days
The month with the most sunshine days is January (17.2 days).
The months with the least sunshine days are June and August (0.3 days).
Average UV index
Welikadamulla, Sri Lanka
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover
Welikadamulla, Sri Lanka
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility
Welikadamulla, Sri Lanka
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
