Climate and monthly weather forecastAladeniya, Sri Lanka
Aladeniya, Sri Lanka - Climate and weather forecast by month. Detailed climate information with charts - average monthly weather with temperature, pressure, humidity, precipitation, wind, daylight, sunshine, visibility, and UV index data. The month with the least rainfall in Aladeniya is January, when the rain falls for 14.1 days and typically collects 38mm (1.5") of precipitation. December, having an average high-temperature of 27.5°C (81.5°F) and an average low-temperature of 19.5°C (67.1°F), is the coldest month in Aladeniya, Sri Lanka.
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Aladeniya, Sri Lanka, with an average temperature ranging between max 28.3°C (82.9°F) and min 18.2°C (64.8°F). With the advent of January, Aladeniya experiences an average high-temperature of a still warm 28.3°C (82.9°F), mirroring a close resemblance to the previous month. Weather in January »Weather in February
February, the last month of the winter in Aladeniya, is also a moderately hot month, with temperature in the range of an average high of 29.7°C (85.5°F) and an average low of 18.1°C (64.6°F). In the transition from January to February, Aladeniya reports an average high-temperature of a still warm 29.7°C (85.5°F), indicating a close resemblance to the prior month. Weather in February »Weather in March
The first month of the spring, March, is a tropical month in Aladeniya, 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). March, on average, is the warmest month, registering a high temperature of 31.5°C (88.7°F) and a low of 19.2°C (66.6°F). The heat index value for March is calculated to be a blisteringly hot 40°C (104°F). Weather in March »Weather in April
April, the same as March, in Aladeniya, Sri Lanka, is a hot spring month, with an average temperature fluctuating between 31.2°C (88.2°F) and 20.8°C (69.4°F). The onset of April brings with it an average high-temperature of a still tropical 31.2°C (88.2°F), showing a negligible variation from the month before. Weather in April »Weather in May
The last month of the spring, May, is another tropical month in Aladeniya, Sri Lanka, with an average temperature fluctuating between 21.8°C (71.2°F) and 30.1°C (86.2°F). The transition from April to May sees an average high-temperature of a still hot 30.1°C (86.2°F), indicating a minor variance from the prior month. Weather in May »Weather in June
June, the first month of the summer in Aladeniya, is still a warm month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 21.8°C (71.2°F). The advent of June signifies a minor shift to an average high-temperature of a warm 29.3°C (84.7°F), aligning closely with May. Weather in June »Weather in July
July, like June, in Aladeniya, Sri Lanka, is another warm summer month, with an average temperature ranging between min 21.4°C (70.5°F) and max 29.3°C (84.7°F). Aladeniya, Sri Lanka, sees an almost indistinguishable change in average high-temperatures from June to a still moderately hot 29.3°C (84.7°F) in July. Weather in July »Weather in August
August, the last month of the summer in Aladeniya, 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). In August, Aladeniya notes an average high-temperature of a still moderately hot 29.2°C (84.6°F), hardly different from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Aladeniya, is still a warm month, with temperature in the range of an average low of 21.1°C (70°F) and an average high of 29.5°C (85.1°F). The average high-temperature in September, at a still moderately hot 29.5°C (85.1°F), reveals a modest deviation from August's 29.2°C (84.6°F). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Aladeniya, Sri Lanka, with an average temperature fluctuating between 29.4°C (84.9°F) and 20.7°C (69.3°F). With the onset of October, a modest change to a still warm 29.4°C (84.9°F) from September's 29.5°C (85.1°F) is noted in high-temperature. Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Aladeniya, Sri Lanka, with an average temperature fluctuating between 20.1°C (68.2°F) and 28.3°C (82.9°F). As Aladeniya, Sri Lanka, steps into November, the average high-temperature holds at a still warm 28.3°C (82.9°F), hinting at a minor fluctuation from the prior month. Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Aladeniya, Sri Lanka, with temperature in the range of an average low of 19.5°C (67.1°F) and an average high of 27.5°C (81.5°F). December is the coldest month, exhibiting average temperatures of 27.5°C (81.5°F) at the peak and 19.5°C (67.1°F) at the base. Throughout December, the heat index is calculated to be a hot 31°C (87.8°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Aladeniya, 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
Aladeniya, 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
Aladeniya, 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
Aladeniya, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Aladeniya, 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
Aladeniya, 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
Aladeniya, 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:
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
Aladeniya, 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
Aladeniya, 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
Aladeniya, 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
Aladeniya, 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).
