Climate and monthly weather forecastKossinna, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, like December, in Kossinna, Sri Lanka, is a moderately hot winter month, with an average temperature ranging between max 28.3°C (82.9°F) and min 18.2°C (64.8°F). January's arrival shows an average high-temperature of a still moderately hot 28.3°C (82.9°F), hardly different from the previous month. Weather in January »Weather in February
February, the last month of the winter in Kossinna, is another warm month, with an average temperature varying between 29.7°C (85.5°F) and 18.1°C (64.6°F). February reports an average high-temperature of a still moderately hot 29.7°C (85.5°F), slightly varied from January's 28.3°C (82.9°F). Weather in February »Weather in March
The first month of the spring, March, is a hot month in Kossinna, Sri Lanka, with an average temperature ranging between min 19.2°C (66.6°F) and max 31.5°C (88.7°F). The warmest period is March, when temperatures fluctuate between an average high of 31.5°C (88.7°F) and a low of 19.2°C (66.6°F). March's heat index is calculated to be an extremely hot 40°C (104°F). Weather in March »Weather in April
April, the same as March, in Kossinna, Sri Lanka, is a hot spring month, with temperature in the range of an average low of 20.8°C (69.4°F) and an average high of 31.2°C (88.2°F). The initiation of April records an average high-temperature of a still tropical 31.2°C (88.2°F), displaying a near consistency with the previous month. Weather in April »Weather in May
May, the last month of the spring in Kossinna, is another tropical month, with an average temperature varying between 30.1°C (86.2°F) and 21.8°C (71.2°F). With the start of May, Kossinna measures an average high-temperature of a still tropical 30.1°C (86.2°F), not significantly differing from April's 31.2°C (88.2°F). Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Kossinna, Sri Lanka, with an average temperature fluctuating between 29.3°C (84.7°F) and 21.8°C (71.2°F). As Kossinna welcomes June, the average high-temperature is noted at a moderately hot 29.3°C (84.7°F), closely aligning with the preceding month. Weather in June »Weather in July
July, like June, in Kossinna, Sri Lanka, is another warm summer month, with temperature in the range of an average high of 29.3°C (84.7°F) and an average low of 21.4°C (70.5°F). Kossinna's entry into July measures an average high-temperature of a still warm 29.3°C (84.7°F), matching the preceding month's conditions. Weather in July »Weather in August
August, the last month of the summer in Kossinna, is also a moderately hot month, with an average temperature fluctuating between 29.2°C (84.6°F) and 21.2°C (70.2°F). August observes an average high-temperature of a still warm 29.2°C (84.6°F), marking an insignificant difference from July's 29.3°C (84.7°F). Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Kossinna, Sri Lanka, with an average temperature varying between 29.5°C (85.1°F) and 21.1°C (70°F). September brings an average high-temperature of a still warm 29.5°C (85.1°F), nearly identical to the preceding month. Weather in September »Weather in October
October, the same as September, is another warm autumn month in Kossinna, Sri Lanka, with temperature in the range of an average high of 29.4°C (84.9°F) and an average low of 20.7°C (69.3°F). Kossinna, Sri Lanka, greets October with an average high-temperature of a still warm 29.4°C (84.9°F), marking a slight deviation from the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Kossinna, 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 advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 28.3°C (82.9°F) from October's 29.4°C (84.9°F). Weather in November »Weather in December
December, the first month of the winter in Kossinna, is still a warm month, with an average temperature varying between 19.5°C (67.1°F) and 27.5°C (81.5°F). In Kossinna, December is the month with the lowest recorded average temperatures, measuring a high of 27.5°C (81.5°F) and a low of 19.5°C (67.1°F). December's heat index is calculated to be a tropical 31°C (87.8°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Kossinna, 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
Kossinna, 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
Kossinna, 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
Kossinna, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Kossinna, 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
Kossinna, 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
Kossinna, 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
Kossinna, 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
Kossinna, 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
Kossinna, 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
Kossinna, 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).





