Climate and monthly weather forecastEthul Kotte, Sri Lanka
Climate and monthly weather forecast
Weather in January
January is a tropical winter month in Ethul Kotte, Sri Lanka, with an average temperature varying between 23.1°C (73.6°F) and 30.8°C (87.4°F). As Ethul Kotte transitions into January, the average high-temperature stands at a tropical 30.8°C (87.4°F), offering little variation from the preceding month. Weather in January »Weather in February
The last month of the winter, February, is another tropical month in Ethul Kotte, Sri Lanka, with an average temperature varying between 23.3°C (73.9°F) and 31.4°C (88.5°F). With the onset of February, a modest change to a still tropical 31.4°C (88.5°F) from January's 30.8°C (87.4°F) is noted in high-temperature. Weather in February »Weather in March
March, the first month of the spring in Ethul Kotte, is still a tropical month, with an average temperature varying between 31.8°C (89.2°F) and 24.3°C (75.7°F). The warmest months are March and April, with an average high-temperature of 31.8°C (89.2°F). The heat index value during March is appraised at a blisteringly hot 42°C (107.6°F). Weather in March »Weather in April
April, like March, is another hot spring month in Ethul Kotte, Sri Lanka, with temperature in the range of an average high of 31.8°C (89.2°F) and an average low of 25.8°C (78.4°F). In Ethul Kotte, the warmest period comes during March and April, when the average high-temperature touches 31.8°C (89.2°F). Throughout April, the heat index is appraised at a blistering 42°C (107.6°F). Weather in April »Weather in May
May, the last month of the spring in Ethul Kotte, is another hot month, with an average temperature varying between 26.3°C (79.3°F) and 30.6°C (87.1°F). The average high-temperature is a still tropical 30.6°C (87.1°F) in May, hardly different from the 31.8°C (89.2°F) recorded in April. Weather in May »Weather in June
June, the first month of the summer in Ethul Kotte, is still a warm month, with an average temperature varying between 25.8°C (78.4°F) and 29.3°C (84.7°F). The advent of June denotes an average high-temperature of a moderately hot 29.3°C (84.7°F), subtly different from May's 30.6°C (87.1°F). Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Ethul Kotte, Sri Lanka, with an average temperature fluctuating between 25.3°C (77.5°F) and 28.9°C (84°F). In Ethul Kotte, July and August are characterised by the lowest temperatures, recording an average high of 28.9°C (84°F). July's heat index is appraised at a torrid 35°C (95°F). Weather in July »Weather in August
The last month of the summer, August, is another warm month in Ethul Kotte, Sri Lanka, with an average temperature fluctuating between 28.9°C (84°F) and 25.2°C (77.4°F). Ethul Kotte's temperatures tend to hit their minimum during July and August, with an average high-temperature of 28.9°C (84°F). In August, the average heat index is appraised at a very hot 35°C (95°F). Weather in August »Weather in September
September, the first month of the autumn in Ethul Kotte, is also a moderately hot month, with an average temperature ranging between min 24.9°C (76.8°F) and max 29.1°C (84.4°F). The arrival of September denotes a barely perceptible change in the average high-temperatures to a still warm 29.1°C (84.4°F) from August's 28.9°C (84°F). Weather in September »Weather in October
October in Ethul Kotte, Sri Lanka, is a hot autumn month, with an average temperature varying between 25°C (77°F) and 30°C (86°F). Ethul Kotte sees the arrival of October with an average high-temperature of a hot 30°C (86°F), indicating a subtle variation from September. Weather in October »Weather in November
November, the last month of the autumn in Ethul Kotte, is another hot month, with an average temperature varying between 24.5°C (76.1°F) and 30.1°C (86.2°F). Welcoming November, Ethul Kotte notes an average high-temperature of a still hot 30.1°C (86.2°F), nearly consistent with October's 30°C (86°F). Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Ethul Kotte, Sri Lanka, with an average temperature ranging between max 29.9°C (85.8°F) and min 23.7°C (74.7°F). The transition into December is marked with an average high-temperature of a warm 29.9°C (85.8°F), showing an insignificant shift from November's 30.1°C (86.2°F). Weather in December »Updated: Jun 29, 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.
January is the month with the least rainfall. Rain falls for 11.6 days and accumulates 40mm (1.57") of precipitation.
Throughout the year, in Ethul Kotte, there are 289.4 rainfall days, and 2262mm (89.06") of precipitation is accumulated.
With an average of 9.1h of sunshine, January has the most sunshine of the year.
The months with the highest UV index are January through April, July, September, November and December, with an average maximum UV index of 7.
Temperatures reach their maximum during March and April, recording an average high-temperature of 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.
June through August, with an average relative humidity of 83%, are most humid months.
The month with the most rainfall is June, when the rain falls for 29.3 days and typically aggregates up to 341mm (13.43") of precipitation.
The month with the longest days is June, with an average of 12h and 30min of daylight.
Ethul Kotte experiences its coldest period in July and August, averaging a high-temperature of 28.9°C (84°F).
November has the least sunshine of the year, with an average of 6.7h of sunshine.
With an average of 11h and 42min of daylight, December has the shortest days of the year.
Ethul Kotte does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
Average temperature
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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
Ethul Kotte, 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).
