Climate and monthly weather forecastHaragama, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, like December, in Haragama, 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). Haragama experiences an average high-temperature of a still moderately hot 28.3°C (82.9°F) in January, subtly different from December's 27.5°C (81.5°F). Weather in January »Weather in February
February, the last month of the winter in Haragama, is also a moderately hot month, 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). Haragama's shift into February sets the average high-temperature at a still warm 29.7°C (85.5°F), a figure that deviates only slightly from January's 28.3°C (82.9°F). Weather in February »Weather in March
March, the first month of the spring in Haragama, is a tropical month, with an average temperature varying between 31.5°C (88.7°F) and 19.2°C (66.6°F). March, recording an average high temperature of 31.5°C (88.7°F) and a low temperature of 19.2°C (66.6°F), is Haragama's warmest month. In March, the heat index is estimated at a scorching 40°C (104°F). Weather in March »Weather in April
April, like March, is another tropical spring month in Haragama, Sri Lanka, with an average temperature ranging between max 31.2°C (88.2°F) and min 20.8°C (69.4°F). The commencement of April records an average high-temperature of a still hot 31.2°C (88.2°F), barely varying from March's 31.5°C (88.7°F). Weather in April »Weather in May
May, the last month of the spring in Haragama, is another hot month, 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). The average high-temperature during May is a still tropical 30.1°C (86.2°F), almost matching the conditions of the preceding month. Weather in May »Weather in June
June, the first month of the summer in Haragama, is still a warm month, with an average temperature ranging between max 29.3°C (84.7°F) and min 21.8°C (71.2°F). June's arrival registers an average high-temperature of a warm 29.3°C (84.7°F), closely aligning with the temperature of the previous month. Weather in June »Weather in July
July, the same as June, is another warm summer month in Haragama, Sri Lanka, with an average temperature varying between 21.4°C (70.5°F) and 29.3°C (84.7°F). Haragama welcomes July with a high-temperature average of a still moderately hot 29.3°C (84.7°F), corresponding to the preceding month. Weather in July »Weather in August
August, the last month of the summer in Haragama, is another warm month, with an average temperature varying between 29.2°C (84.6°F) and 21.2°C (70.2°F). With August's advent, Haragama sees an average high-temperature of a still moderately hot 29.2°C (84.6°F), subtly shifted from July's 29.3°C (84.7°F). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Haragama, Sri Lanka, with temperature in the range of an average high of 29.5°C (85.1°F) and an average low of 21.1°C (70°F). Transitioning into September, Haragama records an average high-temperature of a still warm 29.5°C (85.1°F), almost identical to 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 Haragama, 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). The transition from September to October brings an average high-temperature of a still moderately hot 29.4°C (84.9°F), barely different from September's 29.5°C (85.1°F). Weather in October »Weather in November
November, the last month of the autumn in Haragama, is also a moderately hot month, with an average temperature ranging between max 28.3°C (82.9°F) and min 20.1°C (68.2°F). November's average high-temperature stands at a still warm 28.3°C (82.9°F), showing little deviation from October's 29.4°C (84.9°F). Weather in November »Weather in December
The first month of the winter, December, is also a moderately hot month in Haragama, Sri Lanka, with an average temperature fluctuating between 19.5°C (67.1°F) and 27.5°C (81.5°F). The coldest time of the year is December, with temperatures averaging a high of 27.5°C (81.5°F) and a low of 19.5°C (67.1°F). December's mean heat index is estimated at 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
Haragama, 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
Haragama, 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
Haragama, 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
Haragama, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Haragama, 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
Haragama, 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
Haragama, 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
Haragama, 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
Haragama, 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
Haragama, 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
Haragama, 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).





