Climate and monthly weather forecastMandandawela, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, the same as December, is a moderately hot winter month in Mandandawela, Sri Lanka, with an average temperature ranging between max 29.3°C (84.7°F) and min 19°C (66.2°F). The transition into January shows a subtle variation to a still warm 29.3°C (84.7°F) from December's 28.6°C (83.5°F) in the average high-temperature. Weather in January »Weather in February
February, the last month of the winter in Mandandawela, is a hot month, with an average temperature varying between 30.7°C (87.3°F) and 18.9°C (66°F). February's arrival brings an average high-temperature of a hot 30.7°C (87.3°F), slightly deviating from January's 29.3°C (84.7°F). Weather in February »Weather in March
March, the first month of the spring in Mandandawela, is still a hot month, with an average temperature ranging between min 19.9°C (67.8°F) and max 32.8°C (91°F). The transition from February to March sees an average high-temperature of a still hot 32.8°C (91°F), indicating a minor variance from the prior month. Weather in March »Weather in April
April, like March, is a hot spring month in Mandandawela, Sri Lanka, with temperature in the range of an average low of 22°C (71.6°F) and an average high of 32.9°C (91.2°F). In Mandandawela, April is the month with the highest recorded average temperatures, measuring a high of 32.9°C (91.2°F) and a low of 22°C (71.6°F). For April, the heat index is evaluated at a life-threatening hot 46°C (114.8°F). Weather in April »Weather in May
The last month of the spring, May, is another tropical month in Mandandawela, Sri Lanka, with an average temperature fluctuating between 31.8°C (89.2°F) and 23°C (73.4°F). Mandandawela's weather, upon May's arrival, documents an average high-temperature of a still tropical 31.8°C (89.2°F), nearly identical to the prior month. Weather in May »Weather in June
June, the first month of the summer in Mandandawela, is still a tropical month, with an average temperature fluctuating between 22.8°C (73°F) and 31°C (87.8°F). June's average high-temperature stands at a still tropical 31°C (87.8°F), showing little deviation from May's 31.8°C (89.2°F). Weather in June »Weather in July
July, the same as June, in Mandandawela, Sri Lanka, is another tropical summer month, with an average temperature fluctuating between 30.7°C (87.3°F) and 22.5°C (72.5°F). The arrival of July sees an average high-temperature of a still hot 30.7°C (87.3°F), hardly diverging from June's 31°C (87.8°F). Weather in July »Weather in August
The last month of the summer, August, is another hot month in Mandandawela, Sri Lanka, with an average temperature fluctuating between 22.3°C (72.1°F) and 30.8°C (87.4°F). Mandandawela sees the arrival of August with an average high-temperature of a still hot 30.8°C (87.4°F), indicating a subtle variation from July. Weather in August »Weather in September
September, the first month of the autumn in Mandandawela, is also a hot month, with an average temperature varying between 31.2°C (88.2°F) and 22.3°C (72.1°F). Mandandawela notes an average high-temperature of a still tropical 31.2°C (88.2°F) in September, displaying minor variation from August. Weather in September »Weather in October
October, like September, is another tropical autumn month in Mandandawela, Sri Lanka, with an average temperature ranging between max 30.9°C (87.6°F) and min 21.8°C (71.2°F). October welcomes an average high-temperature of a still tropical 30.9°C (87.6°F), not much different from the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Mandandawela, is also a moderately hot month, with temperature in the range of an average low of 21°C (69.8°F) and an average high of 29.6°C (85.3°F). With November's arrival, Mandandawela's weather records an average high-temperature of a moderately hot 29.6°C (85.3°F), marking little difference from October's 30.9°C (87.6°F). Weather in November »Weather in December
December, the first month of the winter in Mandandawela, is also a moderately hot month, with an average temperature fluctuating between 20.4°C (68.7°F) and 28.6°C (83.5°F). December, marked by an average high-temperature of 28.6°C (83.5°F) and a low-temperature of 20.4°C (68.7°F), is the coldest month. Throughout December, the heat index is evaluated at a hot 34°C (93.2°F). Weather in December »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Mandandawela, Sri Lanka
The warmest month (with the highest average high temperature) is April (32.9°C).
The month with the lowest average high temperature is December (28.6°C).
The month with the highest average low temperature is May (23°C).
The coldest month (with the lowest average low temperature) is February (18.9°C).
Average pressure
Mandandawela, Sri Lanka
- Average pressure in January:
1011.9mbar - Average pressure in February:
1011.5mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.5mbar - Average pressure in May:
1008.1mbar - Average pressure in June:
1007.9mbar
- Average pressure in July:
1008mbar - Average pressure in August:
1008.4mbar - Average pressure in September:
1009.2mbar - 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 (1011.9mbar).
The month with the lowest atmospheric pressure is June (1007.9mbar).
Average wind speed
Mandandawela, Sri Lanka
- Average wind speed in January:
9.1km/h - Average wind speed in February:
8.6km/h - Average wind speed in March:
6.1km/h - Average wind speed in April:
5.6km/h - Average wind speed in May:
11.2km/h - Average wind speed in June:
16.5km/h
- Average wind speed in July:
15.6km/h - Average wind speed in August:
14.2km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
8.2km/h - Average wind speed in November:
6.1km/h - Average wind speed in December:
7.8km/h
The windiest month (with the highest average wind speed) is June (16.5km/h).
The calmest month (with the lowest average wind speed) is April (5.6km/h).
Average humidity
Mandandawela, Sri Lanka
The month with the highest relative humidity is December (83%).
The months with the lowest relative humidity are March and September (72%).
Average rainfall
Mandandawela, Sri Lanka
- Average rainfall in January:
34mm - Average rainfall in February:
54mm - Average rainfall in March:
54mm - Average rainfall in April:
120mm - Average rainfall in May:
117mm - Average rainfall in June:
29mm
The wettest month (with the highest rainfall) is October (267mm).
The driest month (with the least rainfall) is June (29mm).
Average rainfall days
Mandandawela, Sri Lanka
- Average rainfall days in January:
14 days - Average rainfall days in February:
11.8 days - Average rainfall days in March:
16.1 days - Average rainfall days in April:
24.7 days - Average rainfall days in May:
21.6 days - Average rainfall days in June:
14.7 days
- Average rainfall days in July:
16.6 days - Average rainfall days in August:
15.8 days - Average rainfall days in September:
15.2 days - Average rainfall days in October:
22.4 days - Average rainfall days in November:
23.9 days - Average rainfall days in December:
20.9 days
The month with the highest number of rainy days is April (24.7 days).
The month with the least rainy days is February (11.8 days).
Average daylight / Average sunshine
Mandandawela, Sri Lanka
- Average daylight in January:
11h and 42min - 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 36min
- 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 36min).
The month with the shortest days is December (Average daylight: 11h and 42min).
- Average sunshine in January:
8h and 24min - Average sunshine in February:
8h and 42min - Average sunshine in March:
9h and 0min - Average sunshine in April:
9h and 48min - Average sunshine in May:
10h and 42min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
10h and 24min - Average sunshine in August:
8h and 54min - Average sunshine in September:
10h and 30min - Average sunshine in October:
8h and 6min - Average sunshine in November:
6h and 42min - Average sunshine in December:
5h and 42min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days
Mandandawela, Sri Lanka
- Average sunshine days in January:
14.8 days - Average sunshine days in February:
14.1 days - Average sunshine days in March:
13.5 days - Average sunshine days in April:
4 days - Average sunshine days in May:
5.3 days - Average sunshine days in June:
10.3 days
- Average sunshine days in July:
10.8 days - Average sunshine days in August:
11.8 days - Average sunshine days in September:
10.5 days - Average sunshine days in October:
7.1 days - Average sunshine days in November:
5.2 days - Average sunshine days in December:
8.2 days
The month with the most sunshine days is January (14.8 days).
The month with the least sunshine days is April (4 days).
Average UV index
Mandandawela, Sri Lanka
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, October, November and December (UV index 6).
Average cloud cover
Mandandawela, Sri Lanka
The months with the most cloud cover are November and December (Cloud cover 46).
The month with the least cloud cover is March (Cloud cover 24).
Average visibility
Mandandawela, Sri Lanka
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, November and December (8km).





