Climate and monthly weather forecastUnambuwa, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, the same as December, is another warm winter month in Unambuwa, Sri Lanka, with an average temperature ranging between max 28.3°C (82.9°F) and min 18.2°C (64.8°F). The shift into January uncovers an average high-temperature of a still warm 28.3°C (82.9°F), subtly different from the previous month. Weather in January »Weather in February
February, the last month of the winter in Unambuwa, is another warm month, with an average temperature ranging between min 18.1°C (64.6°F) and max 29.7°C (85.5°F). The high-temperature average in February for Unambuwa is a still moderately hot 29.7°C (85.5°F), staying closely aligned with January's conditions. Weather in February »Weather in March
The first month of the spring, March, is a tropical month in Unambuwa, Sri Lanka, with an average temperature fluctuating between 31.5°C (88.7°F) and 19.2°C (66.6°F). Unambuwa's warmest month, March, generally records average temperatures ranging from a high of 31.5°C (88.7°F) to a low of 19.2°C (66.6°F). March's mean heat index is calculated to be a blisteringly hot 40°C (104°F). Weather in March »Weather in April
April, the same as March, in Unambuwa, Sri Lanka, is another tropical spring month, with an average temperature varying between 20.8°C (69.4°F) and 31.2°C (88.2°F). With the transition into April, Unambuwa notes an average high-temperature of a still tropical 31.2°C (88.2°F), closely resembling March. Weather in April »Weather in May
The last month of the spring, May, is another tropical month in Unambuwa, Sri Lanka, 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 weather during May records an average high-temperature of a still tropical 30.1°C (86.2°F), closely mirroring the preceding month. Weather in May »Weather in June
June, the first month of the summer in Unambuwa, is still a warm month, with an average temperature varying between 21.8°C (71.2°F) and 29.3°C (84.7°F). The transition into June notes an average high-temperature of a moderately hot 29.3°C (84.7°F), revealing a mild distinction from the 30.1°C (86.2°F) in May. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Unambuwa, Sri Lanka, with an average temperature fluctuating between 21.4°C (70.5°F) and 29.3°C (84.7°F). Unambuwa's average high-temperature in July is a still moderately hot 29.3°C (84.7°F), not differing from the temperature of June. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Unambuwa, Sri Lanka, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 21.2°C (70.2°F). Unambuwa starts August with an average high-temperature of a still warm 29.2°C (84.6°F), hinting at a minimal fluctuation from July. Weather in August »Weather in September
September, the first month of the autumn in Unambuwa, is still a warm month, with an average temperature ranging between max 29.5°C (85.1°F) and min 21.1°C (70°F). Unambuwa registers an average high-temperature of a still moderately hot 29.5°C (85.1°F) with the arrival of September, showing minor deviation from the preceding month. Weather in September »Weather in October
October, like September, in Unambuwa, Sri Lanka, is a moderately hot autumn month, with an average temperature fluctuating between 20.7°C (69.3°F) and 29.4°C (84.9°F). October denotes a minimal variation in the average high-temperature to a still warm 29.4°C (84.9°F) from September's 29.5°C (85.1°F). Weather in October »Weather in November
November, the last month of the autumn in Unambuwa, is another warm month, with an average temperature fluctuating between 20.1°C (68.2°F) and 28.3°C (82.9°F). During November, Unambuwa records an average high-temperature of a still moderately hot 28.3°C (82.9°F), marking a slight divergence from October's 29.4°C (84.9°F). Weather in November »Weather in December
December, the first month of the winter in Unambuwa, is still a warm month, with an average temperature fluctuating between 27.5°C (81.5°F) and 19.5°C (67.1°F). In Unambuwa, Sri Lanka, the lowest average temperatures are observed in December, with a high of 27.5°C (81.5°F) and a low of 19.5°C (67.1°F). The average heat index in December 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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
Unambuwa, 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).





