Climate and monthly weather forecastDehianga, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, like December, in Dehianga, Sri Lanka, is another warm winter month, with an average temperature ranging between max 28.3°C (82.9°F) and min 18.2°C (64.8°F). During January, Dehianga observes a subtle ascent to a still warm 28.3°C (82.9°F) from December's 27.5°C (81.5°F) in the average high-temperature. Weather in January »Weather in February
The last month of the winter, February, is also a moderately hot month in Dehianga, Sri Lanka, with an average temperature varying between 18.1°C (64.6°F) and 29.7°C (85.5°F). February's advent presents an average high-temperature of a still warm 29.7°C (85.5°F), indicating a slight variation from the conditions of the previous month. Weather in February »Weather in March
March, the first month of the spring in Dehianga, is a hot month, with temperature in the range of an average low of 19.2°C (66.6°F) and an average high of 31.5°C (88.7°F). Dehianga's March weather reaches an average high of 31.5°C (88.7°F) and an average low of 19.2°C (66.6°F), making it the warmest month. The heat index value during March is evaluated at a blisteringly hot 40°C (104°F). Weather in March »Weather in April
April, the same as March, in Dehianga, Sri Lanka, is another tropical 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 arrival of April denotes a barely perceptible change in the average high-temperatures to a still hot 31.2°C (88.2°F) from March's 31.5°C (88.7°F). Weather in April »Weather in May
The last month of the spring, May, is also a hot month in Dehianga, Sri Lanka, with an average temperature varying between 21.8°C (71.2°F) and 30.1°C (86.2°F). Welcoming May, Dehianga notes an average high-temperature of a still tropical 30.1°C (86.2°F), nearly consistent with April's 31.2°C (88.2°F). Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Dehianga, Sri Lanka, with an average temperature ranging between max 29.3°C (84.7°F) and min 21.8°C (71.2°F). The average high-temperature during June registers at a moderately hot 29.3°C (84.7°F), maintaining a close resemblance to the previous month. Weather in June »Weather in July
July, the same as June, is another warm summer month in Dehianga, Sri Lanka, with an average temperature varying between 21.4°C (70.5°F) and 29.3°C (84.7°F). The dawn of July registers an average high temperature of a still warm 29.3°C (84.7°F), nearly the same as the 29.3°C (84.7°F) observed in June. Weather in July »Weather in August
The last month of the summer, August, is another warm month in Dehianga, Sri Lanka, with an average temperature fluctuating between 21.2°C (70.2°F) and 29.2°C (84.6°F). Dehianga greets August with an average high-temperature of a still moderately hot 29.2°C (84.6°F), marking a slight deviation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Dehianga, is still a warm month, with an average temperature ranging between min 21.1°C (70°F) and max 29.5°C (85.1°F). Dehianga's average high-temperature in September is a still moderately hot 29.5°C (85.1°F), indicating a subtle variation from August. Weather in September »Weather in October
October, like September, in Dehianga, Sri Lanka, is another warm autumn month, 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). Dehianga's average high-temperature marks a still moderately hot 29.4°C (84.9°F) with the advent of October, closely mirroring that of the preceding month. Weather in October »Weather in November
November, the last month of the autumn in Dehianga, is another warm month, with an average temperature fluctuating between 28.3°C (82.9°F) and 20.1°C (68.2°F). November's presence marks an average high-temperature of a still moderately hot 28.3°C (82.9°F), subtly varied from October's 29.4°C (84.9°F). Weather in November »Weather in December
December, the first month of the winter in Dehianga, is still a warm month, with temperature in the range of an average high of 27.5°C (81.5°F) and an average low of 19.5°C (67.1°F). During the coldest month, December, temperatures average a high of 27.5°C (81.5°F) and a low of 19.5°C (67.1°F). December's heat index is evaluated at a tropical 31°C (87.8°F). Weather in December »Updated: Jun 28, 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 is the month with the least rainfall. Rain falls for 14.1 days and accumulates 38mm (1.5") of precipitation.
Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index.
In Dehianga, March is the warmest month, with temperatures averaging a high of 31.5°C (88.7°F) and a low of 19.2°C (66.6°F).
The least humid month is March, with an average relative humidity of 74%.
The month with the longest days is June, with an average of 12h and 30min of daylight.
The month with the most sunshine is June, with an average of 10.8h of sunshine.
October is the month with the most rainfall. Rain falls for 27.4 days and accumulates 301mm (11.85") of precipitation.
October is the month with the lowest UV index in Dehianga, with an average maximum UV index of 5.
In Dehianga, December registers the lowest temperatures, averaging 27.5°C (81.5°F) at the peak and 19.5°C (67.1°F) at the lowest.
With an average relative humidity of 84%, December is the most humid month.
With an average of 11h and 42min of daylight, December has the shortest days of the year.
Dehianga, Sri Lanka, does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
With an average of 5.7h of sunshine, December has the least sunshine of the year.
Average temperature
Dehianga, 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
Dehianga, 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
Dehianga, 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
Dehianga, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Dehianga, 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
Dehianga, 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
Dehianga, 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
Dehianga, 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
Dehianga, 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
Dehianga, 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
Dehianga, 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).
