Climate and monthly weather forecastDevinuwara, Sri Lanka
Climate and monthly weather forecast
Weather in January
January is a hot winter month in Devinuwara, Sri Lanka, with an average temperature fluctuating between 23°C (73.4°F) and 30.2°C (86.4°F). January brings a marginal elevation to a hot 30.2°C (86.4°F) from December's 29.9°C (85.8°F) in Devinuwara's average high-temperatures. Weather in January »Weather in February
The last month of the winter, February, is another hot month in Devinuwara, Sri Lanka, with temperature in the range of an average low of 23.5°C (74.3°F) and an average high of 30.9°C (87.6°F). Devinuwara experiences a subtle adjustment in high-temperatures to a still hot 30.9°C (87.6°F) with the onset of February, maintaining near parity with January's 30.2°C (86.4°F). Weather in February »Weather in March
The first month of the spring, March, is still a hot month in Devinuwara, Sri Lanka, with an average temperature fluctuating between 24.3°C (75.7°F) and 31.1°C (88°F). The months of March and April are noted for their peak temperatures, with an average high-temperature of 31.1°C (88°F). The heat index value during March is appraised at a blistering 41°C (105.8°F). Weather in March »Weather in April
April, the same as March, in Devinuwara, Sri Lanka, is another hot spring month, with an average temperature varying between 31.1°C (88°F) and 25.3°C (77.5°F). March and April mark Devinuwara's peak of temperatures, averaging a high-temperature of 31.1°C (88°F). For April, the heat index is appraised at a blisteringly hot 41°C (105.8°F). Weather in April »Weather in May
The last month of the spring, May, is another hot month in Devinuwara, Sri Lanka, with an average temperature ranging between max 30.3°C (86.5°F) and min 26.3°C (79.3°F). The dawn of May sees an average high-temperature of a still hot 30.3°C (86.5°F), subtly contrasting with April's 31.1°C (88°F). Weather in May »Weather in June
June, the first month of the summer in Devinuwara, is still a warm month, with temperature in the range of an average low of 26°C (78.8°F) and an average high of 29.6°C (85.3°F). June reports an average high-temperature of a moderately hot 29.6°C (85.3°F), slightly varied from May's 30.3°C (86.5°F). Weather in June »Weather in July
July, the same as June, is another warm summer month in Devinuwara, Sri Lanka, with an average temperature varying between 29.6°C (85.3°F) and 25.6°C (78.1°F). July's arrival registers an average high-temperature of a still moderately hot 29.6°C (85.3°F), matching the conditions of the preceding month. Weather in July »Weather in August
August, the last month of the summer in Devinuwara, is another warm month, with temperature in the range of an average low of 25.3°C (77.5°F) and an average high of 29.3°C (84.7°F). The introduction of August sees an average high-temperature of a still warm 29.3°C (84.7°F), hardly deviating from July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Devinuwara, Sri Lanka, with an average temperature fluctuating between 25.3°C (77.5°F) and 29.1°C (84.4°F). The month of September, characterized by an average high of 29.1°C (84.4°F) and a low of 25.3°C (77.5°F), is recognized as the coldest. During September, the heat index is appraised at a sweltering 35°C (95°F). Weather in September »Weather in October
October, like September, in Devinuwara, Sri Lanka, is a moderately hot autumn month, with an average temperature fluctuating between 29.6°C (85.3°F) and 25.3°C (77.5°F). October's average high-temperature stands at a still warm 29.6°C (85.3°F), showing little deviation from September's 29.1°C (84.4°F). Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in Devinuwara, Sri Lanka, with an average temperature varying between 29.8°C (85.6°F) and 24.5°C (76.1°F). Devinuwara observes a minor difference in average high-temperatures between October's 29.6°C (85.3°F) and November's 29.8°C (85.6°F). Weather in November »Weather in December
December, the first month of the winter in Devinuwara, is still a warm month, with temperature in the range of an average high of 29.9°C (85.8°F) and an average low of 23.8°C (74.8°F). The arrival of December denotes a barely perceptible change in the average high-temperatures to a still warm 29.9°C (85.8°F) from November's 29.8°C (85.6°F). Weather in December »Updated: Jul 5, 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 77%, are the least humid months.
The month with the least rainfall is January, when the rain falls for 12.3 days and typically collects 22mm (0.87") of precipitation.
Throughout the year, in Devinuwara, there are 180 rainfall days, and 509mm (20.04") of precipitation is accumulated.
January through December, with an average maximum UV index of 7, are months with the highest UV index.
The months with the lowest UV index are January through December, with an average maximum UV index of 7.
March and April are characterised by peak temperatures, with an average high of 31.1°C (88°F).
With an average of 9.7h of sunshine, April has the most sunshine of the year.
May, September and November, with an average relative humidity of 81%, are most humid months.
With an average of 12h and 30min of daylight, June has the longest days of the year.
September, noted for its average high-temperature of 29.1°C (84.4°F) and an average low-temperature of 25.3°C (77.5°F), is considered the coldest month in Devinuwara.
November is the month with the most rainfall. Rain falls for 19.8 days and accumulates 66mm (2.6") of precipitation.
December has the shortest days of the year, with an average of 11h and 48min of daylight.
Devinuwara does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
The month with the least sunshine is December, with an average of 6.9h of sunshine.
Average temperature
Devinuwara, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.1°C).
The month with the lowest average high temperature is September (29.1°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°C).
Average pressure
Devinuwara, Sri Lanka
- Average pressure in January:
1011.4mbar - Average pressure in February:
1011.1mbar - Average pressure in March:
1010.8mbar - Average pressure in April:
1009.9mbar - Average pressure in May:
1008.9mbar - Average pressure in June:
1009.1mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1009.5mbar - Average pressure in September:
1010.2mbar - Average pressure in October:
1010.1mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.2mbar
The month with the highest atmospheric pressure is January (1011.4mbar).
The month with the lowest atmospheric pressure is May (1008.9mbar).
Average wind speed
Devinuwara, Sri Lanka
- Average wind speed in January:
9km/h - Average wind speed in February:
10.3km/h - Average wind speed in March:
9.6km/h - Average wind speed in April:
9.4km/h - Average wind speed in May:
15.4km/h - Average wind speed in June:
18.8km/h
- Average wind speed in July:
18.9km/h - Average wind speed in August:
18.3km/h - Average wind speed in September:
16.3km/h - Average wind speed in October:
12.6km/h - Average wind speed in November:
9.2km/h - Average wind speed in December:
9.6km/h
The windiest month (with the highest average wind speed) is July (18.9km/h).
The calmest month (with the lowest average wind speed) is January (9km/h).
Average humidity
Devinuwara, Sri Lanka
The months with the highest relative humidity are May, September and November (81%).
The months with the lowest relative humidity are January and February (77%).
Average rainfall
Devinuwara, Sri Lanka
The wettest month (with the highest rainfall) is November (66mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days
Devinuwara, Sri Lanka
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
13.3 days - Average rainfall days in March:
16.3 days - Average rainfall days in April:
19.7 days - Average rainfall days in May:
15.6 days - Average rainfall days in June:
10.7 days
- Average rainfall days in July:
11.8 days - Average rainfall days in August:
12.3 days - Average rainfall days in September:
13.2 days - Average rainfall days in October:
17.5 days - Average rainfall days in November:
19.8 days - Average rainfall days in December:
17.5 days
The month with the highest number of rainy days is November (19.8 days).
The month with the least rainy days is June (10.7 days).
Average daylight / Average sunshine
Devinuwara, 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 24min - 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 54min - Average daylight in December:
11h and 48min
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 48min).
- Average sunshine in January:
8h and 54min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
9h and 42min - Average sunshine in May:
9h and 18min - Average sunshine in June:
8h and 54min
- Average sunshine in July:
8h and 30min - Average sunshine in August:
8h and 0min - Average sunshine in September:
8h and 36min - Average sunshine in October:
8h and 6min - Average sunshine in November:
7h and 30min - Average sunshine in December:
6h and 54min
The month with the most sunshine is April (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days
Devinuwara, Sri Lanka
- Average sunshine days in January:
16.5 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
12.8 days - Average sunshine days in April:
8.3 days - Average sunshine days in May:
13.5 days - Average sunshine days in June:
17.5 days
- Average sunshine days in July:
17.8 days - Average sunshine days in August:
16.8 days - Average sunshine days in September:
14.5 days - Average sunshine days in October:
11.5 days - Average sunshine days in November:
7.8 days - Average sunshine days in December:
11.2 days
The month with the most sunshine days is July (17.8 days).
The month with the least sunshine days is November (7.8 days).
Average UV index
Devinuwara, Sri Lanka
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover
Devinuwara, Sri Lanka
The month with the most cloud cover is June (Cloud cover 53).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility
Devinuwara, Sri Lanka
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
