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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Climate and monthly weather forecast
Weather in January
January, like December, in Delduwa, Sri Lanka, is another warm winter month, with an average temperature ranging between max 29.2°C (84.6°F) and min 24°C (75.2°F). At the onset of January, Delduwa records an average high-temperature of a still moderately hot 29.2°C (84.6°F), showing little deviation from the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Delduwa, is another warm month, with an average temperature varying between 29.7°C (85.5°F) and 24.3°C (75.7°F). The arrival of February is marked by an average high-temperature of a still warm 29.7°C (85.5°F), bearing a close resemblance to January. Weather in February »
Weather in March
The first month of the spring, March, is a hot month in Delduwa, Sri Lanka, with temperature in the range of an average high of 30.3°C (86.5°F) and an average low of 25.3°C (77.5°F). The height of temperatures is seen during March and April, averaging a high-temperature of 30.3°C (86.5°F). March's heat index is estimated at a torrid 38°C (100.4°F). Weather in March »
Weather in April
April, the same as March, in Delduwa, Sri Lanka, is another tropical spring month, with temperature in the range of an average high of 30.3°C (86.5°F) and an average low of 26.4°C (79.5°F). In Delduwa, March and April are characterised by the peak of temperatures, recording an average high of 30.3°C (86.5°F). The heat index in April is estimated at a sweltering 38°C (100.4°F). Weather in April »
Weather in May
May, the last month of the spring in Delduwa, is also a moderately hot month, with temperature in the range of an average low of 26.7°C (80.1°F) and an average high of 29.5°C (85.1°F). The arrival of May is marked by an average high-temperature of a moderately hot 29.5°C (85.1°F), bearing a close resemblance to April. Weather in May »
Weather in June
June, the first month of the summer in Delduwa, is also a moderately hot month, with an average temperature fluctuating between 26.6°C (79.9°F) and 28.8°C (83.8°F). The introduction of June notes a subtle temperature variation to a still moderately hot 28.8°C (83.8°F) from May's 29.5°C (85.1°F). Weather in June »
Weather in July
July, like June, in Delduwa, Sri Lanka, is another warm summer month, with an average temperature ranging between min 26.2°C (79.2°F) and max 28.7°C (83.7°F). Delduwa's weather, upon July's arrival, documents an average high-temperature of a still moderately hot 28.7°C (83.7°F), nearly identical to the prior month. Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Delduwa, Sri Lanka, with an average temperature varying between 28.3°C (82.9°F) and 25.9°C (78.6°F). August and September are the coldest months, with an average high-temperature of 28.3°C (82.9°F). The heat index for August is estimated at a hot 33°C (91.4°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Delduwa, Sri Lanka, with an average temperature varying between 28.3°C (82.9°F) and 25.8°C (78.4°F). August and September represent the coldest period, with an average high-temperature of 28.3°C (82.9°F). September's average heat index is estimated at a hot 33°C (91.4°F). Weather in September »
Weather in October
October, like September, in Delduwa, Sri Lanka, is a moderately hot autumn month, with an average temperature fluctuating between 28.8°C (83.8°F) and 25.9°C (78.6°F). The advent of October observes an average high-temperature of a still moderately hot 28.8°C (83.8°F), nearly identical to September's 28.3°C (82.9°F). Weather in October »
Weather in November
November, the last month of the autumn in Delduwa, is another warm month, with an average temperature fluctuating between 25.3°C (77.5°F) and 29.2°C (84.6°F). The arrival of November marks a slight shift to an average high-temperature of a still moderately hot 29.2°C (84.6°F) from October's 28.8°C (83.8°F). Weather in November »
Weather in December
December, the first month of the winter in Delduwa, is also a moderately hot month, with an average temperature fluctuating between 28.9°C (84°F) and 24.8°C (76.6°F). December's beginning signals an average high-temperature of a still moderately hot 28.9°C (84°F), barely different from November's 29.2°C (84.6°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
What is the driest month?
January is the month with the least rainfall in Delduwa. Rain falls for 14.8 days and accumulates 38mm (1.5") of precipitation.
How much does it rain?
Throughout the year, in Delduwa, there are 286.9 rainfall days, and 1974mm (77.72") of precipitation is accumulated.
What is the month with the highest UV index?
January through April, June through August, October through December, with an average maximum UV index of 7, are months with the highest UV index in Delduwa.
What is the least humid month?
February and March, with an average relative humidity of 77%, are the least humid months.
What month is the hottest?
Delduwa sees its peak of temperatures during March and April, with an average high-temperature of 30.3°C (86.5°F).
What month has the most sunshine?
April has the most sunshine of the year, with an average of 9.3h of sunshine.
What is the rainiest month?
The month with the most rainfall is May, when the rain falls for 27.7 days and typically aggregates up to 302mm (11.89") of precipitation.
What are the months with the lowest UV index?
May and September, with an average maximum UV index of 6, are months with the lowest UV index.
What are the most humid months?
The months with the highest humidity in Delduwa are June and September, with an average relative humidity of 82%.
When are the longest days?
With an average of 12h and 30min of daylight, June has the longest days of the year in Delduwa.
What time of the year is the coldest?
During August and September, Delduwa registers its lowest temperatures, averaging a high of 28.3°C (82.9°F).
What is the month with the shortest days?
The month with the shortest days is December, with an average of 11h and 48min of daylight.
Is there Daylight Saving Time (DST)?
Delduwa does not utilize Daylight Saving Time (DST). +0530 timezone is used over the entire year.
What is the month with the least sunshine?
December has the least sunshine of the year, with an average of 7h of sunshine.
Average temperature
Delduwa, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (30.3°C).
The months with the lowest average high temperature are August and September (28.3°C).
The month with the highest average low temperature is May (26.7°C).
The coldest month (with the lowest average low temperature) is January (24°C).
Average pressure
Delduwa, 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:
1009.2mbar
- Average pressure in July:
1009.2mbar - Average pressure in August:
1009.6mbar - Average pressure in September:
1010.2mbar - Average pressure in October:
1010.2mbar - 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
Delduwa, Sri Lanka
- Average wind speed in January:
7.8km/h - Average wind speed in February:
8km/h - Average wind speed in March:
8.7km/h - Average wind speed in April:
10km/h - Average wind speed in May:
16.3km/h - Average wind speed in June:
20.2km/h
- Average wind speed in July:
19.9km/h - Average wind speed in August:
19.5km/h - Average wind speed in September:
17.3km/h - Average wind speed in October:
13.5km/h - Average wind speed in November:
9.8km/h - Average wind speed in December:
9.4km/h
The windiest month (with the highest average wind speed) is June (20.2km/h).
The calmest month (with the lowest average wind speed) is January (7.8km/h).
Average humidity
Delduwa, Sri Lanka
The months with the highest relative humidity are June and September (82%).
The months with the lowest relative humidity are February and March (77%).
Average rainfall
Delduwa, Sri Lanka
- Average rainfall in January:
38mm - Average rainfall in February:
50mm - Average rainfall in March:
68mm - Average rainfall in April:
134mm - Average rainfall in May:
302mm - Average rainfall in June:
250mm
- Average rainfall in July:
188mm - Average rainfall in August:
235mm - Average rainfall in September:
222mm - Average rainfall in October:
194mm - Average rainfall in November:
179mm - Average rainfall in December:
114mm
The wettest month (with the highest rainfall) is May (302mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days
Delduwa, Sri Lanka
- Average rainfall days in January:
14.8 days - Average rainfall days in February:
16.3 days - Average rainfall days in March:
21.3 days - Average rainfall days in April:
26.2 days - Average rainfall days in May:
27.7 days - Average rainfall days in June:
28 days
- Average rainfall days in July:
25.7 days - Average rainfall days in August:
27.7 days - Average rainfall days in September:
24.5 days - Average rainfall days in October:
26.3 days - Average rainfall days in November:
26.3 days - Average rainfall days in December:
22.1 days
The month with the highest number of rainy days is June (28 days).
The month with the least rainy days is January (14.8 days).
Average daylight / Average sunshine
Delduwa, Sri Lanka
- Average daylight in January:
11h and 5min - Average daylight in February:
11h and 5min - Average daylight in March:
12h and 1min - Average daylight in April:
12h and 2min - Average daylight in May:
12h and 2min - Average daylight in June:
12h and 3min
- Average daylight in July:
12h and 2min - Average daylight in August:
12h and 2min - Average daylight in September:
12h and 1min - Average daylight in October:
12h and 0min - Average daylight in November:
11h and 5min - Average daylight in December:
11h and 5min
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:
9h and 0min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 1min - Average sunshine in April:
9h and 2min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 1min
- Average sunshine in July:
8h and 2min - Average sunshine in August:
8h and 1min - Average sunshine in September:
8h and 3min - Average sunshine in October:
8h and 1min - Average sunshine in November:
7h and 1min - Average sunshine in December:
7h and 0min
The month with the most sunshine is April (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days
Delduwa, Sri Lanka
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
9.3 days - Average sunshine days in March:
6.9 days - Average sunshine days in April:
1.5 days - Average sunshine days in May:
1.4 days - Average sunshine days in June:
1 days
- Average sunshine days in July:
3.3 days - Average sunshine days in August:
2.3 days - Average sunshine days in September:
2.4 days - Average sunshine days in October:
1.7 days - Average sunshine days in November:
2.4 days - Average sunshine days in December:
6.4 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is June (1 days).
Average UV index
Delduwa, Sri Lanka
The months with the highest UV index are January, February, March, April, June, July, August, October, November and December (UV index 7).
The months with the lowest UV index are May and September (UV index 6).
Average cloud cover
Delduwa, Sri Lanka
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is February (Cloud cover 26).
Average visibility
Delduwa, Sri Lanka
The months with the highest visibility are January, February, March, April, June and December (10km).
The months with the lowest visibility are May, July, August, September, October and November (9km).
