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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 in Radawadunna, Sri Lanka, is a tropical winter month, with an average temperature varying between 30.8°C (87.4°F) and 22.8°C (73°F). As Radawadunna steps into January, the average high-temperature is measured at a hot 30.8°C (87.4°F), displaying minor differences from December's 29.9°C (85.8°F). Weather in January »
Weather in February
The last month of the winter, February, is another tropical month in Radawadunna, Sri Lanka, with an average temperature ranging between min 23.1°C (73.6°F) and max 31.7°C (89.1°F). Radawadunna observes an average high-temperature of a still hot 31.7°C (89.1°F) in February, barely different from 30.8°C (87.4°F) in January. Weather in February »
Weather in March
The first month of the spring, March, is still a tropical month in Radawadunna, Sri Lanka, with an average temperature varying between 24.5°C (76.1°F) and 32.1°C (89.8°F). March, with average temperatures reaching a high of 32.1°C (89.8°F) and a low of 24.5°C (76.1°F), is the warmest month. March's heat index is evaluated at a scorching 43°C (109.4°F). Weather in March »
Weather in April
April, the same as March, in Radawadunna, Sri Lanka, is another hot spring month, with an average temperature ranging between min 26°C (78.8°F) and max 32°C (89.6°F). Entering April, Radawadunna's average high-temperature reads a still hot 32°C (89.6°F), indicating a close resemblance to the previous month's climate. Weather in April »
Weather in May
May, the last month of the spring in Radawadunna, is another tropical month, with an average temperature varying between 30.8°C (87.4°F) and 26.4°C (79.5°F). The transition from April to May sees an average high-temperature of a still hot 30.8°C (87.4°F), indicating a minor variance from the prior month. Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Radawadunna, Sri Lanka, with an average temperature varying between 29.6°C (85.3°F) and 25.9°C (78.6°F). The average high-temperature in June, at a moderately hot 29.6°C (85.3°F), reveals a modest deviation from May's 30.8°C (87.4°F). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Radawadunna, Sri Lanka, with an average temperature ranging between min 25.5°C (77.9°F) and max 29.2°C (84.6°F). Radawadunna records the coldest temperatures in July, averaging a high of 29.2°C (84.6°F) and a low of 25.5°C (77.9°F). The heat index value for July is evaluated at a sweltering 36°C (96.8°F). Weather in July »
Weather in August
August, the last month of the summer in Radawadunna, is also a moderately hot month, with temperature in the range of an average low of 25.4°C (77.7°F) and an average high of 29.3°C (84.7°F). August's beginning signals an average high-temperature of a still warm 29.3°C (84.7°F), barely different from July's 29.2°C (84.6°F). Weather in August »
Weather in September
September, the first month of the autumn in Radawadunna, is also a moderately hot month, with an average temperature ranging between max 29.5°C (85.1°F) and min 25.2°C (77.4°F). The arrival of September coincides with an average high-temperature of a still warm 29.5°C (85.1°F), indicating a minimal shift from August's 29.3°C (84.7°F). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Radawadunna, Sri Lanka, with an average temperature ranging between min 25.1°C (77.2°F) and max 29.9°C (85.8°F). The arrival of October is marked by an average high-temperature of a still warm 29.9°C (85.8°F), bearing a close resemblance to September. Weather in October »
Weather in November
November, the last month of the autumn in Radawadunna, is a tropical month, with an average temperature fluctuating between 30.2°C (86.4°F) and 24.5°C (76.1°F). Radawadunna records an average high-temperature of a tropical 30.2°C (86.4°F) in November, maintaining a close correlation with October's 29.9°C (85.8°F). Weather in November »
Weather in December
December, the first month of the winter in Radawadunna, is still a warm month, with an average temperature fluctuating between 23.7°C (74.7°F) and 29.9°C (85.8°F). Radawadunna starts December with an average high-temperature of a warm 29.9°C (85.8°F), hinting at a minimal fluctuation from November. Weather in December »
Updated: Jul 25, 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 are the least humid months?
The months with the lowest humidity are January and February, with an average relative humidity of 73%.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 9.7 days and typically collects 29mm (1.14") of precipitation.
How much does it rain?
In Radawadunna, during the entire year, the rain falls for 265.4 days and collects up to 1744mm (68.66") of precipitation.
What is the month with the most sunshine?
The months with the most sunshine are January through April, with an average of 9.2h of sunshine.
When is the highest UV index?
The months with the highest UV index are January through April, July, September, November and December, with an average maximum UV index of 7.
What month is the hottest?
The average temperatures reach their apex in March, averaging 32.1°C (89.8°F) at the high end and 24.5°C (76.1°F) at the low end.
What are the months with the lowest UV index?
The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6.
What is the most humid month?
The months with the highest humidity are June through August, with an average relative humidity of 82%.
What is the rainiest month?
The month with the most rainfall is June, when the rain falls for 27.6 days and typically aggregates up to 231mm (9.09") of precipitation.
When are the longest days in Radawadunna?
June has the longest days of the year, with an average of 12h and 30min of daylight.
What is the coldest time of year?
With its average high temperature of 29.2°C (84.6°F) and a low of 25.5°C (77.9°F), July is regarded as the coldest month.
What is the month with the least sunshine?
With an average of 6.6h of sunshine, November has the least sunshine of the year in Radawadunna.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 11h and 42min of daylight.
Is there Daylight Saving Time (DST)?
Radawadunna, Sri Lanka, does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
Average temperature
Radawadunna, Sri Lanka
The warmest month (with the highest average high temperature) is March (32.1°C).
The month with the lowest average high temperature is July (29.2°C).
The month with the highest average low temperature is May (26.4°C).
The coldest month (with the lowest average low temperature) is January (22.8°C).
Average pressure
Radawadunna, Sri Lanka
- Average pressure in January:
1011.7mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1009.6mbar - Average pressure in May:
1008.4mbar - Average pressure in June:
1008.4mbar
- Average pressure in July:
1008.5mbar - Average pressure in August:
1008.8mbar - Average pressure in September:
1009.6mbar - Average pressure in October:
1009.9mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.5mbar
The month with the highest atmospheric pressure is January (1011.7mbar).
The months with the lowest atmospheric pressure are May and June (1008.4mbar).
Average wind speed
Radawadunna, Sri Lanka
- Average wind speed in January:
16.2km/h - Average wind speed in February:
12.9km/h - Average wind speed in March:
9.1km/h - Average wind speed in April:
10km/h - Average wind speed in May:
15.5km/h - Average wind speed in June:
18.3km/h
- Average wind speed in July:
17.1km/h - Average wind speed in August:
17km/h - Average wind speed in September:
16km/h - Average wind speed in October:
11.8km/h - Average wind speed in November:
10.3km/h - Average wind speed in December:
14.1km/h
The windiest month (with the highest average wind speed) is June (18.3km/h).
The calmest month (with the lowest average wind speed) is March (9.1km/h).
Average humidity
Radawadunna, Sri Lanka
The months with the highest relative humidity are June, July and August (82%).
The months with the lowest relative humidity are January and February (73%).
Average rainfall
Radawadunna, Sri Lanka
- Average rainfall in January:
29mm - Average rainfall in February:
36mm - Average rainfall in March:
55mm - Average rainfall in April:
112mm - Average rainfall in May:
204mm - Average rainfall in June:
231mm
- Average rainfall in July:
177mm - Average rainfall in August:
210mm - Average rainfall in September:
153mm - Average rainfall in October:
224mm - Average rainfall in November:
174mm - Average rainfall in December:
139mm
The wettest month (with the highest rainfall) is June (231mm).
The driest month (with the least rainfall) is January (29mm).
Average rainfall days
Radawadunna, Sri Lanka
- Average rainfall days in January:
9.7 days - Average rainfall days in February:
10.2 days - Average rainfall days in March:
18.2 days - Average rainfall days in April:
23.4 days - Average rainfall days in May:
26.3 days - Average rainfall days in June:
27.6 days
- Average rainfall days in July:
27.7 days - Average rainfall days in August:
28.4 days - Average rainfall days in September:
24.4 days - Average rainfall days in October:
25.9 days - Average rainfall days in November:
23.3 days - Average rainfall days in December:
20.3 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.7 days).
Average daylight / Average sunshine
Radawadunna, 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 3min - Average daylight in June:
12h and 3min
- Average daylight in July:
12h and 3min - 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 4min
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:
9h and 1min - Average sunshine in February:
9h and 1min - Average sunshine in March:
9h and 1min - Average sunshine in April:
9h and 1min - Average sunshine in May:
8h and 5min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
8h and 0min - Average sunshine in August:
7h and 3min - Average sunshine in September:
7h and 4min - Average sunshine in October:
7h and 5min - Average sunshine in November:
6h and 4min - Average sunshine in December:
7h and 0min
The months with the most sunshine are January, February, March and April (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 36min).
Average sunshine days
Radawadunna, Sri Lanka
- Average sunshine days in January:
20 days - Average sunshine days in February:
16.5 days - Average sunshine days in March:
10.4 days - Average sunshine days in April:
4.6 days - Average sunshine days in May:
3.6 days - Average sunshine days in June:
1.7 days
- Average sunshine days in July:
2.1 days - Average sunshine days in August:
1.2 days - Average sunshine days in September:
3 days - Average sunshine days in October:
3.3 days - Average sunshine days in November:
6.3 days - Average sunshine days in December:
9.5 days
The month with the most sunshine days is January (20 days).
The month with the least sunshine days is August (1.2 days).
Average UV index
Radawadunna, Sri Lanka
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover
Radawadunna, Sri Lanka
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 21).
Average visibility
Radawadunna, Sri Lanka
The months with the highest visibility are January, February, March, April, June, July, September and December (10km).
The months with the lowest visibility are May, August, October and November (9km).
