Expand
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 is a tropical winter month in Avissawella, Sri Lanka, with an average temperature fluctuating between 30.8°C (87.4°F) and 23.1°C (73.6°F). Avissawella observes a minor difference in average high-temperatures between December's 29.9°C (85.8°F) and January's 30.8°C (87.4°F). Weather in January »
Weather in February
February, the last month of the winter in Avissawella, is another tropical month, with an average temperature fluctuating between 23.3°C (73.9°F) and 31.4°C (88.5°F). A minor adjustment in Avissawella's average high-temperature is noted with the start of February, touching a still hot 31.4°C (88.5°F) from January's 30.8°C (87.4°F). Weather in February »
Weather in March
March, the first month of the spring in Avissawella, is also a hot month, with an average temperature fluctuating between 31.8°C (89.2°F) and 24.3°C (75.7°F). The peak of Avissawella's temperatures is noted during March and April, averaging a high-temperature of 31.8°C (89.2°F). During March, the heat index is evaluated at a blistering 42°C (107.6°F). Weather in March »
Weather in April
April, like March, is a hot spring month in Avissawella, Sri Lanka, with an average temperature fluctuating between 25.8°C (78.4°F) and 31.8°C (89.2°F). March and April, when the average high-temperature reaches 31.8°C (89.2°F), are the warmest months. For April, the heat index is evaluated at a blistering 42°C (107.6°F). Weather in April »
Weather in May
May, the last month of the spring in Avissawella, is another tropical month, with an average temperature varying between 26.3°C (79.3°F) and 30.6°C (87.1°F). May's arrival brings an average high-temperature of a still tropical 30.6°C (87.1°F), demonstrating subtle variation from the preceding month. Weather in May »
Weather in June
June, the first month of the summer in Avissawella, is also a moderately hot month, with an average temperature ranging between max 29.3°C (84.7°F) and min 25.8°C (78.4°F). The shift into June finds Avissawella at an average high-temperature of a moderately hot 29.3°C (84.7°F), closely comparable to May's conditions. Weather in June »
Weather in July
July, like June, in Avissawella, Sri Lanka, is another warm summer month, with an average temperature fluctuating between 25.3°C (77.5°F) and 28.9°C (84°F). In Avissawella, Sri Lanka, the coldest period comes during July and August, when the average high-temperature touches 28.9°C (84°F). The heat index value for July is evaluated at a sweltering 35°C (95°F). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Avissawella, Sri Lanka, with temperature in the range of an average high of 28.9°C (84°F) and an average low of 25.2°C (77.4°F). During July and August, Avissawella experiences its lowest temperatures, averaging a high-temperature of 28.9°C (84°F). In August, the average heat index is evaluated at a fiery hot 35°C (95°F). Weather in August »
Weather in September
The first month of the autumn, September, is also a moderately hot month in Avissawella, Sri Lanka, with an average temperature varying between 29.1°C (84.4°F) and 24.9°C (76.8°F). In the transition from August to September, Avissawella reports an average high-temperature of a still moderately hot 29.1°C (84.4°F), indicating a close resemblance to the prior month. Weather in September »
Weather in October
October is a hot autumn month in Avissawella, Sri Lanka, with an average temperature varying between 30°C (86°F) and 25°C (77°F). The average high-temperature in October, at a tropical 30°C (86°F), reveals a modest deviation from September's 29.1°C (84.4°F). Weather in October »
Weather in November
November, the last month of the autumn in Avissawella, is also a hot month, with temperature in the range of an average high of 30.1°C (86.2°F) and an average low of 24.5°C (76.1°F). As Avissawella welcomes November, the average high-temperature stabilizes at a still hot 30.1°C (86.2°F), showing little deviation from October's 30°C (86°F). Weather in November »
Weather in December
The first month of the winter, December, is still a warm month in Avissawella, Sri Lanka, with an average temperature ranging between max 29.9°C (85.8°F) and min 23.7°C (74.7°F). December commences with an average high-temperature of a moderately hot 29.9°C (85.8°F), showing little deviation from November's 30.1°C (86.2°F). Weather in December »
Updated: Feb 6, 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 least humid month in Avissawella?
January and February, with an average relative humidity of 74%, are the least humid months in Avissawella, Sri Lanka.
What is the driest month in Avissawella?
January is the month with the least rainfall. Rain falls for 11.6 days and accumulates 40mm (1.57") of precipitation.
How many days does it rain in Avissawella?
In Avissawella, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.
What month has the most sunshine in Avissawella?
The month with the most sunshine in Avissawella, Sri Lanka, is January, with an average of 9.1h of sunshine.
What is the month with the highest UV index in Avissawella?
The months with the highest UV index in Avissawella are January through April, July, September, November and December, with an average maximum UV index of 7.
What is the warmest month in Avissawella?
March and April are characterised by peak temperatures, with an average high of 31.8°C (89.2°F).
What are the months with the lowest UV index in Avissawella?
The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6.
What are the most humid months in Avissawella?
June through August, with an average relative humidity of 83%, are most humid months.
What is the rainiest month in Avissawella?
The month with the most rainfall in Avissawella, Sri Lanka, is June, when the rain falls for 29.3 days and typically aggregates up to 341mm (13.43") of precipitation.
When are the longest days in Avissawella?
June has the longest days of the year in Avissawella, with an average of 12h and 30min of daylight.
What part of the year is the coldest in Avissawella?
In Avissawella, Sri Lanka, the months of July and August are known for the lowest temperatures, reaching an average high of 28.9°C (84°F).
What is the month with the least sunshine in Avissawella?
With an average of 6.7h of sunshine, November has the least sunshine of the year.
What is the month with the shortest days in Avissawella?
With an average of 11h and 42min of daylight, December has the shortest days of the year.
Is there Daylight Saving Time (DST) in Avissawella?
Avissawella does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
Average temperature
Avissawella, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.8°C).
The months with the lowest average high temperature are July and August (28.9°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 (23.1°C).
Average pressure
Avissawella, Sri Lanka
- Average pressure in January:
1011.6mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1008.6mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1008.7mbar - Average pressure in August:
1009.1mbar - Average pressure in September:
1009.8mbar - Average pressure in October:
1009.9mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.4mbar
The month with the highest atmospheric pressure is January (1011.6mbar).
The month with the lowest atmospheric pressure is May (1008.6mbar).
Average wind speed
Avissawella, Sri Lanka
- Average wind speed in January:
12.8km/h - Average wind speed in February:
9.9km/h - Average wind speed in March:
8km/h - Average wind speed in April:
8.6km/h - Average wind speed in May:
12.9km/h - Average wind speed in June:
15.1km/h
- Average wind speed in July:
14.1km/h - Average wind speed in August:
14.2km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
8.9km/h - Average wind speed in December:
11.5km/h
The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).
Average humidity
Avissawella, Sri Lanka
The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall
Avissawella, Sri Lanka
- Average rainfall in January:
40mm - Average rainfall in February:
47mm - Average rainfall in March:
66mm - Average rainfall in April:
137mm - Average rainfall in May:
306mm - Average rainfall in June:
341mm
- Average rainfall in July:
256mm - Average rainfall in August:
287mm - Average rainfall in September:
206mm - Average rainfall in October:
237mm - Average rainfall in November:
191mm - Average rainfall in December:
148mm
The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days
Avissawella, Sri Lanka
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
25.4 days - Average rainfall days in May:
28.8 days - Average rainfall days in June:
29.3 days
- Average rainfall days in July:
29.8 days - Average rainfall days in August:
30.2 days - Average rainfall days in September:
26.9 days - Average rainfall days in October:
27 days - Average rainfall days in November:
25.7 days - Average rainfall days in December:
21.1 days
The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).
Average daylight / Average sunshine
Avissawella, 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 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 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 0min - Average sunshine in September:
7h and 2min - Average sunshine in October:
7h and 4min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 5min
The month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days
Avissawella, Sri Lanka
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
2.6 days - Average sunshine days in May:
1.3 days - Average sunshine days in June:
0.3 days
- Average sunshine days in July:
0.4 days - Average sunshine days in August:
0.3 days - Average sunshine days in September:
1.5 days - Average sunshine days in October:
1.7 days - Average sunshine days in November:
3.6 days - Average sunshine days in December:
8.3 days
The month with the most sunshine days is January (17.2 days).
The months with the least sunshine days are June and August (0.3 days).
Average UV index
Avissawella, 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
Avissawella, 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 24).
Average visibility
Avissawella, Sri Lanka
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
