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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 Haliyadda, Sri Lanka, is another warm winter month, with an average temperature varying between 18.2°C (64.8°F) and 28.3°C (82.9°F). Haliyadda experiences a subtle adjustment in high-temperatures to a still warm 28.3°C (82.9°F) with the onset of January, maintaining near parity with December's 27.5°C (81.5°F). Weather in January »
Weather in February
February, the last month of the winter in Haliyadda, is another warm month, with an average temperature fluctuating between 29.7°C (85.5°F) and 18.1°C (64.6°F). The shift to February signals an average high-temperature of a still moderately hot 29.7°C (85.5°F), subtly varied from January's 28.3°C (82.9°F). Weather in February »
Weather in March
March, the first month of the spring in Haliyadda, is a tropical month, with an average temperature varying between 19.2°C (66.6°F) and 31.5°C (88.7°F). March temperatures tend to peak at an average high of 31.5°C (88.7°F) and dip to a low of 19.2°C (66.6°F). The average heat index in March is calculated to be a blistering 40°C (104°F). Weather in March »
Weather in April
April, the same as March, in Haliyadda, 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). In April, Haliyadda's weather conditions record an average high-temperature of a still tropical 31.2°C (88.2°F), demonstrating little divergence from the preceding month. Weather in April »
Weather in May
The last month of the spring, May, is also a hot month in Haliyadda, Sri Lanka, with temperature in the range of an average high of 30.1°C (86.2°F) and an average low of 21.8°C (71.2°F). Haliyadda notes an average high-temperature of a still hot 30.1°C (86.2°F) in May, displaying minor variation from April. Weather in May »
Weather in June
June, the first month of the summer in Haliyadda, is also a moderately hot month, with an average temperature fluctuating between 29.3°C (84.7°F) and 21.8°C (71.2°F). The introduction of June notes a subtle temperature variation to a warm 29.3°C (84.7°F) from May's 30.1°C (86.2°F). Weather in June »
Weather in July
July, like June, in Haliyadda, Sri Lanka, is another warm summer month, with temperature in the range of an average low of 21.4°C (70.5°F) and an average high of 29.3°C (84.7°F). The introduction of July brings an average high temperature of a still moderately hot 29.3°C (84.7°F), mirroring the readings of the previous month. Weather in July »
Weather in August
August, the last month of the summer in Haliyadda, is another warm month, with an average temperature ranging between max 29.2°C (84.6°F) and min 21.2°C (70.2°F). The advent of August brings an average high-temperature of a still moderately hot 29.2°C (84.6°F), almost identical to the preceding month. Weather in August »
Weather in September
September, the first month of the autumn in Haliyadda, is also a moderately hot month, with an average temperature ranging between max 29.5°C (85.1°F) and min 21.1°C (70°F). At the onset of September, Haliyadda records an average high-temperature of a still warm 29.5°C (85.1°F), showing little deviation from the preceding month. Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Haliyadda, Sri Lanka, with an average temperature varying between 29.4°C (84.9°F) and 20.7°C (69.3°F). October's presence marks an average high-temperature of a still warm 29.4°C (84.9°F), subtly varied from September's 29.5°C (85.1°F). Weather in October »
Weather in November
November, the last month of the autumn in Haliyadda, is also a moderately hot month, with an average temperature fluctuating between 28.3°C (82.9°F) and 20.1°C (68.2°F). The advent of November brings an average high-temperature of a still moderately hot 28.3°C (82.9°F), exhibiting minor difference from the previous month. Weather in November »
Weather in December
The first month of the winter, December, is also a moderately hot month in Haliyadda, Sri Lanka, with an average temperature ranging between max 27.5°C (81.5°F) and min 19.5°C (67.1°F). Temperature readings reach their annual highs in December, averaging 27.5°C (81.5°F) and a minimum average of 19.5°C (67.1°F). December's average heat index is calculated to be a hot 31°C (87.8°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 driest month in Haliyadda?
The month with the least rainfall in Haliyadda, Sri Lanka, is January, when the rain falls for 14.1 days and typically collects 38mm (1.5") of precipitation.
How much does it rain in Haliyadda?
Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.
What is the month with the highest UV index in Haliyadda?
January through September, November and December, with an average maximum UV index of 6, are months with the highest UV index.
What time of the year is the hottest in Haliyadda?
March temperatures in Haliyadda tend to peak at an average high of 31.5°C (88.7°F) and dip to a low of 19.2°C (66.6°F).
What is the least humid month in Haliyadda?
With an average relative humidity of 74%, March is the least humid month in Haliyadda.
When are the longest days in Haliyadda?
The month with the longest days is June, with an average of 12h and 30min of daylight.
What month has the most sunshine in Haliyadda?
The month with the most sunshine is June, with an average of 10.8h of sunshine.
What is the rainiest month in Haliyadda?
The month with the most rainfall in Haliyadda, Sri Lanka, is October, when the rain falls for 27.4 days and typically aggregates up to 301mm (11.85") of precipitation.
What is the month with the lowest UV index in Haliyadda?
October is the month with the lowest UV index in Haliyadda, with an average maximum UV index of 5.
What time of the year is the coldest in Haliyadda?
In Haliyadda, December records the average lowest temperatures, peaking at 27.5°C (81.5°F) and reaching a low of 19.5°C (67.1°F).
What is the most humid month in Haliyadda?
With an average relative humidity of 84%, December is the most humid month.
What is the month with the shortest days in Haliyadda?
With an average of 11h and 42min of daylight, December has the shortest days of the year in Haliyadda, Sri Lanka.
Is there Daylight Saving Time (DST) in Haliyadda?
Haliyadda does not utilize Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
What is the month with the least sunshine in Haliyadda?
December has the least sunshine of the year in Haliyadda, Sri Lanka, with an average of 5.7h of sunshine.
Average temperature
Haliyadda, 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
Haliyadda, 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
Haliyadda, 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
Haliyadda, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Haliyadda, 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
Haliyadda, 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
Haliyadda, 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:
8h and 3min - Average sunshine in February:
8h and 4min - Average sunshine in March:
8h and 5min - Average sunshine in April:
9h and 2min - Average sunshine in May:
10h and 2min - Average sunshine in June:
10h and 5min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
8h and 4min - Average sunshine in September:
10h and 2min - Average sunshine in October:
7h and 5min - Average sunshine in November:
6h and 5min - Average sunshine in December:
5h and 4min
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
Haliyadda, 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
Haliyadda, 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
Haliyadda, 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
Haliyadda, 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).
