Climate and monthly weather forecastAranayaka, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, like December, in Aranayaka, Sri Lanka, is a moderately hot winter month, with temperature in the range of an average high of 28.3°C (82.9°F) and an average low of 18.2°C (64.8°F). The shift into January uncovers an average high-temperature of a still moderately hot 28.3°C (82.9°F), subtly different from the previous month. Weather in January »Weather in February
February, the last month of the winter in Aranayaka, is another warm month, with an average temperature fluctuating between 18.1°C (64.6°F) and 29.7°C (85.5°F). Aranayaka registers an average high-temperature of a still moderately hot 29.7°C (85.5°F) at the commencement of February, closely related to the preceding month. Weather in February »Weather in March
The first month of the spring, March, is a hot month in Aranayaka, Sri Lanka, with an average temperature ranging between max 31.5°C (88.7°F) and min 19.2°C (66.6°F). In Aranayaka, Sri Lanka, the highest average temperatures are observed in March, with a high of 31.5°C (88.7°F) and a low of 19.2°C (66.6°F). March's mean heat index is appraised at a scorching 40°C (104°F). Weather in March »Weather in April
April, like March, is a hot spring month in Aranayaka, Sri Lanka, with an average temperature fluctuating between 20.8°C (69.4°F) and 31.2°C (88.2°F). With the start of April, Aranayaka measures an average high-temperature of a still tropical 31.2°C (88.2°F), not significantly differing from March's 31.5°C (88.7°F). Weather in April »Weather in May
The last month of the spring, May, is another hot month in Aranayaka, Sri Lanka, with an average temperature varying between 30.1°C (86.2°F) and 21.8°C (71.2°F). The advent of May brings an average high-temperature of a still tropical 30.1°C (86.2°F), almost identical to the preceding month. Weather in May »Weather in June
June, the first month of the summer in Aranayaka, is still a warm month, with an average temperature fluctuating between 21.8°C (71.2°F) and 29.3°C (84.7°F). June's presence marks an average high-temperature of a moderately hot 29.3°C (84.7°F), subtly varied from May's 30.1°C (86.2°F). Weather in June »Weather in July
July, the same as June, is another warm summer month in Aranayaka, Sri Lanka, with an average temperature fluctuating between 29.3°C (84.7°F) and 21.4°C (70.5°F). In moving from June to July, Aranayaka's high-temperature average of a still warm 29.3°C (84.7°F) remains consistent with the preceding month. Weather in July »Weather in August
August, the last month of the summer in Aranayaka, is another warm month, with an average temperature ranging between min 21.2°C (70.2°F) and max 29.2°C (84.6°F). The arrival of August records an average high-temperature of a still moderately hot 29.2°C (84.6°F), closely related to the 29.3°C (84.7°F) observed in July. Weather in August »Weather in September
The first month of the autumn, September, is also a moderately hot month in Aranayaka, Sri Lanka, with an average temperature ranging between min 21.1°C (70°F) and max 29.5°C (85.1°F). The start of September sees the average high-temperature at a still warm 29.5°C (85.1°F), showing little difference from August's 29.2°C (84.6°F). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Aranayaka, Sri Lanka, with an average temperature fluctuating between 29.4°C (84.9°F) and 20.7°C (69.3°F). The ushering in of October brings an average high-temperature of a still moderately hot 29.4°C (84.9°F), closely mirroring the 29.5°C (85.1°F) of September. Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in Aranayaka, Sri Lanka, with an average temperature ranging between min 20.1°C (68.2°F) and max 28.3°C (82.9°F). The arrival of November sees a recorded average high-temperature of a still moderately hot 28.3°C (82.9°F), showing little divergence from the previous month's conditions. Weather in November »Weather in December
The first month of the winter, December, is still a warm month in Aranayaka, Sri Lanka, with an average temperature ranging between max 27.5°C (81.5°F) and min 19.5°C (67.1°F). Aranayaka's December weather, with an average high temperature of 27.5°C (81.5°F) and an average low temperature of 19.5°C (67.1°F), tends to be the coldest of the year. The heat index value for December is appraised at a tropical 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
The month with the least rainfall is January, when the rain falls for 14.1 days and typically collects 38mm (1.5") of precipitation.
Throughout the year, there are 278.4 rainfall days, and 1466mm (57.72") of precipitation is accumulated.
The months with the highest UV index in Aranayaka are January through September, November and December, with an average maximum UV index of 6.
The average temperatures in Aranayaka reach their apex in March, averaging 31.5°C (88.7°F) at the high end and 19.2°C (66.6°F) at the low end.
March is the least humid month in Aranayaka, Sri Lanka, with an average relative humidity of 74%.
The month with the longest days in Aranayaka, Sri Lanka, is June, with an average of 12h and 30min of daylight.
With an average of 10.8h of sunshine, June has the most sunshine of the year in Aranayaka.
The month with the most rainfall in Aranayaka, Sri Lanka, is October, when the rain falls for 27.4 days and typically aggregates up to 301mm (11.85") of precipitation.
October is the month with the lowest UV index in Aranayaka, Sri Lanka, with an average maximum UV index of 5.
Aranayaka's December weather, marked by an average high temperature of 27.5°C (81.5°F) and an average low temperature of 19.5°C (67.1°F), is the coldest in the year.
December is the most humid month in Aranayaka, with an average relative humidity of 84%.
December has the shortest days of the year, with an average of 11h and 42min of daylight.
Aranayaka does not utilize Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
December has the least sunshine of the year, with an average of 5.7h of sunshine.
Average temperature
Aranayaka, 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
Aranayaka, 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
Aranayaka, 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
Aranayaka, Sri Lanka
The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).
Average rainfall
Aranayaka, 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
Aranayaka, 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
Aranayaka, 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 30min - 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 48min - Average daylight in December:
11h and 42min
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 30min - Average sunshine in February:
8h and 42min - Average sunshine in March:
8h and 54min - Average sunshine in April:
9h and 24min - Average sunshine in May:
10h and 24min - Average sunshine in June:
10h and 48min
- Average sunshine in July:
10h and 12min - Average sunshine in August:
8h and 42min - Average sunshine in September:
10h and 18min - Average sunshine in October:
7h and 54min - Average sunshine in November:
6h and 48min - Average sunshine in December:
5h and 42min
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
Aranayaka, 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
Aranayaka, 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
Aranayaka, 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
Aranayaka, 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).
