Climate and monthly weather forecastAriyalai, Sri Lanka
Climate and monthly weather forecast
Weather in January
January, like December, in Ariyalai, Sri Lanka, is a moderately hot winter month, with an average temperature ranging between max 26.8°C (80.2°F) and min 25.5°C (77.9°F). The coldest month is January, with an average high-temperature of 26.8°C (80.2°F) and an average low-temperature of 25.5°C (77.9°F). Weather in January »Weather in February
February, the last month of the winter in Ariyalai, is another warm month, with temperature in the range of an average high of 27.4°C (81.3°F) and an average low of 25.7°C (78.3°F). Ariyalai starts February with an average high-temperature of a still warm 27.4°C (81.3°F), hinting at a minimal fluctuation from January. Weather in February »Weather in March
March, the first month of the spring in Ariyalai, is still a warm month, with an average temperature fluctuating between 26.7°C (80.1°F) and 29.3°C (84.7°F). With the onset of March, a modest change to a still warm 29.3°C (84.7°F) from February's 27.4°C (81.3°F) is noted in high-temperature. Weather in March »Weather in April
April is a hot spring month in Ariyalai, Sri Lanka, with an average temperature ranging between min 28.1°C (82.6°F) and max 30.4°C (86.7°F). In Ariyalai, the average temperatures in April are the highest, with a peak at 30.4°C (86.7°F) and a low of 28.1°C (82.6°F). The average heat index in April is computed to be a torrid 38°C (100.4°F). Weather in April »Weather in May
May, the last month of the spring in Ariyalai, is another tropical month, with an average temperature fluctuating between 29°C (84.2°F) and 30.3°C (86.5°F). With the advent of May, Ariyalai's high-temperatures adjust to a still hot 30.3°C (86.5°F), closely aligning with the preceding month. Weather in May »Weather in June
The first month of the summer, June, is still a warm month in Ariyalai, Sri Lanka, with an average temperature varying between 28.4°C (83.1°F) and 29.7°C (85.5°F). During June, Ariyalai observes a subtle ascent to a warm 29.7°C (85.5°F) from May's 30.3°C (86.5°F) in the average high-temperature. Weather in June »Weather in July
July, the same as June, is a moderately hot summer month in Ariyalai, Sri Lanka, with an average temperature fluctuating between 27.9°C (82.2°F) and 29°C (84.2°F). Ariyalai records an average high-temperature of a still warm 29°C (84.2°F) in July, closely mirroring the climate of the previous month. Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Ariyalai, Sri Lanka, with an average temperature ranging between min 27.4°C (81.3°F) and max 28.8°C (83.8°F). Ariyalai notes an average high-temperature of a still moderately hot 28.8°C (83.8°F) in August, displaying minor variation from July. Weather in August »Weather in September
September, the first month of the autumn in Ariyalai, is still a warm month, with an average temperature ranging between min 27.5°C (81.5°F) and max 28.8°C (83.8°F). In September, Ariyalai's weather conditions record an average high-temperature of a still moderately hot 28.8°C (83.8°F), aligned with the preceding month. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Ariyalai, Sri Lanka, with an average temperature ranging between min 27.7°C (81.9°F) and max 29.2°C (84.6°F). As September transitions into October, Ariyalai records an average high-temperature of a still moderately hot 29.2°C (84.6°F), showing a gentle shift from the preceding month. Weather in October »Weather in November
The last month of the autumn, November, is also a moderately hot month in Ariyalai, Sri Lanka, with an average temperature fluctuating between 26.9°C (80.4°F) and 28.4°C (83.1°F). Ariyalai's shift into November is marked by a subtle change to a still moderately hot 28.4°C (83.1°F) from October's 29.2°C (84.6°F) in temperature. Weather in November »Weather in December
The first month of the winter, December, is also a moderately hot month in Ariyalai, Sri Lanka, with an average temperature fluctuating between 27.5°C (81.5°F) and 26.1°C (79°F). The advent of December denotes an average high-temperature of a still moderately hot 27.5°C (81.5°F), subtly different from November's 28.4°C (83.1°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
January is the coldest month in Ariyalai, exhibiting average temperatures of 26.8°C (80.2°F) at the peak and 25.5°C (77.9°F) at the base.
In Ariyalai, during the entire year, the rain falls for 148.6 days and collects up to 769mm (30.28") of precipitation.
January through October and December, with an average maximum UV index of 7, are months with the highest UV index.
The least humid month is March, with an average relative humidity of 75%.
The month with the least rainfall is March, when the rain falls for 5.8 days and typically collects 13mm (0.51") of precipitation.
In Ariyalai, Sri Lanka, the average highest temperatures are observed in April, with a high of 30.4°C (86.7°F) and a low of 28.1°C (82.6°F).
The months with the highest humidity in Ariyalai are May, August and September, with an average relative humidity of 79%.
The month with the longest days is June, with an average of 12h and 42min of daylight.
With an average of 11.6h of sunshine, June has the most sunshine of the year in Ariyalai, Sri Lanka.
The month with the most rainfall in Ariyalai is October, when the rain falls for 22.6 days and typically aggregates up to 191mm (7.52") of precipitation.
November is the month with the lowest UV index in Ariyalai, with an average maximum UV index of 6.
The month with the shortest days in Ariyalai, Sri Lanka, is December, with an average of 11h and 36min of daylight.
Ariyalai does not observe Daylight Saving Time (DST). +0530 timezone is used over the entire year.
The month with the least sunshine in Ariyalai is December, with an average of 5.5h of sunshine.
Average temperature
Ariyalai, Sri Lanka
The warmest month (with the highest average high temperature) is April (30.4°C).
The month with the lowest average high temperature is January (26.8°C).
The month with the highest average low temperature is May (29°C).
The coldest month (with the lowest average low temperature) is January (25.5°C).
Average pressure
Ariyalai, Sri Lanka
- Average pressure in January:
1012.5mbar - Average pressure in February:
1011.9mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1008.8mbar - Average pressure in May:
1006.5mbar - Average pressure in June:
1005.9mbar
- Average pressure in July:
1006.2mbar - Average pressure in August:
1006.6mbar - Average pressure in September:
1007.6mbar - Average pressure in October:
1008.9mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.9mbar
The month with the highest atmospheric pressure is January (1012.5mbar).
The month with the lowest atmospheric pressure is June (1005.9mbar).
Average wind speed
Ariyalai, Sri Lanka
- Average wind speed in January:
22.9km/h - Average wind speed in February:
20.3km/h - Average wind speed in March:
16.7km/h - Average wind speed in April:
16.7km/h - Average wind speed in May:
28.5km/h - Average wind speed in June:
33.8km/h
- Average wind speed in July:
29.6km/h - Average wind speed in August:
28.7km/h - Average wind speed in September:
28.3km/h - Average wind speed in October:
19.6km/h - Average wind speed in November:
19.2km/h - Average wind speed in December:
23.1km/h
The windiest month (with the highest average wind speed) is June (33.8km/h).
The calmest months (with the lowest average wind speed) are March and April (16.7km/h).
Average humidity
Ariyalai, Sri Lanka
The months with the highest relative humidity are May, August and September (79%).
The month with the lowest relative humidity is March (75%).
Average rainfall
Ariyalai, Sri Lanka
The wettest month (with the highest rainfall) is October (191mm).
The driest month (with the least rainfall) is March (13mm).
Average rainfall days
Ariyalai, Sri Lanka
- Average rainfall days in January:
11.2 days - Average rainfall days in February:
6.6 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
7.5 days - Average rainfall days in May:
6.9 days - Average rainfall days in June:
6.9 days
- Average rainfall days in July:
10.3 days - Average rainfall days in August:
13.1 days - Average rainfall days in September:
15.5 days - Average rainfall days in October:
22.6 days - Average rainfall days in November:
22.2 days - Average rainfall days in December:
20 days
The month with the highest number of rainy days is October (22.6 days).
The month with the least rainy days is March (5.8 days).
Average daylight / Average sunshine
Ariyalai, Sri Lanka
- Average daylight in January:
11h and 36min - Average daylight in February:
11h and 48min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 18min - Average daylight in May:
12h and 36min - Average daylight in June:
12h and 42min
- Average daylight in July:
12h and 36min - Average daylight in August:
12h and 24min - Average daylight in September:
12h and 12min - Average daylight in October:
11h and 54min - Average daylight in November:
11h and 42min - Average daylight in December:
11h and 36min
The month with the longest days is June (Average daylight: 12h and 42min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in January:
8h and 30min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 36min - Average sunshine in April:
10h and 30min - Average sunshine in May:
11h and 30min - Average sunshine in June:
11h and 36min
- Average sunshine in July:
11h and 18min - Average sunshine in August:
9h and 24min - Average sunshine in September:
10h and 12min - Average sunshine in October:
8h and 30min - Average sunshine in November:
5h and 54min - Average sunshine in December:
5h and 30min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days
Ariyalai, Sri Lanka
- Average sunshine days in January:
15.4 days - Average sunshine days in February:
19 days - Average sunshine days in March:
23.9 days - Average sunshine days in April:
22 days - Average sunshine days in May:
23.7 days - Average sunshine days in June:
22.6 days
- Average sunshine days in July:
19.8 days - Average sunshine days in August:
17.7 days - Average sunshine days in September:
13.8 days - Average sunshine days in October:
7.5 days - Average sunshine days in November:
6.3 days - Average sunshine days in December:
7 days
The month with the most sunshine days is March (23.9 days).
The month with the least sunshine days is November (6.3 days).
Average UV index
Ariyalai, Sri Lanka
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 7).
The month with the lowest UV index is November (UV index 6).
Average cloud cover
Ariyalai, Sri Lanka
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is March (Cloud cover 16).
Average visibility
Ariyalai, Sri Lanka
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
