Climate and monthly weather forecast
Kalawana, Sri Lanka

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Weather in January

January, the same as December, is a moderately hot winter month in Kalawana, Sri Lanka, with an average temperature varying between 18.8°C (65.8°F) and 29.3°C (84.7°F). Transitioning into January, Kalawana experiences an average high-temperature of a still moderately hot 29.3°C (84.7°F), marking a minor shift from the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is a hot month in Kalawana, Sri Lanka, with temperature in the range of an average high of 30.7°C (87.3°F) and an average low of 18.7°C (65.7°F). A minimal variation is noted in Kalawana's average high-temperature at the onset of February, reaching a tropical 30.7°C (87.3°F) from January's 29.3°C (84.7°F). Weather in February »

Weather in March

March, the first month of the spring in Kalawana, is still a tropical month, with an average temperature fluctuating between 31.1°C (88°F) and 19.7°C (67.5°F). March, on average, is the warmest month, registering a high temperature of 31.1°C (88°F) and a low of 19.7°C (67.5°F). The average heat index in March is estimated at an extremely hot 42°C (107.6°F). Weather in March »

Weather in April

April, the same as March, in Kalawana, Sri Lanka, is a hot spring month, with temperature in the range of an average high of 30°C (86°F) and an average low of 21.1°C (70°F). The advent of April observes an average high-temperature of a still tropical 30°C (86°F), nearly identical to March's 31.1°C (88°F). Weather in April »

Weather in May

May, the last month of the spring in Kalawana, is also a moderately hot month, with an average temperature varying between 21.8°C (71.2°F) and 28.3°C (82.9°F). The beginning of May records an average high-temperature of a warm 28.3°C (82.9°F), almost echoing the conditions of the previous month. Weather in May »

Weather in June

June, the first month of the summer in Kalawana, is still a warm month, with an average temperature ranging between max 27.3°C (81.1°F) and min 21.8°C (71.2°F). Lowest temperatures are observed in June and July, averaging a high-temperature of 27.3°C (81.1°F). June's average heat index is estimated at a hot 31°C (87.8°F). Weather in June »

Weather in July

July, the same as June, is a moderately hot summer month in Kalawana, Sri Lanka, with an average temperature fluctuating between 27.3°C (81.1°F) and 21.3°C (70.3°F). June and July are characterised by lowest temperatures, with an average high of 27.3°C (81.1°F). In July, the average heat index is estimated at a tropical 31°C (87.8°F). Weather in July »

Weather in August

August, the last month of the summer in Kalawana, is another warm month, with temperature in the range of an average high of 27.5°C (81.5°F) and an average low of 20.8°C (69.4°F). The average high-temperature during August registers at a still moderately hot 27.5°C (81.5°F), closely corresponding to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Kalawana, is also a moderately hot month, with temperature in the range of an average high of 27.5°C (81.5°F) and an average low of 20.9°C (69.6°F). Kalawana documents a high-temperature average of a still warm 27.5°C (81.5°F) in September, reflecting no change from August. Weather in September »

Weather in October

October, like September, in Kalawana, Sri Lanka, is another warm autumn month, with an average temperature fluctuating between 20.8°C (69.4°F) and 28.5°C (83.3°F). The start of October marks an average high-temperature of a still moderately hot 28.5°C (83.3°F), hardly distinguishable from the conditions in September. Weather in October »

Weather in November

November, the last month of the autumn in Kalawana, is also a moderately hot month, with an average temperature varying between 28.3°C (82.9°F) and 20.8°C (69.4°F). The arrival of November sees an average high-temperature of a still warm 28.3°C (82.9°F), hardly diverging from October's 28.5°C (83.3°F). Weather in November »

Weather in December

December, the first month of the winter in Kalawana, is also a moderately hot month, with an average temperature varying between 28.4°C (83.1°F) and 19.9°C (67.8°F). December is marked by an average high-temperature of a still warm 28.4°C (83.1°F), almost identical to the preceding month. Weather in December »

Frequently asked questions

What is the least humid month?

January and February, with an average relative humidity of 80%, are the least humid months in Kalawana.

What is the driest month?

January is the month with the least rainfall in Kalawana. Rain falls for 18.9 days and accumulates 85mm (3.35") of precipitation.

How many days does it rain?

In Kalawana, during the entire year, the rain falls for 317.3 days and collects up to 2422mm (95.35") of precipitation.

When is the highest UV index?

The months with the highest UV index are January through August, November and December, with an average maximum UV index of 6.

What is the warmest month?

March, on average, is the warmest month, registering a high temperature of 31.1°C (88°F) and a low of 19.7°C (67.5°F).

What month has the most sunshine?

April has the most sunshine of the year, with an average of 8.4h of sunshine.

What is the most humid month?

The months with the highest humidity are May and June, with an average relative humidity of 88%.

What month is the coldest?

Kalawana experiences lowest temperatures, averaging a high-temperature of 27.3°C (81.1°F) during June and July.

When are the longest days?

June has the longest days of the year, with an average of 12h and 30min of daylight.

When is the lowest UV index?

The months with the lowest UV index are September and October, with an average maximum UV index of 5.

What is the rainiest month?

The month with the most rainfall is October, when the rain falls for 28.5 days and typically aggregates up to 357mm (14.06") of precipitation.

What is the month with the shortest days in Kalawana?

With an average of 11h and 48min of daylight, December has the shortest days of the year.

Is there Daylight Saving Time (DST)?

Kalawana does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 6h of sunshine.

Average temperature
Kalawana, Sri Lanka

Average temperature - Kalawana, Sri Lanka

The warmest month (with the highest average high temperature) is March (31.1°C).
The months with the lowest average high temperature are June and July (27.3°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 (18.7°C).

Average pressure
Kalawana, Sri Lanka

Average pressure - Kalawana, Sri Lanka

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
Kalawana, Sri Lanka

Average wind speed - Kalawana, Sri Lanka

The windiest month (with the highest average wind speed) is July (8.8km/h).
The calmest months (with the lowest average wind speed) are February and March (3.9km/h).

Average humidity
Kalawana, Sri Lanka

Average humidity - Kalawana, Sri Lanka

The months with the highest relative humidity are May and June (88%).
The months with the lowest relative humidity are January and February (80%).

Average rainfall
Kalawana, Sri Lanka

Average rainfall - Kalawana, Sri Lanka

The wettest month (with the highest rainfall) is October (357mm).
The driest month (with the least rainfall) is January (85mm).

Average rainfall days
Kalawana, Sri Lanka

Average rainfall days - Kalawana, Sri Lanka

The month with the highest number of rainy days is May (29.8 days).
The month with the least rainy days is January (18.9 days).

Average daylight / Average sunshine
Kalawana, Sri Lanka

Average daylight / Average sunshine - Kalawana, Sri Lanka

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 48min).

The month with the most sunshine is April (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days
Kalawana, Sri Lanka

Average sunshine days - Kalawana, Sri Lanka

The month with the most sunshine days is January (9.2 days).
The month with the least sunshine days is April (0.2 days).

Average UV index
Kalawana, Sri Lanka

Average UV index - Kalawana, Sri Lanka

The months with the highest UV index are January, February, March, April, May, June, July, August, November and December (UV index 6).
The months with the lowest UV index are September and October (UV index 5).

Average visibility
Kalawana, Sri Lanka

Average visibility - Kalawana, Sri Lanka

The months with the highest visibility are January, February, March, June, July, August and December (8km).
The months with the lowest visibility are April, May, September, October and November (7km).

Kalawana, Sri Lanka

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