Climate and monthly weather forecast
Mahaiyawa, Sri Lanka

Climate and monthly weather forecast

Weather in January

January, like December, in Mahaiyawa, Sri Lanka, is another warm 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). As Mahaiyawa steps into January, the average high-temperature is measured at a still warm 28.3°C (82.9°F), displaying minor differences from December's 27.5°C (81.5°F). Weather in January »

Weather in February

February, the last month of the winter in Mahaiyawa, is also a moderately hot month, with temperature in the range of an average high of 29.7°C (85.5°F) and an average low of 18.1°C (64.6°F). Mahaiyawa's February average high-temperature settles at a still moderately hot 29.7°C (85.5°F), showing a near match with the preceding month. Weather in February »

Weather in March

March, the first month of the spring in Mahaiyawa, is a hot month, with an average temperature fluctuating between 19.2°C (66.6°F) and 31.5°C (88.7°F). The warmest temperatures occur during March, when averages reach a peak of 31.5°C (88.7°F) and a low of 19.2°C (66.6°F). The heat index in March is estimated at a scorching 40°C (104°F). Weather in March »

Weather in April

April, like March, is another hot spring month in Mahaiyawa, Sri Lanka, with temperature in the range of an average high of 31.2°C (88.2°F) and an average low of 20.8°C (69.4°F). As March transitions into April, Mahaiyawa records an average high-temperature of a still hot 31.2°C (88.2°F), showing a gentle shift from the preceding month. Weather in April »

Weather in May

May, the last month of the spring in Mahaiyawa, is another tropical month, 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). Mahaiyawa notes an average high-temperature of a still tropical 30.1°C (86.2°F) in May, hardly diverging from April. Weather in May »

Weather in June

The first month of the summer, June, is also a moderately hot month in Mahaiyawa, Sri Lanka, with an average temperature varying between 21.8°C (71.2°F) and 29.3°C (84.7°F). On the advent of June, Mahaiyawa's average high-temperature exhibits a minor adjustment 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, the same as June, is a moderately hot summer month in Mahaiyawa, Sri Lanka, with an average temperature ranging between max 29.3°C (84.7°F) and min 21.4°C (70.5°F). The average high-temperature, a still warm 29.3°C (84.7°F) in July, matches the temperature recorded in June. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Mahaiyawa, Sri Lanka, with temperature in the range of an average low of 21.2°C (70.2°F) and an average high of 29.2°C (84.6°F). Mahaiyawa's entry into August measures an average high-temperature of a still warm 29.2°C (84.6°F), closely parallel to the preceding month. Weather in August »

Weather in September

September, the first month of the autumn in Mahaiyawa, is also a moderately hot month, with an average temperature fluctuating between 29.5°C (85.1°F) and 21.1°C (70°F). With September's arrival, Mahaiyawa notes an average high-temperature of a still warm 29.5°C (85.1°F), closely following the trend of the preceding month. Weather in September »

Weather in October

October, like September, in Mahaiyawa, Sri Lanka, is another warm autumn month, with temperature in the range of an average high of 29.4°C (84.9°F) and an average low of 20.7°C (69.3°F). As Mahaiyawa transitions from September to October, the average high-temperatures adjust to a still warm 29.4°C (84.9°F), nearly the same as the previous 29.5°C (85.1°F). Weather in October »

Weather in November

November, the last month of the autumn in Mahaiyawa, is also a moderately hot month, with an average temperature varying between 28.3°C (82.9°F) and 20.1°C (68.2°F). Mahaiyawa's weather in November displays an average high-temperature of a still warm 28.3°C (82.9°F), showing minor disparity from October's 29.4°C (84.9°F). Weather in November »

Weather in December

December, the first month of the winter in Mahaiyawa, is also a moderately hot month, with an average temperature ranging between min 19.5°C (67.1°F) and max 27.5°C (81.5°F). December proves to be the coldest month, recording an average maximum temperature of 27.5°C (81.5°F) and a minimum temperature of 19.5°C (67.1°F). Throughout December, the heat index is estimated at a tropical 31°C (87.8°F). Weather in December »

Frequently asked questions

What is the driest month?
The month with the least rainfall is January, when the rain falls for 14.1 days and typically collects 38mm (1.5") of precipitation.
How many days does it rain?
In Mahaiyawa, during the entire year, the rain falls for 278.4 days and collects up to 1466mm (57.72") of precipitation.
What are the months with the highest UV index?
The months with the highest UV index are January through September, November and December, with an average maximum UV index of 6.
What is the warmest month?
The warmest temperatures occur during March, when averages reach a peak of 31.5°C (88.7°F) and a low of 19.2°C (66.6°F).
What is the least humid month?
The least humid month is March, with an average relative humidity of 74%.
When are the longest days?
With an average of 12h and 30min of daylight, June has the longest days of the year.
What month has the most sunshine?
With an average of 10.8h of sunshine, June has the most sunshine of the year.
What is the rainiest month?
The month with the most rainfall 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?
With an average maximum UV index of 5, October is the month with the lowest UV index.
What is the coldest time of year?
December stands out as Mahaiyawa's coldest month, with temperatures ranging between an average high of 27.5°C (81.5°F) and a low of 19.5°C (67.1°F).
What is the most humid month in Mahaiyawa?
December is the most humid month in Mahaiyawa, with an average relative humidity of 84%.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 11h and 42min of daylight.
Is there Daylight Saving Time (DST)?
Mahaiyawa does not utilize Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
What is the month with the least sunshine?
With an average of 5.7h of sunshine, December has the least sunshine of the year.
Average temperature
Mahaiyawa, 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
Mahaiyawa, Sri Lanka

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
Mahaiyawa, Sri Lanka

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
Mahaiyawa, Sri Lanka

The month with the highest relative humidity is December (84%).
The month with the lowest relative humidity is March (74%).

Average rainfall
Mahaiyawa, Sri Lanka

The wettest month (with the highest rainfall) is October (301mm).
The driest month (with the least rainfall) is January (38mm).

Average rainfall days
Mahaiyawa, Sri Lanka

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
Mahaiyawa, 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 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
Mahaiyawa, Sri Lanka

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
Mahaiyawa, 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 visibility
Mahaiyawa, 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).

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