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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 is a tropical winter month in Mattakkuliya, Sri Lanka, with an average temperature fluctuating between 23.1°C (73.6°F) and 30.8°C (87.4°F). The onset of January notes an average high-temperature of a tropical 30.8°C (87.4°F), subtly shifted from December's 29.9°C (85.8°F). Weather in January »
Weather in February
The last month of the winter, February, is also a hot month in Mattakkuliya, Sri Lanka, with temperature in the range of an average high of 31.4°C (88.5°F) and an average low of 23.3°C (73.9°F). The arrival of February brings an average high-temperature of a still hot 31.4°C (88.5°F), nearly identical to January's 30.8°C (87.4°F). Weather in February »
Weather in March
March, the first month of the spring in Mattakkuliya, is still a hot month, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 31.8°C (89.2°F). Mattakkuliya experiences the peak of its temperatures in March and April, when the average high-temperatures rise to 31.8°C (89.2°F). In March, the heat index is evaluated at a blistering 42°C (107.6°F). Weather in March »
Weather in April
April, like March, is another tropical spring month in Mattakkuliya, Sri Lanka, with temperature in the range of an average low of 25.8°C (78.4°F) and an average high of 31.8°C (89.2°F). The warmest period is usually observed in March and April, with the average high-temperature peaking at 31.8°C (89.2°F). The heat index in April is evaluated at a scorching 42°C (107.6°F). Weather in April »
Weather in May
May, the last month of the spring in Mattakkuliya, is another tropical month, with temperature in the range of an average high of 30.6°C (87.1°F) and an average low of 26.3°C (79.3°F). The shift into May records an average high-temperature of a still tropical 30.6°C (87.1°F), subtly varied from April's 31.8°C (89.2°F). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Mattakkuliya, Sri Lanka, with an average temperature fluctuating between 25.8°C (78.4°F) and 29.3°C (84.7°F). Mattakkuliya's shift into June sets the average high-temperature at a moderately hot 29.3°C (84.7°F), a figure that deviates only slightly from May's 30.6°C (87.1°F). Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Mattakkuliya, Sri Lanka, with an average temperature varying between 28.9°C (84°F) and 25.3°C (77.5°F). The coldest months are July and August, with an average high-temperature of 28.9°C (84°F). In July, the average heat index is evaluated at a very hot 35°C (95°F). Weather in July »
Weather in August
August, the last month of the summer in Mattakkuliya, is another warm month, with an average temperature varying between 25.2°C (77.4°F) and 28.9°C (84°F). The temperature hits its lowest levels in July and August, recording an average high-temperature of 28.9°C (84°F). For August, the heat index is evaluated at a sweltering 35°C (95°F). Weather in August »
Weather in September
September, the first month of the autumn in Mattakkuliya, is still a warm month, with an average temperature varying between 29.1°C (84.4°F) and 24.9°C (76.8°F). September notes an average high-temperature of a still warm 29.1°C (84.4°F), subtly differing from August's 28.9°C (84°F). Weather in September »
Weather in October
October is a tropical autumn month in Mattakkuliya, Sri Lanka, with an average temperature fluctuating between 25°C (77°F) and 30°C (86°F). As September transitions into October, Mattakkuliya records an average high-temperature of a tropical 30°C (86°F), showing a gentle shift from the preceding month. Weather in October »
Weather in November
The last month of the autumn, November, is another hot month in Mattakkuliya, Sri Lanka, with an average temperature varying between 30.1°C (86.2°F) and 24.5°C (76.1°F). Entering November, Mattakkuliya's average high-temperature reads a still hot 30.1°C (86.2°F), indicating a close resemblance to the previous month's climate. Weather in November »
Weather in December
December, the first month of the winter in Mattakkuliya, is still a warm month, with an average temperature fluctuating between 23.7°C (74.7°F) and 29.9°C (85.8°F). The onset of December manifests an average high-temperature of a warm 29.9°C (85.8°F), demonstrating a minor variation from the preceding month. Weather in December »
Updated: Jul 3, 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 are the least humid months?
January and February, with an average relative humidity of 74%, are the least humid months in Mattakkuliya, Sri Lanka.
What is the driest month?
The month with the least rainfall is January, when the rain falls for 11.6 days and typically collects 40mm (1.57") of precipitation.
How much does it rain?
In Mattakkuliya, during the entire year, the rain falls for 289.4 days and collects up to 2262mm (89.06") of precipitation.
What month has the most sunshine in Mattakkuliya?
The month with the most sunshine is January, with an average of 9.1h of sunshine.
When is the highest UV index?
The months with the highest UV index are January through April, July, September, November and December, with an average maximum UV index of 7.
What time of the year is the hottest?
March and April are known as Mattakkuliya's warmest months, with an average high-temperature of 31.8°C (89.2°F).
What are the months with the lowest UV index?
The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6.
What are the most humid months?
June through August, with an average relative humidity of 83%, are most humid months in Mattakkuliya.
What is the wettest month?
The month with the most rainfall is June, when the rain falls for 29.3 days and typically aggregates up to 341mm (13.43") of precipitation.
When are the longest days in Mattakkuliya?
With an average of 12h and 30min of daylight, June has the longest days of the year.
What month is the coldest?
July and August are known as Mattakkuliya's coldest months, with an average high-temperature of 28.9°C (84°F).
What is the month with the least sunshine?
November has the least sunshine of the year, with an average of 6.7h of sunshine.
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)?
Mattakkuliya does not utilize Daylight Saving Time (DST). +0530 timezone is used over the entire year.
Average temperature
Mattakkuliya, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.8°C).
The months with the lowest average high temperature are July and August (28.9°C).
The month with the highest average low temperature is May (26.3°C).
The coldest month (with the lowest average low temperature) is January (23.1°C).
Average pressure
Mattakkuliya, Sri Lanka
- Average pressure in January:
1011.6mbar - Average pressure in February:
1011.3mbar - Average pressure in March:
1010.7mbar - Average pressure in April:
1009.7mbar - Average pressure in May:
1008.6mbar - Average pressure in June:
1008.7mbar
- Average pressure in July:
1008.7mbar - Average pressure in August:
1009.1mbar - Average pressure in September:
1009.8mbar - Average pressure in October:
1009.9mbar - Average pressure in November:
1009.8mbar - Average pressure in December:
1010.4mbar
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
Mattakkuliya, Sri Lanka
- Average wind speed in January:
12.8km/h - Average wind speed in February:
9.9km/h - Average wind speed in March:
8km/h - Average wind speed in April:
8.6km/h - Average wind speed in May:
12.9km/h - Average wind speed in June:
15.1km/h
- Average wind speed in July:
14.1km/h - Average wind speed in August:
14.2km/h - Average wind speed in September:
13.2km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
8.9km/h - Average wind speed in December:
11.5km/h
The windiest month (with the highest average wind speed) is June (15.1km/h).
The calmest month (with the lowest average wind speed) is March (8km/h).
Average humidity
Mattakkuliya, Sri Lanka
The months with the highest relative humidity are June, July and August (83%).
The months with the lowest relative humidity are January and February (74%).
Average rainfall
Mattakkuliya, Sri Lanka
- Average rainfall in January:
40mm - Average rainfall in February:
47mm - Average rainfall in March:
66mm - Average rainfall in April:
137mm - Average rainfall in May:
306mm - Average rainfall in June:
341mm
- Average rainfall in July:
256mm - Average rainfall in August:
287mm - Average rainfall in September:
206mm - Average rainfall in October:
237mm - Average rainfall in November:
191mm - Average rainfall in December:
148mm
The wettest month (with the highest rainfall) is June (341mm).
The driest month (with the least rainfall) is January (40mm).
Average rainfall days
Mattakkuliya, Sri Lanka
- Average rainfall days in January:
11.6 days - Average rainfall days in February:
13.8 days - Average rainfall days in March:
19.8 days - Average rainfall days in April:
25.4 days - Average rainfall days in May:
28.8 days - Average rainfall days in June:
29.3 days
- Average rainfall days in July:
29.8 days - Average rainfall days in August:
30.2 days - Average rainfall days in September:
26.9 days - Average rainfall days in October:
27 days - Average rainfall days in November:
25.7 days - Average rainfall days in December:
21.1 days
The month with the highest number of rainy days is August (30.2 days).
The month with the least rainy days is January (11.6 days).
Average daylight / Average sunshine
Mattakkuliya, 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 2min - 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:
9h and 1min - Average sunshine in February:
9h and 0min - Average sunshine in March:
9h and 0min - Average sunshine in April:
8h and 5min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 0min
- Average sunshine in July:
7h and 4min - Average sunshine in August:
7h and 0min - Average sunshine in September:
7h and 2min - Average sunshine in October:
7h and 4min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 5min
The month with the most sunshine is January (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days
Mattakkuliya, Sri Lanka
- Average sunshine days in January:
17.2 days - Average sunshine days in February:
12.7 days - Average sunshine days in March:
8.2 days - Average sunshine days in April:
2.6 days - Average sunshine days in May:
1.3 days - Average sunshine days in June:
0.3 days
- Average sunshine days in July:
0.4 days - Average sunshine days in August:
0.3 days - Average sunshine days in September:
1.5 days - Average sunshine days in October:
1.7 days - Average sunshine days in November:
3.6 days - Average sunshine days in December:
8.3 days
The month with the most sunshine days is January (17.2 days).
The months with the least sunshine days are June and August (0.3 days).
Average UV index
Mattakkuliya, Sri Lanka
The months with the highest UV index are January, February, March, April, July, September, November and December (UV index 7).
The months with the lowest UV index are May, June, August and October (UV index 6).
Average cloud cover
Mattakkuliya, Sri Lanka
The month with the most cloud cover is June (Cloud cover 57).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility
Mattakkuliya, Sri Lanka
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).
