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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 Kahathuduwa, Sri Lanka, with temperature in the range of an average low of 23.4°C (74.1°F) and an average high of 30.3°C (86.5°F). Transitioning from December to January, Kahathuduwa observes an average high-temperature of a hot 30.3°C (86.5°F), differing subtly from the previous month. Weather in January »
Weather in February
The last month of the winter, February, is another hot month in Kahathuduwa, Sri Lanka, with an average temperature fluctuating between 23.5°C (74.3°F) and 30.9°C (87.6°F). During February, Kahathuduwa observes a subtle ascent to a still tropical 30.9°C (87.6°F) from January's 30.3°C (86.5°F) in the average high-temperature. Weather in February »
Weather in March
March, the first month of the spring in Kahathuduwa, is still a hot month, with an average temperature ranging between max 31.3°C (88.3°F) and min 25°C (77°F). March and April, with an average high-temperature of 31.3°C (88.3°F), are the warmest months. The heat index for March is calculated to be a blisteringly hot 41°C (105.8°F). Weather in March »
Weather in April
April, the same as March, in Kahathuduwa, Sri Lanka, is another tropical spring month, with temperature in the range of an average low of 26°C (78.8°F) and an average high of 31.3°C (88.3°F). March and April, when the average high-temperature reaches 31.3°C (88.3°F), are the warmest months. The heat index in April is calculated to be an extremely hot 41°C (105.8°F). Weather in April »
Weather in May
May, the last month of the spring in Kahathuduwa, is another tropical month, with an average temperature fluctuating between 30.2°C (86.4°F) and 26.3°C (79.3°F). The advent of May brings an average high-temperature of a still hot 30.2°C (86.4°F), almost identical to the preceding month. Weather in May »
Weather in June
The first month of the summer, June, is still a warm month in Kahathuduwa, Sri Lanka, with temperature in the range of an average high of 29.2°C (84.6°F) and an average low of 26.1°C (79°F). Kahathuduwa records an average high-temperature of a warm 29.2°C (84.6°F) as June arrives, nearly mirroring the previous month's climate. Weather in June »
Weather in July
July, the same as June, is a moderately hot summer month in Kahathuduwa, Sri Lanka, with temperature in the range of an average low of 25.6°C (78.1°F) and an average high of 28.7°C (83.7°F). With the advent of July, Kahathuduwa's high-temperatures adjust to a still warm 28.7°C (83.7°F), closely aligning with the preceding month. Weather in July »
Weather in August
August, the last month of the summer in Kahathuduwa, is another warm month, with an average temperature fluctuating between 25.5°C (77.9°F) and 28.6°C (83.5°F). August, marked by an average high-temperature of 28.6°C (83.5°F) and a low-temperature of 25.5°C (77.9°F), is the coldest month. For most parts of August, the heat index is calculated to be a tropical 34°C (93.2°F). Weather in August »
Weather in September
September, the first month of the autumn in Kahathuduwa, is still a warm month, with an average temperature varying between 25.2°C (77.4°F) and 28.8°C (83.8°F). September's advent denotes a minor fluctuation in the average high-temperature to a still moderately hot 28.8°C (83.8°F) from August's 28.6°C (83.5°F). Weather in September »
Weather in October
October, like September, in Kahathuduwa, Sri Lanka, is another warm autumn month, with temperature in the range of an average high of 29.6°C (85.3°F) and an average low of 25.5°C (77.9°F). In October, Kahathuduwa experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 28.8°C (83.8°F) in September to a still warm 29.6°C (85.3°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a moderately hot month in Kahathuduwa, Sri Lanka, with an average temperature ranging between max 29.8°C (85.6°F) and min 24.8°C (76.6°F). The commencement of November introduces an average high-temperature of a still moderately hot 29.8°C (85.6°F), closely mirroring the preceding month. Weather in November »
Weather in December
December, the first month of the winter in Kahathuduwa, is still a warm month, with an average temperature ranging between max 29.7°C (85.5°F) and min 24.4°C (75.9°F). December records an average high-temperature of a still moderately hot 29.7°C (85.5°F), indicating a minor variation from the preceding month. 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
What are the least humid months in Kahathuduwa?
The months with the lowest humidity are January and February, with an average relative humidity of 75%.
What is the driest month in Kahathuduwa?
The month with the least rainfall is January, when the rain falls for 8.9 days and typically collects 25mm (0.98") of precipitation.
How many days does it rain in Kahathuduwa?
In Kahathuduwa, Sri Lanka, during the entire year, the rain falls for 273.8 days and collects up to 2059mm (81.06") of precipitation.
What month has the most sunshine in Kahathuduwa?
With an average of 9.2h of sunshine, January has the most sunshine of the year.
What are the months with the highest UV index in Kahathuduwa?
January through April, July, September through December, with an average maximum UV index of 7, are months with the highest UV index.
What month is the hottest in Kahathuduwa?
In Kahathuduwa, Sri Lanka, March and April are characterised by the peak of temperatures, recording an average high of 31.3°C (88.3°F).
When is the lowest UV index in Kahathuduwa?
The months with the lowest UV index are May, June and August, with an average maximum UV index of 6.
What is the most humid month in Kahathuduwa?
The months with the highest humidity are June through August, with an average relative humidity of 83%.
What is the wettest month in Kahathuduwa?
The month with the most rainfall in Kahathuduwa is June, when the rain falls for 29.2 days and typically aggregates up to 350mm (13.78") of precipitation.
When are the longest days in Kahathuduwa?
The month with the longest days in Kahathuduwa is June, with an average of 12h and 30min of daylight.
What month is the coldest in Kahathuduwa?
August, with its average high-temperature of 28.6°C (83.5°F) and an average low-temperature of 25.5°C (77.9°F), holds the record as the coldest month.
What is the month with the least sunshine in Kahathuduwa?
With an average of 6.8h of sunshine, November has the least sunshine of the year.
What is the month with the shortest days in Kahathuduwa?
With an average of 11h and 42min of daylight, December has the shortest days of the year in Kahathuduwa.
Is there Daylight Saving Time (DST) in Kahathuduwa?
Kahathuduwa, Sri Lanka, does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
Average temperature
Kahathuduwa, Sri Lanka
The warmest months (with the highest average high temperature) are March and April (31.3°C).
The month with the lowest average high temperature is August (28.6°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 (23.4°C).
Average pressure
Kahathuduwa, 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:
1008.7mbar - Average pressure in June:
1008.8mbar
- Average pressure in July:
1008.9mbar - Average pressure in August:
1009.2mbar - Average pressure in September:
1009.9mbar - Average pressure in October:
1010mbar - Average pressure in November:
1009.9mbar - 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 (1008.7mbar).
Average wind speed
Kahathuduwa, Sri Lanka
- Average wind speed in January:
12.2km/h - Average wind speed in February:
9.4km/h - Average wind speed in March:
7.9km/h - Average wind speed in April:
8.7km/h - Average wind speed in May:
13.3km/h - Average wind speed in June:
15.9km/h
- Average wind speed in July:
14.9km/h - Average wind speed in August:
15.1km/h - Average wind speed in September:
13.6km/h - Average wind speed in October:
10.6km/h - Average wind speed in November:
9.1km/h - Average wind speed in December:
11.3km/h
The windiest month (with the highest average wind speed) is June (15.9km/h).
The calmest month (with the lowest average wind speed) is March (7.9km/h).
Average humidity
Kahathuduwa, 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 (75%).
Average rainfall
Kahathuduwa, Sri Lanka
- Average rainfall in January:
25mm - Average rainfall in February:
32mm - Average rainfall in March:
61mm - Average rainfall in April:
127mm - Average rainfall in May:
303mm - Average rainfall in June:
350mm
- Average rainfall in July:
260mm - Average rainfall in August:
282mm - Average rainfall in September:
201mm - Average rainfall in October:
192mm - Average rainfall in November:
133mm - Average rainfall in December:
93mm
The wettest month (with the highest rainfall) is June (350mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days
Kahathuduwa, Sri Lanka
- Average rainfall days in January:
8.9 days - Average rainfall days in February:
11.5 days - Average rainfall days in March:
19.9 days - Average rainfall days in April:
25.8 days - Average rainfall days in May:
28 days - Average rainfall days in June:
29.2 days
- Average rainfall days in July:
29.5 days - Average rainfall days in August:
29.5 days - Average rainfall days in September:
26.3 days - Average rainfall days in October:
25.2 days - Average rainfall days in November:
23.5 days - Average rainfall days in December:
16.5 days
The months with the highest number of rainy days are July and August (29.5 days).
The month with the least rainy days is January (8.9 days).
Average daylight / Average sunshine
Kahathuduwa, 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:
9h and 0min - Average sunshine in May:
8h and 4min - Average sunshine in June:
8h and 1min
- Average sunshine in July:
7h and 5min - Average sunshine in August:
7h and 1min - Average sunshine in September:
7h and 4min - Average sunshine in October:
7h and 5min - Average sunshine in November:
6h and 5min - Average sunshine in December:
7h and 1min
The month with the most sunshine is January (Average sunshine: 9h and 12min).
The month with the least sunshine is November (Average sunshine: 6h and 48min).
Average sunshine days
Kahathuduwa, Sri Lanka
- Average sunshine days in January:
21 days - Average sunshine days in February:
13.8 days - Average sunshine days in March:
7.4 days - Average sunshine days in April:
2.3 days - Average sunshine days in May:
1.2 days - Average sunshine days in June:
0.3 days
- Average sunshine days in July:
0.3 days - Average sunshine days in August:
0.5 days - Average sunshine days in September:
1.4 days - Average sunshine days in October:
3.4 days - Average sunshine days in November:
5.8 days - Average sunshine days in December:
12.5 days
The month with the most sunshine days is January (21 days).
The months with the least sunshine days are June and July (0.3 days).
Average UV index
Kahathuduwa, Sri Lanka
The months with the highest UV index are January, February, March, April, July, September, October, November and December (UV index 7).
The months with the lowest UV index are May, June and August (UV index 6).
Average cloud cover
Kahathuduwa, Sri Lanka
The month with the most cloud cover is June (Cloud cover 55).
The month with the least cloud cover is January (Cloud cover 24).
Average visibility
Kahathuduwa, Sri Lanka
The months with the highest visibility are January, February, March, April, November and December (10km).
The months with the lowest visibility are May, June, July, August, September and October (9km).
