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Contents
- The climate of Kaduwela
- The best time to visit Kaduwela
- The worst time to visit Kaduwela
- Spring weather in Kaduwela
- Summer weather in Kaduwela
- Autumn weather in Kaduwela
- Winter weather in Kaduwela
- 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
The climate of Kaduwela
Sri Lanka's city of Kaduwela sits decidedly in the Af Köppen climate zone, alias Tropical rainforest climate zone. This location is proverbially known for high rains and high temperatures throughout the year. No month of the year sees significant drops in rainfall or temperature.
Throughout the year, the temperature in Kaduwela moves narrowly between high and low extremes. The high extremes range from a minimum of 28.9°C (84°F) to a maximum of 31.8°C (89.2°F), while the low extremes vary minimally from 23.1°C (73.6°F) to 26.3°C (79.3°F). Humidity registers more significant variability, with relative values from 74% to 83%. Rainfall has a broad range throughout the year, with the least in January at 40mm (1.57") and the most in June at 341mm (13.43").
Notably, bright days are having an amount of sunshine developed mostly between 7 hours and 9.1 hours in the day. Though the level of visibility stays mostly unaffected throughout the year and ranges from 9km (5.6mi) to 10km (6.2mi), cloud cover varies from 24% to 57%. Atmospheric pressure the whole year remains around 1010mb.
Throughout the year, the temperature in Kaduwela moves narrowly between high and low extremes. The high extremes range from a minimum of 28.9°C (84°F) to a maximum of 31.8°C (89.2°F), while the low extremes vary minimally from 23.1°C (73.6°F) to 26.3°C (79.3°F). Humidity registers more significant variability, with relative values from 74% to 83%. Rainfall has a broad range throughout the year, with the least in January at 40mm (1.57") and the most in June at 341mm (13.43").
Notably, bright days are having an amount of sunshine developed mostly between 7 hours and 9.1 hours in the day. Though the level of visibility stays mostly unaffected throughout the year and ranges from 9km (5.6mi) to 10km (6.2mi), cloud cover varies from 24% to 57%. Atmospheric pressure the whole year remains around 1010mb.
The best time to visit Kaduwela
Aiming for a pleasant trip to Kaduwela, the greater availability of sunshine and lower rainfall between January and March would set the perfect conditions. The mean high temperature stays around modest 31°C (87.8°F), providing a splendid backdrop for outdoor activities. Further, eight to nine hours of sunshine every day ensures adequate daylight for travellers. The rainfall is on the lower range in these months, thus, reducing the probability of huge downpours.
The worst time to visit Kaduwela
The period between May and September may not provide the most conducive conditions for touring Kaduwela. July and August in particular, are tricky months as the city experiences its highest rainfall of the year, with rain falling on almost all days of these months. Adding on, minimal sunshine hours of just around seven, along with high humidity levels, adds to the discomfort of travel during this period.
Spring weather in Kaduwela
During the spring, from March to May, Kaduwela does not witness any dramatic variations in temperature or humidity. The high temperatures sway from 31.4°C (88.5°F) in March to 30.6°C (87.1°F) in May, and the low temperatures rise gradually from 23.3°C (73.9°F) to 26.3°C (79.3°F). As for rainfall, a steady increase can be observed from 66mm (2.6") in March to 306mm (12.05") in May, becoming a signal of the approaching monsoon.
Summer weather in Kaduwela
The Kaduwela summer, spanning June to August, brings substantial changes in weather patterns. With rainfall averaging high at 341mm (13.43") in June and 287mm (11.3") in August, it is one of the rainiest periods of the year. Temperatures, however, hover in the more relaxed zone from 29.3°C (84.7°F) to 28.9°C (84°F) for the highs, and 25.8°C (78.4°F) to 25.2°C (77.4°F) for the lows.
Autumn weather in Kaduwela
Autumn months, from September to November, in Kaduwela still maintain a warm and damp atmosphere. As the rainfall drops gradually from 206mm (8.11") in September to 191mm (7.52") in November, the amount of sunshine per day slightly increases. The high temperatures see little variation while the low-temperature values range from 24.9°C (76.8°F) and 24.5°C (76.1°F).
Winter weather in Kaduwela
Winter in Kaduwela, from December to February, is characterized by a more moderate climate. The rainfall is at its yearly lowest between 40mm (1.57") and 47mm (1.85"), while the humidity drops to 74%. The range of high and low temperatures remains stable between 29.9°C (85.8°F) and 23.1°C (73.6°F) respectively, offering milder weather compared to other parts of the year. The amount of sunshine remains relatively stable at around nine hours per day, and the city sees a decrease in cloud cover during these months.
Weather in January
In Kaduwela, January kicks off the year with a relatively moderate climatic pattern. The weather conditions remain fairly stable with no dramatic change compared to December. Notably, the highest wind speeds of this month reach up to 17.9km/h (11.1mph). Weather in January »
Weather in February
Welcome to February in Kaduwela, a month that maintains the continuity of January's moderate weather conditions. As the month progresses towards March, the days remain uniformly warm and humid. The gradual increase in temperature and relative humidity is hardly noticeable. Weather in February »
Weather in March
In Kaduwela, March brings a slightly different weather scenario. Rainfall increases by 40% compared to February, reaching 66mm (2.6") throughout the month. This increment heralds more cloudy days and reduced hours of sunshine. March marks the start of a noticeable transition in weather patterns, positioning itself between the moderate climate of the early year and the upcoming rainy season. Weather in March »
Weather in April
April in Kaduwela, Sri Lanka is known for its humid and warm atmosphere. As the rainfall doubles from the previous month to reach 137mm (5.39"), the city sets a brisk pace for the upcoming monsoon season. The shift in weather dynamics is perhaps a prelude to the impending monsoons. Weather in April »
Weather in May
Cloudy skies dominate the weather in Kaduwela during the month of May. The sudden surge in rainfall from the previous month to 306mm (12.05") marks the arrival of the heavy monsoon season, which is more than twice that of April. The higher intensity of showers could limit some activities, but it does not diminish the natural beauty of the cityscape. Weather in May »
Weather in June
June maintains the rhythm of monsoon in Kaduwela, bearing a striking resemblance to May. The weather holds steady with increased rainfall and persistently high humidity. While outdoor activities might be hindered, locals and tourists alike find solace indoors. Weather in June »
Weather in July
Kaduwela weather in July is quite consistent with that of the preceding month. The highest recorded temperature sits at a comfortable 28.9°C (84°F) earmarking this month as one of the coolest periods of the year. The relatively lower temperatures and frequent rains offer a soothing contrast to the preceding hotter months. Weather in July »
Weather in August
August replicates the weather dynamics of July with very minor climatic variations. As the month rolls on, the high rainfall and relative humidity continue to dominate the weather features. Despite these persistent monsoon conditions, the striking beauty of Kaduwela remains unhampered. Weather in August »
Weather in September
The tail end of the monsoon season appears in September in Kaduwela, with a sharp decline in rainfall from 287mm (11.3") in August to 206mm (8.11"). Despite the receding showers, the weather continues to be predominantly wet and cloudy. Weather in September »
Weather in October
October in Kaduwela marks a clear deviation from the preceding monsoon months. The weather transition from the wet season to the relatively drier phase of the year is evident. Despite the reduction in rainfall volume, the month maintains significant humidity levels. Weather in October »
Weather in November
November witnesses Kaduwela in all its sunny effervescence. The city basks in the warmth of a higher number of sunny days, despite a considerable decrease in daylight hours. Though rainfall persists, it does not hinder the progression of daily life. Weather in November »
Weather in December
As the year concludes in Kaduwela, December carries forward the weather pattern of November. The moderate weather conditions mixed with a taste of the dry season creates a pleasant paradox. From rain-kissed afternoons to sunny mornings, the city offers an enchanting palette of weather experiences. Weather in December »
Frequently asked questions
What are the least humid months in Kaduwela?
January and February, with an average relative humidity of 74%, are the least humid months.
What is the driest month in Kaduwela?
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 many days does it rain in Kaduwela?
In Kaduwela, 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 Kaduwela?
January has the most sunshine of the year, with an average of 9.1h of sunshine.
When is the highest UV index in Kaduwela?
The months with the highest UV index in Kaduwela, Sri Lanka, are January through April, July, September, November and December, with an average maximum UV index of 7.
What is the hottest time of year in Kaduwela?
Kaduwela sees the average highest temperatures during the months of March and April, peaking at 31.8°C (89.2°F).
When is the lowest UV index in Kaduwela?
The months with the lowest UV index are May, June, August and October, with an average maximum UV index of 6.
What is the most humid month in Kaduwela?
June through August, with an average relative humidity of 83%, are most humid months in Kaduwela, Sri Lanka.
What is the wettest month in Kaduwela?
June is the month with the most rainfall. Rain falls for 29.3 days and accumulates 341mm (13.43") of precipitation.
When are the longest days in Kaduwela?
The month with the longest days in Kaduwela is June, with an average of 12h and 30min of daylight.
What time of the year is the coldest in Kaduwela?
The coldest period falls in July and August, when the average high-temperature reaches 28.9°C (84°F).
What is the month with the least sunshine in Kaduwela?
November has the least sunshine of the year in Kaduwela, with an average of 6.7h of sunshine.
What is the month with the shortest days in Kaduwela?
With an average of 11h and 42min of daylight, December has the shortest days of the year in Kaduwela.
Is there Daylight Saving Time (DST) in Kaduwela?
Kaduwela does not observe Daylight Saving Time (DST). +0530 timezone is used throughout the entire year.
Average temperature
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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
Kaduwela, 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).
Kaduwela, Sri Lanka
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