Climate and monthly weather forecastKaduwela, Sri Lanka

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.

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 »