Climate and monthly weather forecast
Sri Jayawardenepura Kotte, Sri Lanka

Nestled in Sri Lanka, Sri Jayawardenepura Kotte boasts a tropical rainforest climate, falling into the Af category of the Köppen climate classification. This classification identifies regions where high temperatures are experienced throughout the year, accompanied by significant precipitation.

Sri Jayawardenepura Kotte weather conditions display minimal fluctuations in temperatures with a slight variance in rainfall. High temperatures of around 31°C (87.8°F) to 31.8°C (89.2°F) characterize the weather during the year, with the lowest highs appearing during August and October at 30°C (86°F). Low temperatures also demonstrate slight oscillations, the lowest of 22.3°C (72.1°F) seen in January and the highest of 25.5°C (77.9°F) from May to June.

The city's rainfall portrays a more dynamic pattern, with the heaviest precipitation occurring during October and November. In contrast, drier conditions are most prevalent in February with a significantly lower rainfall measurement of 63mm (2.48"), increasing again in March to 112mm (4.41").

Daylight hours range from a minimum of 11.7 hours in December to a maximum of 12.5 hours from June to July. This minor difference in daylight indicates moderately consistent amounts of sunshine throughout the year.

Due to consistently warm temperatures year-round, the best time for visiting Sri Jayawardenepura Kotte revolves primarily around precipitation patterns. In this regard, February makes an ideal time for a visit with rainfall recorded at only 63mm (2.48"), the lowest throughout the year. Coupled with a comfortable high temperature of around 31.2°C (88.2°F), February presents idyllic conditions for outdoor exploration and activities in Sri Jayawardenepura Kotte.

In sharp contrast to the favourable conditions of February, October finds itself at the opposite end of the spectrum, donning the title of the worst time to visit Sri Jayawardenepura Kotte. With the city receiving its maximum annual rainfall of 358mm (14.09") during this month, outdoor activities are likely to be marred by heavy showers. Despite this, high temperatures remain consistent, approximately at 30°C (86°F).

In Sri Jayawardenepura Kotte, spring spans from March to May, distinguished by a gradual rise in both rainfall and temperatures. Rainfall in March is measured at 112mm (4.41"), subsequently rising to 252mm (9.92") in April and peaking at 335mm (13.19") in May. Concurrently, high temperatures range from 31.7°C (89.1°F) in March to 31.1°C (88°F) in May. Low temperatures experience a similar upward curve, from 23.7°C (74.7°F) in March to 25.5°C (77.9°F) in May.

Summer, from June to August, brings the mercury to between 30.4°C (86.7°F) to 30°C (86°F) for high temperatures and 25.5°C (77.9°F) to 25.2°C (77.4°F) for low temperatures. Although high temperatures drop slightly, summer still sees sufficient heat. Rainfall decreases noticeably during this season, with 195mm (7.68") recorded in June, 130mm (5.12") in July and a relatively smaller amount of 95mm (3.74") in August.

Autumn in Sri Jayawardenepura Kotte occurs from September to November and is notable for its soaring rainfall levels. Rainfall measures are found at 165mm (6.5") in September, escalating dramatically to the year's peak at 358mm (14.09") in October, before easing somewhat to 309mm (12.17") in November. Concurrently, high temperatures hold steady around the 30°C (86°F) mark throughout the season.

Despite its tropical standing, winter in Sri Jayawardenepura Kotte from December to February witnesses a decrease in both temperature and rainfall. Rainfall levels are notably lower than the preceding months, with December recording 153mm (6.02") and a significant drop to 85mm (3.35") in January. February is marked by the lowest rainfall for the year at 63mm (2.48"). Average high temperatures during this season range from 30.4°C (86.7°F) in December to 31°C (87.8°F) in February. Low temperatures see a steady rise from 22.8°C (73°F) in December to 22.7°C (72.9°F) in February. All these favor indoor activities and low-impact outdoor excursions.

The beginning of the year in Sri Jayawardenepura Kotte, Sri Lanka, features relatively steady temperatures. There is a narrow range of temperatures, with highs and lows varying by less than 10°C (50°F). With 85mm (3.35") of rainfall, January sees fewer rain showers compared to other months. Weather in January »

The climate remains consistent in February, keeping similar characteristics to that of January. There occurs a very slight increase in minimum temperatures when compared to the previous month. However, the most significant change is found in the declining rainfall, with this month measuring a mere 63mm (2.48") in precipitation. Weather in February »

In March, the weather pattern begins to reflect a major change as the year transitions into the wetter period. The most drastic change in March from February is the extreme increase in rainfall, almost doubling to 112mm (4.41"). The weather is generally warm, modestly increasing from that of the previous month. Weather in March »

April proves to be quite a distinct month in Sri Jayawardenepura Kotte, Sri Lanka. This month witnesses the year's highest rainfall, surging to a remarkable 252mm (9.92"), more than doubling that of March. Despite this, temperatures remain constant, with very negligible changes compared to the previous month. Weather in April »

Furthering into the year, May witnesses stable weather conditions similar to those in April. Rainfall hits its annual peak at 335mm (13.19"), making May the wettest month of the year in Sri Jayawardenepura Kotte. Temperatures fluctuate minimally relative to the prior month, leading to a comfortable climate. Weather in May »

In June, a slight decrease in temperatures begins to manifest in Sri Jayawardenepura Kotte. An observable drop in the rainfall occurs, dialing the precipitation levels back to 195mm (7.68"). This month bears a close resemblance to May in regards to its daily average temperature range. Weather in June »

July in Sri Jayawardenepura Kotte follows closely with the weather patterns noted in June. The most significant change observed is the reduction of rainfall, descending further to 130mm (5.12"). Daylight hours remain consistent, echoing the traits of the previous month. Weather in July »

August maintains the trend of gradual temperature and rainfall reduction observed in the recent past. The rainfall decreases to 95mm (3.74"), representing the year's lowest precipitation level. There is a very slight dip in maximum and minimum temperatures in comparison to July. Weather in August »

As September rolls in Sri Jayawardenepura Kotte, temperatures hold steady. Though holding onto August's temperature trends, rainfall surges up to a significant 165mm (6.5"). This increase in rainfall signifies the commencement of another wet phase for the city. Weather in September »

October in Sri Jayawardenepura Kotte expresses distinct weather characteristics. Remarkably, this month sees rainfall rise dramatically to 358mm (14.09"), the second-highest of the year. Despite this uptick in precipitation, temperatures remain rather stable compared to September. Weather in October »

November in Sri Jayawardenepura Kotte, Sri Lanka, somewhat mirrors October's pattern in terms of weather. The rainfall remains high but less than that of October, with a measurement of 309mm (12.17"). Temperatures maintain relative consistency with the previous month, ensuring warmth throughout. Weather in November »

Finally, as the year rounds up in December, Sri Jayawardenepura Kotte's weather follows a predictable pattern. The rainfall drops noticeably to 153mm (6.02"), marking the start of a drier phase. Equally, a backslide in temperatures can be observed, but this is hardly discernible unless compared with earlier months. Weather in December »