10 Hidden gems in Asia you need to visit
Explore 10 hidden gems in Asia offering authentic experiences, from pristine beaches and remote islands to cultural treks and peaceful mountain villages.
This page shows both the average monthly rainfall and the number of rainy days in Koslanda, Sri Lanka. The figures are based on a 30-year period (1990–2020) to provide a reliable average. Let's now guide you through the details for a complete overview.
Koslanda has a relatively rainy climate with high precipitation levels, averaging 1689 mm (66 in) of rainfall annually. Despite the high annual total, it does experience a distinct rainy season during certain months. Examine our detailed charts below to understand these seasonal patterns.
The seasons in Koslanda, bring significant changes in precipitation. The wettest month, November, receives heavy rainfall, with an average of 321 mm (13 in) of precipitation. This rainfall is distributed across 15 rainy days.
In contrast, the driest month, July, experiences much less rainfall, totaling 54 mm (2.1 in) over 11 rainy days. These distinct seasonal differences provide diverse experiences throughout the year.November, the wettest month, has a maximum daytime temperature of 28°C (82°F). The city receives 125 hours of sunshine in this period. During the driest month July you can expect a temperature of 32°C (90°F). For more detailed insights into the city's temperatures, visit our Koslanda Temperature page.
The map below shows the annual precipitation across Sri Lanka. You can also select the different months in case you are interested in a specific month.
Koslanda's average annual precipitation is 1689 mm (66 in). Let's compare this to some popular worldwide tourist destinations:
In Toronto, Canada, annual precipitation averages 964 mm (38 in), with snowy winters and rainy summers.
Meanwhile, Buenos Aires, Argentina, enjoys a humid subtropical climate with 1000 mm (39 in) of annual rainfall, mostly in the summer.
In Tokyo, Japan, the average annual precipitation is 1528 mm (60 in), with significant summer rains due to typhoon season.
Bangkok, Thailand, experiences a tropical monsoon climate with 1668 mm (66 in) of annual rainfall, with the heaviest precipitation occurring during September and October.
Precipitation amounts are measured using specific gauges installed at weather stations, collecting both rain and snow and any other type of precipitation. Rainfall is measured directly in millimeters, while that from snow and ice is obtained by melting it. Automated systems often incorporate heaters to make this easier.
Information from these stations is transmitted via Wi-Fi, satellite, GPS, or telephone connections to central monitoring networks. This information is immediately updated and integrated into weather models and forecasts.
For more detailed information about Koslanda's weather, including sunshine hours, humidity levels, and temperature data, visit our Koslanda Climate page.
Pick a month to see the average temperature, rainfall and sunshine in Koslanda - and find the best time to visit.
Temperature Rainfall Sunshine Humidity
See the full Koslanda climate overview or explore weather in Sri Lanka.
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