Koslanda Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Koslanda.
Climate overview of Koslanda
Koslanda, Sri Lanka, has a stable climate with little temperature variation across the year. Average daytime temperatures hover around 30°C (86°F), peaking in July at 32°C (90°F) and dipping in January to 27°C (81°F).
With around 1689 mm (66 in) of annual rainfall, Koslanda has a notably wet climate. However, this rainfall is not evenly distributed — the city has a distinct rainy season from October to December. The wettest month is November. March is the sunniest month, averaging 6.6 hours of sunshine per day.
Koslanda Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Koslanda — and find the best time to visit.
Monthly Temperature in Koslanda
With minimal seasonal shifts, Koslanda experiences a constant climate year-round. Average daytime temperatures reach a very warm 32°C (90°F) in July. In January, the coolest month of the year, temperatures drop to a comfortable 27°C (81°F).
At night, temperatures range from around 23°C (73°F) in July to 19°C (66°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Koslanda
Koslanda has a notably wet climate with abundant precipitation, recording 1689 mm (66 in) of rainfall per year. Koslanda can be quite wet during November, receiving approximately 321 mm (13 in) of precipitation over 15 rainy days.
In contrast, during the driest month (July), you will experience much drier conditions, with 54 mm (2.1 in) of precipitation spread across 11 rainy days days. For more details, please visit our Koslanda Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
Sunshine Hours in Koslanda
Koslanda can be enjoyed more throughout the sunniest month of March under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in July, with only 2.2 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Koslanda by Month
The relative humidity is high throughout the year in Koslanda.
The city experiences its highest humidity in May, reaching 87%. In March, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Koslanda
It's smart to plan your activities during the cooler morning hours or take advantage of the refreshing evenings.
Note that April, October, November and December make up the rainy season, with heavier precipitation expected. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.
Frequently asked questions about the climate in Koslanda
What is the best time to visit Koslanda?
February typically offers the most optimal weather in Koslanda. In contrast, April, October and November tend to have less optimal conditions. Koslanda has a distinct rainy season from October to December.
What temperatures can I expect in Koslanda?
Daytime highs range from 27°C (81°F) in January to 32°C (90°F) in July. Nighttime lows range from 19°C (66°F) to 23°C (73°F). Temperatures stay relatively stable year-round.
How much rain does Koslanda get?
Annual rainfall is around 1689 mm (66 in). November is the wettest month with 321 mm (13 in), while July is the driest with 54 mm (2.1 in).
How sunny is Koslanda?
Koslanda receives around 1,486 hours of sunshine per year. March is the sunniest month with 198 hours, while July is the cloudiest with just 67 hours.
Koslanda 3-Day Forecast
Koslanda 3-Day Forecast
Koslanda on the map
Koslanda is highlighted — select any city to see its climate.
Popular this month
Where to go in July — average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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.
Safari at Yala West National Park
The best travel time is indicated by October to December. However from December to March you have the biggest chance to see leopards and elephants with March as the best month.
From Hikkaduwa to Hiriketiya: where to stay on the South Coast of Sri Lanka
We have selected a few of our favorite places to stay for you. With beautiful gardens, welcoming hosts, great food - these should definitely be on your bucket list!
Visit Adams Peak
Adam's Peak is a holy mountain which pilgrims visit for over a thousand years. Here Adam (according to the Christians) would have set his first footstep after being sent down from heaven.