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Ranna Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Ranna.
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Climate overview of Ranna
The climate in Ranna, Hambantota District, Sri Lanka, is remarkably consistent, with temperatures year-round averaging 31°C (88°F). The warmest month is March at 32°C (90°F), and the coolest is December at 30°C (86°F).
The city receives considerable rainfall, with around 1495 mm (59 in) annually. November is the wettest month. Sunshine peaks in March, when the city sees around 8.3 hours of sunshine per day.
Ranna Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ranna - and find the best time to visit.
Monthly Temperature in Ranna
In Ranna temperatures are generally consistent throughout the year. Typically, average maximum daytime temperatures range from a very warm 32°C (90°F) in March to a comfortable 30°C (86°F) in the coolest month, December.
Nights vary from 26°C (79°F) in March to around 24°C (75°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Ranna
Ranna experiences significant rainfall throughout the year, averaging 1495 mm (59 in) of precipitation annually. The climate in Ranna shows significant variation throughout the year. Expect heavy rainfall in November, the wettest month, with an average of 264 mm (10 in) of precipitation over 14 rainy days.
In contrast, the driest month February offers drier and sunnier days, with around 63 mm (2.5 in) of rainfall over 4 rainy days. For more details, please visit our Ranna Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Ranna
Ranna offers a pleasant mix of sunny and slightly overcast days. The difference in sunshine hours between March (8.3 hours daily) and November (6.4 hours daily) provides a bit of variety for visitors and residents.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Hambantota, Sri Lanka (28 KM, 17 Miles).
Daily hours of sunshine
Data from: Hambantota, Sri Lanka (28 KM, 17 Miles).
Humidity in Ranna by Month
The relative humidity is high throughout the year in Ranna.
The city experiences its highest humidity in May, reaching 78%. In January, the humidity drops to its lowest level at 71%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Hambantota, Sri Lanka (28 KM, 17 Miles).
Best Time to Visit Ranna
The most favourable weather available in Ranna usually occurs in January, February, March, June, July and August. Conditions are generally most challenging in October and November.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
good
Feb
good
Mar
good
Apr
mixed
May
mixed
Jun
good
Jul
good
Aug
good
Sep
mixed
Oct
wet
Nov
very wet
Dec
mixed
- Best overall: January, February, March, June, July and August
- Warmest weather: January, February, March, April, May, June, July, August, September and October
- Most sunshine: March, April and May
- Fewest rainy days: January, February and March
- Wettest months: October, November and December, when rainfall is highest.
Frequently asked questions about the climate in Ranna
What is the best time to visit Ranna?
January, February, March, June, July and August typically offer the most optimal weather in Ranna. In contrast, October and November tend to have less optimal conditions.
What temperatures can I expect in Ranna?
Daytime highs range from 30°C (86°F) in December to 32°C (90°F) in March. Nighttime lows range from 24°C (75°F) to 26°C (79°F). Temperatures stay relatively stable year-round.
How much rain does Ranna get?
Annual rainfall is around 1495 mm (59 in). November is the wettest month with 264 mm (10 in), while February is the driest with 63 mm (2.5 in).
How sunny is Ranna?
Ranna receives around 2,572 hours of sunshine per year. March is the sunniest month with 250 hours, while November is the cloudiest with just 191 hours. Overall, Ranna enjoys abundant sunshine.
Ranna 3-Day Forecast
Ranna on the map
Ranna is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
Colombo
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