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Ratnapura, Sri Lanka Weather Averages

April is the hottest month in Ratnapura with an average temperature of 28°C (82°F) and the coldest is January at 26°C (78°F) with the most daily sunshine hours at 8 in March. The wettest month is September with an average of 225.3mm of rain..

Average Temperature Ratnapura

What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month
What is Average Temperature?
The average high temperature and the average low temperature for that month, on a daily basis, divided by 2 equals the average temperature for that month

Average High Low Temperature Ratnapura

What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily
What is Average High Low Temperature?
The sum of high temperatures/low temperatures divided by the number of days in that month, recorded daily

Average Rainfall Ratnapura

What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years
What is Average Rainfall?
The amount of mm in rain for that month divided by the number of days, and the number of days that it rains during that month on average, over a given period of years

Average Daily Sunshine Hours Ratnapura

What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer
What are Average Daily Sunshine Hours?
Total sunshine hours for the month, divided by the number of days in the month. Sunshine hours are taken with a sunshine recorder, either a Campbell-Stokes recorder or an Eppley Pyreheliometer

Ratnapura : Next 24-Hour Weather

Tomorrow - 15th December 2025

Sunrise 06:11

Sunrise

Sunset 17:56

Sunset
3:00
Mist
18°C (64°F)
4:00
Mist
19°C (66°F)
5:00
Mist
20°C (68°F)
6:00
Clear
21°C (68°F)
7:00
Clear
22°C (71°F)
8:00
Clear
25°C (76°F)
9:00
Clear
27°C (80°F)
10:00
Patchy rain possible
29°C (83°F)
11:00
Patchy rain possible
30°C (86°F)
12:00
Patchy rain possible
31°C (87°F)
13:00
Patchy rain possible
31°C (87°F)
14:00
Patchy rain possible
30°C (86°F)
15:00
Patchy rain possible
30°C (84°F)
16:00
Patchy rain possible
28°C (82°F)
17:00
Patchy rain possible
25°C (77°F)
18:00
Patchy rain possible
24°C (74°F)
19:00
Patchy rain possible
23°C (72°F)
20:00
Patchy rain possible
22°C (71°F)
21:00
Patchy rain possible
22°C (71°F)
22:00
Partly cloudy
22°C (71°F)
23:00
Patchy rain possible
22°C (70°F)

Tomorrow - 16th December 2025

Sunrise 06:11

Sunrise

Sunset 17:56

Sunset
0:00
Clear
21°C (69°F)
1:00
Clear
21°C (68°F)
2:00
Clear
21°C (69°F)