Kurunegala features a tropical rainforest climate under the Köppen climate classification. The city's climate is tropical and hot all throughout the year. The surrounding rocks play a major role in determining Kurunegala's weather since these rocks increase and retain the heat of the day. During the month of April the temperature can rise up to about 35 °C (95 °F). The only major change in the Kurunegala weather occurs during the monsoons from May to August and October to January, this is the time of year where heavy rains can be expected. While the city does experience a noticeably drier weather during January and February, it does not qualify as a true dry season as average precipitation in both months are above 60 millimetres (2 in). In general, temperatures from late November to mid February period are lower than the rest of the year.
The average annual rainfall in Kurunegala is about 2,000 millimetres (79 in).
[hide]Climate data for Kurunegala, Sri Lanka (1961-1990)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 35.6
(96.1)
37.6
(99.7)
39.2
(102.6)
39.0
(102.2)
37.7
(99.9)
35.5
(95.9)
35.3
(95.5)
35.7
(96.3)
37.2
(99.0)
36.7
(98.1)
34.0
(93.2)
39.0
(102.2)
39.2
(102.6)
Average high °C (°F) 30.8
(87.4)
33.1
(91.6)
34.5
(94.1)
33.5
(92.3)
32.2
(90.0)
31.0
(87.8)
30.8
(87.4)
31.1
(88.0)
31.5
(88.7)
31.3
(88.3)
30.9
(87.6)
30.1
(86.2)
31.7
(89.1)
Daily mean °C (°F) 25.7
(78.3)
27.0
(80.6)
28.4
(83.1)
28.6
(83.5)
28.3
(82.9)
27.6
(81.7)
27.3
(81.1)
27.4
(81.3)
27.5
(81.5)
27.0
(80.6)
26.5
(79.7)
25.9
(78.6)
27.3
(81.1)
Average low °C (°F) 20.7
(69.3)
20.9
(69.6)
22.4
(72.3)
23.6
(74.5)
24.4
(75.9)
24.2
(75.6)
23.9
(75.0)
23.8
(74.8)
23.5
(74.3)
22.8
(73.0)
22.1
(71.8)
21.7
(71.1)
22.8
(73.0)
Record low °C (°F) 14.6
(58.3)
14.7
(58.5)
16.2
(61.2)
20.4
(68.7)
20.3
(68.5)
20.8
(69.4)
20.2
(68.4)
19.4
(66.9)
19.2
(66.6)
18.3
(64.9)
15.7
(60.3)
14.8
(58.6)
14.6
(58.3)
Precipitation mm (inches) 62
(2.44)
92
(3.62)
138
(5.43)
262
(10.31)
194
(7.64)
156
(6.14)
114
(4.49)
93
(3.66)
159
(6.26)
359
(14.13)
327
(12.87)
139
(5.47)
2,095
(82.48)
humidity 65 59 60 69 73 74 73 71 71 74 74 72 69.6