Climate data for Chennai, India (1971–2000)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Year
Record high °C (°F) 34.4
(93.9)
36.7
(98.1)
40.6
(105.1)
42.8
(109)
45.0
(113)
43.3
(109.9)
41.1
(106)
40.0
(104)
38.9
(102)
39.4
(102.9)
35.4
(95.7)
33.0
(91.4)
45.0
(113)
Average high °C (°F) 28.8
(83.8)
30.5
(86.9)
32.5
(90.5)
34.3
(93.7)
36.8
(98.2)
36.9
(98.4)
35.0
(95)
34.3
(93.7)
33.9
(93)
31.8
(89.2)
29.6
(85.3)
28.5
(83.3)
32.8
(91)
Average low °C (°F) 20.9
(69.6)
22.0
(71.6)
23.8
(74.8)
26.4
(79.5)
27.9
(82.2)
27.5
(81.5)
26.3
(79.3)
25.7
(78.3)
25.5
(77.9)
24.5
(76.1)
23.0
(73.4)
21.9
(71.4)
24.6
(76.3)
Record low °C (°F) 13.9
(57)
15.0
(59)
16.7
(62.1)
20.0
(68)
21.1
(70)
20.6
(69.1)
21.0
(69.8)
20.6
(69.1)
20.6
(69.1)
16.7
(62.1)
15.0
(59)
13.9
(57)
13.9
(57)
Average rainfall mm (inches) 22.5
(0.886)
2.2
(0.087)
4.0
(0.157)
7.7
(0.303)
43.9
(1.728)
55.9
(2.201)
100.3
(3.949)
140.4
(5.528)
137.3
(5.406)
278.8
(10.976)
407.4
(16.039)
191.1
(7.524)
୧,୩୯୧.୫
(୫୪.୭୮୩)
Average rainy days 1.3 0.4 0.3 0.6 1.4 4.0 6.9 8.5 7.1 10.6 11.7 6.3 59.1
Average relative humidity (%) 73 72 70 69 62 57 64 66 72 77 78 77 70
Mean monthly sunshine hours 268.3 268.1 293.6 290.2 279.9 202.6 185.2 193.6 198.6 194.6 182.7 204.3 ୨,୭୬୧.୭
Source #1: India Meteorological Department (temperatures and precipitation)[][]
Source #2: NOAA (sunshine duration and humidity 1971–1990)[]

References

  1. "Chennai- Climatological Information". India Meteorological Department. Retrieved 29 May 2014.
  2. India Meteorological Department. "Ever Recorded Maximum Temperature, Minimum Temperature and 24 Hours Heaviest Rainfall up to 2010" (PDF). India Meteorological Department, Pune. Retrieved 29 May 2014.
  3. "Madras (Chennai) Climate Normals 1971–1990". National Oceanic and Atmospheric Administration. Retrieved March 25, 2015.