| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 31.1 (88.0) |
35.9 (96.6) |
40.6 (105.1) |
42.3 (108.1) |
41.1 (106.0) |
38.7 (101.7) |
38.0 (100.4) |
37.5 (99.5) |
36.7 (98.1) |
37.4 (99.3) |
34.5 (94.1) |
33.0 (91.4) |
42.3 (108.1) |
| Mean daily maximum °C (°F) | 25.1 (77.2) |
28.3 (82.9) |
32.5 (90.5) |
33.8 (92.8) |
33.4 (92.1) |
32.5 (90.5) |
31.8 (89.2) |
32.1 (89.8) |
32.0 (89.6) |
31.8 (89.2) |
29.7 (85.5) |
26.5 (79.7) |
30.8 (87.4) |
| Daily mean °C (°F) | 18.6 (65.5) |
22.0 (71.6) |
26.3 (79.3) |
28.4 (83.1) |
28.8 (83.8) |
29.0 (84.2) |
28.7 (83.7) |
28.9 (84.0) |
28.5 (83.3) |
27.4 (81.3) |
24.0 (75.2) |
20.0 (68.0) |
25.9 (78.6) |
| Mean daily minimum °C (°F) | 13.1 (55.6) |
16.2 (61.2) |
20.8 (69.4) |
23.8 (74.8) |
24.8 (76.6) |
26.2 (79.2) |
26.3 (79.3) |
26.4 (79.5) |
25.9 (78.6) |
23.9 (75.0) |
19.4 (66.9) |
14.8 (58.6) |
21.8 (71.2) |
| Record low °C (°F) | 5.6 (42.1) |
6.7 (44.1) |
10.6 (51.1) |
16.7 (62.1) |
19.0 (66.2) |
21.9 (71.4) |
21.1 (70.0) |
21.7 (71.1) |
21.1 (70.0) |
17.2 (63.0) |
10.6 (51.1) |
7.2 (45.0) |
5.6 (42.1) |
| Average precipitation mm (inches) | 7.5 (0.30) |
23.7 (0.93) |
61.7 (2.43) |
140.6 (5.54) |
278.4 (10.96) |
346.5 (13.64) |
375.5 (14.78) |
292.9 (11.53) |
340.0 (13.39) |
174.5 (6.87) |
31.1 (1.22) |
12.1 (0.48) |
2,084.5 (82.07) |
| Average rainy days | 2 | 3 | 5 | 10 | 15 | 14 | 17 | 16 | 13 | 7 | 2 | 1 | 105 |
| Average relative humidity (%) | 71 | 64 | 62 | 71 | 76 | 82 | 83 | 82 | 83 | 78 | 73 | 73 | 75 |
| Mean monthly sunshine hours | 220.3 | 225.3 | 256.3 | 237.8 | 220.9 | 142.2 | 131.5 | 140.6 | 152.7 | 228.6 | 236.3 | 242.6 | 2,435.1 |
| Source 1: Bangladesh Meteorological Department[1][2][3] | |||||||||||||
| Source 2: Sistema de Clasificación Bioclimática Mundial (extremes 1934–1994),[4] Deutscher Wetterdienst (sun, 1961–1990)[5][6][7] | |||||||||||||