| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record high °C (°F) | 31.1 (88.0) |
34.8 (94.6) |
40.6 (105.1) |
44.0 (111.2) |
41.5 (106.7) |
40.6 (105.1) |
37.9 (100.2) |
37.7 (99.9) |
38.4 (101.1) |
37.4 (99.3) |
34.5 (94.1) |
32.0 (89.6) |
44.0 (111.2) |
| Mean daily maximum °C (°F) | 24.0 (75.2) |
27.6 (81.7) |
31.4 (88.5) |
33.3 (91.9) |
33.4 (92.1) |
33.1 (91.6) |
32.4 (90.3) |
32.7 (90.9) |
32.5 (90.5) |
32.1 (89.8) |
30.2 (86.4) |
26.1 (79.0) |
30.7 (87.3) |
| Daily mean °C (°F) | 17.3 (63.1) |
21.1 (70.0) |
25.3 (77.5) |
27.8 (82.0) |
28.4 (83.1) |
29.0 (84.2) |
29.0 (84.2) |
29.2 (84.6) |
28.5 (83.3) |
26.7 (80.1) |
22.8 (73.0) |
18.6 (65.5) |
25.3 (77.5) |
| Mean daily minimum °C (°F) | 11.6 (52.9) |
14.7 (58.5) |
19.3 (66.7) |
22.8 (73.0) |
24.2 (75.6) |
26.0 (78.8) |
26.4 (79.5) |
26.6 (79.9) |
25.9 (78.6) |
23.6 (74.5) |
18.5 (65.3) |
13.9 (57.0) |
21.1 (70.0) |
| Record low °C (°F) | 4.5 (40.1) |
6.7 (44.1) |
10.6 (51.1) |
16.7 (62.1) |
17.3 (63.1) |
19.4 (66.9) |
21.1 (70.0) |
21.7 (71.1) |
21.1 (70.0) |
17.2 (63.0) |
11.0 (51.8) |
4.9 (40.8) |
4.5 (40.1) |
| Average precipitation mm (inches) | 8 (0.3) |
15 (0.6) |
21 (0.8) |
82 (3.2) |
210 (8.3) |
309 (12.2) |
338 (13.3) |
278 (10.9) |
277 (10.9) |
151 (5.9) |
7 (0.3) |
7 (0.3) |
1,703 (67) |
| Average precipitation days (≥ 1 mm) | 1 | 2 | 3 | 6 | 13 | 16 | 20 | 19 | 16 | 8 | 1 | 1 | 106 |
| Average relative humidity (%) | 71 | 64 | 62 | 71 | 76 | 82 | 83 | 82 | 83 | 78 | 73 | 73 | 75 |
| Mean monthly sunshine hours | 188.4 | 212.9 | 239.4 | 215.1 | 197.0 | 148.2 | 150.0 | 155.9 | 159.0 | 222.2 | 226.8 | 203.4 | 2,318.3 |
| Source 1: NOAA[1] | |||||||||||||
| Source 2: Bangladesh Meteorological Department (humidity 1981-2010)[2][3] | |||||||||||||
- ^ "World Meteorological Organization Climate Normals for 1991-2020". National Oceanic and Atmospheric Administration. Retrieved June 13, 2024.
- ^ "Climate of Bangladesh" (PDF). Bangladesh Meteorological Department. Archived from the original (PDF) on 24 December 2018. Retrieved 24 December 2018.
- ^ "Normal Monthly Humidity" (PDF). Bangladesh Meteorological Department. Archived from the original on 24 December 2018. Retrieved 26 April 2018.