| Climate data for Bintulu (1991–2020 normals, extremes 1915–present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 34.1 (93.4) |
33.7 (92.7) |
35.3 (95.5) |
36.0 (96.8) |
35.9 (96.6) |
36.0 (96.8) |
35.8 (96.4) |
36.3 (97.3) |
36.0 (96.8) |
34.6 (94.3) |
34.0 (93.2) |
34.7 (94.5) |
36.3 (97.3) |
| Mean daily maximum °C (°F) | 30.4 (86.7) |
30.4 (86.7) |
31.3 (88.3) |
31.9 (89.4) |
32.2 (90.0) |
32.1 (89.8) |
32.1 (89.8) |
32.1 (89.8) |
31.7 (89.1) |
31.3 (88.3) |
31.1 (88.0) |
30.9 (87.6) |
31.5 (88.7) |
| Daily mean °C (°F) | 26.3 (79.3) |
26.4 (79.5) |
26.9 (80.4) |
27.3 (81.1) |
27.5 (81.5) |
27.3 (81.1) |
27.2 (81.0) |
27.1 (80.8) |
26.9 (80.4) |
26.7 (80.1) |
26.7 (80.1) |
26.5 (79.7) |
26.9 (80.4) |
| Mean daily minimum °C (°F) | 23.6 (74.5) |
23.6 (74.5) |
23.8 (74.8) |
24.0 (75.2) |
24.2 (75.6) |
23.9 (75.0) |
23.7 (74.7) |
23.7 (74.7) |
23.6 (74.5) |
23.5 (74.3) |
23.6 (74.5) |
23.6 (74.5) |
23.8 (74.8) |
| Record low °C (°F) | 18.9 (66.0) |
19.9 (67.8) |
19.4 (66.9) |
21.1 (70.0) |
21.1 (70.0) |
20.0 (68.0) |
20.6 (69.1) |
20.6 (69.1) |
20.6 (69.1) |
21.1 (70.0) |
19.4 (66.9) |
20.0 (68.0) |
18.9 (66.0) |
| Average precipitation mm (inches) | 460.0 (18.11) |
299.5 (11.79) |
278.5 (10.96) |
272.7 (10.74) |
232.8 (9.17) |
245.4 (9.66) |
247.6 (9.75) |
298.0 (11.73) |
302.8 (11.92) |
372.1 (14.65) |
425.0 (16.73) |
453.6 (17.86) |
3,888 (153.07) |
| Average precipitation days (≥ 1.0 mm) | 18.0 | 14.0 | 12.9 | 15.1 | 13.3 | 13.6 | 13.3 | 13.3 | 15.3 | 18.3 | 20.2 | 20.4 | 187.7 |
| Average relative humidity (%) | 87 | 87 | 85 | 85 | 85 | 85 | 84 | 85 | 85 | 86 | 85 | 87 | 85 |
| Mean monthly sunshine hours | 142.1 | 151.0 | 178.1 | 192.9 | 204.3 | 201.3 | 203.5 | 186.7 | 171.2 | 171.2 | 164.8 | 163.6 | 2,130.7 |
| Source 1: World Meteorological Organization[1] | |||||||||||||
| Source 2: Deutscher Wetterdienst (humidity, 1930–1969),[2] Meteo Climat (record highs and lows)[3] | |||||||||||||
References
- ^ "World Meteorological Organization Climate Normals for 1991–2020". World Meteorological Organization. Retrieved 19 October 2023.
- ^ "Klimatafel von Bintulu / Insel Borneo (Kalimantan) / Malaysia" (PDF). Baseline climate means (1961-1990) from stations all over the world (in German). Deutscher Wetterdienst. Retrieved 10 June 2016.
- ^ "Station Bintulu" (in French). Meteo Climat. Retrieved 10 June 2016.