| Average climate data for Kumai, Indonesia | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°C) | 32 | 32 | 32 | 32 | 33 | 32 | 32 | 33 | 34 | 34 | 33 | 32 | 34 |
| Average minimum temperature (°C) | 24 | 23 | 23 | 23 | 24 | 23 | 22 | 23 | 23 | 24 | 24 | 24 | 22 |
| Average precipitation (mm) | 111 | 127 | 122 | 138 | 98 | 83 | 70 | 63 | 48 | 108 | 156 | 140 | 1,264 |
| Average rainfall days (days) | 22 | 22 | 24 | 25 | 24 | 20 | 18 | 18 | 17 | 23 | 26 | 25 | 261 |
| Average relative humidity (%) | 81 | 83 | 83 | 83 | 82 | 82 | 82 | 76 | 74 | 76 | 81 | 82 | 80 |
| Average wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 5 | 4 | 4 | 4 |
| Average daily daylight hours (h) | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
| Average daily sunshine hours (h) | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 7 | 7 | 6 | 7 |
| Average cloud coverage (%) | 54 | 58 | 58 | 58 | 52 | 52 | 50 | 44 | 40 | 43 | 54 | 60 | 52 |
| Average UV index | 7 | 7 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 6 | 7 |
The warmest month, with the highest average maximum temperature, is October (33.7 °C). The month with the lowest average maximum temperature is December (32 °C). Overall, the average maximum temperature over the whole year is 32.6 °C.
The month with the highest average minimum temperature is December (23.9 °C). The coldest month, with the lowest average minimum temperature, is July (22.5 °C). Overall, the average minimum temperature over the whole year is 23.3 °C.
The wettest month, with the highest amount of precipitation, is November (156.2 mm). The driest month, with the least amount of precipitation, is September (47.9 mm). Over the whole year there are 1,263.7 mm of rainfall on average.
The month with the most days of rain is November (25.8 days). The month with the fewest days of rain is September (16.8 days). Over the whole year there are 261.5 days of rain on average.
The month with the highest average relative humidity is April (83.4 %). The month with the lowest average relative humidity is September (73.6 %). The overall average relative humidity over the whole year is 80.4 %.
The windiest month, with the highest average wind speed, is September (5.6 km/h). The calmest month, with the lowest average wind speed, is April (3.7 km/h). The overall average wind speed over the whole year is 4.4 km/h.
The month with the cloudiest skies, so the highest cloud coverage, is December (59.8 %). The month with the clearest skies, so the lowest cloud coverage, is September (39.7 %). Over the whole year there is an average cloud coverage of 51.9 %.
The months with the longest days, so the most daylight, are January and December (Average daylight: 12 h). The months with the shortest days, so the least daylight, are May, June, July and August (Average daylight: 12 h). Over the whole year there are 12 h of daylight per day on average.
The month with the most sunshine per day is September (Average sunshine: 8.1 h). The month with the least sunshine per day is February (Average sunshine: 6 h). Over the whole year there are 7.1 h of sunlight per day on average.
The months with the highest average UV index are January, February, April, May, June, July, August, September, October and November (UV index: 7). The months with the lowest average UV index are March and December (UV index: 6). Over the whole year the average UV index is 6.8.
