December weather forecastBukit Rotan, Malaysia
December
Weather in December
December, the first month of the winter in Bukit Rotan, is still a warm month, with temperature in the range of an average low of 24.8°C (76.6°F) and an average high of 29.7°C (85.5°F).Temperature
In Bukit Rotan, December is the coldest month, with temperatures averaging a high of 29.7°C (85.5°F) and a low of 24.8°C (76.6°F).Heat index
Throughout December, the heat index is appraised at a fiery hot 37°C (98.6°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.The metrics for the heat index are tailored for both shady environments and light winds. If directly exposed to the sun, the heat index could rise by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. You should know that direct sun exposure can heighten weather effects, potentially elevating the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. As body temperatures escalate without effective heat release, one might face dehydration threats.
Humidity
December is the most humid month, with an average relative humidity of 80%.Rainfall
The wettest months in Bukit Rotan, Malaysia, are November and December, with an average 111mm (4.37") of rainfall.Daylight
The month with the shortest days in Bukit Rotan is December, with an average of 11h and 54min of daylight.On the first day of December, sunrise is at 7:05 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:15 pm +08.
Sunshine
The average sunshine in December is 8h.UV index
The months with the highest UV index in Bukit Rotan are January through December, with an average maximum UV index of 7. The months with the lowest UV index are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 7 in December converts into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bukit Rotan, Malaysia
- Average high temperature in December: 29.7°C
The warmest month (with the highest average high temperature) is May (31.3°C).
The month with the lowest average high temperature is December (29.7°C).
- Average low temperature in December: 24.8°C
The month with the highest average low temperature is May (25.9°C).
The coldest month (with the lowest average low temperature) is January (24.3°C).
Average pressure in December
Bukit Rotan, Malaysia
- Average pressure in December: 1009.7mbar
The month with the highest atmospheric pressure is January (1010.5mbar).
The months with the lowest atmospheric pressure are May and June (1008.8mbar).
Average wind speed in December
Bukit Rotan, Malaysia
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is July (8.5km/h).
The calmest month (with the lowest average wind speed) is December (6.8km/h).
Average humidity in December
Bukit Rotan, Malaysia
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are July, August and September (73%).
Average rainfall in December
Bukit Rotan, Malaysia
- Average rainfall in December: 111mm
The wettest months (with the highest rainfall) are November and December (111mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in December
Bukit Rotan, Malaysia
- Average rainfall days in December: 25.4 days
The month with the highest number of rainy days is November (26.6 days).
The month with the least rainy days is February (19.7 days).
Average daylight in December /
Average sunshine in December
Bukit Rotan, Malaysia
- Average daylight in December: 11h and 54min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in December: 8h and 0min
The months with the most sunshine are February, June and July (Average sunshine: 9h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 54min).
Average sunshine days in December
Bukit Rotan, Malaysia
- Average sunshine days in December: 4 days
The month with the most sunshine days is July (6.9 days).
The month with the least sunshine days is November (2.5 days).
Average UV index in December
Bukit Rotan, Malaysia
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in December
Bukit Rotan, Malaysia
- Average cloud cover in December: 45
The month with the most cloud cover is November (Cloud cover 47).
The months with the least cloud cover are June and July (Cloud cover 31).
Average visibility in December
Bukit Rotan, Malaysia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





