Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In Pontian Besar, the coldest months are January and December, registering an average high-temperature of 29.8°C (85.6°F).Heat index
During December, the heat index is estimated at a fiery hot 38°C (100.4°F). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Heat index values might soar by up to 15 Fahrenheit (8 Celsius) degrees with exposure to direct sunshine.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
In high temperatures, perspiration kicks in, allowing the human body to cool down through the evaporation of sweat. In conditions of both high temperature and humidity (a high heat index), sweating is limited and the perception of heat is enhanced. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.
Humidity
December is the most humid month, with an average relative humidity of 82%.Rainfall
In December, the rain falls for 27.8 days. Throughout December, 155mm (6.1") of precipitation is accumulated. In Pontian Besar, during the entire year, the rain falls for 290.4 days and collects up to 1179mm (46.42") of precipitation.Daylight
December has the shortest days of the year in Pontian Besar, Malaysia, with an average of 12h and 0min of daylight.On the first day of the month, sunrise is at 6:54 am and sunset at 6:56 pm. On the last day of December, in Pontian Besar, sunrise is at 7:08 am and sunset at 7:10 pm +08.
Sunshine
The month with the least sunshine is December, with an average of 7.1h of sunshine.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Pontian Besar are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 7 during December translates into the following guidance:
Stay clear of intense sun exposure. Solar protection is of utmost significance. The Sun's UV radiation is most potent between 10 a.m. and 4 p.m. Try to limit direct exposure to the Sun during this period. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Frequently asked questions
What part of the year is the coldest in Pontian Besar?
How hot is December in Pontian Besar?
What is the most humid month in Pontian Besar?
What is the average humidity in December in Pontian Besar?
How much does it rain in Pontian Besar in December?
What is the month with the shortest days in Pontian Besar?
How many hours of daylight does Pontian Besar have in December?
When is the sunrise / sunset in December in Pontian Besar?
What is the month with the least sunshine in Pontian Besar?
How many hours of sunshine does Pontian Besar have in December?
What is the month with the highest UV index in Pontian Besar?
When is the lowest UV index in Pontian Besar?
What is the UV index intensity in December in Pontian Besar?
Average temperature in December
Pontian Besar, Malaysia
- Average high temperature in December: 29.8°C
The warmest month (with the highest average high temperature) is April (31.5°C).
The months with the lowest average high temperature are January and December (29.8°C).
- Average low temperature in December: 24.8°C
The month with the highest average low temperature is May (26.2°C).
The coldest month (with the lowest average low temperature) is February (24.3°C).
Average pressure in December
Pontian Besar, Malaysia
- Average pressure in December: 1009.2mbar
The month with the highest atmospheric pressure is February (1010.2mbar).
The month with the lowest atmospheric pressure is May (1008.5mbar).
Average wind speed in December
Pontian Besar, Malaysia
- Average wind speed in December: 8.2km/h
The windiest month (with the highest average wind speed) is January (9.4km/h).
The calmest month (with the lowest average wind speed) is April (6.3km/h).
Average humidity in December
Pontian Besar, Malaysia
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is September (74%).
Average rainfall in December
Pontian Besar, Malaysia
- Average rainfall in December: 155mm
The wettest month (with the highest rainfall) is November (161mm).
The driest month (with the least rainfall) is September (52mm).
Average rainfall days in December
Pontian Besar, Malaysia
- Average rainfall days in December: 27.8 days
The month with the highest number of rainy days is November (28.3 days).
The month with the least rainy days is February (19.4 days).
Average daylight in December /
Average sunshine in December
Pontian Besar, Malaysia
- Average daylight in December: 12h and 0min
The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 0min).
- Average sunshine in December: 7h and 1min
The month with the most sunshine is September (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in December
Pontian Besar, Malaysia
- Average sunshine days in December: 2.6 days
The months with the most sunshine days are January and February (7.4 days).
The month with the least sunshine days is November (1.4 days).
Average UV index in December
Pontian Besar, 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
Pontian Besar, Malaysia
- Average cloud cover in December: 49
The months with the most cloud cover are November and December (Cloud cover 49).
The months with the least cloud cover are June, July and September (Cloud cover 34).
Average visibility in December
Pontian Besar, 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).
Pontian Besar, Malaysia
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