December weather forecastMuntilan, Indonesia
December
Weather in December
December, the first month of the summer in Muntilan, is also a moderately hot month, with an average temperature varying between 24.5°C (76.1°F) and 29.5°C (85.1°F).Temperature
The average high-temperature for December is a warm 29.5°C (85.1°F), closely aligning with the temperature of the preceding month. December in Muntilan sees a slight dip to an average low temperature of 24.5°C (76.1°F) from the daytime highs.Heat index
The heat index for December is evaluated at a sweltering 35°C (95°F). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.When referencing the heat index, its values are suitable for shady environments and light breezes. Facing direct sunlight may hike up the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The impact of weather on an individual can be subjective, affected by the person's activity and heat perception, which can vary due to elements including wind, clothing, and metabolic differences. The sun, when shining directly, can have a significant impact on the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
To cool down, the human body relies on perspiration, a process where excessive heat is eliminated as sweat evaporates. When the level of relative humidity is elevated, evaporation diminishes, causing more warmth to be retained in the body than in dry air. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
The average relative humidity in December is 77%.Rainfall
In Muntilan, during December, the rain falls for 26.6 days and regularly aggregates up to 169mm (6.65") of precipitation. In Muntilan, during the entire year, the rain falls for 256.4 days and collects up to 1381mm (54.37") of precipitation.Daylight
With an average of 12h and 36min of daylight, December has the longest days of the year in Muntilan.On the first day of the month, sunrise is at 05:12 and sunset at 17:43. On the last day of December, sunrise is at 05:25 and sunset at 17:58 WIB.
Sunshine
With an average of 7.8h of sunshine, December has the least sunshine of the year.UV index
February through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index estimate of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 7 during December translates into the following recommendations:
Deflect overexposure. Sun protection is a necessity. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Muntilan, Indonesia
- Average high temperature in December: 29.5°C
The warmest month (with the highest average high temperature) is October (31°C).
The month with the lowest average high temperature is February (28.3°C).
- Average low temperature in December: 24.5°C
The month with the highest average low temperature is December (24.5°C).
The coldest month (with the lowest average low temperature) is July (22.6°C).
Average pressure in December
Muntilan, Indonesia
- Average pressure in December: 1009.1mbar
The month with the highest atmospheric pressure is September (1011.5mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).
Average wind speed in December
Muntilan, Indonesia
- Average wind speed in December: 6.8km/h
The windiest month (with the highest average wind speed) is January (10.2km/h).
The calmest months (with the lowest average wind speed) are April and November (5.5km/h).
Average humidity in December
Muntilan, Indonesia
- Average humidity in December: 77%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is September (71%).
Average rainfall in December
Muntilan, Indonesia
- Average rainfall in December: 169mm
The wettest month (with the highest rainfall) is January (235mm).
The driest month (with the least rainfall) is August (22mm).
Average rainfall days in December
Muntilan, Indonesia
- Average rainfall days in December: 26.6 days
The month with the highest number of rainy days is January (28.9 days).
The month with the least rainy days is August (10 days).
Average daylight in December /
Average sunshine in December
Muntilan, Indonesia
- Average daylight in December: 12h and 36min
The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in December: 7h and 48min
The months with the most sunshine are August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).
Average sunshine days in December
Muntilan, Indonesia
- Average sunshine days in December: 2.1 days
The month with the most sunshine days is August (18.1 days).
The months with the least sunshine days are January and February (0.8 days).
Average UV index in December
Muntilan, Indonesia
- Average UV index in December: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in December
Muntilan, Indonesia
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in December
Muntilan, Indonesia
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
