December weather forecastPasso, Indonesia
December
Weather in December
The first month of the summer, December, is still a warm month in Passo, Indonesia, with an average temperature varying between 29.5°C (85.1°F) and 27.3°C (81.1°F).Temperature
December is the month when Passo, Indonesia, sees the highest average temperatures, with a high of 29.5°C (85.1°F) and a low of 27.3°C (81.1°F).Heat index
In December, the heat index is estimated at a very hot 35°C (95°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Perspiration and the resultant sweat evaporation are the body's natural thermostat, helping regulate temperature. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
November and December, with an average relative humidity of 74%, are the least humid months.Rainfall
In Passo, during December, the rain falls for 27.1 days and regularly aggregates up to 131mm (5.16") of precipitation. In Passo, during the entire year, the rain falls for 289 days and collects up to 1570mm (61.81") of precipitation.Sea temperature
December is the month with the warmest seawater, with an average sea temperature of 30°C (86°F).Note: Experiencing water temperatures over 30°C (86°F) might rob swimmers of the refreshing sensation they seek.
Daylight
The month with the longest days in Passo is December, with an average of 12h and 18min of daylight.On the first day of the month, sunrise is at 06:06 and sunset at 18:25. On the last day of December, sunrise is at 06:20 and sunset at 18:39 WIT.
Sunshine
In Passo, the average sunshine in December is 8.6h.UV index
January through May, August through December, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 7 in December translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Alert! UV radiation becomes sharper due to reflections from sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Passo, Indonesia
- Average high temperature in December: 29.5°C
The warmest month (with the highest average high temperature) is December (29.5°C).
The month with the lowest average high temperature is August (26.6°C).
- Average low temperature in December: 27.3°C
The month with the highest average low temperature is December (27.3°C).
The coldest month (with the lowest average low temperature) is August (24.7°C).
Average pressure in December
Passo, Indonesia
- Average pressure in December: 1007.9mbar
The month with the highest atmospheric pressure is August (1011.1mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).
Average wind speed in December
Passo, Indonesia
- Average wind speed in December: 10.1km/h
The windiest month (with the highest average wind speed) is July (19.2km/h).
The calmest month (with the lowest average wind speed) is November (8.4km/h).
Average humidity in December
Passo, Indonesia
- Average humidity in December: 74%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are November and December (74%).
Average rainfall in December
Passo, Indonesia
- Average rainfall in December: 131mm
The wettest month (with the highest rainfall) is June (232mm).
The driest months (with the least rainfall) are September and October (59mm).
Average rainfall days in December
Passo, Indonesia
- Average rainfall days in December: 27.1 days
The month with the highest number of rainy days is March (27.5 days).
The month with the least rainy days is October (18.4 days).
Average sea temperature in December
Passo, Indonesia
- Average sea temperature in December: 30°C
The best month for swimming (with the highest average sea temperature) is December (30°C).
The coldest month (with the lowest average sea temperature) is August (27.2°C).
Average daylight in December /
Average sunshine in December
Passo, Indonesia
- Average daylight in December: 12h and 18min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in December: 8h and 36min
The month with the most sunshine is November (Average sunshine: 9h and 0min).
The month with the least sunshine is July (Average sunshine: 5h and 54min).
Average sunshine days in December
Passo, Indonesia
- Average sunshine days in December: 3.1 days
The month with the most sunshine days is October (7.8 days).
The month with the least sunshine days is April (2.1 days).
Average UV index in December
Passo, Indonesia
- Average UV index in December: 7
The months with the highest UV index are January, February, March, April, May, August, September, October, November and December (UV index 7).
The months with the lowest UV index are June and July (UV index 6).
Average cloud cover in December
Passo, Indonesia
- Average cloud cover in December: 39
The month with the most cloud cover is July (Cloud cover 60).
The month with the least cloud cover is November (Cloud cover 30).
Average visibility in December
Passo, Indonesia
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is April (9km).
