December weather forecast
Cimahi, Indonesia

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Weather in December

December's weather in Cimahi is characterized by substantial rainfall, recording a higher average of 79mm (3.11"). Consistent with the previous month, the weather remains warm and a bit heavy on humidity. The city slips into a cyclic routine of warm days and cool nights. With the increase in showers, the pressure records a downward trend to 1009.2mb. The visibility remains unaffected, illuminating the city's intricate architecture and lively streets.

Temperature

The onset of December notes an average high-temperature of a still tropical 31.1°C (88°F), subtly shifted from November's 32.3°C (90.1°F). December sees the temperature falling to a mean low of 24.3°C (75.7°F).

Heat index

The heat index in December is estimated at a very hot 39°C (102.2°F). Adopt extra safety steps, risk of heat exhaustion and heat cramps is notable. Sustained activity might cause heatstroke.
In terms of the heat index, values are set with light wind and shade conditions in mind. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', is a composite of temperature and humidity figures to convey how warm it feels. 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. 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 particularly relevant to babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Perspiring is the body's way of cooling down, particularly by allowing sweat to evaporate and take the heat with it. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

In Cimahi, the average relative humidity in December is 74%.

Rainfall

In Cimahi, in December, during 18.1 rainfall days, 79mm (3.11") of precipitation is typically accumulated. Throughout the year, there are 139.1 rainfall days, and 518mm (20.39") of precipitation is accumulated.

Daylight

December has the longest days of the year, with an average of 12h and 30min of daylight.
On the first day of the month, sunrise is at 05:24 and sunset at 17:53. On the last day of December, sunrise is at 05:37 and sunset at 18:08 WIB.

Sunshine

In Cimahi, the average sunshine in December is 9h.

UV index

The months with the highest UV index are January through December, with an average maximum UV index of 7. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, an average UV index of 7 transforms into the following instructions:
Avert overexposure. Light-skinned people might experience burning in less than 20 minutes. 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. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

How hot is December in Cimahi?

Cimahi in December has an average high-temperature of 31.1°C (88°F) and an average low-temperature of 24.3°C (75.7°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in December is estimated at 39°C (102.2°F).

What is the average humidity in December?

In December, the average relative humidity is 74%.

How many days does it rain in December?

In December, the rain falls for 18.1 days. Throughout December, 79mm (3.11") of precipitation is accumulated.

When are the longest days?

The month with the longest days is December, with an average of 12h and 30min of daylight.

How many hours of daylight does Cimahi have in December?

The average day length in December is 12h and 31min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 05:24 and sunset at 17:53. On the last day of the month, sunrise is at 05:37 and sunset at 18:08 WIB.

How long on average sun shines in December?

In December, the average sunshine duration is 9h.

When is the highest UV index?

January through December, with an average maximum UV index of 7, are months with the highest UV index.

When is the lowest UV index?

The months with the lowest UV index are January through December, with an average maximum UV index of 7.

How high is the UV index in December in Cimahi?

In Cimahi, the average daily maximum UV index in December is 7. A UV Index estimate of 6 to 7 represents a high health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in December
Cimahi, Indonesia

Average temperature in December - Cimahi, Indonesia
  • Average high temperature in December: 31.1°C

The warmest month (with the highest average high temperature) is October (33.4°C).
The month with the lowest average high temperature is February (29.8°C).

  • Average low temperature in December: 24.3°C

The month with the highest average low temperature is November (24.7°C).
The coldest month (with the lowest average low temperature) is July (21.3°C).

Average pressure in December
Cimahi, Indonesia

Average pressure in December - Cimahi, Indonesia
  • Average pressure in December: 1009.2mbar

The month with the highest atmospheric pressure is September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1009.2mbar).

Average wind speed in December
Cimahi, Indonesia

Average wind speed in December - Cimahi, Indonesia
  • Average wind speed in December: 6.3km/h

The windiest month (with the highest average wind speed) is January (8.6km/h).
The calmest months (with the lowest average wind speed) are April and November (6km/h).

Average humidity in December
Cimahi, Indonesia

Average humidity in December - Cimahi, Indonesia
  • Average humidity in December: 74%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is September (63%).

Average rainfall in December
Cimahi, Indonesia

Average rainfall in December - Cimahi, Indonesia
  • Average rainfall in December: 79mm

The wettest months (with the highest rainfall) are February and March (90mm).
The driest month (with the least rainfall) is August (4mm).

Average rainfall days in December
Cimahi, Indonesia

Average rainfall days in December - Cimahi, Indonesia
  • Average rainfall days in December: 18.1 days

The months with the highest number of rainy days are March and December (18.1 days).
The month with the least rainy days is August (2.6 days).

Average daylight in December /
Average sunshine in December
Cimahi, Indonesia

Average daylight in December / Average sunshine in December - Cimahi, Indonesia
  • Average daylight in December: 12h and 3min

The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in December: 9h and 0min

The month with the most sunshine is February (Average sunshine: 9h and 42min).
The month with the least sunshine is July (Average sunshine: 7h and 24min).

Average sunshine days in December
Cimahi, Indonesia

Average sunshine days in December - Cimahi, Indonesia
  • Average sunshine days in December: 8.7 days

The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is February (7.4 days).

Average UV index in December
Cimahi, Indonesia

Average UV index in December - Cimahi, Indonesia
  • 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
Cimahi, Indonesia

Average cloud cover in December - Cimahi, Indonesia
  • Average cloud cover in December: 43

The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 17).

Average visibility in December
Cimahi, Indonesia

Average visibility in December - Cimahi, Indonesia
  • 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).

Cimahi, Indonesia

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