December weather forecast
Suwawa, Indonesia

December

Weather in December

December, the first month of the winter in Suwawa, is still a tropical month, with an average temperature ranging between min 23.4°C (74.1°F) and max 30.5°C (86.9°F).

Temperature

Suwawa sees an average high-temperature of a still hot 30.5°C (86.9°F) as it transitions into December, consistent with November. During the month of December, Suwawa experiences a steady low-temperature average of 23.4°C (74.1°F).

Heat index

December's heat index is calculated to be a blisteringly hot 40°C (104°F). Implement enhanced safety actions, heat cramps and heat exhaustion could occur. Sustained activity might result in heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. Heat index values can rise by 15 Fahrenheit (8 Celsius) degrees when in direct sunlight.
Note: The heat index, also known as 'felt air temperature' or 'real feel', blends air temperature and moisture content to represent the felt temperature to humans. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Greater relative humidity lessens the rate of evaporation, thus decreasing the body's heat dispersal, which gives rise to a sensation of overheating. When body heat isn't effectively managed, risks of dehydration and overheating amplify.

Humidity

In Suwawa, the average relative humidity in December is 82%.

Rainfall

In Suwawa, in December, it is raining for 21.8 days, with typically 91mm (3.58") of accumulated precipitation. In Suwawa, during the entire year, the rain falls for 209.8 days and collects up to 759mm (29.88") of precipitation.

Daylight

December has the shortest days of the year, with an average of 12h and 6min of daylight.
On the first day of December, sunrise is at 05:33 and sunset at 17:39. On the last day of the month, sunrise is at 05:47 and sunset at 17:53 WITA.

Sunshine

In Suwawa, the average sunshine in December is 8.1h.

UV index

The months with the highest UV index in Suwawa are January through May, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 7 in December interprets into the following advice:
Guard oneself from overexposure. Defence against sun injury is vital. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

Is it hot during December?
The average high-temperature and low-temperature during December are 30.5°C (86.9°F) and 23.4°C (74.1°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in December is calculated to be 40°C (104°F).
What is the average humidity in December?
In Suwawa, the average relative humidity in December is 82%.
How much does it rain in December?
In December, the rain falls for 21.8 days. Throughout December, 91mm (3.58") of precipitation is accumulated.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 12h and 6min of daylight.
What is the average length of the day in December?
In Suwawa, the average day length in December is 12h and 5min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 05:33 and sunset at 17:39. On the last day of the month, sunrise is at 05:47 and sunset at 17:53 WITA.
How long on average sun shines in December?
In Suwawa, the average sunshine duration in December is 8.1h.
What is the month with the highest UV index in Suwawa?
January through May, September through December, with an average maximum UV index of 7, are months with the highest UV index.
How high is the UV index in December?
The average daily maximum UV index in December is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Suwawa, Indonesia
  • Average high temperature in December: 30.5°C

The warmest month (with the highest average high temperature) is March (30.8°C).
The month with the lowest average high temperature is July (28.4°C).

  • Average low temperature in December: 23.4°C

The month with the highest average low temperature is December (23.4°C).
The coldest months (with the lowest average low temperature) are July, August and September (22.4°C).

Average pressure in December
Suwawa, Indonesia
  • Average pressure in December: 1008.4mbar

The months with the highest atmospheric pressure are August and September (1010.1mbar).
The month with the lowest atmospheric pressure is December (1008.4mbar).

Average wind speed in December
Suwawa, Indonesia
  • Average wind speed in December: 4.8km/h

The windiest month (with the highest average wind speed) is August (8.5km/h).
The calmest months (with the lowest average wind speed) are April and November (4.3km/h).

Average humidity in December
Suwawa, Indonesia
  • Average humidity in December: 82%

The months with the highest relative humidity are April, May, June and July (84%).
The month with the lowest relative humidity is September (78%).

Average rainfall in December
Suwawa, Indonesia
  • Average rainfall in December: 91mm

The wettest month (with the highest rainfall) is April (111mm).
The driest month (with the least rainfall) is September (16mm).

Average rainfall days in December
Suwawa, Indonesia
  • Average rainfall days in December: 21.8 days

The month with the highest number of rainy days is April (22.1 days).
The month with the least rainy days is September (9.6 days).

Average daylight in December /
Average sunshine in December
Suwawa, Indonesia
  • Average daylight in December: 12h and 1min

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 6min).

  • Average sunshine in December: 8h and 1min

The month with the most sunshine is February (Average sunshine: 10h and 0min).
The month with the least sunshine is June (Average sunshine: 7h and 24min).

Average sunshine days in December
Suwawa, Indonesia
  • Average sunshine days in December: 7.7 days

The month with the most sunshine days is September (18.8 days).
The month with the least sunshine days is April (6.7 days).

Average UV index in December
Suwawa, Indonesia
  • Average UV index in December: 7

The months with the highest UV index are January, February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are June, July and August (UV index 6).

Average cloud cover in December
Suwawa, Indonesia
  • Average cloud cover in December: 45

The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are September and October (Cloud cover 36).

Average visibility in December
Suwawa, Indonesia
  • Average visibility in December: 8km

The months with the highest visibility are January, February, March, August and September (9km).
The months with the lowest visibility are April, May, June, July, October, November and December (8km).

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