December weather forecast
Mriyan, Indonesia

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Weather in December

The first month of the summer, December, is still a warm month in Mriyan, Indonesia, with an average temperature ranging between max 28.5°C (83.3°F) and min 23.1°C (73.6°F).

Temperature

In December, Mriyan experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 28.4°C (83.1°F) in November to a still moderately hot 28.5°C (83.3°F). In Mriyan, the average nighttime temperature during December is a still warm 23.1°C (73.6°F).

Heat index

The average heat index in December is appraised at a tropical 34°C (93.2°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', melds the effects of warmth and moisture to generate a feeling of heat. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. Typically, young kids are at a higher risk than adults since they sweat less. Also, the larger skin surface in proportion to their small bodies and the heightened heat production due to their active nature adds to their vulnerability.

Humidity

The average relative humidity in December in Mriyan is 82%.

Rainfall

In December, in Mriyan, the rain falls for 29.5 days. Throughout December, 200mm (7.87") of precipitation is accumulated. In Mriyan, Indonesia, during the entire year, the rain falls for 296.5 days and collects up to 1844mm (72.6") of precipitation.

Daylight

December has the longest days of the year, with an average of 12h and 36min of daylight.
On the first day of the month, sunrise is at 05:11 and sunset at 17:43. On the last day of December, sunrise is at 05:24 and sunset at 17:57 WIB.

Sunshine

The month with the least sunshine in Mriyan is December, with an average of 7.4h of sunshine.

UV index

January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index. A UV Index estimate of 6 to 7 represents a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 6 in December interprets into the following advice:
Act on precautions and pay attention to sun safety recommendations. Avoidance of sunburn is obligatory. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Updated: Jan 25, 2024 | Published by: Weather Atlas | About Us / Weather Forecasting / Data Sources

Frequently asked questions

How hot does it get in Mriyan in December?

The average high-temperature, in December, in Mriyan, is 28.5°C (83.3°F), while the average low-temperature is 23.1°C (73.6°F). In December, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is appraised at 34°C (93.2°F).

What is the average humidity in December in Mriyan?

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

How many days does it rain in December in Mriyan?

In Mriyan, Indonesia, during December, the rain falls for 29.5 days and regularly aggregates up to 200mm (7.87") of precipitation.

When are the longest days in Mriyan?

The month with the longest days is December, with an average of 12h and 36min of daylight.

How many hours of daylight does Mriyan have in December?

In Mriyan, the average day length in December is 12h and 34min.

When are sunrise and sunset in December in Mriyan?

In December, on the first day of the month, sunrise is at 05:11 and sunset at 17:43. On the last day of the month, in Mriyan, Indonesia, sunrise is at 05:24 and sunset at 17:57 WIB.

What is the month with the least sunshine in Mriyan?

The month with the least sunshine is December, with an average of 7.4h of sunshine.

How many hours of sunshine does Mriyan have in December?

The average sunshine duration in December is 7.4h.

What is the month with the lowest UV index in Mriyan?

January, April through September, November and December, with an average maximum UV index of 6, are months with the lowest UV index in Mriyan, Indonesia.

What is the UV index reading in December in Mriyan?

In December, the average daily maximum UV index in Mriyan is 6. A UV Index estimate of 6 to 7 represents a high health risk from exposure to Sun's UV rays.

Average temperature in December
Mriyan, Indonesia

Average temperature in December - Mriyan, Indonesia
  • Average high temperature in December: 28.5°C

The warmest month (with the highest average high temperature) is October (29.1°C).
The month with the lowest average high temperature is July (27.3°C).

  • Average low temperature in December: 23.1°C

The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).

Average pressure in December
Mriyan, Indonesia

Average pressure in December - Mriyan, Indonesia
  • Average pressure in December: 1009.1mbar

The months with the highest atmospheric pressure are August and September (1011.8mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in December
Mriyan, Indonesia

Average wind speed in December - Mriyan, Indonesia
  • Average wind speed in December: 8.2km/h

The windiest month (with the highest average wind speed) is August (11.5km/h).
The calmest month (with the lowest average wind speed) is April (6.9km/h).

Average humidity in December
Mriyan, Indonesia

Average humidity in December - Mriyan, Indonesia
  • Average humidity in December: 82%

The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).

Average rainfall in December
Mriyan, Indonesia

Average rainfall in December - Mriyan, Indonesia
  • Average rainfall in December: 200mm

The wettest month (with the highest rainfall) is March (242mm).
The driest month (with the least rainfall) is August (25mm).

Average rainfall days in December
Mriyan, Indonesia

Average rainfall days in December - Mriyan, Indonesia
  • Average rainfall days in December: 29.5 days

The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.6 days).

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

Average daylight in December / Average sunshine in December - Mriyan, Indonesia
  • Average daylight in December: 12h and 4min

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 2min

The month with the most sunshine is February (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in December
Mriyan, Indonesia

Average sunshine days in December - Mriyan, Indonesia
  • Average sunshine days in December: 0.9 days

The month with the most sunshine days is August (12.3 days).
The month with the least sunshine days is March (0.5 days).

Average UV index in December
Mriyan, Indonesia

Average UV index in December - Mriyan, Indonesia
  • Average UV index in December: 6

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

Average cloud cover in December
Mriyan, Indonesia

Average cloud cover in December - Mriyan, Indonesia
  • Average cloud cover in December: 50

The months with the most cloud cover are January and December (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 38).

Average visibility in December
Mriyan, Indonesia

Average visibility in December - Mriyan, Indonesia
  • Average visibility in December: 9km

The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, October, November and December (9km).

Mriyan, Indonesia

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