December weather forecastChangi, Iran

December

Weather in December

December, the first month of the winter in Changi, is also a fresh month, with an average temperature ranging between min 3.9°C (39°F) and max 11°C (51.8°F).

Temperature

The onset of December is marked by a minor decrease in temperature, transitioning from a mild 15.3°C (59.5°F) in November to a cool 11°C (51.8°F). The mean low-temperature during December nights is an icy 3.9°C (39°F).

Humidity

With an average relative humidity of 44%, December is the most humid month in Changi.

Rainfall

In Changi, in December, during 4.3 rainfall days, 7mm (0.28") of precipitation is typically accumulated. In Changi, during the entire year, the rain falls for 59.6 days and collects up to 136mm (5.35") of precipitation.

Snowfall

January, February, November and December are months with snowfall. In December, in Changi, it is snowing for 0.2 days. Throughout December, 3mm (0.12") of snow is accumulated. In Changi, during the entire year, snow falls for 1.8 days and aggregates up to 32mm (1.26") of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 06:54 and sunset at 16:50. On the last day of December, sunrise is at 07:12 and sunset at 17:00 +0330.

Sunshine

In Changi, Iran, the average sunshine in December is 7.3h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: In December, a regular UV index of 3 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

Frequently asked questions

The high-temperature, in December, in Changi, is 11°C (51.8°F), while the low-temperature averages to 3.9°C (39°F).

With an average relative humidity of 44%, December is the most humid month in Changi, Iran.

In Changi, Iran, the average relative humidity in December is 44%.

In Changi, Iran, in December, it is raining for 4.3 days, with typically 7mm (0.28") of accumulated precipitation.

In Changi, Iran, in December, during 0.2 snowfall days, 3mm (0.12") of snow is typically accumulated.

With an average of 9h and 48min of daylight, December has the shortest days of the year in Changi, Iran.

In Changi, Iran, the average day length in December is 9h and 49min.

In December, on the first day of the month, sunrise is at 06:54 and sunset at 16:50. On the last day of the month, in Changi, sunrise is at 07:12 and sunset at 17:00 +0330.

In Changi, Iran, the average sunshine duration in December is 7.3h.

The months with the lowest UV index in Changi, Iran, are January, November and December, with an average maximum UV index of 3.

In Changi, Iran, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from 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 snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Changi, Iran

  • Average high temperature in December: 11°C

The warmest month (with the highest average high temperature) is July (38.3°C).
The month with the lowest average high temperature is January (9.7°C).

  • Average low temperature in December: 3.9°C

The month with the highest average low temperature is July (28°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).

Average pressure in December
Changi, Iran

  • Average pressure in December: 1021.5mbar

The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is July (1006.3mbar).

Average wind speed in December
Changi, Iran

  • Average wind speed in December: 5.9km/h

The windiest month (with the highest average wind speed) is July (11.7km/h).
The calmest month (with the lowest average wind speed) is December (5.9km/h).

Average humidity in December
Changi, Iran

  • Average humidity in December: 44%

The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is July (15%).

Average rainfall in December
Changi, Iran

  • Average rainfall in December: 7mm

The wettest month (with the highest rainfall) is April (23mm).
The driest months (with the least rainfall) are August and September (1mm).

Average rainfall days in December
Changi, Iran

  • Average rainfall days in December: 4.3 days

The month with the highest number of rainy days is April (10.9 days).
The month with the least rainy days is August (0.5 days).

Average snowfall in December
Changi, Iran

  • Average snowfall in December: 3mm

The month with the highest snowfall is February (11mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).

Average snowfall days in December
Changi, Iran

  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Changi, Iran

  • Average daylight in December: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in December: 7h and 18min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and February (Average sunshine: 7h and 12min).

Average sunshine days in December
Changi, Iran

  • Average sunshine days in December: 25.5 days

The month with the most sunshine days is August (29 days).
The month with the least sunshine days is April (14.2 days).

Average UV index in December
Changi, Iran

  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).

Average cloud cover in December
Changi, Iran

  • Average cloud cover in December: 16

The month with the most cloud cover is March (Cloud cover 20).
The month with the least cloud cover is September (Cloud cover 3).

Average visibility in December
Changi, Iran

  • 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).