December weather forecast
Tis, Iran

December

Weather in December

The first month of the winter, December, is also a moderately hot month in Tis, Iran, with an average temperature fluctuating between 20°C (68°F) and 25.1°C (77.2°F).

Temperature

A subtle shift in Tis's weather is observed as November turns into December, with the average high temperature reducing from 28.5°C (83.3°F) to a still moderately hot 25.1°C (77.2°F). An average low-temperature of 20°C (68°F) is noted during the month of December.

Humidity

December is the least humid month, with an average relative humidity of 46%.

Rainfall

In December, the rain falls for 1.8 days. Throughout December, 4mm (0.16") of precipitation is accumulated. In Tis, during the entire year, the rain falls for 22.6 days and collects up to 58mm (2.28") of precipitation.

Daylight

With an average of 10h and 36min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 05:56 and sunset at 16:36. On the last day of the month, sunrise is at 06:12 and sunset at 16:48 +0330.

Sunshine

In December, the average sunshine is 8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: A typical high UV index of 6 in December suggests the following recommendations:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What are December temperatures?
The high-temperature, in December, in Tis, is 25.1°C (77.2°F), while the low-temperature averages to 20°C (68°F). In November, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 29°C (84.2°F).
What is the least humid month?
The least humid month is December, with an average relative humidity of 46%.
What is the average humidity in December?
In Tis, the average relative humidity in December is 46%.
How many days does it rain in December?
In Tis, in December, it is raining for 1.8 days, with typically 4mm (0.16") of accumulated precipitation.
What is the month with the shortest days?
The month with the shortest days is December, with an average of 10h and 36min of daylight.
How many hours of daylight does Tis have in December?
In Tis, the average day length in December is 10h and 35min.
When are sunrise and sunset in December?
In December, on the first day of the month, sunrise is at 05:56 and sunset at 16:36. On the last day of the month, sunrise is at 06:12 and sunset at 16:48 +0330.
How long on average sun shines in December?
The average sunshine duration in December is 8h.
When is the lowest UV index in Tis?
January, February, November and December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the UV index intensity in December?
In Tis, the average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high hazard to health 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
Tis, Iran
  • Average high temperature in December: 25.1°C

The warmest month (with the highest average high temperature) is May (35.6°C).
The month with the lowest average high temperature is January (23.2°C).

  • Average low temperature in December: 20°C

The month with the highest average low temperature is June (30.3°C).
The coldest month (with the lowest average low temperature) is January (18.5°C).

Average pressure in December
Tis, Iran
  • Average pressure in December: 1016.7mbar

The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is July (998.1mbar).

Average wind speed in December
Tis, Iran
  • Average wind speed in December: 10.3km/h

The windiest month (with the highest average wind speed) is May (15.9km/h).
The calmest month (with the lowest average wind speed) is December (10.3km/h).

Average humidity in December
Tis, Iran
  • Average humidity in December: 46%

The month with the highest relative humidity is August (71%).
The month with the lowest relative humidity is December (46%).

Average rainfall in December
Tis, Iran
  • Average rainfall in December: 4mm

The wettest month (with the highest rainfall) is January (14mm).
The driest months (with the least rainfall) are May and September (0mm).

Average rainfall days in December
Tis, Iran
  • Average rainfall days in December: 1.8 days

The month with the highest number of rainy days is January (3.6 days).
The month with the least rainy days is May (0.2 days).

Average daylight in December /
Average sunshine in December
Tis, Iran
  • Average daylight in December: 10h and 4min

The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).

  • Average sunshine in December: 8h and 0min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).

Average sunshine days in December
Tis, Iran
  • Average sunshine days in December: 28.2 days

The month with the most sunshine days is May (30.8 days).
The month with the least sunshine days is February (24.3 days).

Average UV index in December
Tis, Iran
  • Average UV index in December: 6

The months with the highest UV index are April, May, June, July, August and September (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 6).

Average cloud cover in December
Tis, Iran
  • Average cloud cover in December: 5

The months with the most cloud cover are July and August (Cloud cover 16).
The month with the least cloud cover is October (Cloud cover 3).

Average visibility in December
Tis, 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).

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