December Weather in Jam, Iran

Last updated: August 23, 2025

In December, the average temperature in Jam, Iran is a pleasant 20°C (68°F). Expect a minimum temperature of 11°C (53°F) and a maximum of 26°C (79°F). With an average humidity of 44%, it's a comfortable time to be outdoors. However, be prepared for 41 mm (1.6 in) of precipitation over about 3 days, so don’t forget your umbrella!

December Temperature in Jam

In December in Jam, the average temperature is 20°C (68°F). The maximum can reach 26°C (79°F), while the minimum can dip as low as 11°C (53°F). This mild climate makes it an ideal time for traveling and exploring the area comfortably.

December Weather in Jam: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Jam, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jam, December typically has an average temperature of 20°C (68°F), with highs reaching up to 26°C (79°F) and lows dropping to around 11°C (53°F).

Data source: Temperature data for Jam generated using information from the Copernicus Climate Change Service.

December Precipitation in Jam

In Jam in December, the precipitation amount is 41 mm (1.6 in) over the course of 3 days.

December Precipitation Trends in Jam

The chart displays monthly precipitation patterns in Jam, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Jam, December typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Jam

In Jam in December, humidity is 44%. With an average temperature of 20°C (68°F), this humidity feels like a comfortable embrace, making it ideal for exploring the sights without feeling overly sticky or drained.

December Average Humidity in Jam

This chart illustrates the average monthly humidity levels in Jam, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Jam is approximately 44%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jam

In Jam in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Jam.

Maximum UV Index Levels in Jam for December

The chart shows the monthly maximum UV Index (UVI) for Jam in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Jam typically reaches 5, which falls under the moderate exposure category.

Data source: Jam December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Jam Compares to Other Months

Weather in Jam varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Jam, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Jam, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	33 mm (1.3 inches)	42%	high
February Weather	18°C (64°F)	75 mm (2.9 inches)	35%	high
March Weather	21°C (70°F)	34 mm (1.3 inches)	33%	very high
April Weather	25°C (77°F)	8 mm (0.3 inches)	31%	very high
May Weather	29°C (84°F)	1 mm (0.0 inches)	29%	extreme
June Weather	33°C (91°F)	0 mm (0.0 inches)	19%	extreme
July Weather	33°C (92°F)	0 mm (0.0 inches)	15%	extreme
August Weather	34°C (93°F)	1 mm (0.0 inches)	19%	very high
September Weather	32°C (90°F)	1 mm (0.0 inches)	24%	very high
October Weather	29°C (85°F)	2 mm (0.1 inches)	36%	very high
November Weather	24°C (75°F)	38 mm (1.5 inches)	49%	high
December Weather	20°C (68°F)	41 mm (1.6 inches)	44%	moderate