December Weather in Fasa, Iran

Last updated: August 23, 2025

In Fasa, Iran, the average temperature in December hovers around 9°C (48°F). While it can dip to a chilly -3°C (27°F) at its lowest, you might also experience pleasant highs of up to 22°C (72°F). Expect 27 mm (1.1 in) of precipitation spread over 3 days, and enjoy an average humidity of 53% for a well-rounded climate experience.

December Temperature in Fasa

In December in Fasa, the average temperature is 9°C (48°F). Maximum temperatures can reach 22°C (72°F), while minimums can drop as low as -3°C (27°F). This unpredictable range makes it essential for travelers to pack layers for their visit.

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

The chart illustrates December temperature patterns in Fasa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fasa, December typically has an average temperature of 9°C (48°F), with highs reaching up to 22°C (72°F) and lows dropping to around -3°C (27°F).

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

December Precipitation in Fasa

In Fasa in December, the total precipitation amount is 27 mm (1.1 in) over the course of 3 days.

December Precipitation Trends in Fasa

The chart displays monthly precipitation patterns in Fasa, 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 Fasa, December typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 3 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

December Humidity in Fasa

In Fasa in December, humidity is 53%. With an average temperature of 9°C (48°F), this humidity feels like a crisp and invigorating breeze for traveling, making it refreshing yet potentially chilly, so dress in layers to fully enjoy your adventures.

December Average Humidity in Fasa

This chart illustrates the average monthly humidity levels in Fasa, 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 Fasa is approximately 53%, 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 Fasa

In Fasa 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 Fasa.

Maximum UV Index Levels in Fasa for December

The chart shows the monthly maximum UV Index (UVI) for Fasa 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 Fasa typically reaches 5, which falls under the moderate exposure category.

Data source: Fasa 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 Fasa Compares to Other Months

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

This table compares monthly weather conditions in Fasa, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (46°F)	24 mm (0.9 inches)	50%	high
February Weather	9°C (49°F)	71 mm (2.8 inches)	41%	very high
March Weather	14°C (57°F)	70 mm (2.7 inches)	40%	extreme
April Weather	18°C (65°F)	23 mm (0.9 inches)	38%	extreme
May Weather	24°C (75°F)	7 mm (0.3 inches)	38%	extreme
June Weather	30°C (86°F)	0 mm (0.0 inches)	21%	extreme
July Weather	31°C (87°F)	4 mm (0.2 inches)	12%	extreme
August Weather	30°C (85°F)	1 mm (0.0 inches)	14%	extreme
September Weather	26°C (80°F)	0 mm (0.0 inches)	19%	extreme
October Weather	20°C (69°F)	2 mm (0.1 inches)	35%	very high
November Weather	13°C (56°F)	19 mm (0.7 inches)	57%	high
December Weather	9°C (48°F)	27 mm (1.1 inches)	53%	moderate