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December Weather in Arak, Iran

Last updated: August 23, 2025

In December, the average temperature in Arak, Iran hovers around 3°C (38°F). Expect a chilly minimum of -8°C (17°F), potentially rising to a comfortable 18°C (64°F). With 33 mm (1.3 in) of precipitation spread across 5 days, you might want to keep an umbrella handy. Additionally, the average humidity sits at a moderate 61%, creating a crisp yet refreshing atmosphere.

December Temperature in Arak

In December, in Arak, the average temperature is 3°C (38°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -8°C (17°F). It's advisable to pack layers and warm clothing for your trip, as temperatures can vary significantly throughout the day.

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

The chart illustrates December temperature patterns in Arak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Arak, December typically has an average temperature of 3°C (38°F), with highs reaching up to 18°C (64°F) and lows dropping to around -8°C (17°F).
JanFebMarAprMayJunJulAugSepOctNovDec333645546375817872584438
Data source: Temperature data for Arak generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Arak

In Arak in December, the precipitation amount is 33 mm (1.3 in) over the course of 5 days.

December Precipitation Trends in Arak

The chart displays monthly precipitation patterns in Arak, 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 Arak, December typically receives around 33 mm (1.3 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec33465571415211164633
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Arak

In Arak in December humidity is 61%. With an average temperature of 3°C (38°F), this humidity feels like a chilly, damp embrace, making traveling somewhat uncomfortable as the cold air mixes with the moisture, penetrating through your clothing and chilling you to the bone.

December Average Humidity in Arak

This chart illustrates the average monthly humidity levels in Arak, 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 Arak is approximately 61%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec57%53%55%47%39%26%16%16%20%38%55%61%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Arak

In Arak in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Arak for better planning.

Maximum UV Index Levels in Arak for December

The chart shows the monthly maximum UV Index (UVI) for Arak 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 Arak typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710101413121110854
Data source: Arak 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 Arak Compares to Other Months

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

This table compares monthly weather conditions in Arak, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)33 mm (1.3 inches)57%moderate
February Weather2°C (37°F)46 mm (1.8 inches)53%high
March Weather7°C (45°F)55 mm (2.2 inches)54%very high
April Weather12°C (54°F)71 mm (2.8 inches)47%very high
May Weather17°C (63°F)41 mm (1.6 inches)39%extreme
June Weather24°C (76°F)5 mm (0.2 inches)26%extreme
July Weather27°C (81°F)2 mm (0.1 inches)16%extreme
August Weather26°C (79°F)1 mm (0.0 inches)16%extreme
September Weather22°C (72°F)1 mm (0.0 inches)20%very high
October Weather14°C (58°F)16 mm (0.6 inches)38%very high
November Weather7°C (45°F)46 mm (1.8 inches)55%moderate
December Weather3°C (38°F)33 mm (1.3 inches)61%moderate

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