nomadseason

December Weather in Iraan, United States

Last updated: June 24, 2025

In December, the average temperature in Iraan, United States hovers around 10°C (51°F), with a range that can dip as low as -6°C (21°F) and peak at 31°C (88°F). Expect 18 mm (0.7 in) of precipitation over 2 days, contributing to a noticeably 85% humidity level. Prepare accordingly for a mix of weather!

December Temperature in Iraan

In December in Iraan, the average temperature is 10°C (51°F). Maximum temperatures can reach up to 31°C (88°F), while minimums can drop to as low as -6°C (21°F). Overall, it's advisable to pack for a range of weather conditions when traveling during this month.

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

The chart illustrates December temperature patterns in Iraan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iraan, December typically has an average temperature of 10°C (51°F), with highs reaching up to 31°C (88°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec475161687783848478685751
Data source: Temperature data for Iraan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Iraan

In Iraan in December, the precipitation amount is 18 mm (0.7 in) over the course of 2 days.

December Precipitation Trends in Iraan

The chart displays monthly precipitation patterns in Iraan, 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 Iraan, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec181834375940172639311218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Iraan

In Iraan in December, humidity is 85%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel quite uncomfortable as your clothes cling to your skin and the air feels heavy, often leaving you longing for a dry, warmer environment.

December Average Humidity in Iraan

This chart illustrates the average monthly humidity levels in Iraan, 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 Iraan is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%74%69%70%77%76%66%60%67%72%84%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Iraan

In Iraan 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 Iraan.

Maximum UV Index Levels in Iraan for December

The chart shows the monthly maximum UV Index (UVI) for Iraan 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 Iraan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111212121211965
Data source: Iraan 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 Iraan Compares to Other Months

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

This table compares monthly weather conditions in Iraan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)18 mm (0.7 inches)74%moderate
February Weather11°C (51°F)17 mm (0.7 inches)74%very high
March Weather16°C (62°F)34 mm (1.3 inches)68%very high
April Weather20°C (68°F)37 mm (1.5 inches)70%extreme
May Weather25°C (77°F)59 mm (2.3 inches)77%extreme
June Weather28°C (83°F)40 mm (1.6 inches)76%extreme
July Weather29°C (85°F)17 mm (0.7 inches)66%extreme
August Weather29°C (84°F)26 mm (1.0 inches)60%extreme
September Weather25°C (78°F)39 mm (1.5 inches)67%extreme
October Weather20°C (68°F)31 mm (1.2 inches)72%very high
November Weather14°C (58°F)12 mm (0.5 inches)83%high
December Weather10°C (51°F)18 mm (0.7 inches)85%moderate

Compare Iraan's Climate with Cities Worldwide