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December Weather in Deyr, Iran

Last updated: August 23, 2025

In December, the average temperature in Deyr, Iran hovers around 20°C (69°F), making it a pleasant time of year. Expect a minimum temperature of 12°C (55°F) and a maximum reaching up to 27°C (80°F). While you're there, prepare for some light showers with an average precipitation of 41 mm (1.6 in) over about 3 days, all set against a backdrop of 44% average humidity.

December Temperature in Deyr

In December in Deyr, the average temperature is 20°C (69°F). Maximums can reach 27°C (80°F), and minimums can drop as low as 12°C (55°F). This mild climate makes Deyr an ideal destination for outdoor activities and sightseeing during this time.

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

The chart illustrates December temperature patterns in Deyr, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Deyr, December typically has an average temperature of 20°C (69°F), with highs reaching up to 27°C (80°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec656570788591939491867669
Data source: Temperature data for Deyr 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 Deyr

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

December Precipitation Trends in Deyr

The chart displays monthly precipitation patterns in Deyr, 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 Deyr, December typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec29662871001014841
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Deyr

In Deyr in December, humidity is 44%. With an average temperature of 20°C (69°F), this humidity feels like a pleasant balance, creating a refreshing atmosphere that's comfortable for traveling, allowing you to explore the surroundings without feeling overheated or sticky.

December Average Humidity in Deyr

This chart illustrates the average monthly humidity levels in Deyr, 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 Deyr is approximately 44%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec42%35%33%31%29%19%15%19%24%36%49%44%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Deyr

In Deyr 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 Deyr.

Maximum UV Index Levels in Deyr for December

The chart shows the monthly maximum UV Index (UVI) for Deyr 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 Deyr typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec571010111111109865
Data source: Deyr 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 Deyr Compares to Other Months

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

This table compares monthly weather conditions in Deyr, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)29 mm (1.2 inches)42%moderate
February Weather18°C (66°F)66 mm (2.6 inches)35%high
March Weather21°C (70°F)28 mm (1.1 inches)33%very high
April Weather25°C (78°F)7 mm (0.3 inches)31%very high
May Weather29°C (85°F)1 mm (0.0 inches)29%extreme
June Weather33°C (91°F)0 mm (0.0 inches)19%extreme
July Weather34°C (93°F)0 mm (0.0 inches)15%extreme
August Weather34°C (94°F)1 mm (0.0 inches)19%very high
September Weather33°C (91°F)0 mm (0.0 inches)24%very high
October Weather30°C (86°F)1 mm (0.0 inches)36%very high
November Weather25°C (76°F)48 mm (1.9 inches)49%high
December Weather20°C (69°F)41 mm (1.6 inches)44%moderate

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