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December Weather in Ider, Mongolia

Last updated: August 28, 2025

In December, the average temperature in Ider, Mongolia hovers around -18°C (0°F). Expect to face extremes, with minimum temperatures plunging to -40°C (-39°F) and a maximum of -1°C (31°F). Despite the chill, precipitation is minimal, averaging just 3 mm (0.1 in) over 0 days. Coupled with an average humidity of 96%, the atmosphere is notably crisp and dry, making it a unique winter experience.

December Temperature in Ider

In December in Ider, the average temperature is -18°C (0°F), with maximums reaching up to -1°C (31°F) and minimums dropping as low as -40°C (-39°F). Travelers should prepare for extremely cold conditions and dress accordingly to ensure a safe and enjoyable visit.

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

The chart illustrates December temperature patterns in Ider, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ider, December typically has an average temperature of -18°C (0°F), with highs reaching up to -1°C (31°F) and lows dropping to around -40°C (-39°F).
JanFebMarAprMayJunJulAugSepOctNovDec-71193749596258473013-1
Data source: Temperature data for Ider 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 Ider

In Ider in December, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

December Precipitation Trends in Ider

The chart displays monthly precipitation patterns in Ider, 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 Ider, December typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec38102831498795342173
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ider

In Ider in December humidity is 96%. With an average temperature of -18°C (0°F), this humidity feels like an unrelenting chill that seeps through layers of clothing, making any outdoor activity brisk and challenging, while the icy air can feel heavy and stifling despite the cold.

December Average Humidity in Ider

This chart illustrates the average monthly humidity levels in Ider, 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 Ider is approximately 96%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec94%89%84%80%71%71%75%74%78%86%94%96%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ider

In Ider in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Ider.

Maximum UV Index Levels in Ider for December

The chart shows the monthly maximum UV Index (UVI) for Ider 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 Ider typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235899996521
Data source: Ider 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 Ider Compares to Other Months

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

This table compares monthly weather conditions in Ider, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-22°C (-7°F)3 mm (0.1 inches)94%low
February Weather-17°C (1°F)8 mm (0.3 inches)89%moderate
March Weather-7°C (19°F)10 mm (0.4 inches)84%moderate
April Weather3°C (37°F)28 mm (1.1 inches)80%very high
May Weather9°C (49°F)31 mm (1.2 inches)71%very high
June Weather15°C (60°F)49 mm (1.9 inches)71%very high
July Weather17°C (63°F)87 mm (3.4 inches)75%very high
August Weather14°C (58°F)95 mm (3.7 inches)74%very high
September Weather9°C (48°F)34 mm (1.3 inches)78%high
October Weather-1°C (30°F)21 mm (0.8 inches)86%moderate
November Weather-10°C (14°F)7 mm (0.3 inches)94%low
December Weather-18°C (0°F)3 mm (0.1 inches)96%low

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