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December Weather in Omas, Peru

Last updated: August 27, 2025

In December, the average temperature in Omas, Peru hovers around 14°C (58°F), with minimums dipping to 7°C (45°F) and maximums reaching up to 21°C (69°F). Expect some drizzles, as precipitation totals around 50 mm (2.0 in) spread over 12 days. Coupled with an average humidity level of 87%, the weather contributes to a refreshingly cool atmosphere.

December Temperature in Omas

In December in Omas, the average temperature is 14°C (58°F). The maximum can reach 21°C (69°F), and the minimum can be as low as 7°C (45°F). It's a pleasant time for travelers to enjoy mild weather and explore the local attractions.

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

The chart illustrates December temperature patterns in Omas, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Omas, December typically has an average temperature of 14°C (58°F), with highs reaching up to 21°C (69°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec565555565859595959585857
Data source: Temperature data for Omas 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 Omas

In Omas in December, the precipitation amount is 50 mm (2.0 in), occurring over the course of 12 days.

December Precipitation Trends in Omas

The chart displays monthly precipitation patterns in Omas, 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 Omas, December typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec164204228842844616301950
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Omas

In Omas in December humidity is 87%. With an average temperature of 14°C (58°F), this humidity feels like walking through a thick, warm blanket, making travel feel more exhausting and sticky, as sweat clings to the skin and the air feels heavy.

December Average Humidity in Omas

This chart illustrates the average monthly humidity levels in Omas, 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 Omas is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%89%90%89%83%69%56%51%53%68%82%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Omas

In Omas in December, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Omas.

Maximum UV Index Levels in Omas for December

The chart shows the monthly maximum UV Index (UVI) for Omas 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 Omas typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171716151311121315161716
Data source: Omas 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 Omas Compares to Other Months

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

This table compares monthly weather conditions in Omas, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)164 mm (6.4 inches)89%extreme
February Weather13°C (56°F)204 mm (8.0 inches)89%extreme
March Weather13°C (56°F)228 mm (9.0 inches)90%extreme
April Weather13°C (56°F)84 mm (3.3 inches)89%extreme
May Weather14°C (58°F)27 mm (1.1 inches)83%extreme
June Weather15°C (59°F)4 mm (0.2 inches)69%extreme
July Weather15°C (59°F)4 mm (0.2 inches)56%extreme
August Weather15°C (60°F)6 mm (0.2 inches)50%extreme
September Weather15°C (59°F)16 mm (0.6 inches)53%extreme
October Weather15°C (59°F)30 mm (1.2 inches)68%extreme
November Weather15°C (59°F)19 mm (0.8 inches)81%extreme
December Weather14°C (58°F)50 mm (2.0 inches)87%extreme

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