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December Weather in Mayo, United States

Last updated: June 24, 2025

In December, the average temperature in Mayo, United States hovers around 14°C (58°F), with a minimum dipping to -4°C (25°F) and a maximum rising to 28°C (82°F). Expect about 119 mm (4.7 in) of precipitation spread over 7 days and enjoy a fairly high average humidity of 86%.

December Temperature in Mayo

In December in Mayo, the average temperature is 14°C (58°F). Maximums can reach 28°C (82°F) and minimums can be as low as -4°C (25°F). Be prepared for a wide range of temperatures during your visit, so pack accordingly!

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

The chart illustrates December temperature patterns in Mayo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mayo, December typically has an average temperature of 14°C (58°F), with highs reaching up to 28°C (82°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec556164697680818180756358
Data source: Temperature data for Mayo 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 Mayo

In Mayo in December, the total precipitation amount is 119 mm (4.7 in) over a span of 7 days.

December Precipitation Trends in Mayo

The chart displays monthly precipitation patterns in Mayo, 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 Mayo, December typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec66734380901681891851286565119
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Mayo

In Mayo in December, humidity is 86%. With an average temperature of 14°C (58°F), this humidity feels like traveling in a warm, sticky embrace that can make outdoor adventures a bit heavy and sweat-inducing, so it's wise to stay hydrated and take frequent breaks in the shade.

December Average Humidity in Mayo

This chart illustrates the average monthly humidity levels in Mayo, 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 Mayo is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%82%78%77%75%76%79%78%83%81%83%86%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Mayo

In Mayo 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 Mayo.

Maximum UV Index Levels in Mayo for December

The chart shows the monthly maximum UV Index (UVI) for Mayo 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 Mayo typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589101111121110965
Data source: Mayo 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 Mayo Compares to Other Months

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

This table compares monthly weather conditions in Mayo, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)65 mm (2.6 inches)83%moderate
February Weather16°C (62°F)73 mm (2.9 inches)82%very high
March Weather18°C (64°F)43 mm (1.7 inches)78%very high
April Weather21°C (70°F)80 mm (3.2 inches)77%very high
May Weather25°C (76°F)90 mm (3.6 inches)75%extreme
June Weather27°C (80°F)168 mm (6.6 inches)76%extreme
July Weather27°C (81°F)189 mm (7.4 inches)79%extreme
August Weather27°C (82°F)185 mm (7.3 inches)78%extreme
September Weather27°C (80°F)128 mm (5.0 inches)83%very high
October Weather24°C (75°F)65 mm (2.6 inches)81%very high
November Weather17°C (63°F)65 mm (2.6 inches)83%high
December Weather14°C (58°F)119 mm (4.7 inches)86%moderate

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