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December Weather in Geraldine, United States

Last updated: June 24, 2025

In December, the average temperature in Geraldine, United States hovers around 9°C (48°F). Expect temperature swings, with a minimum of -7°C (19°F) and a maximum reaching 23°C (73°F). Prepare for some rain as well, with approximately 155 mm (6.1 in) of precipitation over 12 days. Humidity levels are high, averaging around 88%, making for a particularly moist month.

December Temperature in Geraldine

In December in Geraldine, the average temperature is 9°C (48°F). The maximum can reach 23°C (73°F), while the minimum can drop as low as -7°C (19°F). This variation in temperatures means travelers should pack layers to be prepared for both mild and chilly conditions.

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

The chart illustrates December temperature patterns in Geraldine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geraldine, December typically has an average temperature of 9°C (48°F), with highs reaching up to 23°C (73°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec445056617176807975655147
Data source: Temperature data for Geraldine 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 Geraldine

In Geraldine in December, the total precipitation amount reaches 155 mm (6.1 in) over the course of 12 days.

December Precipitation Trends in Geraldine

The chart displays monthly precipitation patterns in Geraldine, 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 Geraldine, December typically receives around 155 mm (6.1 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec12019418615310714710011710313181155
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Geraldine

In Geraldine in December, humidity is 88%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill settling into your bones, making outdoor exploration feel heavy and oppressive.

December Average Humidity in Geraldine

This chart illustrates the average monthly humidity levels in Geraldine, 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 Geraldine is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Geraldine

In Geraldine in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Geraldine for better planning.

Maximum UV Index Levels in Geraldine for December

The chart shows the monthly maximum UV Index (UVI) for Geraldine 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 Geraldine typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119764
Data source: Geraldine 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 Geraldine Compares to Other Months

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

This table compares monthly weather conditions in Geraldine, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)120 mm (4.7 inches)87%moderate
February Weather10°C (50°F)194 mm (7.6 inches)87%high
March Weather13°C (56°F)185 mm (7.3 inches)85%very high
April Weather16°C (62°F)153 mm (6.0 inches)82%very high
May Weather22°C (71°F)106 mm (4.2 inches)83%extreme
June Weather24°C (76°F)147 mm (5.8 inches)82%extreme
July Weather26°C (80°F)100 mm (4.0 inches)78%extreme
August Weather26°C (79°F)117 mm (4.6 inches)67%extreme
September Weather24°C (75°F)103 mm (4.0 inches)64%very high
October Weather19°C (66°F)131 mm (5.1 inches)74%high
November Weather11°C (51°F)81 mm (3.2 inches)87%high
December Weather9°C (48°F)155 mm (6.1 inches)88%moderate

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