December Weather in South Webster, United States

Last updated: June 24, 2025

In December, the average temperature in South Webster, United States is a cool 4°C (40°F), with temperatures dipping as low as -13°C (9°F) and peaking at 20°C (68°F). Expect 114 mm (4.5 in) of precipitation spread over 11 days, contributing to a high average humidity of 87%. Prepare accordingly for these varying conditions!

December Temperature in South Webster

In December in South Webster, the average temperature is 4°C (40°F). Maximums can reach 20°C (68°F) and minimums can be as low as -13°C (9°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

December Weather in South Webster: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in South Webster, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Webster, December typically has an average temperature of 4°C (40°F), with highs reaching up to 20°C (68°F) and lows dropping to around -13°C (9°F).
JanFebMarAprMayJunJulAugSepOctNovDec353946556673787570604540
Data source: Temperature data for South Webster 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 South Webster

In South Webster in December, the total precipitation amount is 114 mm (4.5 in) spread over 11 days.

December Precipitation Trends in South Webster

The chart displays monthly precipitation patterns in South Webster, 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 South Webster, December typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec8812810612612715210312110711478114
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in South Webster

In South Webster in December humidity is 87%. With an average temperature of 4°C (40°F), this humidity feels like an uncomfortable chill that seeps into your bones, making it essential to dress warmly and prepare for damp conditions, which can dampen your spirits while traveling.

December Average Humidity in South Webster

This chart illustrates the average monthly humidity levels in South Webster, 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 South Webster is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in South Webster

In South Webster in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in South Webster, you can check the information here.

Maximum UV Index Levels in South Webster for December

The chart shows the monthly maximum UV Index (UVI) for South Webster 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 South Webster typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010108653
Data source: South Webster 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 South Webster Compares to Other Months

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

This table compares monthly weather conditions in South Webster, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)87 mm (3.4 inches)88%moderate
February Weather4°C (40°F)128 mm (5.0 inches)88%moderate
March Weather8°C (47°F)105 mm (4.2 inches)87%high
April Weather13°C (55°F)126 mm (5.0 inches)85%very high
May Weather19°C (66°F)127 mm (5.0 inches)81%very high
June Weather23°C (73°F)152 mm (6.0 inches)82%very high
July Weather25°C (78°F)103 mm (4.1 inches)81%very high
August Weather24°C (75°F)121 mm (4.7 inches)73%very high
September Weather21°C (71°F)107 mm (4.2 inches)73%very high
October Weather15°C (60°F)114 mm (4.5 inches)78%high
November Weather7°C (45°F)78 mm (3.1 inches)89%moderate
December Weather4°C (40°F)114 mm (4.5 inches)87%moderate

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