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December Weather in Olcott, United States

Last updated: June 24, 2025

In December, the average temperature in Olcott, United States hovers around 1°C (34°F). Expect chilly conditions with minimums dipping to -15°C (5°F) and occasional highs reaching 17°C (62°F). Prepare for 92 mm (3.6 in) of precipitation spread over about 15 days, and be ready for a high average humidity of 87%.

December Temperature in Olcott

In December in Olcott, the average temperature hovers around 1°C (34°F). Maximums can reach up to 17°C (62°F), while minimums can drop as low as -15°C (5°F). Be sure to pack warm clothes for your trip, as temperatures can vary significantly!

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

The chart illustrates December temperature patterns in Olcott, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olcott, December typically has an average temperature of 1°C (34°F), with highs reaching up to 17°C (62°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec283035445465737266554134
Data source: Temperature data for Olcott 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 Olcott

In Olcott in December, the precipitation amount is 92 mm (3.6 in) distributed over 15 days.

December Precipitation Trends in Olcott

The chart displays monthly precipitation patterns in Olcott, 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 Olcott, December typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec808769118977912481721268992
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Olcott

In Olcott in December humidity is 87%. With an average temperature of 1°C (34°F), this humidity feels like a chilling blanket enveloping you, making every step outside feel heavy and damp, and leaving you longing for warmth and comfort while traveling.

December Average Humidity in Olcott

This chart illustrates the average monthly humidity levels in Olcott, 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 Olcott is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Olcott

In Olcott in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Olcott, you can visit Hourly UV Index in Olcott.

Maximum UV Index Levels in Olcott for December

The chart shows the monthly maximum UV Index (UVI) for Olcott 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 Olcott typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2458910997532
Data source: Olcott 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 Olcott Compares to Other Months

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

This table compares monthly weather conditions in Olcott, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)80 mm (3.1 inches)91%low
February Weather-1°C (30°F)87 mm (3.4 inches)91%moderate
March Weather2°C (35°F)69 mm (2.7 inches)88%moderate
April Weather6°C (44°F)118 mm (4.6 inches)88%very high
May Weather12°C (54°F)97 mm (3.8 inches)82%very high
June Weather18°C (65°F)79 mm (3.1 inches)79%very high
July Weather23°C (73°F)124 mm (4.9 inches)77%very high
August Weather22°C (72°F)81 mm (3.2 inches)72%very high
September Weather19°C (66°F)72 mm (2.8 inches)76%high
October Weather13°C (56°F)126 mm (5.0 inches)83%moderate
November Weather5°C (42°F)89 mm (3.5 inches)88%moderate
December Weather1°C (34°F)92 mm (3.6 inches)87%low

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