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December Weather in Fishers, United States

Last updated: June 24, 2025

In December, the average temperature in Fishers, United States hovers around 2°C (36°F), with potential extremes ranging from a chilly -22°C (-7°F) to a warmer 18°C (64°F). Expect about 75 mm (2.9 in) of precipitation spread over 10 days, contributing to the high average humidity of 87%. Stay prepared for a mix of cold and damp conditions!

December Temperature in Fishers

In December in Fishers, the average temperature is 2°C (36°F), with maximums reaching 18°C (64°F) and minimums dropping as low as -22°C (-7°F). This time of year offers a unique experience for travelers, combining chilly weather with occasional milder days perfect for adventure.

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

The chart illustrates December temperature patterns in Fishers, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fishers, December typically has an average temperature of 2°C (36°F), with highs reaching up to 18°C (64°F) and lows dropping to around -22°C (-7°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342526473767469574136
Data source: Temperature data for Fishers 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 Fishers

In Fishers in December, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 days.

December Precipitation Trends in Fishers

The chart displays monthly precipitation patterns in Fishers, 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 Fishers, December typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec81911229213810410892771028775
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Fishers

In Fishers in December, humidity is 87%. With an average temperature of 2°C (36°F), this humidity feels like an unwelcome chill that seeps into your bones, making outdoor exploration feel damp and heavy, and encouraging travelers to seek the warmth of indoor attractions instead.

December Average Humidity in Fishers

This chart illustrates the average monthly humidity levels in Fishers, 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 Fishers is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Fishers

In Fishers 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 Fishers, you can visit Hourly UV Index in Fishers.

Maximum UV Index Levels in Fishers for December

The chart shows the monthly maximum UV Index (UVI) for Fishers 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 Fishers typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098642
Data source: Fishers 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 Fishers Compares to Other Months

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

This table compares monthly weather conditions in Fishers, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)81 mm (3.2 inches)87%moderate
February Weather0°C (33°F)91 mm (3.6 inches)85%moderate
March Weather6°C (43°F)122 mm (4.8 inches)86%high
April Weather11°C (52°F)92 mm (3.6 inches)84%very high
May Weather18°C (64°F)138 mm (5.4 inches)79%very high
June Weather23°C (73°F)104 mm (4.1 inches)82%extreme
July Weather25°C (77°F)108 mm (4.3 inches)79%very high
August Weather23°C (74°F)92 mm (3.6 inches)70%very high
September Weather21°C (70°F)77 mm (3.0 inches)69%very high
October Weather14°C (58°F)101 mm (4.0 inches)76%high
November Weather5°C (42°F)87 mm (3.4 inches)88%moderate
December Weather2°C (36°F)75 mm (2.9 inches)87%low

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