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December Weather in Olathe, United States

Last updated: June 24, 2025

In December, the average temperature in Olathe, United States hovers around -3°C (26°F). However, be prepared for a temperature range spanning from a chilling -23°C (-9°F) to a mild 15°C (60°F). With 32 mm (1.3 in) of precipitation expected over 8 days, and an average humidity of 90%, it's advisable to bundle up and stay cozy during your visit!

December Temperature in Olathe

In December in Olathe, the average temperature is -3°C (26°F). Maximum temperatures can reach 15°C (60°F), while the minimum can drop to as low as -23°C (-9°F). Be prepared for a wide range of temperatures, so pack accordingly to enjoy your travels!

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

The chart illustrates December temperature patterns in Olathe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olathe, December typically has an average temperature of -3°C (26°F), with highs reaching up to 15°C (60°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec252938485769747264483826
Data source: Temperature data for Olathe 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 Olathe

In Olathe in December, the precipitation amount is 32 mm (1.3 in) over the course of 8 days.

December Precipitation Trends in Olathe

The chart displays monthly precipitation patterns in Olathe, 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 Olathe, December typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec304648312813201219392232
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Olathe

In Olathe in December, humidity is 90%. With an average temperature of -3°C (26°F), this humidity feels like a biting chill that seeps through layers of clothing, making outdoor exploration feel arduous and uncomfortable as the cold, damp air grips your skin.

December Average Humidity in Olathe

This chart illustrates the average monthly humidity levels in Olathe, 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 Olathe is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%89%81%74%58%47%39%39%53%72%84%90%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Olathe

In Olathe 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 Olathe for better planning.

Maximum UV Index Levels in Olathe for December

The chart shows the monthly maximum UV Index (UVI) for Olathe 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 Olathe typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112121110754
Data source: Olathe 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 Olathe Compares to Other Months

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

This table compares monthly weather conditions in Olathe, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)30 mm (1.2 inches)90%moderate
February Weather-2°C (29°F)46 mm (1.8 inches)89%high
March Weather3°C (38°F)48 mm (1.9 inches)81%very high
April Weather9°C (48°F)31 mm (1.2 inches)74%very high
May Weather14°C (58°F)28 mm (1.1 inches)58%extreme
June Weather21°C (70°F)13 mm (0.5 inches)47%extreme
July Weather23°C (74°F)20 mm (0.8 inches)39%extreme
August Weather22°C (72°F)12 mm (0.5 inches)39%extreme
September Weather18°C (64°F)19 mm (0.7 inches)53%very high
October Weather9°C (48°F)39 mm (1.5 inches)72%high
November Weather3°C (38°F)22 mm (0.9 inches)84%moderate
December Weather-3°C (26°F)32 mm (1.3 inches)90%moderate

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