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May Weather in Jefferson City, United States

Last updated: June 24, 2025

In May, the average temperature in Jefferson City, United States is a pleasant 19°C (67°F). Expect temperatures to range from a cool 4°C (40°F) to a warm 35°C (94°F). During this month, anticipate 163 mm (6.4 in) of precipitation spread across 15 days, contributing to an average humidity of 82%. Stay prepared for a mix of weather!

May Temperature in Jefferson City

In May in Jefferson City, the average temperature is 19°C (67°F). Maximum temperatures can reach 35°C (94°F) and minimums can dip as low as 4°C (40°F). This variability suggests that travelers should pack accordingly for both warm days and cooler evenings.

May Weather in Jefferson City: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Jefferson City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jefferson City, May typically has an average temperature of 19°C (67°F), with highs reaching up to 35°C (94°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556676807672584539
Data source: Temperature data for Jefferson City 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.

May Precipitation in Jefferson City

In Jefferson City in May, the total precipitation amount is 163 mm (6.4 in) spread over 15 days.

May Precipitation Trends in Jefferson City

The chart displays monthly precipitation patterns in Jefferson City, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Jefferson City, May typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7065120124163951099456995942
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Jefferson City

In Jefferson City in May humidity is 82%. With an average temperature of 19°C (67°F), this humidity feels like a heavy blanket wrapping around you, making each step feel sluggish and the air thick as you explore the sights.

May Average Humidity in Jefferson City

This chart illustrates the average monthly humidity levels in Jefferson City, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Jefferson City is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Jefferson City

In Jefferson City in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Jefferson City.

Maximum UV Index Levels in Jefferson City for May

The chart shows the monthly maximum UV Index (UVI) for Jefferson City in May, 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 May, the maximum UV index in Jefferson City typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Jefferson City May 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 May Weather in Jefferson City Compares to Other Months

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

This table compares monthly weather conditions in Jefferson City, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)70 mm (2.8 inches)82%moderate
February Weather2°C (36°F)65 mm (2.6 inches)80%moderate
March Weather9°C (48°F)120 mm (4.7 inches)80%high
April Weather13°C (55°F)124 mm (4.9 inches)80%very high
May Weather19°C (67°F)163 mm (6.4 inches)82%very high
June Weather25°C (77°F)95 mm (3.7 inches)83%extreme
July Weather26°C (80°F)108 mm (4.3 inches)81%extreme
August Weather25°C (77°F)94 mm (3.7 inches)80%very high
September Weather22°C (73°F)56 mm (2.2 inches)76%very high
October Weather15°C (59°F)99 mm (3.9 inches)76%high
November Weather7°C (45°F)59 mm (2.3 inches)85%moderate
December Weather4°C (40°F)41 mm (1.6 inches)86%moderate

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