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May Weather in Rolla, United States

Last updated: June 24, 2025

In May, the average temperature in Rolla, United States hovers around 19°C (66°F). Expect a range from a brisk 3°C (37°F) to a warm 34°C (93°F). Be prepared for some showers, as 179 mm (7.0 in) of precipitation may occur over 15 days. With an average humidity of 83%, the atmosphere can feel quite humid, making this a unique weather experience!

May Temperature in Rolla

In May in Rolla, the average temperature is 19°C (66°F). Maximums can reach 34°C (93°F), while minimums can drop to as low as 3°C (37°F). Be prepared for a mix of warm days and cooler nights when traveling to Rolla during this month.

May Weather in Rolla: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Rolla, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rolla, May typically has an average temperature of 19°C (66°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343648556675797672584540
Data source: Temperature data for Rolla 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 Rolla

In Rolla in May, the total precipitation amount is 179 mm (7.0 in), occurring over the course of 15 days.

May Precipitation Trends in Rolla

The chart displays monthly precipitation patterns in Rolla, 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 Rolla, May typically receives around 179 mm (7.0 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec80901301401798590102521126757
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rolla

In Rolla in May, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

May Average Humidity in Rolla

This chart illustrates the average monthly humidity levels in Rolla, 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 Rolla is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rolla

In Rolla 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 Rolla.

Maximum UV Index Levels in Rolla for May

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

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

This table compares monthly weather conditions in Rolla, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)80 mm (3.1 inches)83%moderate
February Weather2°C (37°F)90 mm (3.6 inches)81%moderate
March Weather9°C (48°F)130 mm (5.1 inches)80%high
April Weather13°C (55°F)140 mm (5.5 inches)80%very high
May Weather19°C (66°F)179 mm (7.0 inches)83%very high
June Weather24°C (76°F)85 mm (3.3 inches)83%extreme
July Weather26°C (79°F)90 mm (3.5 inches)76%extreme
August Weather24°C (76°F)102 mm (4.0 inches)69%very high
September Weather22°C (72°F)52 mm (2.1 inches)68%very high
October Weather15°C (59°F)112 mm (4.4 inches)72%high
November Weather7°C (45°F)67 mm (2.6 inches)83%moderate
December Weather4°C (40°F)56 mm (2.2 inches)86%moderate

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