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May Weather in Norman, United States

Last updated: June 24, 2025

In May, the average temperature in Norman, United States is a pleasant 21°C (70°F). However, temperatures can vary significantly, with a minimum of 7°C (44°F) and a maximum soaring to 35°C (95°F). Expect 135 mm (5.3 in) of precipitation spread over 11 days, contributing to a high average humidity of 82%.

May Temperature in Norman

In May, in Norman, the average temperature is 21°C (70°F). Maximums can reach 35°C (95°F) and minimums can be as low as 7°C (44°F). It's an ideal time to visit for those who enjoy mild weather but be prepared for both warm and cool conditions.

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

The chart illustrates May temperature patterns in Norman, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Norman, May typically has an average temperature of 21°C (70°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec404154597079838175625045
Data source: Temperature data for Norman 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 Norman

In Norman in May, the precipitation amount is 135 mm (5.3 in) over the course of 11 days.

May Precipitation Trends in Norman

The chart displays monthly precipitation patterns in Norman, 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 Norman, May typically receives around 135 mm (5.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec454890132135824757871072937
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Norman

In Norman in May, humidity is 82%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace that can quickly lead to discomfort for travelers, making outdoor activities less enjoyable and requiring frequent breaks for hydration.

May Average Humidity in Norman

This chart illustrates the average monthly humidity levels in Norman, 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 Norman is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%70%72%82%82%80%72%64%71%81%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Norman

In Norman 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 Norman.

Maximum UV Index Levels in Norman for May

The chart shows the monthly maximum UV Index (UVI) for Norman 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 Norman typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101111119754
Data source: Norman 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 Norman Compares to Other Months

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

This table compares monthly weather conditions in Norman, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)45 mm (1.8 inches)76%moderate
February Weather5°C (41°F)48 mm (1.9 inches)76%high
March Weather12°C (54°F)90 mm (3.5 inches)70%very high
April Weather15°C (60°F)132 mm (5.2 inches)72%very high
May Weather21°C (70°F)135 mm (5.3 inches)82%very high
June Weather26°C (79°F)81 mm (3.2 inches)82%extreme
July Weather28°C (83°F)47 mm (1.9 inches)80%extreme
August Weather27°C (81°F)57 mm (2.2 inches)72%extreme
September Weather24°C (76°F)87 mm (3.4 inches)64%very high
October Weather17°C (62°F)107 mm (4.2 inches)71%high
November Weather10°C (51°F)29 mm (1.2 inches)81%moderate
December Weather7°C (45°F)37 mm (1.5 inches)84%moderate

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