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May Weather in Royal City, United States

Last updated: June 24, 2025

In Royal City, United States, the average temperature in May hovers around 18°C (64°F). However, be prepared for a temperature range that can dip to a chilly 3°C (38°F) and soar up to a sizzling 35°C (96°F). During this month, expect precipitation of about 14 mm (0.6 in) over just 3 days, contributing to an average humidity level of 77%—perfect for those who enjoy a bit of tropical flair!

May Temperature in Royal City

In May in Royal City, the average temperature is 18°C (64°F). Maximum can reach 35°C (96°F) and minimum can be as low as 3°C (38°F). It's advisable to pack layers to enjoy a comfortable trip and be prepared for varying weather conditions.

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

The chart illustrates May temperature patterns in Royal City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Royal City, May typically has an average temperature of 18°C (64°F), with highs reaching up to 35°C (96°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec313344536471787766524033
Data source: Temperature data for Royal 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 Royal City

In Royal City in May, the precipitation amount is 14 mm (0.6 in) accumulated over the course of 3 days.

May Precipitation Trends in Royal City

The chart displays monthly precipitation patterns in Royal 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 Royal City, May typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec433724241461312303536
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Royal City

In Royal City in May humidity is 77%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it feel muggy and potentially uncomfortable for traveling, as sweat clings to your skin and the air thickens around you.

May Average Humidity in Royal City

This chart illustrates the average monthly humidity levels in Royal 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 Royal City is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%82%77%79%77%62%60%80%87%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Royal City

In Royal City in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Royal City.

Maximum UV Index Levels in Royal City for May

The chart shows the monthly maximum UV Index (UVI) for Royal 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 Royal City typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356891097532
Data source: Royal 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 Royal City Compares to Other Months

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

This table compares monthly weather conditions in Royal City, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)43 mm (1.7 inches)85%low
February Weather1°C (33°F)37 mm (1.5 inches)86%moderate
March Weather7°C (44°F)24 mm (1.0 inches)86%moderate
April Weather12°C (53°F)24 mm (1.0 inches)82%high
May Weather18°C (64°F)14 mm (0.6 inches)77%very high
June Weather22°C (71°F)6 mm (0.2 inches)79%very high
July Weather26°C (78°F)1 mm (0.0 inches)77%very high
August Weather25°C (77°F)3 mm (0.1 inches)62%very high
September Weather19°C (67°F)12 mm (0.5 inches)60%high
October Weather11°C (52°F)30 mm (1.2 inches)80%moderate
November Weather5°C (40°F)35 mm (1.4 inches)87%moderate
December Weather1°C (33°F)36 mm (1.4 inches)86%low

Compare Royal City's Climate with Cities Worldwide