May Weather in Groom, United States

Last updated: June 24, 2025

In Groom, United States, the average temperature in May hovers around 19°C (67°F), with extremes ranging from a chilly 1°C (34°F) to a warm 36°C (97°F). Visitors can expect about 79 mm (3.1 in) of precipitation spread over 11 days, contributing to an average humidity level of 78%. Whether you're enjoying the mild warmth or navigating the occasional rainfall, this month's weather offers a diverse experience!

May Temperature in Groom

In May in Groom, the average temperature is 19°C (67°F), with maximums reaching up to 36°C (97°F) and minimums dipping as low as 1°C (34°F). This makes Groom a great destination for travelers seeking a mix of warm and cool weather possibilities.

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

The chart illustrates May temperature patterns in Groom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Groom, May typically has an average temperature of 19°C (67°F), with highs reaching up to 36°C (97°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec383850566676797771574841
Data source: Temperature data for Groom 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 Groom

In Groom in May, the total precipitation amount is 79 mm (3.1 in), falling over the course of 11 days.

May Precipitation Trends in Groom

The chart displays monthly precipitation patterns in Groom, 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 Groom, May typically receives around 79 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec211446357948424952631421
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Groom

In Groom in May humidity is 78%. With an average temperature of 19°C (67°F), this humidity feels like a warm, heavy blanket enveloping you, making traveling feel both sticky and sluggish as you navigate through the day.

May Average Humidity in Groom

This chart illustrates the average monthly humidity levels in Groom, 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 Groom is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%76%64%70%78%81%82%78%72%73%81%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Groom

In Groom in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Groom.

Maximum UV Index Levels in Groom for May

The chart shows the monthly maximum UV Index (UVI) for Groom 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 Groom typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111112121110754
Data source: Groom 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 Groom Compares to Other Months

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

This table compares monthly weather conditions in Groom, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)21 mm (0.8 inches)75%moderate
February Weather4°C (39°F)14 mm (0.6 inches)76%high
March Weather10°C (50°F)46 mm (1.8 inches)64%very high
April Weather14°C (57°F)35 mm (1.4 inches)70%extreme
May Weather19°C (67°F)79 mm (3.1 inches)78%extreme
June Weather24°C (76°F)48 mm (1.9 inches)81%extreme
July Weather26°C (79°F)42 mm (1.7 inches)82%extreme
August Weather25°C (78°F)49 mm (1.9 inches)78%extreme
September Weather22°C (71°F)52 mm (2.0 inches)72%very high
October Weather14°C (58°F)63 mm (2.5 inches)73%high
November Weather9°C (48°F)14 mm (0.5 inches)80%moderate
December Weather5°C (41°F)21 mm (0.8 inches)81%moderate

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