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May Weather in Hereford, United States

Last updated: June 24, 2025

In Hereford, United States, the average temperature in May hovers around 20°C (68°F), providing a pleasant climate. However, be prepared for a temperature range that can dip to as low as 0°C (33°F) and soar up to 37°C (98°F). The area experiences an average precipitation of 49 mm (1.9 in) over the course of 7 days, contributing to an average humidity of 69%. Embrace the variety this month offers!

May Temperature in Hereford

In May in Hereford, the average temperature is 20°C (68°F). Maximums can reach 37°C (98°F), while minimums can drop as low as 0°C (33°F). Be prepared for a wide range of temperatures to fully enjoy your travels.

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

The chart illustrates May temperature patterns in Hereford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hereford, May typically has an average temperature of 20°C (68°F), with highs reaching up to 37°C (98°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec394151586877807771584841
Data source: Temperature data for Hereford 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 Hereford

In Hereford in May, the precipitation amount is 49 mm (1.9 in) over the course of 7 days.

May Precipitation Trends in Hereford

The chart displays monthly precipitation patterns in Hereford, 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 Hereford, May typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec19113823493023473256108
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Hereford

In Hereford in May, humidity is 69%. With an average temperature of 20°C (68°F), this humidity feels like walking through a warm, enveloping mist, making outdoor activities enjoyable yet a bit sticky, so it's best to stay hydrated and take breaks in the shade.

May Average Humidity in Hereford

This chart illustrates the average monthly humidity levels in Hereford, 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 Hereford is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%75%61%62%69%74%75%78%76%76%80%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Hereford

In Hereford 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 Hereford.

Maximum UV Index Levels in Hereford for May

The chart shows the monthly maximum UV Index (UVI) for Hereford 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 Hereford typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479111112121210864
Data source: Hereford 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 Hereford Compares to Other Months

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

This table compares monthly weather conditions in Hereford, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)19 mm (0.7 inches)74%moderate
February Weather5°C (41°F)11 mm (0.4 inches)75%high
March Weather11°C (52°F)38 mm (1.5 inches)61%very high
April Weather14°C (58°F)23 mm (0.9 inches)61%extreme
May Weather20°C (68°F)49 mm (1.9 inches)69%extreme
June Weather25°C (77°F)30 mm (1.2 inches)74%extreme
July Weather26°C (80°F)23 mm (0.9 inches)75%extreme
August Weather25°C (78°F)47 mm (1.8 inches)78%extreme
September Weather22°C (71°F)32 mm (1.3 inches)76%very high
October Weather14°C (58°F)56 mm (2.2 inches)76%very high
November Weather9°C (49°F)10 mm (0.4 inches)80%high
December Weather5°C (42°F)8 mm (0.3 inches)77%moderate

Compare Hereford's Climate with Cities Worldwide