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May Weather in Harvey, United States

Last updated: June 24, 2025

In May, the average temperature in Harvey, United States is a cool 8°C (47°F). Daytime highs can reach a pleasant 26°C (79°F), while nighttime lows may dip to a brisk -3°C (27°F). Expect around 73 mm (2.9 in) of precipitation over 10 days, contributing to an average humidity of 77%. Perfect weather for exploring the season's beauty!

May Temperature in Harvey

In May in Harvey, the average temperature is 8°C (47°F), with maximums reaching 26°C (79°F) and minimums dropping as low as -3°C (27°F). It's advisable to pack layers to stay comfortable as you explore the region's diverse climate during your travels.

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

The chart illustrates May temperature patterns in Harvey, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harvey, May typically has an average temperature of 8°C (47°F), with highs reaching up to 26°C (79°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec201928354757666559483426
Data source: Temperature data for Harvey 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 Harvey

In Harvey in May, the precipitation amount is 73 mm (2.9 in) over the course of 10 days.

May Precipitation Trends in Harvey

The chart displays monthly precipitation patterns in Harvey, 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 Harvey, May typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec4762599473977899991287968
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Harvey

In Harvey in May, humidity is 77%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that can make even short walks outside feel uncomfortable, often clinging to your skin and making you long for warmer, drier conditions.

May Average Humidity in Harvey

This chart illustrates the average monthly humidity levels in Harvey, 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 Harvey is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%88%86%77%74%71%72%76%83%86%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Harvey

In Harvey 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 Harvey.

Maximum UV Index Levels in Harvey for May

The chart shows the monthly maximum UV Index (UVI) for Harvey 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 Harvey typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245789987532
Data source: Harvey 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 Harvey Compares to Other Months

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

This table compares monthly weather conditions in Harvey, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)47 mm (1.8 inches)92%low
February Weather-7°C (19°F)62 mm (2.4 inches)92%moderate
March Weather-2°C (28°F)59 mm (2.3 inches)88%moderate
April Weather2°C (36°F)94 mm (3.7 inches)86%high
May Weather8°C (47°F)73 mm (2.9 inches)77%very high
June Weather14°C (57°F)97 mm (3.8 inches)74%very high
July Weather19°C (66°F)78 mm (3.1 inches)71%very high
August Weather18°C (65°F)99 mm (3.9 inches)72%very high
September Weather15°C (60°F)98 mm (3.9 inches)75%high
October Weather9°C (48°F)128 mm (5.0 inches)83%moderate
November Weather1°C (35°F)79 mm (3.1 inches)86%moderate
December Weather-3°C (26°F)68 mm (2.7 inches)90%low

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