May Weather in Harvey, United States

Last updated: June 24, 2025

In Harvey, United States, the average temperature in May hovers around 25°C (77°F), providing a comfortable environment for outdoor activities. You might experience a minimum of 14°C (58°F) and a maximum of 33°C (91°F), making it essential to pack for varying conditions. With an average humidity of 77% and precipitation totaling 144 mm (5.7 in) over approximately 13 days, it’s advisable to have an umbrella handy for those occasional showers.

May Temperature in Harvey

In May in Harvey, the average temperature is 25°C (77°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 14°C (58°F). This varied climate makes Harvey an ideal destination for travelers seeking a pleasant mix of warm days and cooler evenings.

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 25°C (77°F), with highs reaching up to 33°C (91°F) and lows dropping to around 14°C (58°F).

Data source: Temperature data for Harvey generated using information from the Copernicus Climate Change Service.

May Precipitation in Harvey

In Harvey in May, the precipitation amount is 144 mm (5.7 in) spread over 13 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 144 mm (5.7 inches) of precipitation spread over approximately 13 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Harvey

In Harvey in May, humidity is 77%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly heavy but still pleasant, as long as you stay hydrated and take frequent breaks in the shade.

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.

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 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 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 11, which falls under the extreme exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	90 mm (3.5 inches)	81%	moderate
February Weather	15°C (60°F)	96 mm (3.8 inches)	81%	very high
March Weather	18°C (65°F)	87 mm (3.4 inches)	79%	very high
April Weather	21°C (70°F)	113 mm (4.5 inches)	81%	extreme
May Weather	25°C (77°F)	144 mm (5.7 inches)	77%	extreme
June Weather	27°C (81°F)	218 mm (8.6 inches)	74%	extreme
July Weather	28°C (83°F)	219 mm (8.6 inches)	74%	extreme
August Weather	28°C (83°F)	273 mm (10.8 inches)	73%	extreme
September Weather	27°C (80°F)	147 mm (5.8 inches)	79%	very high
October Weather	23°C (74°F)	133 mm (5.2 inches)	77%	very high
November Weather	17°C (62°F)	58 mm (2.3 inches)	81%	high
December Weather	14°C (58°F)	101 mm (4.0 inches)	84%	moderate