May Weather in Tomball, United States

Last updated: June 24, 2025

In May, the average temperature in Tomball, United States is a pleasant 25°C (77°F). Visitors can expect temperature fluctuations, with a minimum of 10°C (50°F) and a maximum soaring to 35°C (96°F). Rain is likely, with an average precipitation amount of 192 mm (7.6 in) spread over 16 days. Don’t forget, the average humidity level hovers around 79%, adding to the tropical allure of the region.

May Temperature in Tomball

In May in Tomball, the average temperature is 25°C (77°F). Maximum temperatures can reach 35°C (96°F), while minimums can dip as low as 10°C (50°F). This diverse temperature range makes Tomball an ideal destination for travelers seeking both warmth and cooler respite during their trip.

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

The chart illustrates May temperature patterns in Tomball, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tomball, May typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (50°F).

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

May Precipitation in Tomball

In Tomball in May, the precipitation amount is 192 mm (7.6 in) during a span of 16 days.

May Precipitation Trends in Tomball

The chart displays monthly precipitation patterns in Tomball, 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 Tomball, May typically receives around 192 mm (7.6 inches) of precipitation spread over approximately 16 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 Tomball

In Tomball in May, humidity is 79%. With an average temperature of 25°C (77°F), this humidity feels like a warm blanket wrapping around you, making travel feel slightly sluggish but pleasantly tropical.

May Average Humidity in Tomball

This chart illustrates the average monthly humidity levels in Tomball, 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 Tomball is approximately 79%, 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 Tomball

In Tomball 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 Tomball.

Maximum UV Index Levels in Tomball for May

The chart shows the monthly maximum UV Index (UVI) for Tomball 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 Tomball typically reaches 11, which falls under the extreme exposure category.

Data source: Tomball 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 Tomball Compares to Other Months

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

This table compares monthly weather conditions in Tomball, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	91 mm (3.6 inches)	78%	moderate
February Weather	14°C (57°F)	103 mm (4.1 inches)	81%	very high
March Weather	18°C (65°F)	86 mm (3.4 inches)	76%	very high
April Weather	21°C (70°F)	90 mm (3.6 inches)	79%	extreme
May Weather	25°C (77°F)	192 mm (7.6 inches)	79%	extreme
June Weather	28°C (82°F)	160 mm (6.3 inches)	74%	extreme
July Weather	29°C (84°F)	123 mm (4.9 inches)	71%	extreme
August Weather	29°C (84°F)	168 mm (6.6 inches)	68%	extreme
September Weather	26°C (80°F)	166 mm (6.5 inches)	73%	very high
October Weather	22°C (72°F)	104 mm (4.1 inches)	75%	very high
November Weather	16°C (62°F)	73 mm (2.9 inches)	78%	high
December Weather	14°C (57°F)	111 mm (4.4 inches)	84%	moderate