May Weather in Clear Lake, United States

Last updated: June 24, 2025

In Clear Lake, United States, the average temperature in May hovers around 14°C (58°F). However, temperatures can vary significantly, with a minimum dipping to -1°C (31°F) and a maximum soaring to 36°C (97°F). Visitors can expect 96 mm (3.8 in) of precipitation spread over approximately 11 days, with the average humidity resting at a comfortable 78%.

May Temperature in Clear Lake

In May in Clear Lake, the average temperature is 14°C (58°F). Maximum temperatures can reach 36°C (97°F), while minimums can drop as low as -1°C (31°F). It's advisable to pack layers and be prepared for varying weather conditions while traveling during this time.

May Weather in Clear Lake: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Clear Lake, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clear Lake, May typically has an average temperature of 14°C (58°F), with highs reaching up to 36°C (97°F) and lows dropping to around -1°C (31°F).

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

May Precipitation in Clear Lake

In Clear Lake in May, the precipitation amount is 96 mm (3.8 in) spread over 11 days, resulting in a significant accumulation of rainfall.

May Precipitation Trends in Clear Lake

The chart displays monthly precipitation patterns in Clear Lake, 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 Clear Lake, May typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Clear Lake

In Clear Lake in May, humidity is 78%. With an average temperature of 14°C (58°F), this humidity feels like a damp embrace, making traveling a bit uncomfortable as the air clings to your skin, causing you to sweat more than usual while exploring.

May Average Humidity in Clear Lake

This chart illustrates the average monthly humidity levels in Clear Lake, 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 Clear Lake is approximately 78%, 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 Clear Lake

In Clear Lake in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Clear Lake.

Maximum UV Index Levels in Clear Lake for May

The chart shows the monthly maximum UV Index (UVI) for Clear Lake 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 Clear Lake typically reaches 9, which falls under the very high exposure category.

Data source: Clear Lake 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 Clear Lake Compares to Other Months

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

This table compares monthly weather conditions in Clear Lake, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	19 mm (0.7 inches)	87%	low
February Weather	-10°C (15°F)	26 mm (1.0 inches)	90%	moderate
March Weather	0°C (32°F)	51 mm (2.0 inches)	85%	moderate
April Weather	5°C (42°F)	84 mm (3.3 inches)	84%	high
May Weather	14°C (58°F)	96 mm (3.8 inches)	78%	very high
June Weather	21°C (71°F)	72 mm (2.8 inches)	80%	very high
July Weather	23°C (74°F)	96 mm (3.8 inches)	81%	very high
August Weather	21°C (70°F)	146 mm (5.8 inches)	81%	very high
September Weather	17°C (63°F)	118 mm (4.6 inches)	81%	high
October Weather	8°C (47°F)	105 mm (4.2 inches)	84%	moderate
November Weather	0°C (32°F)	30 mm (1.2 inches)	88%	moderate
December Weather	-6°C (22°F)	45 mm (1.8 inches)	84%	low