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May Weather in Clear Lake, United States

Last updated: June 24, 2025

In May, the average temperature in Clear Lake, United States hovers around 13°C (56°F). Temperatures can vary significantly, with a minimum of -2°C (29°F) and peaking at a warm 33°C (92°F). Expect about 98 mm (3.9 in) of precipitation spread over 13 days, contributing to an average humidity of 76%.

May Temperature in Clear Lake

In May in Clear Lake, the average temperature is 13°C (56°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling to Clear Lake during this month.

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 13°C (56°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec151431405670736962453223
Data source: Temperature data for Clear Lake 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 Clear Lake

In Clear Lake in May, the precipitation amount is 98 mm (3.9 in) over a span of 13 days.

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 98 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec2319557298869612491802834
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Clear Lake

In Clear Lake in May humidity is 76%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket enveloping you, making travel a bit uncomfortable as you navigate through the heavy, moisture-laden air.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3568910998532
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.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)23 mm (0.9 inches)85%moderate
February Weather-10°C (15°F)19 mm (0.7 inches)89%moderate
March Weather-1°C (31°F)55 mm (2.2 inches)81%high
April Weather5°C (41°F)72 mm (2.8 inches)82%very high
May Weather13°C (56°F)98 mm (3.9 inches)76%very high
June Weather21°C (70°F)86 mm (3.4 inches)81%very high
July Weather23°C (73°F)96 mm (3.8 inches)82%very high
August Weather21°C (69°F)124 mm (4.9 inches)83%very high
September Weather17°C (63°F)91 mm (3.6 inches)82%very high
October Weather7°C (46°F)80 mm (3.1 inches)82%moderate
November Weather0°C (33°F)28 mm (1.1 inches)87%moderate
December Weather-5°C (24°F)34 mm (1.3 inches)84%low

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