April Weather in Clear Lake, United States

Last updated: June 24, 2025

In April, the average temperature in Clear Lake, United States hovers around 7°C (45°F), with a potential dive to a chilly -14°C (6°F) or a pleasant rise to 28°C (83°F). Expect 83 mm (3.3 in) of precipitation spread over approximately 10 days, contributing to an average humidity level of 81%. Come prepared for a mix of weather!

April Temperature in Clear Lake

In April in Clear Lake, the average temperature is 7°C (45°F), with maximums reaching 28°C (83°F) and minimums dropping as low as -14°C (6°F). This diverse range of temperatures makes Clear Lake an ideal destination for travelers looking for a mix of seasonal experiences.

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

The chart illustrates April 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, April typically has an average temperature of 7°C (45°F), with highs reaching up to 28°C (83°F) and lows dropping to around -14°C (6°F).

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

April Precipitation in Clear Lake

In Clear Lake in April, the total precipitation amount is 83 mm (3.3 in) over a span of 10 days.

April Precipitation Trends in Clear Lake

The chart displays monthly precipitation patterns in Clear Lake, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Clear Lake, April typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Clear Lake

In Clear Lake in April, humidity is 81%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor adventures slightly uncomfortable and requiring extra layers to stay warm while exploring.

April Average Humidity in Clear Lake

This chart illustrates the average monthly humidity levels in Clear Lake, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Clear Lake is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Clear Lake

In Clear Lake in April, 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 Clear Lake.

Maximum UV Index Levels in Clear Lake for April

The chart shows the monthly maximum UV Index (UVI) for Clear Lake in April, 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 April, the maximum UV index in Clear Lake typically reaches 8, which falls under the very high exposure category.

Data source: Clear Lake April 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 April 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 April’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 April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (19°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-8°C (18°F)	47 mm (1.9 inches)	84%	moderate
March Weather	1°C (35°F)	72 mm (2.9 inches)	80%	moderate
April Weather	7°C (45°F)	83 mm (3.3 inches)	81%	very high
May Weather	15°C (60°F)	159 mm (6.2 inches)	74%	very high
June Weather	22°C (72°F)	133 mm (5.2 inches)	80%	extreme
July Weather	23°C (74°F)	102 mm (4.0 inches)	80%	very high
August Weather	21°C (71°F)	121 mm (4.8 inches)	77%	very high
September Weather	18°C (65°F)	105 mm (4.1 inches)	75%	very high
October Weather	10°C (49°F)	110 mm (4.3 inches)	80%	moderate
November Weather	2°C (35°F)	47 mm (1.9 inches)	87%	moderate
December Weather	-3°C (27°F)	36 mm (1.4 inches)	83%	moderate