March Weather in Clear Lake, United States

Last updated: June 24, 2025

In Clear Lake, United States, the average temperature in March hovers around -1°C (31°F). While the mercury can plummet to a chilling -28°C (-19°F), it can also reach a surprising high of 25°C (77°F). Expect about 55 mm (2.2 in) of precipitation spread over 7 days, accompanied by an average humidity level of 81%.

March Temperature in Clear Lake

In March in Clear Lake, the average temperature is -1°C (31°F), with maximums reaching up to 25°C (77°F) and minimums plunging as low as -28°C (-19°F). Travelers should be prepared for significant temperature fluctuations, making it essential to pack layers for varying conditions.

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

The chart illustrates March 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, March typically has an average temperature of -1°C (31°F), with highs reaching up to 25°C (77°F) and lows dropping to around -28°C (-19°F).

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

March Precipitation in Clear Lake

In Clear Lake in March, the precipitation amount is 55 mm (2.2 in) over the course of 7 days.

March Precipitation Trends in Clear Lake

The chart displays monthly precipitation patterns in Clear Lake, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Clear Lake, March typically receives around 55 mm (2.2 inches) of precipitation spread over approximately 7 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

March Humidity in Clear Lake

In Clear Lake in March humidity is 81%. With an average temperature of -1°C (31°F), this humidity feels like a heavy, cold mist that clings to your skin, making outdoor adventures damp and challenging.

March Average Humidity in Clear Lake

This chart illustrates the average monthly humidity levels in Clear Lake, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Clear Lake

In Clear Lake in March, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Clear Lake, you can refer to this Hourly UV Index in Clear Lake.

Maximum UV Index Levels in Clear Lake for March

The chart shows the monthly maximum UV Index (UVI) for Clear Lake in March, 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 March, the maximum UV index in Clear Lake typically reaches 6, which falls under the high exposure category.

Data source: Clear Lake March 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 March 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 March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
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 Weather	5°C (41°F)	72 mm (2.8 inches)	82%	very high
May Weather	13°C (56°F)	98 mm (3.9 inches)	76%	very high
June Weather	21°C (70°F)	86 mm (3.4 inches)	81%	very high
July Weather	23°C (73°F)	96 mm (3.8 inches)	82%	very high
August Weather	21°C (69°F)	124 mm (4.9 inches)	83%	very high
September Weather	17°C (63°F)	91 mm (3.6 inches)	82%	very high
October Weather	7°C (46°F)	80 mm (3.1 inches)	82%	moderate
November Weather	0°C (33°F)	28 mm (1.1 inches)	87%	moderate
December Weather	-5°C (24°F)	34 mm (1.3 inches)	84%	low