March Weather in Port Henry, United States

Last updated: June 24, 2025

In Port Henry, United States, the average temperature in March hovers around -1°C (30°F), with a potential plunge to a brisk -22°C (-6°F) and a rare high of 21°C (70°F). Expect about 68 mm (2.7 in) of precipitation over 9 days, and prepare for a damp atmosphere with an average humidity of 86%. Stay cozy and dry!

March Temperature in Port Henry

In March in Port Henry, the average temperature is -1°C (30°F), with a maximum reaching 21°C (70°F) and a minimum dropping as low as -22°C (-6°F). Be prepared for a wide range of temperatures when planning your trip!

March Weather in Port Henry: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Port Henry, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Henry, March typically has an average temperature of -1°C (30°F), with highs reaching up to 21°C (70°F) and lows dropping to around -22°C (-6°F).

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

March Precipitation in Port Henry

In Port Henry in March, the precipitation amount is 68 mm (2.7 in) spread over 9 days.

March Precipitation Trends in Port Henry

The chart displays monthly precipitation patterns in Port Henry, 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 Port Henry, March typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 9 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 Port Henry

In Port Henry in March, humidity is 86%. With an average temperature of -1°C (30°F), this humidity feels like a heavy blanket wrapping around you, making traveling feel much colder and more uncomfortable than the temperature suggests.

March Average Humidity in Port Henry

This chart illustrates the average monthly humidity levels in Port Henry, 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 Port Henry is approximately 86%, 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 Port Henry

In Port Henry 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 Port Henry, you can refer to this Hourly UV Index in Port Henry.

Maximum UV Index Levels in Port Henry for March

The chart shows the monthly maximum UV Index (UVI) for Port Henry 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 Port Henry typically reaches 6, which falls under the high exposure category.

Data source: Port Henry 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 Port Henry Compares to Other Months

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

This table compares monthly weather conditions in Port Henry, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-7°C (21°F)	81 mm (3.2 inches)	89%	moderate
February Weather	-5°C (24°F)	79 mm (3.1 inches)	88%	moderate
March Weather	-1°C (30°F)	68 mm (2.7 inches)	86%	high
April Weather	6°C (44°F)	118 mm (4.7 inches)	84%	very high
May Weather	13°C (57°F)	95 mm (3.7 inches)	76%	very high
June Weather	18°C (66°F)	107 mm (4.2 inches)	72%	very high
July Weather	22°C (71°F)	135 mm (5.3 inches)	66%	very high
August Weather	20°C (69°F)	115 mm (4.5 inches)	64%	very high
September Weather	16°C (62°F)	78 mm (3.1 inches)	72%	high
October Weather	10°C (50°F)	142 mm (5.6 inches)	81%	moderate
November Weather	2°C (36°F)	103 mm (4.1 inches)	87%	moderate
December Weather	-3°C (27°F)	89 mm (3.5 inches)	84%	low