March Weather in Westport, United States

Last updated: June 24, 2025

In Westport, United States, the average temperature in March hovers around 12°C (53°F). Be prepared for a temperature range that can dip to a chilly -5°C (23°F) and rise to a warm 30°C (86°F). The month sees about 87 mm (3.4 in) of precipitation spread across roughly 11 days, contributing to a high average humidity of 84%. Make sure to pack accordingly!

March Temperature in Westport

In March in Westport, the average temperature is 12°C (53°F). Maximums can reach 30°C (86°F), while minimums can drop as low as -5°C (23°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

March Weather in Westport: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Westport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westport, March typically has an average temperature of 12°C (53°F), with highs reaching up to 30°C (86°F) and lows dropping to around -5°C (23°F).

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

March Precipitation in Westport

In Westport in March, the precipitation amount is 87 mm (3.4 in) over the course of 11 days.

March Precipitation Trends in Westport

The chart displays monthly precipitation patterns in Westport, 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 Westport, March typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 11 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 Westport

In Westport in March, humidity is 84%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that clings to your skin, making travel a bit uncomfortable as you navigate through the heavy, moist air.

March Average Humidity in Westport

This chart illustrates the average monthly humidity levels in Westport, 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 Westport is approximately 84%, 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 Westport

In Westport in March, 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 Westport.

Maximum UV Index Levels in Westport for March

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

Data source: Westport 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 Westport Compares to Other Months

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

This table compares monthly weather conditions in Westport, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	90 mm (3.5 inches)	86%	moderate
February Weather	9°C (48°F)	116 mm (4.6 inches)	85%	high
March Weather	12°C (53°F)	87 mm (3.4 inches)	84%	very high
April Weather	16°C (62°F)	111 mm (4.4 inches)	82%	very high
May Weather	21°C (70°F)	119 mm (4.7 inches)	83%	very high
June Weather	25°C (77°F)	79 mm (3.1 inches)	82%	extreme
July Weather	27°C (81°F)	88 mm (3.5 inches)	80%	extreme
August Weather	26°C (79°F)	103 mm (4.0 inches)	74%	very high
September Weather	23°C (74°F)	128 mm (5.0 inches)	75%	very high
October Weather	18°C (65°F)	107 mm (4.2 inches)	79%	very high
November Weather	10°C (51°F)	87 mm (3.4 inches)	87%	moderate
December Weather	8°C (46°F)	119 mm (4.7 inches)	87%	moderate