March Weather in Westerly, United States

Last updated: June 24, 2025

In Westerly, United States, the average temperature in March hovers around 4°C (39°F). Expect chilly nights, with a minimum dropping to -12°C (11°F), while daytime can reach a comfortable maximum of 18°C (65°F). During this month, precipitation totals about 101 mm (4.0 in) over 9 days, and the atmosphere remains quite humid, with an average humidity level of 82%.

March Temperature in Westerly

In March, in Westerly, the average temperature is 4°C (39°F), with maximums reaching up to 18°C (65°F) and minimums dropping as low as -12°C (11°F). This range suggests that travelers should prepare for a mix of mild and chilly weather, making it essential to pack layers for their visit.

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

The chart illustrates March temperature patterns in Westerly, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westerly, March typically has an average temperature of 4°C (39°F), with highs reaching up to 18°C (65°F) and lows dropping to around -12°C (11°F).

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

March Precipitation in Westerly

In Westerly in March, the total precipitation amount is 101 mm (4.0 in), occurring over a span of 9 days.

March Precipitation Trends in Westerly

The chart displays monthly precipitation patterns in Westerly, 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 Westerly, March typically receives around 101 mm (4.0 inches) of precipitation spread over approximately 9 days.

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

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Millimeters (mm) Inches (in)

March Humidity in Westerly

In Westerly in March, humidity is 82%. With an average temperature of 4°C (39°F), this humidity feels like a chill that seeps into your bones, making it uncomfortable for traveling as you find yourself bundled up, yet still damp and cold.

March Average Humidity in Westerly

This chart illustrates the average monthly humidity levels in Westerly, 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 Westerly is approximately 82%, 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 Westerly

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

Maximum UV Index Levels in Westerly for March

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

Data source: Westerly 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 Westerly Compares to Other Months

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

This table compares monthly weather conditions in Westerly, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (33°F)	73 mm (2.9 inches)	84%	moderate
February Weather	2°C (35°F)	95 mm (3.7 inches)	84%	moderate
March Weather	4°C (39°F)	101 mm (4.0 inches)	82%	high
April Weather	9°C (48°F)	125 mm (4.9 inches)	79%	very high
May Weather	14°C (58°F)	111 mm (4.4 inches)	75%	very high
June Weather	20°C (68°F)	95 mm (3.7 inches)	78%	very high
July Weather	23°C (74°F)	128 mm (5.0 inches)	76%	very high
August Weather	23°C (74°F)	102 mm (4.0 inches)	76%	very high
September Weather	19°C (67°F)	93 mm (3.7 inches)	75%	very high
October Weather	14°C (58°F)	134 mm (5.3 inches)	75%	high
November Weather	7°C (46°F)	100 mm (3.9 inches)	80%	moderate
December Weather	3°C (37°F)	125 mm (4.9 inches)	80%	low