March Weather in Northwest Harwich, United States

Last updated: June 24, 2025

In March, the average temperature in Northwest Harwich, United States hovers around 3°C (38°F), with a minimum dipping to -8°C (18°F) and a maximum reaching 12°C (54°F). Expect a precipitation amount of 119 mm (4.7 in) spread over 11 days, contributing to an average humidity of 82%. Be prepared for chilly, damp conditions!

March Temperature in Northwest Harwich

In March in Northwest Harwich, the average temperature is 3°C (38°F). Maximums can reach 12°C (54°F), while minimums can dip as low as -8°C (18°F). Be sure to pack warm clothing and prepare for chilly weather if you plan to travel during this time.

March Weather in Northwest Harwich: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Northwest Harwich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Northwest Harwich, March typically has an average temperature of 3°C (38°F), with highs reaching up to 12°C (54°F) and lows dropping to around -8°C (18°F).

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

March Precipitation in Northwest Harwich

In Northwest Harwich in March, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.

March Precipitation Trends in Northwest Harwich

The chart displays monthly precipitation patterns in Northwest Harwich, 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 Northwest Harwich, March typically receives around 119 mm (4.7 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 Northwest Harwich

In Northwest Harwich in March humidity is 82%. With an average temperature of 3°C (38°F), this humidity feels like a chilly blanket wrapped around you, making outdoor adventures quite uncomfortable and requiring extra layers to stay warm while exploring.

March Average Humidity in Northwest Harwich

This chart illustrates the average monthly humidity levels in Northwest Harwich, 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 Northwest Harwich 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 Northwest Harwich

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

Maximum UV Index Levels in Northwest Harwich for March

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

Data source: Northwest Harwich 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 Northwest Harwich Compares to Other Months

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

This table compares monthly weather conditions in Northwest Harwich, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (37°F)	94 mm (3.7 inches)	84%	moderate
February Weather	2°C (37°F)	124 mm (4.9 inches)	84%	moderate
March Weather	3°C (38°F)	119 mm (4.7 inches)	82%	high
April Weather	7°C (45°F)	131 mm (5.1 inches)	79%	very high
May Weather	11°C (52°F)	121 mm (4.8 inches)	75%	very high
June Weather	16°C (61°F)	88 mm (3.5 inches)	78%	very high
July Weather	20°C (69°F)	77 mm (3.0 inches)	76%	very high
August Weather	21°C (71°F)	83 mm (3.3 inches)	76%	very high
September Weather	19°C (66°F)	116 mm (4.6 inches)	75%	very high
October Weather	15°C (59°F)	169 mm (6.7 inches)	75%	high
November Weather	9°C (49°F)	106 mm (4.2 inches)	80%	moderate
December Weather	5°C (41°F)	138 mm (5.4 inches)	80%	low