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March Weather in Harwich, United Kingdom

Last updated: August 27, 2025

In March, the average temperature in Harwich, United Kingdom hovers around 7°C (45°F). Be prepared for chilly days, as temperatures can dip to a minimum of -3°C (26°F), while the maximum may reach 16°C (61°F). Expect 56 mm (2.2 in) of precipitation spread across about 13 days, and with an average humidity level of 86%, the air tends to feel quite damp.

March Temperature in Harwich

In March in Harwich, the average temperature is 7°C (45°F). Maximums can reach 16°C (61°F) and minimums can be as low as -3°C (26°F). This means travelers should be prepared for a mix of cool and mild weather, making it a great time for layering and enjoying outdoor activities.

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

The chart illustrates March temperature patterns in Harwich, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Harwich, March typically has an average temperature of 7°C (45°F), with highs reaching up to 16°C (61°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec414345485461646460554844
Data source: Temperature data for Harwich generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Harwich

In Harwich in March, the precipitation amount is 56 mm (2.2 in) over the course of 13 days.

March Precipitation Trends in Harwich

The chart displays monthly precipitation patterns in 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 Harwich, March typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec5964562557646675579255101
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Harwich

In Harwich in March, humidity is 86%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and necessitating cozy layers to stay warm while navigating the moist air.

March Average Humidity in Harwich

This chart illustrates the average monthly humidity levels in 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 Harwich is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Harwich

In Harwich in March, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Harwich for better planning.

Maximum UV Index Levels in Harwich for March

The chart shows the monthly maximum UV Index (UVI) for 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 Harwich typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: 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 Harwich Compares to Other Months

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

This table compares monthly weather conditions in Harwich, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)59 mm (2.3 inches)91%low
February Weather6°C (43°F)64 mm (2.5 inches)89%low
March Weather7°C (45°F)56 mm (2.2 inches)86%moderate
April Weather9°C (48°F)25 mm (1.0 inches)85%moderate
May Weather12°C (54°F)57 mm (2.2 inches)82%high
June Weather16°C (61°F)64 mm (2.5 inches)81%very high
July Weather18°C (64°F)66 mm (2.6 inches)76%very high
August Weather18°C (65°F)75 mm (2.9 inches)73%high
September Weather16°C (61°F)57 mm (2.3 inches)80%moderate
October Weather13°C (55°F)92 mm (3.6 inches)89%moderate
November Weather9°C (48°F)55 mm (2.2 inches)92%low
December Weather7°C (44°F)101 mm (4.0 inches)92%low

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