April Weather in Harwich, United Kingdom

Last updated: August 27, 2025

In April, the average temperature in Harwich, United Kingdom is a cool 9°C (48°F). You'll experience lows around 0°C (33°F) and highs reaching up to 20°C (69°F). Expect 25 mm (1.0 in) of precipitation over approximately 7 days, coupled with a high average humidity of 85%.

April Temperature in Harwich

In April in Harwich, the average temperature is 9°C (48°F). The maximum can reach 20°C (69°F), while the minimum can be as low as 0°C (33°F). Travelers should prepare for a range of temperatures, enjoying mild days and cooler nights.

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

The chart illustrates April 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, April typically has an average temperature of 9°C (48°F), with highs reaching up to 20°C (69°F) and lows dropping to around 0°C (33°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.

April Precipitation in Harwich

In Harwich in April, the precipitation amount is 25 mm (1.0 in) over the course of 7 days.

April Precipitation Trends in Harwich

The chart displays monthly precipitation patterns in Harwich, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Harwich, April typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5964562557646675579255101
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Harwich

In Harwich in April humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.

April Average Humidity in Harwich

This chart illustrates the average monthly humidity levels in Harwich, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Harwich is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Harwich

In Harwich in April, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Harwich.

Maximum UV Index Levels in Harwich for April

The chart shows the monthly maximum UV Index (UVI) for Harwich in April, 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 April, the maximum UV index in Harwich typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Harwich April 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 April 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 April’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 April’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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