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April Weather in Plymouth, United States

Last updated: June 24, 2025

In April, the average temperature in Plymouth, United States hovers around 10°C (50°F). However, be prepared for a wide range as temperatures can dip to a chilly -7°C (19°F) or climb to a warm 28°C (83°F). Expect a fair bit of rain, with 117 mm (4.6 in) of precipitation spread over 14 days, and keep in mind that the average humidity is quite high at 87%.

April Temperature in Plymouth

In April in Plymouth, the average temperature is 10°C (50°F), with maximums reaching 28°C (83°F) and minimums dropping as low as -7°C (19°F). Be sure to pack layers to prepare for the wide range of temperatures you'll experience while traveling.

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

The chart illustrates April temperature patterns in Plymouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Plymouth, April typically has an average temperature of 10°C (50°F), with highs reaching up to 28°C (83°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec293240506270747267574134
Data source: Temperature data for Plymouth 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 Plymouth

In Plymouth in April, the precipitation amount is 117 mm (4.6 in) spread over 14 days.

April Precipitation Trends in Plymouth

The chart displays monthly precipitation patterns in Plymouth, 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 Plymouth, April typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec7793961171271331268377959081
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Plymouth

In Plymouth in April humidity is 87%. With an average temperature of 10°C (50°F), this humidity feels like a heavy cloak wrapping around you, making every step feel laborious and the air thick with moisture, challenging your comfort while traveling.

April Average Humidity in Plymouth

This chart illustrates the average monthly humidity levels in Plymouth, 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 Plymouth is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Plymouth

In Plymouth in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Plymouth.

Maximum UV Index Levels in Plymouth for April

The chart shows the monthly maximum UV Index (UVI) for Plymouth 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 Plymouth typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Plymouth 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 Plymouth Compares to Other Months

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

This table compares monthly weather conditions in Plymouth, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)77 mm (3.0 inches)88%moderate
February Weather0°C (32°F)93 mm (3.7 inches)87%moderate
March Weather4°C (40°F)96 mm (3.8 inches)87%high
April Weather10°C (50°F)117 mm (4.6 inches)87%very high
May Weather17°C (62°F)127 mm (5.0 inches)81%very high
June Weather21°C (71°F)133 mm (5.2 inches)82%very high
July Weather24°C (75°F)126 mm (5.0 inches)81%very high
August Weather22°C (72°F)83 mm (3.3 inches)78%very high
September Weather20°C (68°F)77 mm (3.0 inches)78%very high
October Weather14°C (57°F)95 mm (3.7 inches)82%high
November Weather5°C (41°F)90 mm (3.6 inches)89%moderate
December Weather1°C (35°F)81 mm (3.2 inches)86%low

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