April Weather in Plymouth, United States

Last updated: June 24, 2025

In April, the average temperature in Plymouth, United States hovers around 6°C (43°F). Temperatures can dip as low as -7°C (20°F), while the mercury may rise to a pleasant 27°C (80°F). Expect 129 mm (5.1 in) of precipitation over 14 days, coupled with an average humidity level of 80%. Be prepared for a varied climate!

April Temperature in Plymouth

In April in Plymouth, the average temperature is 6°C (43°F). The maximum can reach 27°C (80°F) and the minimum can be as low as -7°C (20°F). It's advisable to pack for both warm days and chilly nights when traveling during this time.

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 6°C (43°F), with highs reaching up to 27°C (80°F) and lows dropping to around -7°C (20°F).

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

April Precipitation in Plymouth

In Plymouth in April, the precipitation amount is 129 mm (5.1 in) over the course of 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 129 mm (5.1 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

April Humidity in Plymouth

In Plymouth in April humidity is 80%. With an average temperature of 6°C (43°F), this humidity feels like a chilly, damp embrace that can make outdoor exploration quite uncomfortable, often leaving travelers feeling clammy and cold despite the relatively mild temperature.

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 80%, offering insight into how humid the weather typically is during this month.

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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	75 mm (3.0 inches)	86%	moderate
February Weather	-5°C (24°F)	83 mm (3.3 inches)	84%	moderate
March Weather	-1°C (30°F)	73 mm (2.9 inches)	82%	moderate
April Weather	6°C (43°F)	129 mm (5.1 inches)	80%	very high
May Weather	13°C (55°F)	86 mm (3.4 inches)	72%	very high
June Weather	18°C (65°F)	100 mm (3.9 inches)	72%	very high
July Weather	21°C (70°F)	137 mm (5.4 inches)	67%	very high
August Weather	20°C (69°F)	92 mm (3.6 inches)	66%	very high
September Weather	16°C (62°F)	66 mm (2.6 inches)	71%	high
October Weather	10°C (50°F)	134 mm (5.3 inches)	78%	moderate
November Weather	2°C (36°F)	115 mm (4.5 inches)	84%	moderate
December Weather	-3°C (26°F)	115 mm (4.5 inches)	81%	low