June Weather in Plymouth, United States

Last updated: June 24, 2025

In June, the average temperature in Plymouth, United States hovers around 18°C (64°F), offering a pleasant climate. However, be prepared for temperatures that can dip to a chilly 2°C (37°F) or soar up to a sweltering 35°C (95°F). With an average precipitation of 75 mm (2.9 in) spread over 10 days and humidity levels at a cozy 74%, it's a good idea to pack accordingly for this vibrant month.

June Temperature in Plymouth

In June in Plymouth, the average temperature is 18°C (64°F), with maximum temperatures reaching up to 35°C (95°F) and minimums dipping as low as 2°C (37°F). This diverse range of temperatures makes Plymouth an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates June 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, June typically has an average temperature of 18°C (64°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (37°F).

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

June Precipitation in Plymouth

In Plymouth in June, the precipitation amount is 75 mm (2.9 in) spread over a period of 10 days.

June Precipitation Trends in Plymouth

The chart displays monthly precipitation patterns in Plymouth, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Plymouth, June typically receives around 75 mm (2.9 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

June Humidity in Plymouth

In Plymouth in June humidity is 74%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls but potentially uncomfortable for extended outdoor activities.

June Average Humidity in Plymouth

This chart illustrates the average monthly humidity levels in Plymouth, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Plymouth is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Plymouth

In Plymouth in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Plymouth.

Maximum UV Index Levels in Plymouth for June

The chart shows the monthly maximum UV Index (UVI) for Plymouth in June, 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 June, the maximum UV index in Plymouth typically reaches 10, which falls under the very high exposure category.

Data source: Plymouth June 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 June 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 June’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 June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	86 mm (3.4 inches)	88%	low
February Weather	-5°C (24°F)	81 mm (3.2 inches)	88%	moderate
March Weather	-1°C (31°F)	71 mm (2.8 inches)	85%	moderate
April Weather	6°C (43°F)	121 mm (4.8 inches)	81%	high
May Weather	12°C (54°F)	91 mm (3.6 inches)	76%	very high
June Weather	18°C (64°F)	75 mm (2.9 inches)	74%	very high
July Weather	21°C (70°F)	103 mm (4.1 inches)	74%	very high
August Weather	20°C (69°F)	73 mm (2.9 inches)	74%	very high
September Weather	16°C (62°F)	70 mm (2.8 inches)	77%	high
October Weather	10°C (50°F)	119 mm (4.7 inches)	82%	moderate
November Weather	2°C (36°F)	111 mm (4.4 inches)	85%	moderate
December Weather	-4°C (26°F)	113 mm (4.5 inches)	84%	low