June Weather in Plymouth, United States

Last updated: June 24, 2025

In June, the average temperature in Plymouth, United States hovers around 21°C (71°F). Expect a range of temperatures, with minimums dropping to 5°C (41°F) and maximums soaring up to 34°C (93°F). The weather may be a bit damp, bringing about 133 mm (5.2 in) of precipitation over 14 days, while the air remains notably humid, averaging around 82%.

June Temperature in Plymouth

In June in Plymouth, the average temperature is 21°C (71°F). The maximum can reach 34°C (93°F) and the minimum can be as low as 5°C (41°F). This makes it a great time for travelers to enjoy a range of outdoor activities while being prepared for varying temperatures.

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 21°C (71°F), with highs reaching up to 34°C (93°F) and lows dropping to around 5°C (41°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 133 mm (5.2 in) occurring over the course of 14 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 133 mm (5.2 inches) of precipitation spread over approximately 14 days.

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

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Millimeters (mm) Inches (in)

June Humidity in Plymouth

In Plymouth in June humidity is 82%. With an average temperature of 21°C (71°F), this humidity feels like a warm, muggy embrace that can make traveling feel sticky and exhausting, urging you to seek shade and hydration as you explore the vibrant surroundings.

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 82%, 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	-2°C (29°F)	77 mm (3.0 inches)	88%	moderate
February Weather	0°C (32°F)	93 mm (3.7 inches)	87%	moderate
March Weather	4°C (40°F)	96 mm (3.8 inches)	87%	high
April Weather	10°C (50°F)	117 mm (4.6 inches)	87%	very high
May Weather	17°C (62°F)	127 mm (5.0 inches)	81%	very high
June Weather	21°C (71°F)	133 mm (5.2 inches)	82%	very high
July Weather	24°C (75°F)	126 mm (5.0 inches)	81%	very high
August Weather	22°C (72°F)	83 mm (3.3 inches)	78%	very high
September Weather	20°C (68°F)	77 mm (3.0 inches)	78%	very high
October Weather	14°C (57°F)	95 mm (3.7 inches)	82%	high
November Weather	5°C (41°F)	90 mm (3.6 inches)	89%	moderate
December Weather	1°C (35°F)	81 mm (3.2 inches)	86%	low