June Weather in Bangor, United States

Last updated: June 24, 2025

In June, the average temperature in Bangor, United States hovers around 18°C (64°F). However, temperatures can range from a brisk 2°C (36°F) to a warm 35°C (95°F). Expect 84 mm (3.3 in) of precipitation spread over 11 days, with an average humidity level of 74%.

June Temperature in Bangor

In June in Bangor, the average temperature is 18°C (64°F). Maximum temperatures can reach 35°C (95°F), while minimums can dip to as low as 2°C (36°F). Be prepared for a wide range of temperatures, making it ideal for both warm and cooler outdoor activities.

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

The chart illustrates June temperature patterns in Bangor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bangor, 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 (36°F).

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

June Precipitation in Bangor

In Bangor, in June, the precipitation amount is 84 mm (3.3 in) during a period of 11 days.

June Precipitation Trends in Bangor

The chart displays monthly precipitation patterns in Bangor, 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 Bangor, June typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 11 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 Bangor

In Bangor 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 Bangor

This chart illustrates the average monthly humidity levels in Bangor, 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 Bangor 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 Bangor

In Bangor 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 Bangor.

Maximum UV Index Levels in Bangor for June

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

Data source: Bangor 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 Bangor Compares to Other Months

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

This table compares monthly weather conditions in Bangor, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (23°F)	90 mm (3.5 inches)	88%	low
February Weather	-4°C (24°F)	82 mm (3.2 inches)	88%	moderate
March Weather	-1°C (31°F)	70 mm (2.7 inches)	85%	moderate
April Weather	6°C (43°F)	124 mm (4.9 inches)	81%	high
May Weather	12°C (54°F)	93 mm (3.7 inches)	76%	very high
June Weather	18°C (64°F)	84 mm (3.3 inches)	74%	very high
July Weather	21°C (69°F)	93 mm (3.7 inches)	74%	very high
August Weather	20°C (69°F)	71 mm (2.8 inches)	74%	very high
September Weather	16°C (62°F)	72 mm (2.8 inches)	77%	high
October Weather	10°C (50°F)	115 mm (4.5 inches)	82%	moderate
November Weather	3°C (37°F)	116 mm (4.6 inches)	85%	moderate
December Weather	-3°C (27°F)	119 mm (4.7 inches)	84%	low