June Weather in Collegeville, United States

Last updated: June 24, 2025

In June, the average temperature in Collegeville, United States hovers around 21°C (71°F). Be prepared for a range of temperatures, with minimums dropping to 7°C (45°F) and maximums soaring up to 38°C (102°F). Expect 69 mm (2.7 in) of precipitation spread across 9 rainy days, and take note of the average humidity at a sticky 80%.

June Temperature in Collegeville

In June in Collegeville, the average temperature is 21°C (71°F). Maximum temperatures can reach 38°C (102°F), while minimums can drop as low as 7°C (45°F). This variation in temperature makes it essential for travelers to pack for both warm days and cooler evenings.

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

The chart illustrates June temperature patterns in Collegeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Collegeville, June typically has an average temperature of 21°C (71°F), with highs reaching up to 38°C (102°F) and lows dropping to around 7°C (45°F).

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

June Precipitation in Collegeville

In Collegeville in June, the precipitation amount is 69 mm (2.7 in) spread over 9 days.

June Precipitation Trends in Collegeville

The chart displays monthly precipitation patterns in Collegeville, 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 Collegeville, June typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 9 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 Collegeville

In Collegeville in June humidity is 80%. With an average temperature of 21°C (71°F), this humidity feels like a warm, heavy blanket wrapping around you, making outdoor activities feel more exhausting and requiring frequent breaks to stay hydrated.

June Average Humidity in Collegeville

This chart illustrates the average monthly humidity levels in Collegeville, 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 Collegeville is approximately 80%, 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 Collegeville

In Collegeville 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 Collegeville.

Maximum UV Index Levels in Collegeville for June

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

Data source: Collegeville 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 Collegeville Compares to Other Months

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

This table compares monthly weather conditions in Collegeville, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	19 mm (0.8 inches)	87%	low
February Weather	-10°C (15°F)	24 mm (1.0 inches)	90%	moderate
March Weather	0°C (31°F)	50 mm (2.0 inches)	85%	moderate
April Weather	5°C (42°F)	81 mm (3.2 inches)	84%	high
May Weather	14°C (58°F)	95 mm (3.7 inches)	78%	very high
June Weather	21°C (71°F)	69 mm (2.7 inches)	80%	very high
July Weather	23°C (74°F)	98 mm (3.9 inches)	81%	very high
August Weather	21°C (70°F)	143 mm (5.6 inches)	81%	very high
September Weather	17°C (63°F)	115 mm (4.5 inches)	81%	high
October Weather	8°C (47°F)	103 mm (4.1 inches)	84%	moderate
November Weather	0°C (32°F)	29 mm (1.2 inches)	88%	moderate
December Weather	-6°C (22°F)	45 mm (1.8 inches)	84%	low