June Weather in Princeton, United States

Last updated: June 24, 2025

The average temperature in Princeton, United States during June is a warm 28°C (82°F). Expect minimums around 23°C (74°F) and maximums reaching up to 35°C (95°F). With precipitation totaling 205 mm (8.1 in) spread over 24 days, it's advisable to prepare for some rain. Additionally, the average humidity sits at a comfortable 69%, making for a typically humid climate.

June Temperature in Princeton

In June, in Princeton, the average temperature is 28°C (82°F). Maximums can reach 35°C (95°F), and minimums can be as low as 23°C (74°F). This makes Princeton a warm and pleasant destination for travelers looking to enjoy a sunny getaway.

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

The chart illustrates June temperature patterns in Princeton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Princeton, June typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (74°F).

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

June Precipitation in Princeton

In Princeton in June, the precipitation amount is 205 mm (8.1 in) over a span of 24 days.

June Precipitation Trends in Princeton

The chart displays monthly precipitation patterns in Princeton, 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 Princeton, June typically receives around 205 mm (8.1 inches) of precipitation spread over approximately 24 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 Princeton

In Princeton in June, humidity is 69%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that clings to your skin, making outdoor exploration slightly more challenging but still enjoyable as you soak in the vibrant surroundings.

June Average Humidity in Princeton

This chart illustrates the average monthly humidity levels in Princeton, 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 Princeton is approximately 69%, 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 Princeton

In Princeton in June, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Princeton.

Maximum UV Index Levels in Princeton for June

The chart shows the monthly maximum UV Index (UVI) for Princeton 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 Princeton typically reaches 13, which falls under the extreme exposure category.

Data source: Princeton 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 Princeton Compares to Other Months

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

This table compares monthly weather conditions in Princeton, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	20°C (69°F)	25 mm (1.0 inches)	81%	high
February Weather	23°C (73°F)	43 mm (1.7 inches)	79%	very high
March Weather	23°C (73°F)	27 mm (1.1 inches)	76%	very high
April Weather	25°C (78°F)	58 mm (2.3 inches)	73%	extreme
May Weather	26°C (80°F)	149 mm (5.9 inches)	71%	extreme
June Weather	28°C (82°F)	205 mm (8.1 inches)	69%	extreme
July Weather	28°C (84°F)	204 mm (8.0 inches)	70%	extreme
August Weather	29°C (84°F)	203 mm (8.0 inches)	72%	extreme
September Weather	28°C (83°F)	214 mm (8.4 inches)	76%	extreme
October Weather	27°C (81°F)	132 mm (5.2 inches)	79%	very high
November Weather	24°C (75°F)	69 mm (2.7 inches)	80%	very high
December Weather	22°C (71°F)	37 mm (1.4 inches)	81%	high