June Weather in Princeton, United States

Last updated: June 24, 2025

In Princeton, United States, the average temperature in June hovers around 25°C (77°F), with a minimum of 13°C (57°F) and a peak of 34°C (93°F). Expect about 118 mm (4.6 in) of precipitation spread over 11 days, resulting in an average humidity of 83%. Stay prepared for a mix of warmth and moisture during your visit!

June Temperature in Princeton

In June in Princeton, the average temperature is 25°C (77°F). The maximum can reach 34°C (93°F), while the minimum can be as low as 13°C (57°F). This pleasant climate makes it an ideal destination for travelers seeking warm weather and outdoor experiences.

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 25°C (77°F), with highs reaching up to 34°C (93°F) and lows dropping to around 13°C (57°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 118 mm (4.6 in) over the course of 11 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 118 mm (4.6 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 Princeton

In Princeton in June humidity is 83%. With an average temperature of 25°C (77°F), this humidity feels like a warm, enveloping blanket, making it essential for travelers to stay hydrated and seek shade to enjoy their adventures comfortably.

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 83%, 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 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, 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 11, 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	3°C (38°F)	97 mm (3.8 inches)	86%	moderate
February Weather	5°C (42°F)	150 mm (5.9 inches)	84%	high
March Weather	10°C (51°F)	135 mm (5.3 inches)	84%	high
April Weather	14°C (58°F)	138 mm (5.4 inches)	80%	very high
May Weather	21°C (69°F)	118 mm (4.7 inches)	82%	extreme
June Weather	25°C (77°F)	118 mm (4.6 inches)	83%	extreme
July Weather	27°C (81°F)	106 mm (4.2 inches)	79%	very high
August Weather	26°C (78°F)	104 mm (4.1 inches)	76%	very high
September Weather	23°C (74°F)	93 mm (3.7 inches)	75%	very high
October Weather	17°C (63°F)	108 mm (4.3 inches)	74%	high
November Weather	9°C (48°F)	96 mm (3.8 inches)	85%	moderate
December Weather	6°C (44°F)	119 mm (4.7 inches)	88%	moderate