nomadseason

June Weather in Princeton, United States

Last updated: June 24, 2025

In June, the average temperature in Princeton, United States hovers around 24°C (76°F). Daily fluctuations can be significant, with minimums dipping to 11°C (51°F) and maximums soaring up to 38°C (101°F). Visitors should also anticipate some rainfall, with 124 mm (4.9 in) expected over 11 days. Humidity levels are notably high, averaging 81%, contributing to a warm, tropical atmosphere.

June Temperature in Princeton

In June, in Princeton, the average temperature is 24°C (76°F). Maximums can reach 38°C (101°F), while minimums can drop as low as 11°C (51°F). This variability makes Princeton an ideal destination for travelers seeking diverse weather 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 24°C (76°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec252842516475787569544033
Data source: Temperature data for Princeton generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Princeton

In Princeton in June, the precipitation amount is 124 mm (4.9 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 124 mm (4.9 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec484410378158124106881191545534
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in Princeton

In Princeton in June, humidity is 81%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel exhausting, leaving travelers in need of frequent breaks and plenty of hydration.

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 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
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.
JanFebMarAprMayJunJulAugSepOctNovDec356910111198643
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.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (26°F)48 mm (1.9 inches)78%moderate
February Weather-2°C (28°F)44 mm (1.7 inches)80%moderate
March Weather6°C (42°F)103 mm (4.0 inches)77%high
April Weather10°C (51°F)78 mm (3.1 inches)77%very high
May Weather18°C (64°F)158 mm (6.2 inches)77%very high
June Weather24°C (76°F)124 mm (4.9 inches)81%extreme
July Weather26°C (78°F)106 mm (4.2 inches)81%extreme
August Weather24°C (75°F)88 mm (3.5 inches)77%very high
September Weather21°C (70°F)119 mm (4.7 inches)73%very high
October Weather12°C (54°F)154 mm (6.1 inches)75%high
November Weather5°C (40°F)55 mm (2.2 inches)85%moderate
December Weather1°C (34°F)34 mm (1.4 inches)83%moderate

Compare Princeton's Climate with Cities Worldwide