June Weather in Iselin, United States

Last updated: June 24, 2025

In June, the average temperature in Iselin, United States hovers around 22°C (73°F), making it a comfortable destination. However, don't forget to prepare for temperature fluctuations, as it can drop to a minimum of 10°C (50°F) and peak at a sizzling 35°C (96°F). Rain is a possibility, with an average precipitation of 94 mm (3.7 in) spread over 13 days. With an average humidity of 69%, the air can feel a bit sticky, adding to the overall atmospheric charm of the region.

June Temperature in Iselin

In June in Iselin, the average temperature is 22°C (73°F). The maximum can reach 35°C (96°F), while the minimum can drop to as low as 10°C (50°F). This makes Iselin an ideal destination for travelers seeking pleasant weather and a range of activities to enjoy.

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

The chart illustrates June temperature patterns in Iselin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Iselin, June typically has an average temperature of 22°C (73°F), with highs reaching up to 35°C (96°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec343743536372787670614639
Data source: Temperature data for Iselin generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Iselin

In Iselin in June, the precipitation amount is 94 mm (3.7 in) spread over 13 days.

June Precipitation Trends in Iselin

The chart displays monthly precipitation patterns in Iselin, 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 Iselin, June typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec66107103111118941441269113082102
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Iselin

In Iselin in June, humidity is 69%. With an average temperature of 22°C (73°F), this humidity feels like a warm embrace, making travel comfortable yet a bit sticky, prompting frequent breaks in the shade and a refreshing drink at hand.

June Average Humidity in Iselin

This chart illustrates the average monthly humidity levels in Iselin, 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 Iselin is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%81%78%70%69%62%65%68%74%82%80%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Iselin

In Iselin 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 Iselin.

Maximum UV Index Levels in Iselin for June

The chart shows the monthly maximum UV Index (UVI) for Iselin 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 Iselin typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: Iselin 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 Iselin Compares to Other Months

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

This table compares monthly weather conditions in Iselin, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)66 mm (2.6 inches)84%moderate
February Weather3°C (37°F)107 mm (4.2 inches)82%moderate
March Weather6°C (43°F)103 mm (4.0 inches)81%high
April Weather12°C (53°F)111 mm (4.4 inches)78%very high
May Weather17°C (63°F)118 mm (4.6 inches)69%very high
June Weather22°C (73°F)94 mm (3.7 inches)69%very high
July Weather26°C (79°F)144 mm (5.6 inches)62%very high
August Weather25°C (77°F)126 mm (5.0 inches)65%very high
September Weather21°C (71°F)91 mm (3.6 inches)68%very high
October Weather16°C (61°F)130 mm (5.1 inches)74%high
November Weather8°C (47°F)82 mm (3.2 inches)82%moderate
December Weather4°C (39°F)102 mm (4.0 inches)80%low

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