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June Weather in Sullivan, United States

Last updated: June 24, 2025

In June, the average temperature in Sullivan, United States hovers around 24°C (76°F), with daily fluctuations ranging from a cool 10°C (49°F) to a sweltering 35°C (95°F). Expect about 113 mm (4.4 in) of precipitation over 11 days, contributing to an average humidity of 83%. Prepare for a month that blends warmth and moisture, perfectly showcasing the charm of Sullivan!

June Temperature in Sullivan

In June in Sullivan, the average temperature is 24°C (76°F). Maximums can reach 35°C (95°F) and minimums can be as low as 10°C (49°F). This pleasant climate makes Sullivan an ideal destination for travelers seeking both warmth and moderate conditions.

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

The chart illustrates June temperature patterns in Sullivan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sullivan, June typically has an average temperature of 24°C (76°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec323646556776797672604338
Data source: Temperature data for Sullivan 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 Sullivan

In Sullivan in June, the precipitation amount is 113 mm (4.4 in) over the course of 11 days.

June Precipitation Trends in Sullivan

The chart displays monthly precipitation patterns in Sullivan, 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 Sullivan, June typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9010312712213011311195689510495
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Sullivan

In Sullivan in June, humidity is 83%. With an average temperature of 24°C (76°F), this humidity feels like a thick blanket enveloping you, making every step feel heavier and possibly causing travelers to sweat more quickly, prompting frequent breaks in shaded areas or the search for refreshing beverages.

June Average Humidity in Sullivan

This chart illustrates the average monthly humidity levels in Sullivan, 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 Sullivan is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Sullivan

In Sullivan 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 Sullivan.

Maximum UV Index Levels in Sullivan for June

The chart shows the monthly maximum UV Index (UVI) for Sullivan 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 Sullivan typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
Data source: Sullivan 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 Sullivan Compares to Other Months

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

This table compares monthly weather conditions in Sullivan, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)90 mm (3.6 inches)84%moderate
February Weather2°C (36°F)103 mm (4.1 inches)82%moderate
March Weather8°C (46°F)127 mm (5.0 inches)84%high
April Weather13°C (55°F)122 mm (4.8 inches)83%very high
May Weather19°C (67°F)130 mm (5.1 inches)80%very high
June Weather24°C (76°F)113 mm (4.4 inches)83%extreme
July Weather26°C (79°F)111 mm (4.4 inches)82%very high
August Weather24°C (76°F)95 mm (3.8 inches)82%very high
September Weather22°C (72°F)68 mm (2.7 inches)79%very high
October Weather15°C (60°F)95 mm (3.7 inches)79%high
November Weather6°C (44°F)104 mm (4.1 inches)88%moderate
December Weather3°C (39°F)94 mm (3.7 inches)87%moderate

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