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June Weather in Sullivan, United States

Last updated: June 24, 2025

In June, the average temperature in Sullivan, United States is a pleasant 24°C (76°F), with a minimum dipping to 11°C (53°F) and reaching a maximum of 36°C (98°F). Expect around 87 mm (3.4 in) of precipitation over 12 days, accompanied by an average humidity level of 83%. Perfect for those who enjoy a warm and slightly humid climate!

June Temperature in Sullivan

In June, in Sullivan, the average temperature is 24°C (76°F). The maximum can reach 36°C (98°F), and the minimum can be as low as 11°C (53°F). Be sure to pack both light clothing for the warm days and some layers for cooler evenings when traveling during this time.

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 36°C (98°F) and lows dropping to around 11°C (53°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556675797572594540
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 87 mm (3.4 in) over the course of 12 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 87 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec768412813216587100127531076856
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.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109753
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 Weather1°C (33°F)76 mm (3.0 inches)82%moderate
February Weather2°C (36°F)84 mm (3.3 inches)80%moderate
March Weather8°C (48°F)128 mm (5.1 inches)80%high
April Weather13°C (55°F)132 mm (5.2 inches)80%very high
May Weather19°C (66°F)165 mm (6.5 inches)82%very high
June Weather24°C (76°F)87 mm (3.4 inches)83%extreme
July Weather26°C (79°F)100 mm (3.9 inches)81%extreme
August Weather24°C (76°F)126 mm (5.0 inches)80%very high
September Weather22°C (72°F)53 mm (2.1 inches)76%very high
October Weather15°C (59°F)107 mm (4.2 inches)76%high
November Weather7°C (45°F)68 mm (2.7 inches)85%moderate
December Weather4°C (40°F)56 mm (2.2 inches)86%moderate

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