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June Weather in Sullivan, United States

Last updated: June 24, 2025

In Sullivan, United States during June, the average temperature hovers around 19°C (67°F). Expect a chill as low as 1°C (35°F) and heat soaring up to 36°C (96°F). 🌦️ Rainfall averages 78 mm (3.1 in) over 11 days, while the air carries a humidity level of 72%. Be prepared for a mix of both sunny and rainy days!

June Temperature in Sullivan

In June in Sullivan, the average temperature is 19°C (67°F). Maximums can reach 36°C (96°F) and minimums can be as low as 1°C (35°F). Be prepared for a wide range of temperatures to ensure a comfortable travel experience.

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 19°C (67°F), with highs reaching up to 36°C (96°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec252733455767727063523728
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 78 mm (3.1 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 78 mm (3.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec72857512381781198980135100113
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 72%. With an average temperature of 19°C (67°F), this humidity feels like a warm, damp blanket enveloping you, making outdoor activities a bit more challenging but also giving the air a refreshing quality that's invigorating for short excursions.

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 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%82%80%72%72%67%66%71%79%84%81%
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 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 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 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3468910997632
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 Weather-4°C (25°F)72 mm (2.8 inches)86%moderate
February Weather-3°C (27°F)85 mm (3.4 inches)84%moderate
March Weather1°C (33°F)75 mm (3.0 inches)82%high
April Weather7°C (45°F)123 mm (4.8 inches)80%very high
May Weather14°C (57°F)81 mm (3.2 inches)72%very high
June Weather19°C (67°F)78 mm (3.1 inches)72%very high
July Weather22°C (72°F)119 mm (4.7 inches)67%very high
August Weather21°C (71°F)89 mm (3.5 inches)66%very high
September Weather17°C (63°F)80 mm (3.1 inches)71%high
October Weather11°C (52°F)135 mm (5.3 inches)78%high
November Weather3°C (38°F)100 mm (3.9 inches)84%moderate
December Weather-2°C (29°F)112 mm (4.4 inches)81%low

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