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June Weather in Stonington, United States

Last updated: June 24, 2025

In June, the average temperature in Stonington, United States is a pleasant 18°C (64°F). Expect a comfortable range, with minimums dipping to 10°C (50°F) and maximums rising to 25°C (78°F). However, do prepare for some rain, as precipitation totals around 84 mm (3.3 in) over approximately 10 days. With an average humidity of 78%, it's the perfect time to enjoy the warm, inviting atmosphere!

June Temperature in Stonington

In June in Stonington, the average temperature is 18°C (64°F). Maximums can reach 25°C (78°F) and minimums can be as low as 10°C (50°F). This pleasant climate makes it a great time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates June temperature patterns in Stonington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Stonington, June typically has an average temperature of 18°C (64°F), with highs reaching up to 25°C (78°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec353639465564727268604840
Data source: Temperature data for Stonington 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 Stonington

In Stonington in June, the precipitation amount is 84 mm (3.3 in) over a span of 10 days.

June Precipitation Trends in Stonington

The chart displays monthly precipitation patterns in Stonington, 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 Stonington, June typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec8310910813611984115101101157113141
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Stonington

In Stonington in June, humidity is 78%. With an average temperature of 18°C (64°F), this humidity feels like a warm, thick blanket wrapping around you, making traveling feel a bit sticky and sluggish, yet the coolness of the air tempers the intensity, inviting you to explore at a leisurely pace.

June Average Humidity in Stonington

This chart illustrates the average monthly humidity levels in Stonington, 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 Stonington is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%82%79%75%78%76%76%76%75%80%80%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Stonington

In Stonington 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 Stonington.

Maximum UV Index Levels in Stonington for June

The chart shows the monthly maximum UV Index (UVI) for Stonington 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 Stonington typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689101098642
Data source: Stonington 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 Stonington Compares to Other Months

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

This table compares monthly weather conditions in Stonington, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)83 mm (3.3 inches)84%moderate
February Weather2°C (36°F)109 mm (4.3 inches)84%moderate
March Weather4°C (39°F)108 mm (4.3 inches)82%high
April Weather8°C (47°F)136 mm (5.3 inches)79%very high
May Weather13°C (55°F)119 mm (4.7 inches)75%very high
June Weather18°C (64°F)84 mm (3.3 inches)78%very high
July Weather22°C (72°F)115 mm (4.5 inches)76%very high
August Weather22°C (73°F)101 mm (4.0 inches)76%very high
September Weather20°C (68°F)101 mm (4.0 inches)75%very high
October Weather16°C (60°F)157 mm (6.2 inches)75%high
November Weather9°C (49°F)113 mm (4.4 inches)80%moderate
December Weather4°C (40°F)141 mm (5.6 inches)80%low

Compare Stonington's Climate with Cities Worldwide