June Weather in Millsboro, United States

Last updated: June 24, 2025

In June, the average temperature in Millsboro, United States is a comfortable 21°C (70°F). However, temperatures can range from a chilly 7°C (45°F) to a hot 32°C (90°F). Expect about 172 mm (6.8 in) of precipitation over 17 days, contributing to an average humidity of 84%.

June Temperature in Millsboro

In June, in Millsboro, the average temperature is 21°C (70°F). Maximum temperatures can reach up to 32°C (90°F), while lows can drop to around 7°C (45°F). This variation makes it an ideal time for travelers who enjoy a mix of warm days and cooler evenings.

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

The chart illustrates June temperature patterns in Millsboro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Millsboro, June typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec323643536370757368584337
Data source: Temperature data for Millsboro 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 Millsboro

In Millsboro, in June, the precipitation amount is 172 mm (6.8 in) spread over 17 days.

June Precipitation Trends in Millsboro

The chart displays monthly precipitation patterns in Millsboro, 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 Millsboro, June typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec8712411712914917215311012512186116
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Millsboro

In Millsboro in June, humidity is 84%. With an average temperature of 21°C (70°F), this humidity feels like thick, warm air wrapping around you, making outdoor activities quite uncomfortable and necessitating frequent hydration breaks for a more enjoyable travel experience.

June Average Humidity in Millsboro

This chart illustrates the average monthly humidity levels in Millsboro, 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 Millsboro is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Millsboro

In Millsboro 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 Millsboro.

Maximum UV Index Levels in Millsboro for June

The chart shows the monthly maximum UV Index (UVI) for Millsboro 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 Millsboro typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098643
Data source: Millsboro 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 Millsboro Compares to Other Months

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

This table compares monthly weather conditions in Millsboro, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)87 mm (3.4 inches)88%moderate
February Weather2°C (37°F)124 mm (4.9 inches)88%moderate
March Weather6°C (43°F)117 mm (4.6 inches)88%high
April Weather11°C (53°F)129 mm (5.1 inches)86%very high
May Weather17°C (63°F)149 mm (5.9 inches)82%very high
June Weather21°C (70°F)172 mm (6.8 inches)84%very high
July Weather24°C (75°F)153 mm (6.0 inches)82%very high
August Weather23°C (73°F)110 mm (4.3 inches)73%very high
September Weather20°C (68°F)125 mm (4.9 inches)73%very high
October Weather14°C (58°F)121 mm (4.8 inches)81%high
November Weather6°C (43°F)86 mm (3.4 inches)89%moderate
December Weather3°C (38°F)116 mm (4.6 inches)86%moderate

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