June Weather in Dover, United States

Last updated: June 24, 2025

In June, the average temperature in Dover, United States hovers around 21°C (71°F). You can expect temperatures to range from a brisk 7°C (45°F) to a sweltering 35°C (95°F). During this month, the region experiences approximately 139 mm (5.5 in) of precipitation over 12 days, contributing to an average humidity of 79%.

June Temperature in Dover

In June in Dover, the average temperature is 21°C (71°F). The maximum can reach 35°C (95°F), while the minimum can drop to as low as 7°C (45°F). This makes Dover an ideal destination for travelers looking to enjoy a warm climate with refreshing cooler evenings.

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

The chart illustrates June temperature patterns in Dover, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dover, June typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (45°F).

Data source: Temperature data for Dover generated using information from the Copernicus Climate Change Service.

June Precipitation in Dover

In Dover, in June, the precipitation amount is 139 mm (5.5 in) over a span of 12 days.

June Precipitation Trends in Dover

The chart displays monthly precipitation patterns in Dover, 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 Dover, June typically receives around 139 mm (5.5 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

June Humidity in Dover

In Dover in June humidity is 79%. With an average temperature of 21°C (71°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel laborious and exhausting. Travelers should be prepared to hydrate frequently and take breaks in shaded areas to fully enjoy their time exploring.

June Average Humidity in Dover

This chart illustrates the average monthly humidity levels in Dover, 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 Dover is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Dover

In Dover 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 Dover.

Maximum UV Index Levels in Dover for June

The chart shows the monthly maximum UV Index (UVI) for Dover 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 Dover typically reaches 10, which falls under the very high exposure category.

Data source: Dover 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 Dover Compares to Other Months

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

This table compares monthly weather conditions in Dover, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	36 mm (1.4 inches)	84%	moderate
February Weather	-8°C (19°F)	47 mm (1.9 inches)	85%	moderate
March Weather	1°C (34°F)	58 mm (2.3 inches)	84%	moderate
April Weather	6°C (44°F)	87 mm (3.4 inches)	83%	very high
May Weather	15°C (59°F)	145 mm (5.7 inches)	75%	very high
June Weather	21°C (71°F)	139 mm (5.5 inches)	79%	very high
July Weather	23°C (73°F)	99 mm (3.9 inches)	75%	very high
August Weather	21°C (70°F)	122 mm (4.8 inches)	69%	very high
September Weather	18°C (64°F)	121 mm (4.8 inches)	74%	very high
October Weather	9°C (48°F)	113 mm (4.5 inches)	79%	moderate
November Weather	1°C (34°F)	49 mm (1.9 inches)	88%	moderate
December Weather	-4°C (25°F)	42 mm (1.7 inches)	82%	low