June weather forecast
Delaware, USA

June in Delaware brings the onset of summer, characterized by warm to hot temperatures that signal a significant shift from the mild climate of May. This month is part of the warm season where the coastal regions might experience oppressive heat due to a higher degree of humidity compared to the interior parts of the state.

In June, temperatures can rise to 90°F (32.2°C), particularly during hot and humid periods. Nights remain relatively comfortable, providing a respite from the daytime heat. The growing season is in full swing, with a range from 175 to 195 days in the year, facilitated by the increasing warmth.

Rainfall during June contributes to the state's uniform annual precipitation of 44" (1118mm) to 47" (1194mm). The rain is typically well-distributed, without extreme variations. However, the summer months, including June, may see sporadic storms, adding to the rainfall totals.

Geographical features such as the Atlantic Ocean and the Appalachian Mountains continue to influence Delaware's climate, moderating temperatures to some extent. Southern Delaware may witness slightly milder temperatures, extending the growing season even further.

June is an inviting month in Delaware, offering warm weather and abundant sunshine. It marks the transition from the refreshing spring to the more intense heat of summer, setting the stage for the hottest months of the year to come.

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• Wilmington - June »
  The month with the longest days in Wilmington is June, with an average of 14h and 54min of daylight. In Wilmington, Delaware, during June, the rain falls for 17.5 days and regularly aggregates up to 3.07" (78mm) of precipitation.
• Dover - June »
  In Dover, Delaware, in June, during 15.7 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. June is often revered as the gateway to the hottest part of the year in Dover, with temperature highs spiking to 78.8°F (26°C).
• Newark - June »
  The month with the longest days in Newark is June, with an average of 14h and 54min of daylight. In Newark in June, during 17.3 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.
• Middletown - June »
  In Middletown in June, during 13.8 rainfall days, 1.89" (48mm) of precipitation is typically accumulated. On the first day of June in Middletown sunrise is at 5:37 am and sunset at 8:23 pm.
• Smyrna - June »
  In Smyrna in June, during 17.4 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. With an average of 14h and 54min of daylight, June has the longest days of the year in Smyrna.
• Milford - June »
  In Milford in June, during 14.8 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Milford snow does not fall in April, June through October.
• Seaford - June »
  The month with the longest days in Seaford is June, with an average of 14h and 48min of daylight. The arrival of June marks the onset of the definitive summer season in Seaford, offering heat, humidity, and lengthy days.
• Georgetown - June »
  June has the longest days of the year in Georgetown with an average of 14h and 48min of daylight. In Georgetown, during June, the rain falls for 14.4 days and regularly aggregates up to 2.32" (59mm) of precipitation.
• Elsmere - June »
  June has the longest days of the year in Elsmere with an average of 14h and 54min of daylight. In Elsmere, in June, during 15.2 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.
• New Castle - June »
  In New Castle, during June, the rain falls for 14.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. In June, in New Castle the rain falls for 14.3 days.
• Lewes - June »
  Recording a slight drop from the daily maximum, Lewes notes an average low temperature of 67.6°F (19.8°C) in the month of June. In Lewes during June, the rain falls for 17 days and regularly aggregates up to 3.43" (87mm) of precipitation.
• Rehoboth Beach - June »
  In Rehoboth Beach in June, during 8.8 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Rehoboth Beach, in June, during 8.8 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.