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 »
  In Wilmington during June, the rain falls for 17.5 days and regularly aggregates up to 3.07" (78mm) of precipitation. In June, the average ocean temperature in Wilmington is 60.8°F (16°C).
• Dover - June »
  In Dover in June, during 15.7 rainfall days, 2.64" (67mm) of precipitation is typically accumulated. The month with the longest days in Dover is June, with an average of 14h and 54min of daylight.
• Newark - June »
  June has the longest days of the year in Newark, Delaware, with an average of 14h and 54min of daylight. On the first day of June in Newark, Delaware, sunrise is at 5:36 am and sunset at 8:25 pm.
• Middletown - June »
  In Middletown, Delaware, during June, the rain falls for 13.8 days and regularly aggregates up to 1.89" (48mm) of precipitation. On the first day of June in Middletown sunrise is at 5:37 am and sunset at 8:24 pm.
• Smyrna - June »
  The month with the longest days in Smyrna is June, with an average of 14h and 54min of daylight. June marks the official onset of summer in Smyrna with even longer daylight hours and more sunshine.
• Milford - June »
  In Milford, during June, the rain falls for 14.8 days and regularly aggregates up to 2.48" (63mm) of precipitation. The month with the longest days in Milford is June, with an average of 14h and 54min of daylight.
• Seaford - June »
  The arrival of June marks the onset of the definitive summer season in Seaford, offering heat, humidity, and lengthy days. In Seaford, in June, during 8.6 rainfall days, 0.87" (22mm) of precipitation is typically accumulated.
• Georgetown - June »
  In Georgetown in June, it is raining for 14.4 days, with typically 2.32" (59mm) of accumulated precipitation. With an average of 14h and 48min of daylight, June has the longest days of the year in Georgetown.
• Elsmere - June »
  June has the longest days of the year in Elsmere with an average of 14h and 54min of daylight. In June, in Elsmere, Delaware, the rain falls for 15.2 days.
• New Castle - June »
  In New Castle, Delaware, during June, the rain falls for 14.3 days and regularly aggregates up to 2.01" (51mm) of precipitation. June has the longest days of the year in New Castle with an average of 14h and 54min of daylight.
• Lewes - June »
  The month with the longest days in Lewes is June, with an average of 14h and 48min of daylight. With an average of 14h and 48min of daylight, June has the longest days of the year in Lewes, Delaware.
• Rehoboth Beach - June »
  With an average of 14h and 48min of daylight, June has the longest days of the year in Rehoboth Beach, Delaware. In Rehoboth Beach, during June, the rain falls for 8.8 days and regularly aggregates up to 0.63" (16mm) of precipitation.