Last updated: June 24, 2025
In June, the average temperature in Delaware, United States is a pleasant 22°C (72°F). However, temperatures can fluctuate between a cool 7°C (46°F) and a warm 34°C (93°F). Expect some rain, with a total precipitation of 144 mm (5.7 in) spread over 14 days. The average humidity during this time sits at a warm 82%, creating a wonderfully tropical atmosphere.
In June in Delaware, the average temperature is 22°C (72°F). Maximums can reach 34°C (93°F) and minimums can drop to as low as 7°C (46°F). Travelers should pack a variety of clothing to accommodate both warm days and cool evenings.
In Delaware in June, the precipitation amount is 144 mm (5.7 in) over the course of 14 days.
In Delaware in June humidity is 82%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, damp blanket, making travel feel more exhausting and sticky as sweat clings to your skin, and every step seems to draw you into a slow, sultry embrace.
In Delaware 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 Delaware.
UV Risk Categories
Weather in Delaware varies notably across the year, with each month offering distinct climate conditions. This page compares June’s weather to other months in Delaware, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | -1°C (30°F) | 78 mm (3.1 inches) | 88% | moderate |
February Weather | 1°C (34°F) | 104 mm (4.1 inches) | 87% | moderate |
March Weather | 5°C (42°F) | 105 mm (4.1 inches) | 87% | high |
April Weather | 11°C (52°F) | 116 mm (4.6 inches) | 87% | very high |
May Weather | 17°C (63°F) | 124 mm (4.9 inches) | 81% | very high |
June Weather | 22°C (72°F) | 144 mm (5.7 inches) | 82% | very high |
July Weather | 24°C (76°F) | 111 mm (4.4 inches) | 81% | very high |
August Weather | 23°C (73°F) | 74 mm (2.9 inches) | 78% | very high |
September Weather | 20°C (69°F) | 86 mm (3.4 inches) | 78% | very high |
October Weather | 14°C (58°F) | 99 mm (3.9 inches) | 82% | high |
November Weather | 5°C (42°F) | 96 mm (3.8 inches) | 89% | moderate |
December Weather | 2°C (36°F) | 97 mm (3.8 inches) | 86% | moderate |