June weather forecast
Seaford, DE

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Weather in June

The arrival of June marks the onset of the definitive summer season in Seaford, offering heat, humidity, and lengthy days. The weather exhibits a pattern of warm days and mild nights. A remarkable trait of this month's weather is the peak sunshine duration of 10.3 hours that Seaford enjoys. Gradual climatic changes make way for an even more heated weather forecast for the month of July. Maximum visibility during this month provides picture-perfect sceneries of Delaware.

Temperature

June witnesses a minor rise in the average high-temperature, transitioning from a pleasant 71.6°F (22°C) in May to a moderately hot 79.3°F (26.3°C). Seaford registers a consistent average low-temperature of 64.4°F (18°C) during June.

Humidity

In June, the average relative humidity in Seaford is 79%.

Rainfall

In Seaford, in June, during 8.6 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. Throughout the year, in Seaford, there are 95.8 rainfall days, and 8.03" (204mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Seaford.

Daylight

June has the longest days of the year, with an average of 14h and 48min of daylight.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:21 pm. On the last day of June, sunrise is at 5:41 am and sunset at 8:31 pm EDT.

Sunshine

In June, the average sunshine in Seaford is 10.3h.

UV index

The months with the highest UV index are May through August, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: In June, a daily maximum UV index of 6 leads to the following instructions:
Uphold preventive measures and conform to sun safety guidelines. Defending against skin and eye harm is crucial. To the best of your ability, limit your exposure to the sun between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature in Seaford?

The average high-temperature and low-temperature in Seaford during June are 79.3°F (26.3°C) and 64.4°F (18°C) respectively.

What is the average humidity in June in Seaford?

The average relative humidity in June in Seaford is 79%.

How many days does it rain in June in Seaford?

In Seaford, in June, it is raining for 8.6 days, with typically 0.87" (22mm) of accumulated precipitation.

When it does not snow in Seaford?

April through October are months without snowfall.

When are the longest days in Seaford?

The month with the longest days is June, with an average of 14h and 48min of daylight.

How many hours of daylight does Seaford have in June?

The average day length in June is 14h and 49min.

When are sunrise and sunset in June in Seaford?

On the first day of June in Seaford, Delaware, sunrise is at 5:39 am and sunset at 8:21 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:31 pm EDT.

How many hours of sunshine does Seaford have in June?

In June, the average sunshine duration in Seaford is 10.3h.

When is the highest UV index in Seaford?

The months with the highest UV index in Seaford are May through August, with an average maximum UV index of 6.

What is the UV index reading in June in Seaford?

In Seaford, Delaware, the average daily maximum UV index in June is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in June
Seaford, DE

Average temperature in June - Seaford, DE
  • Average high temperature in June: 79.3°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in June: 64.4°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

Average pressure in June
Seaford, DE

Average pressure in June - Seaford, DE
  • Average pressure in June: 29.94"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in June
Seaford, DE

Average wind speed in June - Seaford, DE
  • Average wind speed in June: 7.3mph

The windiest month (with the highest average wind speed) is February (9.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in June
Seaford, DE

Average humidity in June - Seaford, DE
  • Average humidity in June: 79%

The months with the highest relative humidity are May, August and September (80%).
The month with the lowest relative humidity is January (74%).

Average rainfall in June
Seaford, DE

Average rainfall in June - Seaford, DE
  • Average rainfall in June: 0.87"

The wettest months (with the highest rainfall) are July and August (1.06").
The driest month (with the least rainfall) is September (0.39").

Average rainfall days in June
Seaford, DE

Average rainfall days in June - Seaford, DE
  • Average rainfall days in June: 8.6 days

The month with the highest number of rainy days is July (12 days).
The month with the least rainy days is November (4.9 days).

Average snowfall in June
Seaford, DE

Average snowfall in June - Seaford, DE
  • Average snowfall in June: 0"

The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in June
Seaford, DE

Average snowfall days in June - Seaford, DE
  • Average snowfall days in June: 0 days

The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in June /
Average sunshine in June
Seaford, DE

Average daylight in June / Average sunshine in June - Seaford, DE
  • Average daylight in June: 14h and 5min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in June: 10h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in June
Seaford, DE

Average sunshine days in June - Seaford, DE
  • Average sunshine days in June: 18.9 days

The month with the most sunshine days is November (23.9 days).
The month with the least sunshine days is July (15.7 days).

Average UV index in June
Seaford, DE

Average UV index in June - Seaford, DE
  • Average UV index in June: 6

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in June
Seaford, DE

Average cloud cover in June - Seaford, DE
  • Average cloud cover in June: 31

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in June
Seaford, DE

Average visibility in June - Seaford, DE
  • Average visibility in June: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Seaford, Delaware, USA

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