June weather forecast
Clayton, DE

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Weather in June

The advent of summer in June ushers in a marked increase in temperatures, promising balmy days in Clayton, Delaware. June compares favorably to May, with more daylight hours and dominant sunshine, signaling longer, sun-drenched days. A trend towards dryer weather is noteworthy, given the lowered cumulative rainfall of 3.19" (81mm). The temperatures peak at a high of 79.3°F (26.3°C), resulting in increased outdoor activity. Despite the heat, wind speeds see a moderate drop, adding to the stillness of summer nights.

Temperature

June's arrival signals a modest temperature shift, moving from a pleasant 71.2°F (21.8°C) in May to a moderately hot 79.3°F (26.3°C). Clayton usually reports an average low-temperature of 64°F (17.8°C) during the month of June.

Humidity

In June, the average relative humidity is 78%.

Rainfall

In Clayton, in June, during 17.4 rainfall days, 3.19" (81mm) of precipitation is typically accumulated. Throughout the year, there are 169.2 rainfall days, and 34.96" (888mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Clayton.

Daylight

June has the longest days of the year, with an average of 14h and 54min of daylight.
On the first day of the month, sunrise is at 5:37 am and sunset at 8:23 pm. On the last day of June, sunrise is at 5:39 am and sunset at 8:33 pm EDT.

Sunshine

The average sunshine in June is 10.3h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 6 during June translates into the following directions:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Updated: Aug 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average June temperature?

In June, the average high-temperature and low-temperature in Clayton are 79.3°F (26.3°C) and 64°F (17.8°C) respectively.

What is the average humidity in June?

In Clayton, the average relative humidity in June is 78%.

How many days does it rain in June?

In Clayton, Delaware, in June, it is raining for 17.4 days, with typically 3.19" (81mm) of accumulated precipitation.

When it does not snow?

In Clayton, snow does not fall in May through October.

When are the longest days?

The month with the longest days is June, with an average of 14h and 54min of daylight.

How many hours of daylight does Clayton have in June?

In Clayton, the average day length in June is 14h and 53min.

What time are sunrise and sunset in June?

In June, on the first day of the month, sunrise is at 5:37 am and sunset at 8:23 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 8:33 pm EDT.

How many hours of sunshine does Clayton have in June?

In June, the average sunshine duration is 10.3h.

What is the month with the highest UV index?

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

What is the UV index reading in June?

The average daily maximum UV index in June is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from 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
Clayton, DE

Average temperature in June - Clayton, 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 (39.2°F).

  • Average low temperature in June: 64°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in June
Clayton, DE

Average pressure in June - Clayton, 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
Clayton, DE

Average wind speed in June - Clayton, DE
  • Average wind speed in June: 7.1mph

The windiest months (with the highest average wind speed) are February and March (9.5mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in June
Clayton, DE

Average humidity in June - Clayton, DE
  • Average humidity in June: 78%

The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in June
Clayton, DE

Average rainfall in June - Clayton, DE
  • Average rainfall in June: 3.19"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (2.13").

Average rainfall days in June
Clayton, DE

Average rainfall days in June - Clayton, DE
  • Average rainfall days in June: 17.4 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.3 days).

Average snowfall in June
Clayton, DE

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

The month with the highest snowfall is March (2.6").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in June
Clayton, DE

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

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 54min).
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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in June
Clayton, DE

Average sunshine days in June - Clayton, DE
  • Average sunshine days in June: 10.6 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (9.5 days).

Average UV index in June
Clayton, DE

Average UV index in June - Clayton, 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
Clayton, DE

Average cloud cover in June - Clayton, DE
  • Average cloud cover in June: 32

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in June
Clayton, DE

Average visibility in June - Clayton, 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).

Clayton, Delaware, USA

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