June weather forecast and climate
Lewes, DE

Weather in June

June, the first month of the summer, in Lewes, is a moderately hot month, with temperature in the range of an average low of 67.6°F (19.8°C) and an average high of 75.4°F (24.1°C).

Temperature

In June, the average high-temperature increases, from a comfortable 66.4°F (19.1°C) in May, to a warm 75.4°F (24.1°C). In June, the average low-temperature is 67.6°F (19.8°C).

Humidity

The average relative humidity in Lewes is 80%.

Rainfall

In Lewes, it is raining for 17 days, with typically 3.43" (87mm) of accumulated precipitation. In Lewes, during the entire year, the rain falls for 173.6 days and collects up to 36.97" (939mm) of precipitation.

Snowfall

In Lewes snow does not fall in April through October.

Ocean temperature

In Lewes, Delaware, the average seawater temperature is 68.4°F (20.2°C).
Note: For most, swimming in 68.4°F (20.2°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

The month with the longest days in Lewes is June, with an average of 14.9h of daylight.

Sunshine

In June, the average sunshine in Lewes, Delaware, is 10.5h.

UV index

May through August, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in June interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the average humidity in June in Lewes?

The average relative humidity in June in Lewes, Delaware, is 80%.

How much does it rain in Lewes in June?

In Lewes, Delaware, in June, during 17 rainfall days, 3.43" (87mm) of precipitation is typically accumulated.

When it does not snow in Lewes?

In Lewes snow does not fall in April through October.

What is the ocean temperature in June in Lewes?

In Lewes, the average seawater temperature in June is 68.4°F (20.2°C). Swimming in 68.4°F (20.2°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

When are the longest days in Lewes?

With an average of 14.9h of daylight, June has the longest days of the year.

How many hours of daylight does Lewes have in June?

The average length of the day in June is 14.9h.

How many hours of sunshine does Lewes have in June?

In Lewes, Delaware, the average sunshine in June is 10.5h.

What are the months with the highest UV index in Lewes?

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

How high is the UV index in June in Lewes?

In Lewes, Delaware, the average daily maximum UV index in June is 6. A UV Index estimate of 6 to 7 represents a high health risk from the exposure to the Sun's UV rays.

Average temperature in June
Lewes, DE

Average temperature in June - Lewes, DE
  • Average high temperature in June: 75.4°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in June: 67.6°F

The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (32°F).

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Average pressure in June
Lewes, DE

Average pressure in June - Lewes, DE
  • Average pressure in June: 29.94"

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

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Average wind speed in June
Lewes, DE

Average wind speed in June - Lewes, DE
  • Average wind speed in June: 9.3mph

The windiest month (with the highest average wind speed) is January (12.5mph).
The calmest month (with the lowest average wind speed) is August (8.3mph).

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Average humidity in June
Lewes, DE

Average humidity in June - Lewes, DE
  • Average humidity in June: 80%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (73%).

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Average rainfall in June
Lewes, DE

Average rainfall in June - Lewes, DE
  • Average rainfall in June: 3.43"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.2").

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Average rainfall days in June
Lewes, DE

Average rainfall days in June - Lewes, DE
  • Average rainfall days in June: 17 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (9.6 days).

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Average snowfall in June
Lewes, DE

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

The month with the highest snowfall is January (0.98").
Months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in June
Lewes, DE

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

The month with the highest number of snowfall days is January (3.7 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average sea temperature in June
Lewes, DE

Average sea temperature in June - Lewes, DE
  • Average sea temperature in June: 68.2°F

The best month for swimming (with the highest average sea temperature) is August (76.9°F).
The coldest month (with the lowest average sea temperature) is February (40.7°F).

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

Average daylight in June / Average sunshine in June - Lewes, DE
  • Average daylight in June: 14.9h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in June: 10.5h

The month with the most sunshine is July (Average sunshine: 11h).
The month with the least sunshine is February (Average sunshine: 5h).

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Average sunshine days in June
Lewes, DE

Average sunshine days in June - Lewes, DE
  • Average sunshine days in June: 10.8 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is May (9.8 days).

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Average UV index in June
Lewes, DE

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

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

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Average cloud cover in June
Lewes, DE

Average cloud cover in June - Lewes, DE
  • Average cloud cover in June: 29

Months with the most cloud cover are February and March (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 26).

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Average visibility in June
Lewes, DE

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

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

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