October weather forecast and climate
Lewes, DE

Weather in October

October, the same as September, is another comfortable autumn month in Lewes, Delaware, with average temperature fluctuating between 57.9°F (14.4°C) and 65.3°F (18.5°C).

Temperature

In October, the average high-temperature slightly decreases, from a warm 74.1°F (23.4°C) in September, to an enjoyable 65.3°F (18.5°C). The average low-temperature, in Lewes, is 57.9°F (14.4°C).

Humidity

In Lewes, the average relative humidity is 76%.

Rainfall

In Lewes, during October, the rain falls for 13.4 days and regularly aggregates up to 3.5" (89mm) of precipitation. Throughout the year, there are 173.6 rainfall days, and 36.97" (939mm) of precipitation is accumulated.

Snowfall

April through October are months without snowfall in Lewes, Delaware.

Ocean temperature

In Lewes, the average seawater temperature is 65.8°F (18.8°C).
Note: Swimming in 65.8°F (18.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in Lewes is 11.2h.

Sunshine

In October, the average sunshine in Lewes, Delaware, is 5.9h.

UV index

In October, the average daily maximum UV index in Lewes is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in October interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the average humidity in October in Lewes?

In October, the average relative humidity in Lewes is 76%.

How many days does it rain in October in Lewes?

In Lewes, Delaware, during October, the rain falls for 13.4 days and regularly aggregates up to 3.5" (89mm) of precipitation.

When it does not snow in Lewes?

April through October are months without snowfall in Lewes, Delaware.

Does it snow in Lewes in October?

In Lewes, in October, it doesn't snow. In November, it regularly snows.

What is the ocean temperature in October in Lewes?

In October, the average ocean temperature is 65.8°F (18.8°C). Swimming in 65.8°F (18.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in October in Lewes?

The average length of the day in October in Lewes is 11.2h.

How long on average sun shines in October in Lewes?

In October, the average sunshine in Lewes is 5.9h.

What is the UV index reading in October in Lewes?

In October, the average daily maximum UV index in Lewes is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in October
Lewes, DE

Average temperature in October - Lewes, DE
  • Average high temperature in October: 65.3°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 October: 57.9°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 October
Lewes, DE

Average pressure in October - Lewes, DE
  • Average pressure in October: 30.02"

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 October
Lewes, DE

Average wind speed in October - Lewes, DE
  • Average wind speed in October: 11.7mph

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 October
Lewes, DE

Average humidity in October - Lewes, DE
  • Average humidity in October: 76%

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 October
Lewes, DE

Average rainfall in October - Lewes, DE
  • Average rainfall in October: 3.5"

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 October
Lewes, DE

Average rainfall days in October - Lewes, DE
  • Average rainfall days in October: 13.4 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 October
Lewes, DE

Average snowfall in October - Lewes, DE
  • Average snowfall in October: 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 October
Lewes, DE

Average snowfall days in October - Lewes, DE
  • Average snowfall days in October: 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 October
Lewes, DE

Average sea temperature in October - Lewes, DE
  • Average sea temperature in October: 65.8°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 October /
Average sunshine in October
Lewes, DE

Average daylight in October / Average sunshine in October - Lewes, DE
  • Average daylight in October: 11.2h

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 October: 5.9h

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 October
Lewes, DE

Average sunshine days in October - Lewes, DE
  • Average sunshine days in October: 15.1 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 October
Lewes, DE

Average UV index in October - Lewes, DE
  • Average UV index in October: 4

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 October
Lewes, DE

Average cloud cover in October - Lewes, DE
  • Average cloud cover in October: 36

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 October
Lewes, DE

Average visibility in October - Lewes, DE
  • Average visibility in October: 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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