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United States of America

Delaware weather in October 2025

United States of America

Delaware weather in October 2025

 

Day

20 °C

 

Night

9 °C

 

Sea

18 °C

 

Precipitation

89 mm

in month

 

Rainy days

8 days

in month

 

Daylight

11 hours

average

 

Sunshine

7 hours

average

 

Humidity

72 %

 

Day

20 °C

 

Night

9 °C

 

Sea

18 °C

 

Precipitation

89 mm

in month

 

Rainy days

8 days

in month

 

Daylight

11 hours

average

 

Sunshine

7 hours

average

 

Humidity

72 %

Overview: Delaware
In Delaware in October, the average air temperature ranges from 20 °C (67 °F) during the day to 9 °C (48 °F) at night. There are 8 days of rain on average, where the rainfall is 89 mm (3.52 in).

Weather charts for Delaware

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Aerial view of architecture in Philadelphia at sunset time
Aerial view of amazing beach in Virginia Beach on a sunny day with some clouds
Architecture in Washington, D.C. in sunny weather with few clouds

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Weather overview and FAQs

Weather overview

In Delaware in October, the average air temperature ranges from 20 °C (67 °F) during the day to 9 °C (48 °F) at night. There are 8 days of rain on average, where the rainfall is 89 mm (3.52 in).

Is October a good month to visit Delaware?

There are good conditions for visiting in Delaware in October. Especially for non-beach activities, such as hiking or sightseeing. You can expect just 8 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 20 °C (67 °F), but others will feel perfectly fine. The temperature of 9 °C (48 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What is the temperature in Delaware during the day in October?

In Delaware in October, the average daily temperatures will be 20 °C (67 °F). Nice temperature for walking around the city or on the beach, but you will probably get cold soon when wearing a swimsuit. When walking around all day, people used to cold conditions, pull out their shorts and get rid of their sweaters. On some days, when spending time in the direct sun, sunscreen can be useful, especially for people with more sensitive skin.

What is the sea temperature in Delaware in October?

The temperature of the sea in Delaware in October is 18 °C (64 °F). At this sea temperature, swimming probably won't be the best experience. You probably won't like to stay in water for a long time. On the other hand, there are a minority of people who seek these conditions.

How many rainy days can I expect in Delaware in October?

There are 8 days, which are rainy in October in Delaware, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 1.8 days of the week, or in general - 25 % days.

What is the air temperature in October in Delaware at night?

The average night temperature in Delaware in October is 9 °C (48 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.

How heavy is the precipitation in October in Delaware?

There is precipitation of 89 mm (3.52 in) in Delaware in October, which means 3 mm (0.12 in) rainfall per day on average.

Is October part of the dry season in Delaware?

No, October is not a dry month in Delaware, expect rain approximately 8 days in a month.

How long is the day (from dawn till dusk) in Delaware in October?

The length of daylight in Delaware in October is 11 hours.

How many hours of sun to expect in October in Delaware?

In Delaware in October, you can expect around 7 hours of sunshine.

What is the temperature trend in Delaware in October?

During October in Delaware, the day temperatures are decreasing - from 22 °C (72 °F) at the beginning of the month to 17 °C (62 °F) at the end of the month.

How does the sea temperature evolve during the month in Delaware in October?

Delaware has a decreasing trend of the sea temperature during October - from 20 °C (68 °F) in the first days of the month to 16 °C (60 °F) in the last days of the month.

Is the sea in Delaware warmer in October than in September?

No, the sea is not warmer in October in Delaware than in September.

How windy is it in October in Delaware?

In October in Delaware, there will be an average wind scale of 4.

Is Delaware rainier in October than in November?

No, in Delaware in October it does not rain more than in November.

What level of humidity is to expect in Delaware in October?

In October in Delaware, expect humidity around 72 %.

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