October weather forecast
Dover, DE

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The public Archives building in Dover, Delaware, between two large trees
The public Archives building in Dover, Delaware, between two large trees

Weather in October

October brings forth a substantial drop in temperature, with average highs dipping to 65.3°F (18.5°C). Although still relatively humid at 77%, the city experiences increased wind speed at 8.8mph (14.2km/h), offering a pleasant, crisp fall climate. Daily sunshine hours fall further to 5.7, the first instance of a notable decrease since July. A stark decrease in daylight hours, as well as consistent cloud coverage, create a quintessential autumnal ambiance throughout Dover. Despite cooler conditions, outdoor enthusiasts still take to the city's parks and riverfront, enjoying the colorful fall foliage.

Temperature

With the onset of October, Dover experiences a modest temperature adjustment, with the average high-temperature receding from a moderately hot 76.3°F (24.6°C) in September to a refreshing 65.3°F (18.5°C). In Dover, the average low-temperature during the month of October is a fresh 53.2°F (11.8°C).

Humidity

In Dover, the average relative humidity in October is 77%.

Rainfall

In Dover, Delaware, during October, the rain falls for 11.6 days and regularly aggregates up to 2.2" (56mm) of precipitation. In Dover, Delaware, during the entire year, the rain falls for 152.3 days and collects up to 26.3" (668mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

The average length of the day in October is 11h and 10min.
On the first day of October, sunrise is at 6:58 am and sunset at 6:44 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 6:01 pm EDT.

Sunshine

The average sunshine in October is 5.7h.

UV index

In October, the average daily maximum UV index in Dover is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: In October, the average maximum UV index of 4 translates into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
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Frequently asked questions

What are October temperatures in Dover?

In Dover, in October, the average high-temperature is 65.3°F (18.5°C), and the average low-temperature is 53.2°F (11.8°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 87.8°F (31°C).

What is the average humidity in October in Dover?

The average relative humidity in October in Dover, Delaware, is 77%.

How many days does it rain in October in Dover?

In Dover, in October, it is raining for 11.6 days, with typically 2.2" (56mm) of accumulated precipitation.

When it does not snow in Dover?

In Dover, snow does not fall in April through November.

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

In October, the average day length in Dover is 11h and 10min.

What time are sunrise and sunset in October in Dover?

In October, on the first day of the month, sunrise is at 6:58 am and sunset at 6:44 pm. On the last day of the month, in Dover, Delaware, sunrise is at 7:29 am and sunset at 6:01 pm EDT.

How long on average sun shines in October in Dover?

The average sunshine duration in October in Dover, Delaware, is 5.7h.

How high is the UV index in October in Dover?

In Dover, Delaware, the average daily maximum UV index in October is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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 October
Dover, DE

Average temperature in October - Dover, DE
  • Average high temperature in October: 65.3°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in October: 53.2°F

The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in October
Dover, DE

Average pressure in October - Dover, DE
  • Average pressure in October: 30.03"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).

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Average wind speed in October
Dover, DE

Average wind speed in October - Dover, DE
  • Average wind speed in October: 8.8mph

The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

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Average humidity in October
Dover, DE

Average humidity in October - Dover, DE
  • Average humidity in October: 77%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are January, March, April and November (74%).

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Average rainfall in October
Dover, DE

Average rainfall in October - Dover, DE
  • Average rainfall in October: 2.2"

The wettest month (with the highest rainfall) is August (3.15").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in October
Dover, DE

Average rainfall days in October - Dover, DE
  • Average rainfall days in October: 11.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in October
Dover, DE

Average snowfall in October - Dover, DE
  • Average snowfall in October: 0"

The month with the highest snowfall is January (1.65").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in October
Dover, DE

Average snowfall days in October - Dover, DE
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average daylight in October /
Average sunshine in October
Dover, DE

Average daylight in October / Average sunshine in October - Dover, DE
  • Average daylight in October: 11h and 1min

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 October: 5h and 4min

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 0min).

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Average sunshine days in October
Dover, DE

Average sunshine days in October - Dover, DE
  • Average sunshine days in October: 17.6 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (10.8 days).

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Average UV index in October
Dover, DE

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

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).

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Average cloud cover in October
Dover, DE

Average cloud cover in October - Dover, DE
  • Average cloud cover in October: 38

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in October
Dover, DE

Average visibility in October - Dover, DE
  • Average visibility in October: 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).

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Dover, Delaware, USA

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