October weather forecast
Dover, NH

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Weather in October

With October, the full glory of fall graces Dover, ushering in cooler yet comfortable temperatures. The month also registers a marked increase in rainfall, witnessing 2.09" (53mm) of rain, a clear rise from September's minimal rainfall. November carries forward the trend of falling temperatures signifying the approaching winter. Despite the cooled environment, October is vibrant with the fall foliage at its peak, adding depth to its scenic beauty and outdoor activities.

Temperature

October in Dover involves a decrease in temperature, down from a pleasant 68.9°F (20.5°C) in September to a mild 58.1°F (14.5°C). Dover's temperature in October lowers to a consistent average of 46.8°F (8.2°C) during the nights.

Humidity

In Dover, the average relative humidity in October is 78%.

Rainfall

In Dover, during October, the rain falls for 11.9 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Dover, there are 130.8 rainfall days, and 22.24" (565mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows in Dover. Throughout October, in the average 0.2 snowfall days, it receives 0.2" (5mm) of snow. In Dover, New Hampshire, during the entire year, snow falls for 28.5 days and aggregates up to 14.25" (362mm) of snow.

Daylight

The average length of the day in October in Dover is 11h and 1min.
On the first day of October, sunrise is at 6:41 am and sunset at 6:24 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:36 pm EDT.

Sunshine

In October, the average sunshine is 6.1h.

UV index

In October, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 3 in October translates into this advice:
Act with care - Obligation to protect against skin and eye damage is highlighted. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures in Dover?

An average high-temperature, in October, in Dover, is 58.1°F (14.5°C) and the average low-temperature is 46.8°F (8.2°C).

What is the average humidity in October in Dover?

In October, the average relative humidity in Dover is 78%.

How many days does it rain in October in Dover?

In Dover, in October, during 11.9 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When does it start to snow in Dover?

October is the first month it typically snows in Dover. Throughout October, in the average 0.2 snowfall days, it receives 0.2" (5mm) of snow.

How many hours of daylight does Dover have in October?

In October, the average day length is 11h and 1min.

When is the sunrise / sunset in October in Dover?

In October, on the first day of the month, sunrise is at 6:41 am and sunset at 6:24 pm. On the last day of the month, in Dover, New Hampshire, sunrise is at 7:18 am and sunset at 5:36 pm EDT.

How long on average sun shines in October in Dover?

In October, the average sunshine duration is 6.1h.

How high is the UV index in October in Dover?

In Dover, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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 October
Dover, NH

Average temperature in October - Dover, NH
  • Average high temperature in October: 58.1°F

The warmest month (with the highest average high temperature) is July (76.3°F).
The month with the lowest average high temperature is January (31.6°F).

  • Average low temperature in October: 46.8°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in October
Dover, NH

Average pressure in October - Dover, NH
  • Average pressure in October: 30"Hg

The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

Average wind speed in October
Dover, NH

Average wind speed in October - Dover, NH
  • Average wind speed in October: 9mph

The windiest month (with the highest average wind speed) is January (11.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).

Average humidity in October
Dover, NH

Average humidity in October - Dover, NH
  • Average humidity in October: 78%

The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are April and November (75%).

Average rainfall in October
Dover, NH

Average rainfall in October - Dover, NH
  • Average rainfall in October: 2.09"

The wettest months (with the highest rainfall) are June and December (2.13").
The driest month (with the least rainfall) is September (1.26").

Average rainfall days in October
Dover, NH

Average rainfall days in October - Dover, NH
  • Average rainfall days in October: 11.9 days

The month with the highest number of rainy days is July (14.6 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in October
Dover, NH

Average snowfall in October - Dover, NH
  • Average snowfall in October: 0.2"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Dover, NH

Average snowfall days in October - Dover, NH
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is January (7.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Dover, NH
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 6h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in October
Dover, NH

Average sunshine days in October - Dover, NH
  • Average sunshine days in October: 16.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in October
Dover, NH

Average UV index in October - Dover, NH
  • Average UV index in October: 3

The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in October
Dover, NH

Average cloud cover in October - Dover, NH
  • Average cloud cover in October: 42

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in October
Dover, NH

Average visibility in October - Dover, NH
  • 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).

Dover, New Hampshire, USA

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