October weather forecast
Sullivan, NH

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Weather in October

October, the same as September, in Sullivan, New Hampshire, is a moderate autumn month, with an average temperature varying between 42.1°F (5.6°C) and 56.8°F (13.8°C).

Temperature

The onset of October introduces a moderate change in Sullivan's weather, with average high-temperatures falling from September's pleasant 70°F (21.1°C) to a refreshing 56.8°F (13.8°C). Sullivan's average low-temperature in October is measured at an icy 42.1°F (5.6°C).

Humidity

In Sullivan, the average relative humidity in October is 80%.

Rainfall

In Sullivan, New Hampshire, in October, it is raining for 11.2 days, with typically 1.18" (30mm) of accumulated precipitation. In Sullivan, New Hampshire, during the entire year, the rain falls for 125.1 days and collects up to 11.69" (297mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 39.8 snowfall days, and 10.2" (259mm) of snow is accumulated.

Daylight

In October, the average length of the day in Sullivan is 11h and 1min.
On the first day of October in Sullivan, New Hampshire, sunrise is at 6:46 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:41 pm EDT.

Sunshine

In Sullivan, New Hampshire, the average sunshine in October is 5.6h.

UV index

The months with the lowest UV index are January through March, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during October translates into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the temperature in October in Sullivan?

The average high-temperature, in October, in Sullivan, is 56.8°F (13.8°C), while the average low-temperature is 42.1°F (5.6°C).

What is the average humidity in October in Sullivan?

The average relative humidity in October is 80%.

How much does it rain in Sullivan in October?

In Sullivan, in October, during 11.2 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When does it start snowing in Sullivan?

October is the first month it typically snows. Throughout October, in the average 0.6 snowfall days, it receives 0.12" (3mm) of snow.

How many hours of daylight does Sullivan have in October?

The average day length in October in Sullivan is 11h and 1min.

When is the sunrise / sunset in October in Sullivan?

On the first day of October in Sullivan, sunrise is at 6:46 am and sunset at 6:29 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:41 pm EDT.

How long on average sun shines in October in Sullivan?

In October, the average sunshine duration is 5.6h.

What are the months with the lowest UV index in Sullivan?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Sullivan, New Hampshire.

What is the UV index reading in October in Sullivan?

In Sullivan, the average daily maximum UV index in October is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Sullivan, NH

Average temperature in October - Sullivan, NH
  • Average high temperature in October: 56.8°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (27.9°F).

  • Average low temperature in October: 42.1°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).

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Average pressure in October
Sullivan, NH

Average pressure in October - Sullivan, NH
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Sullivan, NH

Average wind speed in October - Sullivan, NH
  • Average wind speed in October: 6.5mph

The windiest months (with the highest average wind speed) are January, February and March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in October
Sullivan, NH

Average humidity in October - Sullivan, NH
  • Average humidity in October: 80%

The month with the highest relative humidity is February (85%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in October
Sullivan, NH

Average rainfall in October - Sullivan, NH
  • Average rainfall in October: 1.18"

The wettest month (with the highest rainfall) is July (1.3").
The driest month (with the least rainfall) is March (0.75").

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Average rainfall days in October
Sullivan, NH

Average rainfall days in October - Sullivan, NH
  • Average rainfall days in October: 11.2 days

The month with the highest number of rainy days is May (14.6 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in October
Sullivan, NH

Average snowfall in October - Sullivan, NH
  • Average snowfall in October: 0.12"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Sullivan, NH

Average snowfall days in October - Sullivan, NH
  • Average snowfall days in October: 0.6 days

The month with the highest number of snowfall days is February (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Sullivan, 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 6min).

  • Average sunshine in October: 5h and 4min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in October
Sullivan, NH

Average sunshine days in October - Sullivan, NH
  • Average sunshine days in October: 17 days

The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.8 days).

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Average UV index in October
Sullivan, NH

Average UV index in October - Sullivan, NH
  • Average UV index in October: 2

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

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Average cloud cover in October
Sullivan, NH

Average cloud cover in October - Sullivan, NH
  • Average cloud cover in October: 46

The months with the most cloud cover are February and March (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in October
Sullivan, NH

Average visibility in October - Sullivan, NH
  • Average visibility in October: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

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Sullivan, New Hampshire, USA

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