October weather forecast
Grantville, CT

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Weather in October

October, the same as September, in Grantville, Connecticut, is another refreshing autumn month, with an average temperature fluctuating between 43.9°F (6.6°C) and 58.5°F (14.7°C).

Temperature

The commencement of October indicates a shift in the average high-temperature, receding from September's agreeable 71.8°F (22.1°C) to a moderate 58.5°F (14.7°C). Throughout October, Grantville's nights cool down to an average of 43.9°F (6.6°C).

Humidity

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

Rainfall

The wettest months are October and December, with an average 3.31" (84mm) of rainfall.

Snowfall

January through May, October through December are months with snowfall in Grantville. October is the first month it typically snows in Grantville. Throughout October, in the average 0.5 snowfall days, it receives 0.63" (16mm) of snow. In Grantville, Connecticut, during the entire year, snow falls for 45.3 days and aggregates up to 25.63" (651mm) of snow.

Daylight

In October, the average length of the day is 11h and 4min.
On the first day of October in Grantville, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:47 pm EDT.

Sunshine

In October, the average sunshine is 5.4h.

UV index

In Grantville, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 3 during October, leads to the following recommendations:
Take precautions - Protection against sunburn is recommended. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
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Frequently asked questions

What is the temperature in October in Grantville?

Grantville in October has an average high-temperature of 58.5°F (14.7°C) and an average low-temperature of 43.9°F (6.6°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in July is appraised at 86°F (30°C).

What is the average humidity in October in Grantville?

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

What is the rainiest month in Grantville?

The wettest months in Grantville, Connecticut, are October and December, with an average 3.31" (84mm) of rainfall.

How much does it rain in Grantville in October?

In Grantville, in October, it is raining for 14.7 days, with typically 3.31" (84mm) of accumulated precipitation.

When does it start to snow in Grantville?

October is the first month it typically snows. Throughout October, in the average 0.5 snowfall days, it receives 0.63" (16mm) of snow.

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

In October, the average day length in Grantville, Connecticut, is 11h and 4min.

When are sunrise and sunset in October in Grantville?

In October, on the first day of the month, sunrise is at 6:50 am and sunset at 6:33 pm. On the last day of the month, in Grantville, sunrise is at 7:24 am and sunset at 5:47 pm EDT.

How long on average sun shines in October in Grantville?

In Grantville, Connecticut, the average sunshine duration in October is 5.4h.

How high is the UV index in October in Grantville?

The average daily maximum UV index in October in Grantville, Connecticut, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Grantville, CT

Average temperature in October - Grantville, CT
  • Average high temperature in October: 58.5°F

The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in October: 43.9°F

The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (18°F).

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Average pressure in October
Grantville, CT

Average pressure in October - Grantville, CT
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Grantville, CT

Average wind speed in October - Grantville, CT
  • Average wind speed in October: 7mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in October
Grantville, CT

Average humidity in October - Grantville, CT
  • Average humidity in October: 80%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in October
Grantville, CT

Average rainfall in October - Grantville, CT
  • Average rainfall in October: 3.31"

The wettest months (with the highest rainfall) are October and December (3.31").
The driest month (with the least rainfall) is September (2.09").

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Average rainfall days in October
Grantville, CT

Average rainfall days in October - Grantville, CT
  • Average rainfall days in October: 14.7 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is February (7.1 days).

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Average snowfall in October
Grantville, CT

Average snowfall in October - Grantville, CT
  • Average snowfall in October: 0.63"

The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Grantville, CT

Average snowfall days in October - Grantville, CT
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is February (11.3 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
Grantville, CT

Average daylight in October / Average sunshine in October - Grantville, CT
  • Average daylight in October: 11h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in October: 5h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).

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Average sunshine days in October
Grantville, CT

Average sunshine days in October - Grantville, CT
  • Average sunshine days in October: 14 days

The month with the most sunshine days is January (16.8 days).
The month with the least sunshine days is June (11.4 days).

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Average UV index in October
Grantville, CT

Average UV index in October - Grantville, CT
  • Average UV index in October: 3

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

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Average cloud cover in October
Grantville, CT

Average cloud cover in October - Grantville, CT
  • Average cloud cover in October: 47

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 37).

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Average visibility in October
Grantville, CT

Average visibility in October - Grantville, CT
  • Average visibility in October: 5mi

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

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Grantville, Connecticut, USA

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