October weather forecast
Granby, CT

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Weather in October

October, the same as September, in Granby, Connecticut, is another mild autumn month, with an average temperature varying between 44.6°F (7°C) and 59.9°F (15.5°C).

Temperature

Transition into October marks a drop in the average high-temperature, moving from a pleasant 73°F (22.8°C) in September to a refreshing 59.9°F (15.5°C). During October, Granby experiences a consistent low-temperature average of 44.6°F (7°C).

Humidity

In Granby, Connecticut, the average relative humidity in October is 79%.

Rainfall

In Granby, in October, during 11.5 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. Throughout the year, in Granby, there are 130.2 rainfall days, and 19.25" (489mm) of precipitation is accumulated.

Snowfall

June through October are months without snowfall in Granby.

Daylight

In October, the average length of the day is 11h and 4min.
On the first day of October, sunrise is at 6:48 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:46 pm EDT.

Sunshine

In October, the average sunshine is 6h.

UV index

In October, the average daily maximum UV index in Granby is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 3 in October transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Granby in October?

In Granby, in October, the average high-temperature is 59.9°F (15.5°C), and the average low-temperature is 44.6°F (7°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in July is appraised at 89.6°F (32°C).

What is the average humidity in October in Granby?

In October, the average relative humidity is 79%.

How much does it rain in Granby in October?

In Granby, Connecticut, in October, it is raining for 11.5 days, with typically 1.97" (50mm) of accumulated precipitation.

When it does not snow in Granby?

June through October are months without snowfall in Granby, Connecticut.

Does it snow in Granby in October?

In Granby, Connecticut, in October, it doesn't snow. In November, it regularly snows.

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

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

What time are sunrise and sunset in October in Granby?

On the first day of October in Granby, sunrise is at 6:48 am and sunset at 6:32 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:46 pm EDT.

How many hours of sunshine does Granby have in October?

The average sunshine duration in October in Granby, Connecticut, is 6h.

What is the UV index reading in October in Granby?

The average daily maximum UV index in October in Granby, Connecticut, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Granby, CT

Average temperature in October - Granby, CT
  • Average high temperature in October: 59.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in October: 44.6°F

The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).

Average pressure in October
Granby, CT

Average pressure in October - Granby, CT
  • 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).

Average wind speed in October
Granby, CT

Average wind speed in October - Granby, CT
  • Average wind speed in October: 6.5mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in October
Granby, CT

Average humidity in October - Granby, CT
  • Average humidity in October: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (71%).

Average rainfall in October
Granby, CT

Average rainfall in October - Granby, CT
  • Average rainfall in October: 1.97"

The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is January (1.14").

Average rainfall days in October
Granby, CT

Average rainfall days in October - Granby, CT
  • Average rainfall days in October: 11.5 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is January (6.3 days).

Average snowfall in October
Granby, CT

Average snowfall in October - Granby, CT
  • Average snowfall in October: 0"

The month with the highest snowfall is February (2.48").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in October
Granby, CT

Average snowfall days in October - Granby, CT
  • Average snowfall days in October: 0 days

The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in October /
Average sunshine in October
Granby, CT

Average daylight in October / Average sunshine in October - Granby, 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: 6h and 0min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in October
Granby, CT

Average sunshine days in October - Granby, CT
  • Average sunshine days in October: 16.8 days

The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (14.1 days).

Average UV index in October
Granby, CT

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

The months with the highest UV index are June, 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
Granby, CT

Average cloud cover in October - Granby, CT
  • Average cloud cover in October: 43

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in October
Granby, CT

Average visibility in October - Granby, CT
  • Average visibility in October: 6mi

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

Granby, Connecticut, USA

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