October weather forecast
Collinsville, CT

Share

Weather in October

October, like September, is another refreshing autumn month in Collinsville, Connecticut, with an average temperature ranging between min 45.5°F (7.5°C) and max 60.1°F (15.6°C).

Temperature

The average high-temperature decreases in October, shifting from an agreeable 72.9°F (22.7°C) in September to a mild 60.1°F (15.6°C). In Collinsville, an average nighttime temperature of 45.5°F (7.5°C) is expected during October.

Humidity

The average relative humidity in October is 78%.

Rainfall

In October, in Collinsville, Connecticut, the rain falls for 14.1 days. Throughout October, 3.19" (81mm) of precipitation is accumulated. Throughout the year, there are 159.6 rainfall days, and 31.97" (812mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Collinsville are January through May, October through December. October is the first month it typically snows in Collinsville. Throughout October, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Collinsville, Connecticut, there are 33.1 snowfall days, and 18.39" (467mm) of snow is accumulated.

Daylight

The average length of the day in October is 11h and 4min.
On the first day of October in Collinsville, sunrise is at 6:49 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

The average sunshine in October is 5.8h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 3 in October translates into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Collinsville in October?

The average high-temperature, in October, in Collinsville, is 60.1°F (15.6°C), while the average low-temperature is 45.5°F (7.5°C). In July, the average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the average humidity in October in Collinsville?

The average relative humidity in October is 78%.

How much does it rain in Collinsville in October?

In October, the rain falls for 14.1 days. Throughout October, 3.19" (81mm) of precipitation is accumulated.

When does it start to snow in Collinsville?

October is the first month it typically snows in Collinsville. Throughout October, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

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

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

When are sunrise and sunset in October in Collinsville?

In October, on the first day of the month, sunrise is at 6:49 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 Collinsville have in October?

In Collinsville, Connecticut, the average sunshine duration in October is 5.8h.

What is the UV index reading in October in Collinsville?

In Collinsville, Connecticut, the average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
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
Collinsville, CT

Average temperature in October - Collinsville, CT
  • Average high temperature in October: 60.1°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (32°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in October
Collinsville, CT

Average pressure in October - Collinsville, 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).

Average wind speed in October
Collinsville, CT

Average wind speed in October - Collinsville, CT
  • Average wind speed in October: 6.9mph

The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in October
Collinsville, CT

Average humidity in October - Collinsville, CT
  • Average humidity in October: 78%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

Average rainfall in October
Collinsville, CT

Average rainfall in October - Collinsville, CT
  • Average rainfall in October: 3.19"

The wettest month (with the highest rainfall) is December (3.43").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in October
Collinsville, CT

Average rainfall days in October - Collinsville, CT
  • Average rainfall days in October: 14.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (9.4 days).

Average snowfall in October
Collinsville, CT

Average snowfall in October - Collinsville, CT
  • Average snowfall in October: 0.08"

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in October
Collinsville, CT

Average snowfall days in October - Collinsville, CT
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is February (8.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Collinsville, 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 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in October
Collinsville, CT

Average sunshine days in October - Collinsville, CT
  • Average sunshine days in October: 14.5 days

The month with the most sunshine days is January (17.1 days).
The month with the least sunshine days is June (11.6 days).

Average UV index in October
Collinsville, CT

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

The months with the highest UV index are June and July (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
Collinsville, CT

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in October
Collinsville, CT

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

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

Collinsville, Connecticut, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location