United StatesThe weather in October in Cornwall
It's cool to moderate in October in Cornwall with an average temperature of 18°C. Temperatures this month range from a low of 13°C to a high of 23°C. At night, you can expect temperatures between 3°C and 12°C.
Looking for sun? October isn’t a good month to be in Cornwall. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in October for Cornwall, Connecticut. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 29°C in 2019, Cornwall reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 3°C in 2016. The extreme nighttime temperatures ranged from a lowest recorded value of -6°C to a highest value of 22°C.
Precipitation and snowfall
In October, there is an average of 155 mm of precipitation, spread over 16 days. Of the total precipitation, about 1,0 cm falls as snow in October. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in October for Cornwall
Click on any day in October to get detailed info about the usual weather on that day in Cornwall. Check out the historical temperatures and precipitation over the past 10 years on this day.
October weather comparison
| Cornwall | New York | |
|---|---|---|
| Average temperature | 18°C | 21°C |
| Max. temperature | 23°C | 26°C |
| Min. temperature | 3°C | -5°C |
| Total precipitation | 155 mm | 119 mm |
| Rainy days | 16 days | 13 days |
| Total snowfall | 1,0 cm | 0 cm |
| Snowy days | 1 day | 0 days |
Start of October
The month of October starts in Cornwall with mild temps, averaging around 20°C during the day and nights around 11°C.
Mid October
By mid-October, daytime temps drop to around 19°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of October
By the end of October, the average daytime temperature in Cornwall is around 16°C, while nighttime temps are about 7°C. There’s a significant chance of many days with precipitation.
UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Cornwall for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in October in Cornwall, Connecticut. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in October in Cornwall
Temperature in October in Cornwall over the years
Precipitation charts
These charts show the average amount of precipitation in October in Cornwall, Connecticut. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in October in Cornwall
Total precipitation in October in Cornwall over the years
Daily Snowfall in October in Cornwall
Snowfall in October in Cornwall per year
Daily UV index in October in Cornwall
This chart shows the average daily UV index in October in Cornwall, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in October in Cornwall
Have you been to Cornwall in October?
Share your weather experience in October in Cornwall.
Average weather in Cornwall by month
Click on a month below to see detailed weather info for Cornwall. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.