October weather forecast
Stamford, CT

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A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above
A wide aerial scenic cover shot over downtown Stamford, Connecticut, with two rivers and weighty rain clouds in the sky above

Weather in October

The vibrant fall foliage takes center stage in Stamford during October. A notable decrease in temperature to 62.4°F (16.9°C) marks a significant transition from the heat of September. This heralds the onset of the cooler clime. Sunny days become less frequent as October progresses. However, the city maintains steady weather conditions, although residents begin to anticipate the advent of colder days while reminiscing about the recently departed summer.

Temperature

The onset of October in Stamford coincides with a reduction in the average high-temperature, falling from a pleasant 73.2°F (22.9°C) in September to a comfortable 62.4°F (16.9°C). Stamford in October experiences a low-temperature average of 52°F (11.1°C).

Humidity

In October, the average relative humidity is 74%.

Rainfall

In Stamford, in October, it is raining for 13.9 days, with typically 3.5" (89mm) of accumulated precipitation. In Stamford, during the entire year, the rain falls for 164.1 days and collects up to 37.95" (964mm) of precipitation.

Snowfall

In Stamford, snow does not fall in May through October.

Ocean temperature

In Stamford, the average seawater temperature in October is 62.2°F (16.8°C).
Note: Swimming in 62.2°F (16.8°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

Daylight

In October, the average length of the day is 11h and 6min.
On the first day of October, sunrise is at 6:51 am and sunset at 6:35 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:50 pm EDT.

Sunshine

The average sunshine in October in Stamford is 5.8h.

UV index

In October, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: In October, the maximum UV index of 3 suggests these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
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Frequently asked questions

What are the temperatures in Stamford in October?

In October, in Stamford, the average high-temperature is 62.4°F (16.9°C), and the average low-temperature is 52°F (11.1°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in October in Stamford?

In October, the average relative humidity in Stamford is 74%.

How many days does it rain in October in Stamford?

In October, the rain falls for 13.9 days. Throughout October, 3.5" (89mm) of precipitation is accumulated.

When it does not snow in Stamford?

May through October are months without snowfall.

Does it snow in Stamford in October?

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

How cold is the water in October in Stamford?

In Stamford, the average seawater temperature in October is 62.2°F (16.8°C). For most, swimming in 62.2°F (16.8°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

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

The average day length in October in Stamford is 11h and 6min.

What time are sunrise and sunset in October in Stamford?

In October, on the first day of the month, sunrise is at 6:51 am and sunset at 6:35 pm. On the last day of the month, in Stamford, sunrise is at 7:24 am and sunset at 5:50 pm EDT.

How long on average sun shines in October in Stamford?

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

How high is the UV index in October in Stamford?

In Stamford, the average daily maximum UV index in October 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
Stamford, CT

Average temperature in October - Stamford, CT
  • Average high temperature in October: 62.4°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in October: 52°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in October
Stamford, CT

Average pressure in October - Stamford, CT
  • Average pressure in October: 30.02"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in October
Stamford, CT

Average wind speed in October - Stamford, CT
  • Average wind speed in October: 9mph

The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in October
Stamford, CT

Average humidity in October - Stamford, CT
  • Average humidity in October: 74%

The months with the highest relative humidity are February, May, June and December (75%).
The months with the lowest relative humidity are April, August and November (72%).

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Average rainfall in October
Stamford, CT

Average rainfall in October - Stamford, CT
  • Average rainfall in October: 3.5"

The wettest month (with the highest rainfall) is July (4.25").
The driest months (with the least rainfall) are January and February (2.36").

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Average rainfall days in October
Stamford, CT

Average rainfall days in October - Stamford, CT
  • Average rainfall days in October: 13.9 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (8.3 days).

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Average snowfall in October
Stamford, CT

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

The months with the highest snowfall are February and March (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in October
Stamford, CT

Average snowfall days in October - Stamford, CT
  • Average snowfall days in October: 0.1 days

The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average sea temperature in October
Stamford, CT

Average sea temperature in October - Stamford, CT
  • Average sea temperature in October: 62.2°F

The best month for swimming (with the highest average sea temperature) is August (73.1°F).
The coldest month (with the lowest average sea temperature) is February (39.5°F).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in October
Stamford, CT

Average sunshine days in October - Stamford, CT
  • Average sunshine days in October: 15 days

The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10.7 days).

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Average UV index in October
Stamford, CT

Average UV index in October - Stamford, 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).

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Average cloud cover in October
Stamford, CT

Average cloud cover in October - Stamford, CT
  • Average cloud cover in October: 42

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in October
Stamford, CT

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

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

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Stamford, Connecticut, USA

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