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Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
The tourist attraction spot of a stone house home to the Sheffield Island lighthouse in Norwalk, Connecticut
Weather in October
October in Norwalk emerges as a true fall month. The weather, cooler than September’s, necessitates warmer clothing, as high temperatures average at 61.9°F (16.6°C) and low temperatures dive to 51.3°F (10.7°C). The trees in Norwalk adorn vibrant colored foliage, adding charm to the city's landscape. This month manifests the perfect weather for engaging in fall-related activities and events.
Temperature
Welcoming October, Norwalk observes a shift in the average high-temperature, falling from September's agreeable 73°F (22.8°C) to an enjoyable 61.9°F (16.6°C). October in Norwalk, Connecticut, is noted for a mean low-temperature of 51.3°F (10.7°C).
Humidity
In Norwalk, the average relative humidity in October is 75%.
Rainfall
In October, the rain falls for 14.3 days. Throughout October, 3.5" (89mm) of precipitation is accumulated. Throughout the year, there are 166.3 rainfall days, and 37.87" (962mm) of precipitation is accumulated.
Snowfall
May through October are months without snowfall in Norwalk.
Ocean temperature
In Norwalk, the average seawater temperature in October is 62.6°F (17°C).
Note: Most people find swimming in 62.6°F (17°C) to be not enjoyable. The control of one's breathing becomes more challenging as the water temperature drops below 69.8°F (21°C).
Daylight
In Norwalk, the average length of the day in October is 11h and 5min.
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 is 5.9h.
UV index
The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 3 in October translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources |
Frequently asked questions
What is the usual temperature for Norwalk in October?
The high-temperature in Norwalk during October is 61.9°F (16.6°C) and the low-temperature is 51.3°F (10.7°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in July is estimated at 86°F (30°C).
What is the average humidity in October in Norwalk?
In October, the average relative humidity in Norwalk, Connecticut, is 75%.
How many days does it rain in October in Norwalk?
In Norwalk, Connecticut, in October, during 14.3 rainfall days, 3.5" (89mm) of precipitation is typically accumulated.
When it does not snow in Norwalk?
May through October are months without snowfall in Norwalk.
Does it snow in Norwalk in October?
In Norwalk, Connecticut, in October, it doesn't snow. In November, it regularly snows.
How cold is the water in October in Norwalk?
In Norwalk, in October, the average water temperature is 62.6°F (17°C). For most, swimming in 62.6°F (17°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).
How many hours of daylight does Norwalk have in October?
In October, the average day length in Norwalk, Connecticut, is 11h and 5min.
When is the sunrise / sunset in October in Norwalk?
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.
How long on average sun shines in October in Norwalk?
In Norwalk, the average sunshine duration in October is 5.9h.
How high is the UV index in October in Norwalk?
The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND
Sep
October
Nov
Average high temperature
73°F 22.8°C
61.9°F 16.6°C
50.9°F 10.5°C
Average low temperature
61.2°F 16.2°C
51.3°F 10.7°C
40.3°F 4.6°C
Average pressure
30.05" 763mmHg
30.02" 763mmHg
30.09" 764mmHg
Average wind speed
7.6mph 12.2km/h
9mph 14.5km/h
9.6mph 15.4km/h
Average max. wind speed
7.8mph 12.6km/h
9.8mph 15.8km/h
10.3mph 16.6km/h
Average wind speed gusts
11.3mph 18.2km/h
13.7mph 22km/h
14.4mph 23.2km/h
Average humidity
75%
75%
72%
Average rainfall
2.72" 69mm
3.5" 89mm
2.95" 75mm
Average rainfall days
13.4
14.3
10.5
Average snowfall
0" 0mm
0" 0mm
0.28" 7mm
Average snowfall days
0.1
0.9
Average sea temperature
68.7°F 20.4°C
62.5°F 16.9°C
54.4°F 12.4°C
Average daylight
12h 3min
11h 1min
9h 5min
Average sunshine
8h 5min
5h 5min
5h 4min
Average sunshine days
14
14.6
16.9
Average UV index
4
3
2
Average cloud cover
34%
41%
37%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km
Average temperature in October
Norwalk, CT
- Average high temperature in October: 61.9°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in October: 51.3°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).
Average pressure in October
Norwalk, CT
- Average pressure in October: 30.02"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
Norwalk, 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 (6.5mph).
Average humidity in October
Norwalk, CT
- Average humidity in October: 75%
The months with the highest relative humidity are February, May and June (76%).
The months with the lowest relative humidity are April and November (72%).
Average rainfall in October
Norwalk, CT
- Average rainfall in October: 3.5"
The wettest month (with the highest rainfall) is July (4.13").
The driest months (with the least rainfall) are January and February (2.36").
Average rainfall days in October
Norwalk, CT
- Average rainfall days in October: 14.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in October
Norwalk, CT
- Average snowfall in October: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Norwalk, CT
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is February (7.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in October
Norwalk, CT
- Average sea temperature in October: 62.5°F
The best month for swimming (with the highest average sea temperature) is August (73°F).
The coldest month (with the lowest average sea temperature) is February (39°F).
Average daylight in October /
Average sunshine in October
Norwalk, 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).
Average sunshine days in October
Norwalk, CT
- Average sunshine days in October: 14.6 days
The month with the most sunshine days is January (17.8 days).
The month with the least sunshine days is June (10 days).
Average UV index in October
Norwalk, 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
Norwalk, CT
- Average cloud cover in October: 41
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in October
Norwalk, 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).
