October weather forecast
Danbury, CT

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Weather in October

October brings a chill to Danbury, with a noticeable shift in weather conditions. Modest rainfall of about 1.02" (26mm) occurs over approximately ten days. The daylight hours shorten considerably, and less sunshine can be expected, foreboding the upcoming decrease in temperatures. The wind speeds increase, adding a brisk element to the autumn weather. November arrives bringing colder days, setting the stage for winter.

Temperature

The start of October in Danbury signals a decrease in the average high-temperature, transitioning from a pleasant 73°F (22.8°C) in September to an enjoyable 61.2°F (16.2°C). October nights are marked by an average low-temperature of 47.3°F (8.5°C).

Humidity

February and October, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Danbury, in October, during 10.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Danbury, during the entire year, the rain falls for 123.7 days and collects up to 11.65" (296mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 20.5 snowfall days, and 2.68" (68mm) of snow is accumulated.

Daylight

The average length of the day in October in Danbury is 11h and 5min.
On the first day of the month, sunrise is at 6:51 am and sunset at 6:35 pm. On the last day of October, sunrise is at 7:25 am and sunset at 5:49 pm EDT.

Sunshine

In October, the average sunshine is 5.6h.

UV index

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A daily maximum UV index of 3 in October translates into the following instructions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Experience reduced UV exposure by about half when donning a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are October temperatures?

In October, the average high-temperature and low-temperature are 61.2°F (16.2°C) and 47.3°F (8.5°C) respectively. In July, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 87.8°F (31°C).

What are the most humid months?

The months with the highest humidity are February and October, with an average relative humidity of 79%.

What is the average humidity in October?

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

How much does it rain in October?

In Danbury, Connecticut, in October, during 10.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

When does it start to snow?

October is the first month it typically snows in Danbury. Throughout October, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the average length of the day in October?

In October, the average day length is 11h and 5min.

When are sunrise and sunset in October?

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, sunrise is at 7:25 am and sunset at 5:49 pm EDT.

How long on average sun shines in October?

In Danbury, the average sunshine duration in October is 5.6h.

What is the UV index reading in October?

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

Average temperature in October - Danbury, CT
  • Average high temperature in October: 61.2°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in October: 47.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in October
Danbury, CT

Average pressure in October - Danbury, 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
Danbury, CT

Average wind speed in October - Danbury, CT
  • Average wind speed in October: 7.1mph

The windiest months (with the highest average wind speed) are January and March (8.2mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in October
Danbury, CT

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

The months with the highest relative humidity are February and October (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall in October
Danbury, CT

Average rainfall in October - Danbury, CT
  • Average rainfall in October: 1.02"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are January and February (0.55").

Average rainfall days in October
Danbury, CT

Average rainfall days in October - Danbury, CT
  • Average rainfall days in October: 10.3 days

The month with the highest number of rainy days is July (14.4 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in October
Danbury, CT

Average snowfall in October - Danbury, CT
  • Average snowfall in October: 0.04"

The months with the highest snowfall are January and February (0.75").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Danbury, CT

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

The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Danbury, 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 12min).

  • Average sunshine in October: 5h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in October
Danbury, CT

Average sunshine days in October - Danbury, CT
  • Average sunshine days in October: 18.3 days

The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is June (13.3 days).

Average UV index in October
Danbury, CT

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

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in October
Danbury, CT

Average cloud cover in October - Danbury, CT
  • Average cloud cover in October: 44

The months with the most cloud cover are February, March and December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in October
Danbury, CT

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

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

Danbury, Connecticut, USA

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