October weather forecast
Hartford, CT

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The city of Hartford, Connecticut with the roads leading to the town, and trees on roadsides
The city of Hartford, Connecticut with the roads leading to the town, and trees on roadsides

Weather in October

October in Hartford, Connecticut heralds a deep dive into autumn. Temperatures fall, presaging the approaching winter. Relief from summer heat is palpable, as the average high temperature dips to 61.2°F (16.2°C). Enwrapped in the warm hues of fall, the city embraces its ultimate autumn spell. October affords a blend of comfort and beauty, making it an ideal time for outdoor exploration and activities.

Temperature

Hartford's progression into October involves a drop in the average high-temperature, receding from a moderately hot 73.4°F (23°C) in September to a refreshing 61.2°F (16.2°C). During October, Hartford experiences an average low-temperature of 46.8°F (8.2°C) at night.

Humidity

In Hartford, the average relative humidity in October is 77%.

Rainfall

In Hartford, in October, it is raining for 9.5 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, in Hartford, Connecticut, there are 113.2 rainfall days, and 10.24" (260mm) of precipitation is accumulated.

Snowfall

In Hartford, Connecticut, snow does not fall in June through October.

Daylight

In October, the average length of the day is 11h and 4min.
On the first day of the month, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of October, sunrise is at 7:22 am and sunset at 5:46 pm EDT.

Sunshine

The average sunshine in October is 5.9h.

UV index

In Hartford, 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 rays for average individuals.
Note: The daily maximum UV index of 3 in October interprets into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

What are the temperatures in Hartford in October?

The high-temperature, in October, in Hartford, is 61.2°F (16.2°C), while the low-temperature averages to 46.8°F (8.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, in August is estimated at 86°F (30°C).

What is the average humidity in October in Hartford?

The average relative humidity in October in Hartford, Connecticut, is 77%.

How much does it rain in Hartford in October?

In Hartford, Connecticut, in October, it is raining for 9.5 days, with typically 1.02" (26mm) of accumulated precipitation.

When it does not snow in Hartford?

In Hartford, Connecticut, snow does not fall in June through October.

Does it snow in Hartford in October?

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

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

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

What time are sunrise and sunset in October in Hartford?

On the first day of October in Hartford, Connecticut, sunrise is at 6:48 am and sunset at 6:31 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 5:46 pm EDT.

How long on average sun shines in October in Hartford?

In Hartford, the average sunshine duration in October is 5.9h.

How high is the UV index in October in Hartford?

The average daily maximum UV index in October in Hartford is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe 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
Hartford, CT

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

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (33.1°F).

  • Average low temperature in October: 46.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (21.4°F).

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Average pressure in October
Hartford, CT

Average pressure in October - Hartford, 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).

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Average wind speed in October
Hartford, CT

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

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

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Average humidity in October
Hartford, CT

Average humidity in October - Hartford, CT
  • Average humidity in October: 77%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is April (70%).

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Average rainfall in October
Hartford, CT

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

The wettest months (with the highest rainfall) are June and July (1.06").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in October
Hartford, CT

Average rainfall days in October - Hartford, CT
  • Average rainfall days in October: 9.5 days

The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (6.8 days).

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Average snowfall in October
Hartford, CT

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

The month with the highest snowfall is February (1.14").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in October
Hartford, CT

Average snowfall days in October - Hartford, CT
  • Average snowfall days in October: 0.1 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).

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

Average daylight in October / Average sunshine in October - Hartford, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

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Average sunshine days in October
Hartford, CT

Average sunshine days in October - Hartford, CT
  • Average sunshine days in October: 18.7 days

The months with the most sunshine days are January and November (20.4 days).
The month with the least sunshine days is June (16.3 days).

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Average UV index in October
Hartford, CT

Average UV index in October - Hartford, 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
Hartford, CT

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

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 33).

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Average visibility in October
Hartford, CT

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

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

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Hartford, Connecticut, USA

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