October weather forecast and climate
Hartford, CT

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, the same as September, is another comfortable autumn month in Hartford, Connecticut, with average temperature fluctuating between 61.2°F (16.2°C) and 46.8°F (8.2°C).

Temperature

In October, the average high-temperature decreases, from a moderately hot 73.4°F (23°C) in September, to an enjoyable 61.2°F (16.2°C). In October, the average low-temperature is 46.8°F (8.2°C).

Humidity

The average relative humidity in October is 77%.

Rainfall

In October, the rain falls for 9.5 days. Throughout October, 1.02" (26mm) of precipitation is accumulated. In Hartford, during the entire year, the rain falls for 113.2 days and collects up to 10.24" (260mm) of precipitation.

Snowfall

In Hartford snow does not fall in June through October.

Daylight

In October, the average length of the day is 11.1h.

Sunshine

In October, the average sunshine is 5.9h.

UV index

The average daily maximum UV index in Hartford is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in October in Hartford?

In October, in Hartford, the average high-temperature is 61.2°F (16.2°C), and the average low-temperature is 46.8°F (8.2°C).

What is the average humidity in October in Hartford?

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

How much does it rain in Hartford in October?

In October, in Hartford, the rain falls for 9.5 days. Throughout October, 1.02" (26mm) of precipitation is accumulated.

Does it snow in Hartford in October?

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

When it does not snow in Hartford?

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

How many hours of daylight does Hartford have in October?

The average length of the day in October in Hartford is 11.1h.

How long on average sun shines in October in Hartford?

The average sunshine in October in Hartford, Connecticut, is 5.9h.

How high is the UV index in October in Hartford?

In October, the average daily maximum UV index in Hartford is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to the UV radiation.

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"

The month with the highest atmospheric pressure is November (30.09").
The month with the lowest atmospheric pressure is June (29.93").

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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").
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).
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: 11.1h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.2h).

  • Average sunshine in October: 5.9h

Months with the most sunshine are July and August (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.6h).

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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

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

Months with the highest UV index are June, July and August (UV index 6).
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

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

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