October weather forecast
Hartford, SD

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Weather in October

October, like September, is a moderate autumn month in Hartford, South Dakota, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 41.2°F (5.1°C).

Temperature

With the onset of October, Hartford experiences a noticeable temperature shift, with the average high-temperature receding from a moderately hot 74.3°F (23.5°C) in September to a refreshing 57.2°F (14°C). October's average low-temperature reading settles at an icy 41.2°F (5.1°C).

Humidity

The least humid month is October, with an average relative humidity of 67%.

Rainfall

In Hartford, South Dakota, in October, during 8.5 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. In Hartford, during the entire year, the rain falls for 118.3 days and collects up to 22.76" (578mm) of precipitation.

Snowfall

Months with snowfall in Hartford are January through May, October through December. October is the first month it typically snows. Throughout October, in the average 1.6 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, there are 45.4 snowfall days, and 19.33" (491mm) of snow is accumulated.

Daylight

In Hartford, the average length of the day in October is 11h and 0min.
On the first day of October in Hartford, South Dakota, sunrise is at 7:26 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 6:19 pm CDT.

Sunshine

In October, the average sunshine in Hartford, South Dakota, is 6.1h.

UV index

In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In October, an average UV index of 3 transforms into the following instructions:
Act with care - The suggestion to avoid sunburn is emphasized. It's recommended to limit sun exposure when its radiation is at its peak during midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are October temperatures in Hartford?

In Hartford, 57.2°F (14°C) is the average high-temperature and 41.2°F (5.1°C) is the average low-temperature during October. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 86°F (30°C).

What is the least humid month in Hartford?

With an average relative humidity of 67%, October is the least humid month in Hartford.

What is the average humidity in October in Hartford?

The average relative humidity in October in Hartford, South Dakota, is 67%.

How many days does it rain in October in Hartford?

In October, the rain falls for 8.5 days. Throughout October, 1.77" (45mm) of precipitation is accumulated.

When does it start snowing in Hartford?

October is the first month it typically snows in Hartford. Throughout October, in the average 1.6 snowfall days, it receives 0.51" (13mm) of snow.

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

In Hartford, the average day length in October is 11h and 0min.

When is the sunrise / sunset in October in Hartford?

On the first day of October, sunrise is at 7:26 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 8:03 am and sunset at 6:19 pm CDT.

How many hours of sunshine does Hartford have in October?

In October, the average sunshine duration in Hartford, South Dakota, is 6.1h.

What is the UV index intensity in October in Hartford?

The average daily maximum UV index in October in Hartford, South Dakota, is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Hartford, SD

Average temperature in October - Hartford, SD
  • Average high temperature in October: 57.2°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (22.8°F).

  • Average low temperature in October: 41.2°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).

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Average pressure in October
Hartford, SD

Average pressure in October - Hartford, SD
  • Average pressure in October: 29.99"Hg

The months with the highest atmospheric pressure are January and February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in October
Hartford, SD

Average wind speed in October - Hartford, SD
  • Average wind speed in October: 10.7mph

The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).

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Average humidity in October
Hartford, SD

Average humidity in October - Hartford, SD
  • Average humidity in October: 67%

The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (67%).

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Average rainfall in October
Hartford, SD

Average rainfall in October - Hartford, SD
  • Average rainfall in October: 1.77"

The wettest month (with the highest rainfall) is June (3.62").
The driest month (with the least rainfall) is February (0.63").

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Average rainfall days in October
Hartford, SD

Average rainfall days in October - Hartford, SD
  • Average rainfall days in October: 8.5 days

The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (2.6 days).

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Average snowfall in October
Hartford, SD

Average snowfall in October - Hartford, SD
  • Average snowfall in October: 0.51"

The month with the highest snowfall is December (4.21").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Hartford, SD

Average snowfall days in October - Hartford, SD
  • Average snowfall days in October: 1.6 days

The month with the highest number of snowfall days is January (10.8 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, SD

Average daylight in October / Average sunshine in October - Hartford, SD
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in October: 6h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

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Average sunshine days in October
Hartford, SD

Average sunshine days in October - Hartford, SD
  • Average sunshine days in October: 19.5 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (9.2 days).

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Average UV index in October
Hartford, SD

Average UV index in October - Hartford, SD
  • Average UV index in October: 3

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in October
Hartford, SD

Average cloud cover in October - Hartford, SD
  • Average cloud cover in October: 35

The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in October
Hartford, SD

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

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

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Hartford, South Dakota, USA

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