October weather forecast
Winchester, ID

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Weather in October

October, the same as September, in Winchester, Idaho, is another refreshing autumn month, with an average temperature varying between 55.8°F (13.2°C) and 37.9°F (3.3°C).

Temperature

The changeover to October signals a significant decrease in the average high-temperature, dropping from an agreeable 72.7°F (22.6°C) in September to a mild 55.8°F (13.2°C). During October, the temperature tends to dip to an average of 37.9°F (3.3°C) at night.

Humidity

The average relative humidity in October in Winchester is 66%.

Rainfall

In October, in Winchester, the rain falls for 13.4 days. Throughout October, 2.64" (67mm) of precipitation is accumulated. In Winchester, during the entire year, the rain falls for 133.5 days and collects up to 28.9" (734mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall. In Winchester, in October, snow falls for 3.8 days, with typically accumulated 2.91" (74mm) of snow. In Winchester, during the entire year, snow falls for 112.2 days and aggregates up to 105.79" (2687mm) of snow.

Daylight

In Winchester, the average length of the day in October is 10h and 53min.
On the first day of the month, sunrise is at 6:46 am and sunset at 6:25 pm. On the last day of October, sunrise is at 7:27 am and sunset at 5:32 pm PDT.

Sunshine

In October, the average sunshine is 6.7h.

UV index

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: The daily maximum UV index of 2 in October interprets into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Winchester in October?

The average high-temperature and low-temperature in Winchester, Idaho, during October are 55.8°F (13.2°C) and 37.9°F (3.3°C) respectively. In August, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 82.4°F (28°C).

What is the average humidity in October in Winchester?

The average relative humidity in October in Winchester is 66%.

How many days does it rain in October in Winchester?

In Winchester, in October, during 13.4 rainfall days, 2.64" (67mm) of precipitation is typically accumulated.

How many days does it snow in October in Winchester?

In October, in Winchester, Idaho, it is snowing for 3.8 days. Throughout October, 2.91" (74mm) of snow is accumulated.

How many hours of daylight does Winchester have in October?

The average day length in October in Winchester, Idaho, is 10h and 53min.

When are sunrise and sunset in October in Winchester?

In October, on the first day of the month, sunrise is at 6:46 am and sunset at 6:25 pm. On the last day of the month, in Winchester, sunrise is at 7:27 am and sunset at 5:32 pm PDT.

How many hours of sunshine does Winchester have in October?

In Winchester, the average sunshine duration in October is 6.7h.

What is the UV index reading in October in Winchester?

The average daily maximum UV index in October in Winchester is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Winchester, ID

Average temperature in October - Winchester, ID
  • Average high temperature in October: 55.8°F

The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (32.5°F).

  • Average low temperature in October: 37.9°F

The month with the highest average low temperature is August (54.7°F).
The coldest month (with the lowest average low temperature) is December (20.7°F).

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Average pressure in October
Winchester, ID

Average pressure in October - Winchester, ID
  • Average pressure in October: 30.05"Hg

The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).

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Average wind speed in October
Winchester, ID

Average wind speed in October - Winchester, ID
  • Average wind speed in October: 4.2mph

The windiest months (with the highest average wind speed) are January, February, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in October
Winchester, ID

Average humidity in October - Winchester, ID
  • Average humidity in October: 66%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (44%).

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Average rainfall in October
Winchester, ID

Average rainfall in October - Winchester, ID
  • Average rainfall in October: 2.64"

The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is July (0.63").

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Average rainfall days in October
Winchester, ID

Average rainfall days in October - Winchester, ID
  • Average rainfall days in October: 13.4 days

The month with the highest number of rainy days is April (17.8 days).
The month with the least rainy days is January (6 days).

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Average snowfall in October
Winchester, ID

Average snowfall in October - Winchester, ID
  • Average snowfall in October: 2.91"

The month with the highest snowfall is February (23.11").
The months with the least snowfall are July and August (0").

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Average snowfall days in October
Winchester, ID

Average snowfall days in October - Winchester, ID
  • Average snowfall days in October: 3.8 days

The month with the highest number of snowfall days is December (19.9 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight in October /
Average sunshine in October
Winchester, ID

Average daylight in October / Average sunshine in October - Winchester, ID
  • Average daylight in October: 10h and 5min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in October: 6h and 4min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).

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Average sunshine days in October
Winchester, ID

Average sunshine days in October - Winchester, ID
  • Average sunshine days in October: 15.1 days

The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is March (7.3 days).

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Average UV index in October
Winchester, ID

Average UV index in October - Winchester, ID
  • Average UV index in October: 2

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

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Average cloud cover in October
Winchester, ID

Average cloud cover in October - Winchester, ID
  • Average cloud cover in October: 36

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 13).

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Average visibility in October
Winchester, ID

Average visibility in October - Winchester, ID
  • Average visibility in October: 6mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).

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Winchester, Idaho, USA

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