October weather forecast
Irwin, ID

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Weather in October

October, the same as September, in Irwin, Idaho, is another chilly autumn month, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 29.1°F (-1.6°C).

Temperature

With the onset of October, Irwin's weather experiences a distinct temperature drop, moving from a refreshing 66.6°F (19.2°C) in September to a chilly 48.9°F (9.4°C). During the month of October, Irwin anticipates a mean low-temperature of 29.1°F (-1.6°C).

Humidity

The average relative humidity in October is 68%.

Rainfall

In Irwin, during October, the rain falls for 11.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 127 rainfall days, and 24.29" (617mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through June, September through December. In Irwin, in October, snow falls for 7.1 days, with typically accumulated 5.51" (140mm) of snow. In Irwin, during the entire year, snow falls for 126.6 days and aggregates up to 110.28" (2801mm) of snow.

Daylight

The average length of the day in October is 11h and 0min.
On the first day of the month, sunrise is at 7:23 am and sunset at 7:05 pm. On the last day of October, sunrise is at 8:00 am and sunset at 6:17 pm MDT.

Sunshine

In October, the average sunshine in Irwin is 6.6h.

UV index

The average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 2 during October leads to these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Frequently asked questions

What is the temperature in October?

The average high-temperature, in October, in Irwin, is 48.9°F (9.4°C), while the average low-temperature is 29.1°F (-1.6°C).

What is the average humidity in October?

In Irwin, the average relative humidity in October is 68%.

How many days does it rain in October?

In Irwin, in October, during 11.8 rainfall days, 1.65" (42mm) of precipitation is typically accumulated.

How much does it snow in October?

In Irwin, during October, snow falls for 7.1 days and regularly aggregates up to 5.51" (140mm) of snow.

What is the average length of the day in October?

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

When is the sunrise / sunset in October?

On the first day of October, sunrise is at 7:23 am and sunset at 7:05 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 6:17 pm MDT.

How many hours of sunshine does Irwin have in October?

In Irwin, Idaho, the average sunshine duration in October is 6.6h.

What is the UV index reading in October?

In October, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Irwin, ID

Average temperature in October - Irwin, ID
  • Average high temperature in October: 48.9°F

The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (24.3°F).

  • Average low temperature in October: 29.1°F

The months with the highest average low temperature are July and August (45.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).

Average pressure in October
Irwin, ID

Average pressure in October - Irwin, ID
  • Average pressure in October: 30.06"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in October
Irwin, ID

Average wind speed in October - Irwin, ID
  • Average wind speed in October: 4.8mph

The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

Average humidity in October
Irwin, ID

Average humidity in October - Irwin, ID
  • Average humidity in October: 68%

The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (46%).

Average rainfall in October
Irwin, ID

Average rainfall in October - Irwin, ID
  • Average rainfall in October: 1.65"

The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.91").

Average rainfall days in October
Irwin, ID

Average rainfall days in October - Irwin, ID
  • Average rainfall days in October: 11.8 days

The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.6 days).

Average snowfall in October
Irwin, ID

Average snowfall in October - Irwin, ID
  • Average snowfall in October: 5.51"

The month with the highest snowfall is February (22.91").
The months with the least snowfall are July and August (0").

Average snowfall days in October
Irwin, ID

Average snowfall days in October - Irwin, ID
  • Average snowfall days in October: 7.1 days

The months with the highest number of snowfall days are February and December (22.3 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in October / Average sunshine in October - Irwin, ID
  • 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 4min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

Average sunshine days in October
Irwin, ID

Average sunshine days in October - Irwin, ID
  • Average sunshine days in October: 15 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (5.3 days).

Average UV index in October
Irwin, ID

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

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in October
Irwin, ID

Average cloud cover in October - Irwin, ID
  • Average cloud cover in October: 31

The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 13).

Average visibility in October
Irwin, ID

Average visibility in October - Irwin, 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 (3mi).

Irwin, Idaho, USA

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