October weather forecast
Grasmere, ID

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Weather in October

October, the same as September, is another enjoyable autumn month in Grasmere, Idaho, with an average temperature varying between 62.2°F (16.8°C) and 45.1°F (7.3°C).

Temperature

A notable decrease in the average high-temperature is observed during October, falling from a warm 79.2°F (26.2°C) in September to a refreshing 62.2°F (16.8°C). In October, the nighttime temperature lowers to an average of 45.1°F (7.3°C).

Humidity

The average relative humidity in October is 47%.

Rainfall

In October, the rain falls for 7.2 days. Throughout October, 0.51" (13mm) of precipitation is accumulated. In Grasmere, during the entire year, the rain falls for 100.2 days and collects up to 7.48" (190mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 17.1 snowfall days, and 6.34" (161mm) of snow is accumulated.

Daylight

In Grasmere, the average length of the day in October is 11h and 2min.
On the first day of October, sunrise is at 7:41 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 6:37 pm MDT.

Sunshine

In Grasmere, the average sunshine in October is 8.2h.

UV index

In Grasmere, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 3 in October, converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in October?

In Grasmere, in October, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 45.1°F (7.3°C).

What is the average humidity in October?

In Grasmere, the average relative humidity in October is 47%.

How much does it rain in October?

In Grasmere, in October, during 7.2 rainfall days, 0.51" (13mm) of precipitation is typically accumulated.

When does it start to snow?

October is the first month it typically snows. Throughout October, in the average 0.2 snowfall days, it receives 0.08" (2mm) of snow.

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

In Grasmere, the average day length in October is 11h and 2min.

What time are sunrise and sunset in October?

On the first day of October, sunrise is at 7:41 am and sunset at 7:24 pm. On the last day of the month, sunrise is at 8:16 am and sunset at 6:37 pm MDT.

How many hours of sunshine does Grasmere have in October?

The average sunshine duration in October is 8.2h.

How high is the UV index in October?

In Grasmere, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
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
Grasmere, ID

Average temperature in October - Grasmere, ID
  • Average high temperature in October: 62.2°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (36.7°F).

  • Average low temperature in October: 45.1°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).

Average pressure in October
Grasmere, ID

Average pressure in October - Grasmere, ID
  • Average pressure in October: 30.03"Hg

The month with the highest atmospheric pressure is January (30.26"Hg).
The months with the lowest atmospheric pressure are June and August (29.88"Hg).

Average wind speed in October
Grasmere, ID

Average wind speed in October - Grasmere, ID
  • Average wind speed in October: 6.6mph

The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are January and September (6.5mph).

Average humidity in October
Grasmere, ID

Average humidity in October - Grasmere, ID
  • Average humidity in October: 47%

The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (25%).

Average rainfall in October
Grasmere, ID

Average rainfall in October - Grasmere, ID
  • Average rainfall in October: 0.51"

The wettest month (with the highest rainfall) is December (1.06").
The driest month (with the least rainfall) is August (0.2").

Average rainfall days in October
Grasmere, ID

Average rainfall days in October - Grasmere, ID
  • Average rainfall days in October: 7.2 days

The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are July and August (3.7 days).

Average snowfall in October
Grasmere, ID

Average snowfall in October - Grasmere, ID
  • Average snowfall in October: 0.08"

The month with the highest snowfall is December (2.64").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in October
Grasmere, ID

Average snowfall days in October - Grasmere, ID
  • Average snowfall days in October: 0.2 days

The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in October / Average sunshine in October - Grasmere, ID
  • Average daylight in October: 11h and 0min

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 6min).

  • Average sunshine in October: 8h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).

Average sunshine days in October
Grasmere, ID

Average sunshine days in October - Grasmere, ID
  • Average sunshine days in October: 21.8 days

The month with the most sunshine days is July (24 days).
The month with the least sunshine days is March (13.6 days).

Average UV index in October
Grasmere, ID

Average UV index in October - Grasmere, ID
  • Average UV index in October: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in October
Grasmere, ID

Average cloud cover in October - Grasmere, ID
  • Average cloud cover in October: 18

The month with the most cloud cover is December (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 8).

Average visibility in October
Grasmere, ID

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

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

Grasmere, Idaho, USA

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