Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
The arrival of October signals a clear decrease in the average high-temperature, falling from a warm 74.3°F (23.5°C) in September to a mild 58.1°F (14.5°C). During October, the average low-temperature is an icy 42.6°F (5.9°C).Humidity
With an average relative humidity of 67%, October is the least humid month.Rainfall
In October, in Granville, the rain falls for 9.9 days. Throughout October, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Granville, Iowa, there are 124 rainfall days, and 24.09" (612mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Granville. October is the first month it typically snows. Throughout October, in the average 1.6 snowfall days, it receives 0.71" (18mm) of snow. Throughout the year, there are 49.5 snowfall days, and 18.39" (467mm) of snow is accumulated.Daylight
In Granville, the average length of the day in October is 11h and 1min.On the first day of the month, sunrise is at 7:21 am and sunset at 7:04 pm. On the last day of October, sunrise is at 7:57 am and sunset at 6:16 pm CDT.
Sunshine
In Granville, the average sunshine in October is 5.9h.UV index
The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In October, the maximum UV index of 3 suggests these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Granville in October?
What is the least humid month in Granville?
What is the average humidity in October in Granville?
How much does it rain in Granville in October?
When does it start snowing in Granville?
What is the average length of the day in October in Granville?
When is the sunrise / sunset in October in Granville?
How long on average sun shines in October in Granville?
What is the UV index reading in October in Granville?
Average temperature in October
Granville, IA
- Average high temperature in October: 58.1°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (24.6°F).
- Average low temperature in October: 42.6°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (11.3°F).
Average pressure in October
Granville, IA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in October
Granville, IA
- Average wind speed in October: 10.3mph
The windiest month (with the highest average wind speed) is April (11.3mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in October
Granville, IA
- Average humidity in October: 67%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (67%).
Average rainfall in October
Granville, IA
- Average rainfall in October: 2.2"
The wettest month (with the highest rainfall) is June (3.82").
The driest month (with the least rainfall) is January (0.79").
Average rainfall days in October
Granville, IA
- Average rainfall days in October: 9.9 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2.8 days).
Average snowfall in October
Granville, IA
- Average snowfall in October: 0.71"
The month with the highest snowfall is February (4.61").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Granville, IA
- Average snowfall days in October: 1.6 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Granville, IA
- Average daylight in October: 11h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in October: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in October
Granville, IA
- Average sunshine days in October: 18 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in October
Granville, IA
- 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).
Average cloud cover in October
Granville, IA
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in October
Granville, IA
- 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).
Granville, Iowa, USA
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