October weather forecastSaint Olaf, IA
October
Weather in October
October, like September, is a moderate autumn month in Saint Olaf, Iowa, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 57.7°F (14.3°C).Temperature
In October, the meteorological conditions alter, with the average high-temperature shifting from an agreeable 71.8°F (22.1°C) in September to a refreshing 57.7°F (14.3°C). Saint Olaf experiences an average nighttime temperature of 41.7°F (5.4°C) in the month of October.Humidity
October is the least humid month, with an average relative humidity of 75%.Rainfall
In Saint Olaf, during October, the rain falls for 11.1 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 138 rainfall days, and 29.21" (742mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Saint Olaf, Iowa. October is the first month it typically snows. Throughout October, in the average 1.2 snowfall days, it receives 0.35" (9mm) of snow. In Saint Olaf, during the entire year, snow falls for 48.5 days and aggregates up to 19.76" (502mm) of snow.Daylight
The average length of the day in October is 11h and 2min.On the first day of the month, sunrise is at 7:03 am and sunset at 6:46 pm. On the last day of October, sunrise is at 7:39 am and sunset at 5:58 pm CDT.
Sunshine
In October, the average sunshine is 5.4h.UV index
In October, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average maximum UV index of 2 in October leads to these recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Saint Olaf, IA
- Average high temperature in October: 57.7°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (23.5°F).
- Average low temperature in October: 41.7°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in October
Saint Olaf, IA
- Average pressure in October: 29.99"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in October
Saint Olaf, IA
- Average wind speed in October: 9.3mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in October
Saint Olaf, IA
- Average humidity in October: 75%
The months with the highest relative humidity are January and February (88%).
The month with the lowest relative humidity is October (75%).
Average rainfall in October
Saint Olaf, IA
- Average rainfall in October: 2.6"
The wettest month (with the highest rainfall) is June (4.25").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in October
Saint Olaf, IA
- Average rainfall days in October: 11.1 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in October
Saint Olaf, IA
- Average snowfall in October: 0.35"
The month with the highest snowfall is January (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in October
Saint Olaf, IA
- Average snowfall days in October: 1.2 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Saint Olaf, 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 24min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in October
Saint Olaf, IA
- Average sunshine days in October: 16.7 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.9 days).
Average UV index in October
Saint Olaf, IA
- Average UV index in October: 2
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in October
Saint Olaf, IA
- Average cloud cover in October: 40
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in October
Saint Olaf, IA
- Average visibility in October: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





