October weather forecastFairfield, IA
October
Weather in October
October imprints the full strength of autumn in Fairfield with a notable drop in temperatures. Amidst the fall season, the city witnesses an increase in wind speed to 9.6mph (15.4km/h), stirring up the colorful leaves. Reduced rainfall and dwindling daylight hours give a distinct chill to the air, marking the transition towards winter. The UV index drops to 2, indicating shorter and less intense sunlight hours. The departure of October signals the arrival of November's frost and end-of-fall activities.Temperature
As October begins, there is a noticeable decrease in the average high-temperature, falling from a moderately hot 76.1°F (24.5°C) in September to an enjoyable 61.7°F (16.5°C). Throughout October, Fairfield's nights cool down to an average of 45.5°F (7.5°C).Humidity
October is the least humid month in Fairfield, with an average relative humidity of 71%.Rainfall
In October, in Fairfield, the rain falls for 10.6 days. Throughout October, 2.44" (62mm) of precipitation is accumulated. In Fairfield, during the entire year, the rain falls for 135.6 days and collects up to 28.66" (728mm) 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 0.4 snowfall days, it receives 0.51" (13mm) of snow. Throughout the year, in Fairfield, there are 32.1 snowfall days, and 14.33" (364mm) of snow is accumulated.Daylight
In October, the average length of the day in Fairfield is 11h and 6min.On the first day of October in Fairfield, sunrise is at 7:05 am and sunset at 6:49 pm. On the last day of the month, sunrise is at 7:38 am and sunset at 6:04 pm CDT.
Sunshine
The average sunshine in October is 5.5h.UV index
In Fairfield, the average daily maximum UV index in October is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In October, a daily maximum UV index of 2 leads to the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Fairfield, IA
- Average high temperature in October: 61.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in October: 45.5°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in October
Fairfield, IA
- Average pressure in October: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in October
Fairfield, IA
- Average wind speed in October: 9.6mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in October
Fairfield, IA
- Average humidity in October: 71%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Fairfield, IA
- Average rainfall in October: 2.44"
The wettest month (with the highest rainfall) is May (4.45").
The driest months (with the least rainfall) are January and December (1.18").
Average rainfall days in October
Fairfield, IA
- Average rainfall days in October: 10.6 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in October
Fairfield, IA
- Average snowfall in October: 0.51"
The months with the highest snowfall are January and February (4.33").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Fairfield, IA
- Average snowfall days in October: 0.4 days
The month with the highest number of snowfall days is January (10.3 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
Fairfield, IA
- Average daylight in October: 11h and 6min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in October: 5h and 30min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in October
Fairfield, IA
- Average sunshine days in October: 18.8 days
The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is May (11 days).
Average UV index in October
Fairfield, IA
- Average UV index in October: 2
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in October
Fairfield, IA
- Average cloud cover in October: 38
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are August and September (Cloud cover 30).
Average visibility in October
Fairfield, IA
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
