Jefferson County (Fairfield)
October
Weather in Jefferson County, Iowa for October 2026
Your guide to Jefferson County weather in October - trends and predictions
So far, October 2026 in Jefferson County is slightly warmer than the historical average by 0.7 °C.
In general, the average temperature in Jefferson County at the beginning of October is 23.5 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.3 °C by the end of October.
Jefferson County experiences moderate rainfall in October, with an average of 6 rainy days and a total precipitation of 74.4 mm.
Is October a good time to visit Jefferson County? check out the best time to travel to Jefferson County page.
✨ Is October a good time to visit Jefferson County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
More
25
Dry days
6
Rainy days
0
Snow days
20°/9°
Temperatures
22 km/h
Avg max wind
64 %
Avg humidity
Jefferson County Weather October
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Temperatures trend during October in Jefferson County
See the weather trend as well as the moving average line
October weather in Jefferson County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 |  Moderate rain | 24° /14° | 10.6 mm | 4 | |
| Oct. 2 |  Partly cloudy | 23° /13° | 0 mm | 5.3 | |
| Oct. 3 |  Sunny | 25° /11° | 0 mm | 5.2 | |
| Oct. 4 |  Patchy rain possible | 24° /13° | 1.8 mm | 5 | |
| Oct. 5 | Sunny | 26° /13° | 0 mm | 5 | |
| Oct. 6 | Sunny | 21° /12° | 0 mm | 4.9 | |
| Oct. 7 | Sunny | 21° /10° | 0 mm | 4.8 | |
| Oct. 8 | Sunny | 22° /8° | 0 mm | 4.7 | |
| Oct. 9 | Partly cloudy | 24° /9° | 0.3 mm | 4.7 | |
| Oct. 10 | Sunny | 24° /12° | 0 mm | 4.6 | |
| Oct. 11 |  Overcast | 25° /10° | 0 mm | 4.5 | |
| Oct. 12 | Overcast | 25° /15° | 0 mm | 4.4 | |
| Oct. 13 |  Light rain | 20° /14° | 4.7 mm | 4 | |
| Oct. 14 | Overcast | 16° /11° | 0.3 mm | 2 | |
| Oct. 15 | Patchy rain possible | 18° /9° | 2.2 mm | 3 | |
| Oct. 16 | Partly cloudy | 17° /6° | 0.6 mm | 4 | |
| Oct. 17 | Sunny | 19° /7° | 0 mm | 4 | |
| Oct. 18 | Light rain | 21° /8° | 4.4 mm | 3.9 | |
| Oct. 19 | Light rain | 19° /5° | 7.2 mm | 3.9 | |
| Oct. 20 | Partly cloudy | 22° /7° | 0 mm | 3.8 | |
| Oct. 21 | Overcast | 20° /9° | 0 mm | 3.7 | |
| Oct. 22 | Patchy rain possible | 21° /8° | 0.2 mm | 3.6 | |
| Oct. 23 | Overcast | 18° /7° | 0 mm | 3 | |
| Oct. 24 | Light rain | 19° /6° | 2.8 mm | 3 | |
| Oct. 25 | Patchy rain possible | 18° /11° | 1.1 mm | 3 | |
| Oct. 26 | Overcast | 19° /8° | 0 mm | 3 | |
| Oct. 27 | Sunny | 18° /8° | 0 mm | 3.3 | |
| Oct. 28 | Light rain | 18° /10° | 6.3 mm | 3 | |
| Oct. 29 | Moderate rain | 18° /12° | 13.9 mm | 3 | |
| Oct. 30 |  Thundery outbreaks possible | 16° /12° | 2.4 mm | 3 | |
| Oct. 31 | Light rain | 18° /13° | 3.5 mm | 1.6 | |
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Important Notice
Our weather forecast for Jefferson County in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Jefferson County forecast closer to your planned date for the most up-to-date weather information.
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Jefferson County in October - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during October?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Jefferson County during October?
Moderate rainfall is anticipated in Jefferson County during October, with a total of 74.4 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Jefferson County during October?
The average wind speed in Jefferson County during October is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys October weather 💧
Typically, Jefferson County has 6 rainy days in October with a total of 74.4 mm of rainfall.
UV exposure in Jefferson County during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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