Jefferson County (Fairfield)
May
Weather in Jefferson County, Iowa for May 2027
Your guide to Jefferson County weather in May - trends and predictions
Jefferson County experiences moderate rainfall in May, with an average of 9 rainy days and a total precipitation of 63.5 mm.
Is May a good time to visit Jefferson County? check out the best time to travel to Jefferson County page.
✨ Is May a good time to visit Jefferson County? – Ask the AI Weatherman
Rain 🌧️
More
22
Dry days
9
Rainy days
0
Snow days
22°/11°
Temperatures
20 km/h
Avg max wind
71 %
Avg humidity
Jefferson County Weather May
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Temperatures trend during May in Jefferson County
See the weather trend as well as the moving average line
May weather in Jefferson County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| May 1 |  Light rain | 15° /8° | 4 mm | 6 | |
| May 2 |  Patchy rain possible | 15° /6° | 0.2 mm | 7 | |
| May 3 | Patchy rain possible | 17° /6° | 1.6 mm | 5 | |
| May 4 |  Overcast | 21° /7° | 0.6 mm | 7 | |
| May 5 | Overcast | 16° /8° | 0.8 mm | 5 | |
| May 6 | Overcast | 16° /7° | 0 mm | 6 | |
| May 7 | Overcast | 21° /8° | 0.1 mm | 8 | |
| May 8 |  Cloudy | 19° /9° | 0.9 mm | 5 | |
| May 9 |  Sunny | 22° /7° | 0 mm | 8 | |
| May 10 | Sunny | 23° /8° | 0 mm | 9 | |
| May 11 | Sunny | 23° /9° | 0 mm | 9 | |
| May 12 | Cloudy | 27° /12° | 0.4 mm | 8 | |
| May 13 | Patchy rain possible | 24° /14° | 0.2 mm | 8 | |
| May 14 | Overcast | 27° /12° | 0 mm | 9 | |
| May 15 | Light rain | 29° /16° | 3 mm | 6 | |
| May 16 | Light rain | 27° /17° | 7.4 mm | 6 | |
| May 17 | Light rain | 23° /14° | 2.7 mm | 6 | |
| May 18 | Light rain | 24° /13° | 5.4 mm | 5 | |
| May 19 |  Moderate rain | 21° /11° | 17 mm | 5 | |
| May 20 | Moderate rain | 18° /10° | 12.9 mm | 8 | |
| May 21 | Overcast | 15° /8° | 0 mm | 4 | |
| May 22 | Overcast | 19° /9° | 0.6 mm | 5 | |
| May 23 | Patchy rain possible | 21° /11° | 1.9 mm | 4 | |
| May 24 | Overcast | 23° /13° | 0.1 mm | 8 | |
| May 25 | Patchy rain possible | 20° /12° | 2.2 mm | 7 | |
| May 26 |  Fog | 23° /11° | 0 mm | 7 | |
| May 27 | Overcast | 24° /14° | 0 mm | 7 | |
| May 28 | Patchy rain possible | 22° /15° | 1.5 mm | 8 | |
| May 29 | Fog | 22° /13° | 0 mm | 8 | |
| May 30 |  Thundery outbreaks possible | 27° /15° | 0 mm | 8 | |
| May 31 | Sunny | 29° /15° | 0 mm | 9 | |
| Next | |||||
Important Notice
Our weather forecast for Jefferson County in May 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 May - FAQ
What are the expected maximum and minimum temperatures in Jefferson County during May?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Jefferson County during May?
Moderate rainfall is anticipated in Jefferson County during May, with a total of 63.5 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Jefferson County during May?
The average wind speed in Jefferson County during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Jefferson County
Explore the daily rainfall trends and prepare for Jefferson Countys May weather 💧
Typically, Jefferson County has 9 rainy days in May with a total of 63.5 mm of rainfall.
UV exposure in Jefferson County during May
Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️
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