Jefferson, IA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Jefferson now
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Jefferson weather by the hour
Jefferson weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Jefferson.
This week in Jefferson
Sunrise, sunset and moon in Jefferson
What is the weather usually like in Jefferson?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 9°F average low
- 35.3 inprecipitation per year · 897 mm
- 31.7 insnowfall per year · 81 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Jefferson: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station JEFFERSON, IA US (USC00134228), adjusted for the elevation of Jefferson.
Jefferson weather month by month
Sunrise and sunset in Jefferson through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:41 AM | 5:12 PM | 9 h 31 min |
| February | 7:11 AM | 5:51 PM | 10 h 40 min |
| March | 7:27 AM | 7:25 PM | 11 h 58 min |
| April | 6:34 AM | 8:00 PM | 13 h 25 min |
| May | 5:54 AM | 8:32 PM | 14 h 37 min |
| June | 5:39 AM | 8:56 PM | 15 h 16 min |
| July | 5:53 AM | 8:53 PM | 14 h 59 min |
| August | 6:24 AM | 8:19 PM | 13 h 55 min |
| September | 6:56 AM | 7:28 PM | 12 h 32 min |
| October | 7:28 AM | 6:37 PM | 11 h 8 min |
| November | 7:06 AM | 4:58 PM | 9 h 51 min |
| December | 7:37 AM | 4:48 PM | 9 h 11 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Jefferson?
Jefferson has a hot-summer humid continental climate. The warmest month is July, with an average high of 83°F (29°C), and the coldest is January, with average lows of 9°F (-13°C).
It gets about 35.3 inches (897 mm) of precipitation a year. The wettest month is June and the driest is January. Snow is common: about 32 inches fall in an average year.
The best time to visit Jefferson is June to September. At 1,066 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Jefferson
Weather in towns near Jefferson
Questions about the weather in Jefferson
What is the hottest month in Jefferson?
July, with an average high of 83°F (29°C).
What is the coldest month in Jefferson?
January, with an average low of 9°F (-13°C).
How much does it rain in Jefferson?
About 35.3 inches (897 mm) a year; the wettest month is June.
Does it snow in Jefferson?
Yes, about 32 inches of snow fall in an average year.
When is the best time to visit Jefferson?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Jefferson have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Jefferson in November?
Highs average 46°F and lows 26°F, with about 1.7 inches of precipitation.
What time is sunrise in Jefferson?
Around 7:06 AM in mid-November, and sunset around 4:58 PM. Today’s exact times are shown above.
Where does this Jefferson weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Jefferson.
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