Monticello, IA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Monticello now
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Monticello weather by the hour
Monticello weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Monticello.
This week in Monticello
Sunrise, sunset and moon in Monticello
What is the weather usually like in Monticello?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 9°F average low
- 40.1 inprecipitation per year · 1,020 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Monticello: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station ANAMOSA 1 WNW, IA US (USC00130213), adjusted for the elevation of Monticello.
Monticello weather month by month
Sunrise and sunset in Monticello through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:29 AM | 4:59 PM | 9 h 30 min |
| February | 6:58 AM | 5:38 PM | 10 h 39 min |
| March | 7:14 AM | 7:12 PM | 11 h 57 min |
| April | 6:21 AM | 7:47 PM | 13 h 25 min |
| May | 5:41 AM | 8:20 PM | 14 h 38 min |
| June | 5:26 AM | 8:44 PM | 15 h 18 min |
| July | 5:40 AM | 8:41 PM | 15 h 0 min |
| August | 6:11 AM | 8:07 PM | 13 h 56 min |
| September | 6:43 AM | 7:16 PM | 12 h 32 min |
| October | 7:16 AM | 6:24 PM | 11 h 8 min |
| November | 6:54 AM | 4:44 PM | 9 h 50 min |
| December | 7:24 AM | 4:34 PM | 9 h 10 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Monticello?
Monticello has a hot-summer humid continental climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is January, with average lows of 9°F (-13°C).
It gets about 40.1 inches (1,020 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Monticello is June to September. At 823 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 Monticello
Weather in towns near Monticello
Questions about the weather in Monticello
What is the hottest month in Monticello?
July, with an average high of 83°F (28°C).
What is the coldest month in Monticello?
January, with an average low of 9°F (-13°C).
How much does it rain in Monticello?
About 40.1 inches (1,020 mm) a year; the wettest month is June.
Does it snow in Monticello?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Monticello?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Monticello have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Monticello in November?
Highs average 46°F and lows 26°F, with about 2.3 inches of precipitation.
What time is sunrise in Monticello?
Around 6:54 AM in mid-November, and sunset around 4:44 PM. Today’s exact times are shown above.
Where does this Monticello weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Monticello.
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