Sully, IA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Sully now
Loading the National Weather Service forecast…
Sully weather by the hour
Sully weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Sully.
This week in Sully
Sunrise, sunset and moon in Sully
What is the weather usually like in Sully?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 10°F average low
- 38.2 inprecipitation per year · 970 mm
- 31.0 insnowfall per year · 79 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Sully: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GRINNELL 3 SW, IA US (USC00133473), adjusted for the elevation of Sully.
Sully weather month by month
Sunrise and sunset in Sully through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:33 AM | 5:07 PM | 9 h 33 min |
| February | 7:04 AM | 5:46 PM | 10 h 41 min |
| March | 7:21 AM | 7:19 PM | 11 h 58 min |
| April | 6:29 AM | 7:53 PM | 13 h 23 min |
| May | 5:50 AM | 8:25 PM | 14 h 35 min |
| June | 5:35 AM | 8:48 PM | 15 h 13 min |
| July | 5:49 AM | 8:45 PM | 14 h 56 min |
| August | 6:19 AM | 8:12 PM | 13 h 53 min |
| September | 6:50 AM | 7:22 PM | 12 h 31 min |
| October | 7:22 AM | 6:31 PM | 11 h 9 min |
| November | 6:59 AM | 4:52 PM | 9 h 53 min |
| December | 7:29 AM | 4:43 PM | 9 h 14 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Sully?
Sully 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 10°F (-12°C).
It gets about 38.2 inches (970 mm) of precipitation a year. The wettest month is June and the driest is January. Snow is common: about 31 inches fall in an average year.
The best time to visit Sully is June to September. At 919 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 Sully
Weather in towns near Sully
Questions about the weather in Sully
What is the hottest month in Sully?
July, with an average high of 83°F (29°C).
What is the coldest month in Sully?
January, with an average low of 10°F (-12°C).
How much does it rain in Sully?
About 38.2 inches (970 mm) a year; the wettest month is June.
Does it snow in Sully?
Yes, about 31 inches of snow fall in an average year.
When is the best time to visit Sully?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Sully have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Sully in November?
Highs average 47°F and lows 26°F, with about 1.9 inches of precipitation.
What time is sunrise in Sully?
Around 6:59 AM in mid-November, and sunset around 4:52 PM. Today’s exact times are shown above.
Where does this Sully weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Sully.
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