Keystone, IA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Keystone now
Loading the National Weather Service forecast…
Keystone weather by the hour
Keystone weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Keystone.
This week in Keystone
Sunrise, sunset and moon in Keystone
What is the weather usually like in Keystone?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 10°F average low
- 36.0 inprecipitation per year · 914 mm
- 27.9 insnowfall per year · 71 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Keystone: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station BELLE PLAINE, IA US (USC00130600), adjusted for the elevation of Keystone.
Keystone weather month by month
Sunrise and sunset in Keystone through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:32 AM | 5:04 PM | 9 h 31 min |
| February | 7:02 AM | 5:43 PM | 10 h 40 min |
| March | 7:18 AM | 7:16 PM | 11 h 58 min |
| April | 6:26 AM | 7:51 PM | 13 h 25 min |
| May | 5:46 AM | 8:23 PM | 14 h 37 min |
| June | 5:30 AM | 8:47 PM | 15 h 16 min |
| July | 5:45 AM | 8:44 PM | 14 h 59 min |
| August | 6:15 AM | 8:10 PM | 13 h 55 min |
| September | 6:47 AM | 7:19 PM | 12 h 32 min |
| October | 7:20 AM | 6:28 PM | 11 h 8 min |
| November | 6:57 AM | 4:49 PM | 9 h 51 min |
| December | 7:28 AM | 4:39 PM | 9 h 11 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Keystone?
Keystone 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 36.0 inches (914 mm) of precipitation a year. The wettest month is June and the driest is January. Snow is common: about 28 inches fall in an average year.
The best time to visit Keystone is June to September. At 883 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 Keystone
Weather in towns near Keystone
Questions about the weather in Keystone
What is the hottest month in Keystone?
July, with an average high of 83°F (29°C).
What is the coldest month in Keystone?
January, with an average low of 10°F (-12°C).
How much does it rain in Keystone?
About 36.0 inches (914 mm) a year; the wettest month is June.
Does it snow in Keystone?
Yes, about 28 inches of snow fall in an average year.
When is the best time to visit Keystone?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Keystone have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Keystone in November?
Highs average 47°F and lows 27°F, with about 2.1 inches of precipitation.
What time is sunrise in Keystone?
Around 6:57 AM in mid-November, and sunset around 4:49 PM. Today’s exact times are shown above.
Where does this Keystone weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Keystone.
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