Diagonal, IA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Diagonal now
Loading the National Weather Service forecast…
Diagonal weather by the hour
Diagonal weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Diagonal.
This week in Diagonal
Sunrise, sunset and moon in Diagonal
What is the weather usually like in Diagonal?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 12°F average low
- 37.0 inprecipitation per year · 939 mm
- 20.5 insnowfall per year · 52 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Diagonal: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MT AYR, IA US (USC00135769), adjusted for the elevation of Diagonal.
Diagonal weather month by month
Sunrise and sunset in Diagonal through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:37 AM | 5:15 PM | 9 h 38 min |
| February | 7:09 AM | 5:53 PM | 10 h 43 min |
| March | 7:26 AM | 7:25 PM | 11 h 58 min |
| April | 6:36 AM | 7:58 PM | 13 h 21 min |
| May | 5:58 AM | 8:29 PM | 14 h 31 min |
| June | 5:43 AM | 8:52 PM | 15 h 8 min |
| July | 5:57 AM | 8:49 PM | 14 h 51 min |
| August | 6:26 AM | 8:17 PM | 13 h 50 min |
| September | 6:56 AM | 7:28 PM | 12 h 31 min |
| October | 7:27 AM | 6:38 PM | 11 h 10 min |
| November | 7:03 AM | 5:00 PM | 9 h 57 min |
| December | 7:33 AM | 4:52 PM | 9 h 19 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Diagonal?
Diagonal has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 12°F (-11°C).
It gets about 37.0 inches (939 mm) of precipitation a year. The wettest month is June and the driest is January. Snow is common: about 21 inches fall in an average year.
The best time to visit Diagonal is June to September. At 1,148 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 Diagonal
Weather in towns near Diagonal
Questions about the weather in Diagonal
What is the hottest month in Diagonal?
July, with an average high of 85°F (29°C).
What is the coldest month in Diagonal?
January, with an average low of 12°F (-11°C).
How much does it rain in Diagonal?
About 37.0 inches (939 mm) a year; the wettest month is June.
Does it snow in Diagonal?
Yes, about 21 inches of snow fall in an average year.
When is the best time to visit Diagonal?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Diagonal have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Diagonal in November?
Highs average 49°F and lows 28°F, with about 2.1 inches of precipitation.
What time is sunrise in Diagonal?
Around 7:03 AM in mid-November, and sunset around 5:00 PM. Today’s exact times are shown above.
Where does this Diagonal weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Diagonal.
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