Walnut, IA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Walnut now
Loading the National Weather Service forecast…
Walnut weather by the hour
Walnut weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Walnut.
This week in Walnut
Sunrise, sunset and moon in Walnut
What is the weather usually like in Walnut?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 86°F average high
- Januarycoldest month · 10°F average low
- 34.3 inprecipitation per year · 872 mm
- 30.5 insnowfall per year · 77 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Walnut: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station HARLAN, IA US (USC00133632), adjusted for the elevation of Walnut.
Walnut weather month by month
Sunrise and sunset in Walnut through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:43 AM | 5:17 PM | 9 h 34 min |
| February | 7:13 AM | 5:55 PM | 10 h 41 min |
| March | 7:30 AM | 7:28 PM | 11 h 58 min |
| April | 6:39 AM | 8:02 PM | 13 h 23 min |
| May | 5:59 AM | 8:34 PM | 14 h 34 min |
| June | 5:44 AM | 8:58 PM | 15 h 13 min |
| July | 5:58 AM | 8:54 PM | 14 h 55 min |
| August | 6:28 AM | 8:21 PM | 13 h 53 min |
| September | 7:00 AM | 7:31 PM | 12 h 31 min |
| October | 7:31 AM | 6:41 PM | 11 h 9 min |
| November | 7:08 AM | 5:02 PM | 9 h 54 min |
| December | 7:38 AM | 4:53 PM | 9 h 14 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Walnut?
Walnut has a hot-summer humid continental climate. The warmest month is July, with an average high of 86°F (30°C), and the coldest is January, with average lows of 10°F (-12°C).
It gets about 34.3 inches (872 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 Walnut is May–June and August–September. At 1,332 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 Walnut
Weather in towns near Walnut
Questions about the weather in Walnut
What is the hottest month in Walnut?
July, with an average high of 86°F (30°C).
What is the coldest month in Walnut?
January, with an average low of 10°F (-12°C).
How much does it rain in Walnut?
About 34.3 inches (872 mm) a year; the wettest month is June.
Does it snow in Walnut?
Yes, about 31 inches of snow fall in an average year.
When is the best time to visit Walnut?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Walnut have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Walnut in November?
Highs average 49°F and lows 26°F, with about 1.4 inches of precipitation.
What time is sunrise in Walnut?
Around 7:08 AM in mid-November, and sunset around 5:02 PM. Today’s exact times are shown above.
Where does this Walnut weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Walnut.
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