Delavan, IL weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Delavan now
Loading the National Weather Service forecast…
Delavan weather by the hour
Delavan weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Delavan.
This week in Delavan
Sunrise, sunset and moon in Delavan
What is the weather usually like in Delavan?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 16°F average low
- 39.3 inprecipitation per year · 997 mm
- 12.9 insnowfall per year · 33 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Delavan: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station MASON CITY 4SE, IL US (USC00115413), adjusted for the elevation of Delavan.
Delavan weather month by month
Sunrise and sunset in Delavan through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:17 AM | 4:57 PM | 9 h 40 min |
| February | 6:49 AM | 5:34 PM | 10 h 45 min |
| March | 7:07 AM | 7:06 PM | 11 h 58 min |
| April | 6:17 AM | 7:38 PM | 13 h 20 min |
| May | 5:40 AM | 8:09 PM | 14 h 28 min |
| June | 5:25 AM | 8:31 PM | 15 h 5 min |
| July | 5:39 AM | 8:28 PM | 14 h 49 min |
| August | 6:08 AM | 7:57 PM | 13 h 49 min |
| September | 6:37 AM | 7:08 PM | 12 h 30 min |
| October | 7:07 AM | 6:19 PM | 11 h 11 min |
| November | 6:43 AM | 4:42 PM | 9 h 59 min |
| December | 7:12 AM | 4:34 PM | 9 h 21 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Delavan?
Delavan has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (30°C), and the coldest is January, with average lows of 16°F (-9°C).
It gets about 39.3 inches (997 mm) of precipitation a year. The wettest month is July and the driest is December. Snow is common: about 13 inches fall in an average year.
The best time to visit Delavan is May–June and August–September. At 617 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 Delavan
Weather in towns near Delavan
Questions about the weather in Delavan
What is the hottest month in Delavan?
July, with an average high of 85°F (30°C).
What is the coldest month in Delavan?
January, with an average low of 16°F (-9°C).
How much does it rain in Delavan?
About 39.3 inches (997 mm) a year; the wettest month is July.
Does it snow in Delavan?
Yes, about 13 inches of snow fall in an average year.
When is the best time to visit Delavan?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Delavan have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Delavan in November?
Highs average 51°F and lows 30°F, with about 2.8 inches of precipitation.
What time is sunrise in Delavan?
Around 6:43 AM in mid-November, and sunset around 4:42 PM. Today’s exact times are shown above.
Where does this Delavan weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Delavan.
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