Irwin, MO weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Irwin now
Loading the National Weather Service forecast…
Irwin weather by the hour
Irwin weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Irwin.
This week in Irwin
Sunrise, sunset and moon in Irwin
What is the weather usually like in Irwin?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 88°F average high
- Januarycoldest month · 22°F average low
- 48.9 inprecipitation per year · 1,241 mm
- 7.3 insnowfall per year · 19 cm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Irwin: May and August to October, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station LAMAR 7N, MO US (USC00234705), adjusted for the elevation of Irwin.
Irwin weather month by month
Sunrise and sunset in Irwin through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:29 AM | 5:24 PM | 9 h 54 min |
| February | 7:04 AM | 5:57 PM | 10 h 53 min |
| March | 7:26 AM | 7:25 PM | 11 h 59 min |
| April | 6:40 AM | 7:53 PM | 13 h 13 min |
| May | 6:05 AM | 8:21 PM | 14 h 15 min |
| June | 5:53 AM | 8:41 PM | 14 h 47 min |
| July | 6:06 AM | 8:39 PM | 14 h 33 min |
| August | 6:31 AM | 8:11 PM | 13 h 39 min |
| September | 6:58 AM | 7:26 PM | 12 h 28 min |
| October | 7:24 AM | 6:41 PM | 11 h 17 min |
| November | 6:55 AM | 5:07 PM | 10 h 11 min |
| December | 7:23 AM | 5:01 PM | 9 h 37 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Irwin?
Irwin has a humid subtropical climate. The warmest month is July, with an average high of 88°F (31°C), and the coldest is January, with average lows of 22°F (-5°C).
It gets about 48.9 inches (1,241 mm) of precipitation a year. The wettest month is May and the driest is January. Snow is common: about 7 inches fall in an average year.
The best time to visit Irwin is May and August to October. At 974 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 Irwin
Weather in towns near Irwin
Questions about the weather in Irwin
What is the hottest month in Irwin?
July, with an average high of 88°F (31°C).
What is the coldest month in Irwin?
January, with an average low of 22°F (-5°C).
How much does it rain in Irwin?
About 48.9 inches (1,241 mm) a year; the wettest month is May.
Does it snow in Irwin?
Yes, about 7 inches of snow fall in an average year.
When is the best time to visit Irwin?
May and August to October, when temperatures are most pleasant and rainy days are fewer.
What climate does Irwin have?
Humid subtropical (Köppen Cfa).
What is the weather like in Irwin in November?
Highs average 56°F and lows 35°F, with about 3.5 inches of precipitation.
What time is sunrise in Irwin?
Around 6:55 AM in mid-November, and sunset around 5:07 PM. Today’s exact times are shown above.
Where does this Irwin weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Irwin.
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