Irwin, TN
Unincorporated community in Union County, Tennessee
Irwin is a small unincorporated community in Union County, Tennessee. It is 5.9 miles S of Maynardville, the nearest town. Its ZIP code is 37866.
Irwin at a glance
- State
- Tennessee
- County
- Union County
- ZIP code
- 37866
- Nearest town
- Maynardville (5.9 mi)
- Time zone
- America/New York
- Coordinates
- 36.3300, -83.8297
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 · 85°F average high
- Januarycoldest month · 25°F average low
- 57.7 inprecipitation per year · 1,465 mm
- 3.1 insnowfall per year · 8 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 NORRIS, TN US (USC00406619), adjusted for the elevation of Irwin.
Irwin weather month by month
Sunrise and sunset in Irwin through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:44 AM | 5:45 PM | 10 h 0 min |
| February | 7:21 AM | 6:17 PM | 10 h 56 min |
| March | 7:44 AM | 7:43 PM | 11 h 59 min |
| April | 7:00 AM | 8:10 PM | 13 h 10 min |
| May | 6:27 AM | 8:36 PM | 14 h 9 min |
| June | 6:15 AM | 8:56 PM | 14 h 40 min |
| July | 6:28 AM | 8:54 PM | 14 h 26 min |
| August | 6:52 AM | 8:27 PM | 13 h 35 min |
| September | 7:16 AM | 7:44 PM | 12 h 27 min |
| October | 7:41 AM | 7:00 PM | 11 h 19 min |
| November | 7:11 AM | 5:28 PM | 10 h 17 min |
| December | 7:38 AM | 5:23 PM | 9 h 44 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Irwin?
Irwin has a humid subtropical climate. The warmest month is July, with an average high of 85°F (30°C), and the coldest is January, with average lows of 25°F (-4°C).
It gets about 57.7 inches (1,465 mm) of precipitation a year. The wettest month is April and the driest is October. Snow is common: about 3 inches fall in an average year.
The best time to visit Irwin is May and August to October. 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.
Webcams near Irwin
The closest live webcam is Sevierville: Scenic Helicopter Tours - Smoky Mountain, 31.4 miles SE of Irwin.
Webcams: Windy.com. Distances in a straight line from Irwin.
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Map of Irwin, TN
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Irwin Street View
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Questions about Irwin
Where is Irwin, TN?
Irwin is an unincorporated community in Union County, Tennessee, 5.9 miles S of Maynardville.
What county is Irwin in?
Irwin is in Union County, Tennessee.
What is the ZIP code of Irwin, TN?
The ZIP code for Irwin is 37866.
What is the nearest town to Irwin?
Maynardville, 5.9 miles away.
Are there webcams near Irwin?
Yes. The closest is Sevierville: Scenic Helicopter Tours - Smoky Mountain, 31.4 miles away.
What is the hottest month in Irwin?
July, with an average high of 85°F (30°C).
What is the coldest month in Irwin?
January, with an average low of 25°F (-4°C).
How much does it rain in Irwin?
About 57.7 inches (1,465 mm) a year; the wettest month is April.
Does it snow in Irwin?
Yes, about 3 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).
Last updated: