Riley, MI
Unincorporated community in Clinton County, Michigan
Riley is a small unincorporated community in Clinton County, Michigan. It is 6.0 miles W of Westphalia, the nearest town. Its ZIP code is 48820.
Riley at a glance
- State
- Michigan
- County
- Clinton County
- ZIP code
- 48820
- Nearest town
- Westphalia (6.0 mi)
- Time zone
- America/Detroit
- Coordinates
- 42.9150, -84.6806
Weather in Riley now
Loading the National Weather Service forecast…
Riley weather by the hour
Riley weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Riley.
This week in Riley
Sunrise, sunset and moon in Riley
What is the weather usually like in Riley?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 83°F average high
- Januarycoldest month · 18°F average low
- 34.0 inprecipitation per year · 864 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Riley: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station SAINT JOHNS, MI US (USC00207280), adjusted for the elevation of Riley.
Riley weather month by month
Sunrise and sunset in Riley through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 8:05 AM | 5:31 PM | 9 h 26 min |
| February | 7:34 AM | 6:11 PM | 10 h 37 min |
| March | 7:48 AM | 7:46 PM | 11 h 57 min |
| April | 6:54 AM | 8:22 PM | 13 h 27 min |
| May | 6:13 AM | 8:56 PM | 14 h 42 min |
| June | 5:57 AM | 9:21 PM | 15 h 23 min |
| July | 6:12 AM | 9:17 PM | 15 h 5 min |
| August | 6:43 AM | 8:42 PM | 13 h 58 min |
| September | 7:17 AM | 7:50 PM | 12 h 33 min |
| October | 7:51 AM | 6:57 PM | 11 h 6 min |
| November | 7:29 AM | 5:17 PM | 9 h 47 min |
| December | 8:01 AM | 5:06 PM | 9 h 5 min |
Times for the 15th of each month, local time (America/Detroit).
What is the weather like in Riley?
Riley has a hot-summer humid continental climate. The warmest month is July, with an average high of 83°F (28°C), and the coldest is January, with average lows of 18°F (-8°C).
It gets about 34.0 inches (864 mm) of precipitation a year. The wettest month is May and the driest is February.
The best time to visit Riley is June to September. 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 Riley
The closest live webcam is Kentwood › North, 45.3 miles W of Riley.
Webcams: Windy.com. Distances in a straight line from Riley.
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Map of Riley, MI
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Riley Street View
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Questions about Riley
Where is Riley, MI?
Riley is an unincorporated community in Clinton County, Michigan, 6.0 miles W of Westphalia.
What county is Riley in?
Riley is in Clinton County, Michigan.
What is the ZIP code of Riley, MI?
The ZIP code for Riley is 48820.
What is the nearest town to Riley?
Westphalia, 6.0 miles away.
Are there webcams near Riley?
Yes. The closest is Kentwood › North, 45.3 miles away.
What is the hottest month in Riley?
July, with an average high of 83°F (28°C).
What is the coldest month in Riley?
January, with an average low of 18°F (-8°C).
How much does it rain in Riley?
About 34.0 inches (864 mm) a year; the wettest month is May.
Does it snow in Riley?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Riley?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Riley have?
Hot-summer humid continental (Köppen Dfa).
Last updated: