Eureka, OH
Unincorporated community in Gallia County, Ohio
Eureka is a small unincorporated community in Gallia County, Ohio. It is 1.3 miles SE of Apple Grove, the nearest town. Its ZIP code is 25502.
Eureka at a glance
- State
- Ohio
- County
- Gallia County
- ZIP code
- 25502
- Nearest town
- Apple Grove (1.3 mi)
- Time zone
- America/New York
- Coordinates
- 38.6772, -82.1917
Weather in Eureka now
Loading the National Weather Service forecast…
Eureka weather by the hour
Eureka weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Eureka.
This week in Eureka
Sunrise, sunset and moon in Eureka
What is the weather usually like in Eureka?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 23°F average low
- 42.1 inprecipitation per year · 1,070 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Eureka: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station HOGSETT RC BYRD DAM, WV US (USC00464200), adjusted for the elevation of Eureka.
Eureka weather month by month
Sunrise and sunset in Eureka through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:43 AM | 5:32 PM | 9 h 49 min |
| February | 7:17 AM | 6:07 PM | 10 h 50 min |
| March | 7:38 AM | 7:37 PM | 11 h 58 min |
| April | 6:50 AM | 8:06 PM | 13 h 16 min |
| May | 6:14 AM | 8:35 PM | 14 h 20 min |
| June | 6:02 AM | 8:56 PM | 14 h 54 min |
| July | 6:15 AM | 8:54 PM | 14 h 39 min |
| August | 6:41 AM | 8:24 PM | 13 h 43 min |
| September | 7:09 AM | 7:38 PM | 12 h 29 min |
| October | 7:36 AM | 6:52 PM | 11 h 15 min |
| November | 7:09 AM | 5:17 PM | 10 h 7 min |
| December | 7:38 AM | 5:09 PM | 9 h 31 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Eureka?
Eureka has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 23°F (-5°C).
It gets about 42.1 inches (1,070 mm) of precipitation a year. The wettest month is July and the driest is October.
The best time to visit Eureka is May–June and August–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 Eureka
The closest live webcam is Kanauga: US-35 at SR-7, D10-002, 11.3 miles N of Eureka.
Webcams: Windy.com. Distances in a straight line from Eureka.
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Map of Eureka, OH
Tap any road on the map to see it in Street View below. Map: © OpenStreetMap contributors.
Eureka Street View
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Questions about Eureka
Where is Eureka, OH?
Eureka is an unincorporated community in Gallia County, Ohio, 1.3 miles SE of Apple Grove.
What county is Eureka in?
Eureka is in Gallia County, Ohio.
What is the ZIP code of Eureka, OH?
The ZIP code for Eureka is 25502.
What is the nearest town to Eureka?
Apple Grove, 1.3 miles away.
Are there webcams near Eureka?
Yes. The closest is Kanauga: US-35 at SR-7, D10-002, 11.3 miles away.
What is the hottest month in Eureka?
July, with an average high of 85°F (29°C).
What is the coldest month in Eureka?
January, with an average low of 23°F (-5°C).
How much does it rain in Eureka?
About 42.1 inches (1,070 mm) a year; the wettest month is July.
Does it snow in Eureka?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Eureka?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Eureka have?
Hot-summer humid continental (Köppen Dfa).
Last updated: