Oak Grove (KY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Oak Grove.
Climate overview of Oak Grove
Temperatures in Oak Grove, Kentucky, United States of America, vary greatly throughout the year. August is the hottest month at 32°C (90°F), while January is the coldest at 7°C (45°F).
Rain/snowfall is high, totalling around 1425 mm (56 in) per year. May is the wettest month and August the driest. The city also experiences very warm summers and cold winters.
Oak Grove Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Oak Grove - and find the best time to visit.
Monthly Temperature in Oak Grove
The climate in Oak Grove is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 32°C (90°F) in August, the warmest time of the year, to a chilly 7°C (45°F) during cooler months like January.
At night, you can expect temperatures ranging from 20°C (68°F) in August to around -3°C (27°F) during January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Oak Grove
Oak Grove has a notably wet climate with abundant precipitation, recording 1425 mm (56 in) of rain/snowfall per year. While rainfall varies throughout the year, each season offers its own charm. May brings wetter days averaging 162 mm (6.4 in) of precipitation, spread over 14 rainy days.
In contrast, the driest month August experiences a drier climate, with about 75 mm (3 in) of rainfall spread across 10 rainy days. For more details, please visit our Oak Grove Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Best Time to Visit Oak Grove
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September
- Warmest weather: June, July and August
- Seasonal pattern: Very warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Oak Grove
What is the best time to visit Oak Grove?
September typically offers the most optimal weather in Oak Grove. In contrast, January, February and December tend to have less optimal conditions. Oak Grove has very warm summers and cold winters.
What temperatures can I expect in Oak Grove?
Daytime highs range from 7°C (45°F) in January to 32°C (90°F) in August. Nighttime lows range from -3°C (27°F) to 20°C (68°F). Temperatures vary considerably through the year.
How much rain does Oak Grove get?
Annual rainfall is around 1425 mm (56 in). May is the wettest month with 162 mm (6.4 in), while August is the driest with 75 mm (3 in).
Oak Grove 3-Day Forecast
Oak Grove (KY) 3-Day Forecast
Oak Grove on the map
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