Grayson (KY) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Grayson.
Climate overview of Grayson
Grayson, Kentucky, United States of America, sees big temperature differences between seasons, with August peaking at 30°C (86°F) and January dropping to 5°C (41°F).
With around 1190 mm (47 in) of annual rain/snowfall, Grayson has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is July.
Grayson Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Grayson - and find the best time to visit.
Monthly Temperature in Grayson
Visitors to Grayson can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 30°C (86°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 5°C (41°F).
At night, temperatures range from around 17°C (63°F) in August to -6°C (21°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Grayson
Grayson is known for its substantial rain/snowfall, with annual precipitation reaching 1190 mm (47 in). Grayson can be quite wet during July, receiving approximately 153 mm (6 in) of precipitation over 14 rainy days.
In contrast, during the driest month (November), you will experience much drier conditions, with 68 mm (2.7 in) of precipitation spread across 10 rainy days. For more details, please visit our Grayson 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 Grayson
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: September and October
- Warmest weather: June, July and August
- Fewer rainy days: June, August, September, October and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -6°C (21°F).
Frequently asked questions about the climate in Grayson
What is the best time to visit Grayson?
September and October typically offer the most optimal weather in Grayson. In contrast, January, February and December tend to have less optimal conditions. Grayson has warm summers and cold winters.
What temperatures can I expect in Grayson?
Daytime highs range from 5°C (41°F) in January to 30°C (86°F) in August. Nighttime lows range from -6°C (21°F) to 17°C (63°F). Temperatures vary considerably through the year.
How much rain does Grayson get?
Annual rainfall is around 1190 mm (47 in). July is the wettest month with 153 mm (6 in), while November is the driest with 68 mm (2.7 in).
Grayson 3-Day Forecast
Grayson on the map
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Popular this month
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