Yosemite National Park is definitely worth a visit
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Cosby (TN) Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Cosby.
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Climate overview of Cosby
Cosby, Tennessee, United States of America, experiences significant temperature variation throughout the year. Summers bring daytime highs of 30°C (86°F) in July, while winters cool to 8°C (46°F) in January.
The city has a wet climate, receiving around 1329 mm (52 in) of rain/snowfall per year. Despite the high annual total, it has warm summers and cold winters. July is the wettest month. June is the sunniest month, averaging 9.7 hours of sunshine per day.
Cosby Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Cosby - and find the best time to visit.
Monthly Temperature in Cosby
Depending on the time of the year, temperatures range from comfortable to chilly in Cosby. On average, daytime temperatures range from a comfortable 30°C (86°F) in July to a chilly 8°C (46°F) in January.
Nighttime temperatures range from 18°C (64°F) in July to -3°C (27°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Cosby
Cosby has a relatively rain/snowy climate with high precipitation levels, averaging 1329 mm (52 in) of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 154 mm (6.1 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 82 mm (3.2 in) of rainfall. For more details, please visit our Cosby Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Cosby
In Cosby, summer days are longer and more sunny, with daily sunshine hours peaking at 9.7 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 4.2 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Data from: Knoxville, the United States of America (62 KM, 39 Miles).
Daily hours of sunshine
Data from: Knoxville, the United States of America (62 KM, 39 Miles).
Daily percentage of sunshine
Data from: Knoxville, the United States of America (62 KM, 39 Miles).
Humidity in Cosby by Month
The relative humidity is high throughout the year in Cosby.
The city experiences its highest humidity in July, reaching 76%. In April, the humidity drops to its lowest level at 63%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Data from: Knoxville, the United States of America (62 KM, 39 Miles).
Best Time to Visit Cosby
The most comfortable overall weather for exploring Cosby is usually found in October. Conditions are generally least comfortable in January, February and December.
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
Jan
wet
Feb
cold
Mar
mixed
Apr
very good
May
very good
Jun
very good
Jul
mixed
Aug
mixed
Sep
very good
Oct
excellent
Nov
good
Dec
wet
- Best overall: October
- Warmest weather: June, July and August
- Most sunshine: May, June, July and August
- Fewest rainy days: April, September, October and November
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -3°C (27°F).
Frequently asked questions about the climate in Cosby
What is the best time to visit Cosby?
October typically offers the most optimal weather in Cosby. In contrast, January, February and December tend to have less optimal conditions. Cosby has warm summers and cold winters.
What temperatures can I expect in Cosby?
Daytime highs range from 8°C (46°F) in January to 30°C (86°F) in July. Nighttime lows range from -3°C (27°F) to 18°C (64°F). Temperatures vary considerably through the year.
How much rain does Cosby get?
Annual rainfall is around 1329 mm (52 in). July is the wettest month with 154 mm (6.1 in), while February is the driest with 82 mm (3.2 in).
How sunny is Cosby?
Cosby receives around 2,618 hours of sunshine per year. June is the sunniest month with 290 hours, while December is the cloudiest with just 125 hours. Overall, Cosby enjoys abundant sunshine.
Cosby 3-Day Forecast
Cosby on the map
Cosby is highlighted - select any city to see its climate.
Popular in October
Where to go in October - average daytime high across popular destinations.
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