Climate of Great Smoky Mountains National Park

Great Smoky Mountains National Park has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for Great Smoky Mountains National Park is 18° degrees and there is about 775 mm of rain in a year. It is dry for 141 days a year with an average humidity of 78% and an UV-index of 4.

Climate averages for the whole year

Day: the average daily temperature during the day is between 6°C and 28°C
Night:the average nighttime temperature is between -3°C and 16°C
Rain: it rains 185 days and there is a total of approximately 774 mm rainfall
Snow: it snows an average of 32 days per year
Sun hours: throughout the year there are 3003 sun hours

Maximum temperature:	between 6°C and 28°C
Warmest month:	28°C in July
Coldest month:	6°C in January
Night temperature:	between -3°C and 16°C
Dry days:	148 days
Days with rain:	185 days
Days with snow:	32 days
Total rain sum:	774 mm
Hours of sunshine:	3003 hours

Climate of Great Smoky Mountains National Park
Temperature graph
Precipitation graph
Climate chart of Great Smoky Mountains National Park
The best travel time for Great Smoky Mountains National Park
Climate of Great Smoky Mountains National Park by month
Experiences with the weather of Great Smoky Mountains National Park

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Great Smoky Mountains National Park.

Precipitation graph

This graph shows the average amount of rainfall per month for Great Smoky Mountains National Park.

Climate table of Great Smoky Mountains National Park

In this climate table you can see at a glance what the average weather per month is for Great Smoky Mountains National Park. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Great Smoky Mountains National Park might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	6	9	13	19	23	27	28	28	25	19	13	9
Night temp. (°C)	-3	-1	3	8	11	14	16	15	13	8	3	1
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	73	79	71	68	62	53	59	47	55	53	66	88
Days with rain	13	14	17	17	19	18	19	16	15	12	11	14
Days with snow	10	7	5	1	-	-	-	-	-	1	2	6
Dry days	8	7	9	12	12	12	12	15	15	18	17	11
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	5	7	7	9	11	11	11	11	9	7	6	5
Wind force (Bft)	2	2	2	2	2	2	2	2	2	2	2	2
UV-index	2	2	3	5	6	6	6	6	4	3	3	2

Best time to visit Great Smoky Mountains National Park

The best time to visit Great Smoky Mountains National Park is April through October. In this period you have a warm temperature and little precipitation. The highest average temperature in Great Smoky Mountains National Park is 28°C in July and the lowest is 6°C in January.

Climate of Great Smoky Mountains National Park by month

What is the average climate in a given month for Great Smoky Mountains National Park? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January