Harriman (TN) Weather and Climate: A Comprehensive Guide
The temperature in Harriman can vary greatly throughout the year.
The temperatures shift from very warm
to cold.
It also has a relatively rain/snowy climate with high levels of precipitation.
Let's now guide you through the climate details for a complete overview.
Average maximum day and minimum night temperature
Depending on the time of the year, temperatures range from very warm to chilly in Harriman. On average, daytime temperatures range from a very warm 31°C in August to a chilly 8°C in January.
Nighttime temperatures can drop, with average lows reaching -3°C in January. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Harriman has a relatively rain/snowy climate with high precipitation levels, averaging 1451 mm of rain/snowfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, July, sees around 176 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, October, still receives a respectable 92 mm of rainfall.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Harriman, 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
Daily hours of sunshine
Daily percentage of sunshine
Average humidity
The relative humidity is high throughout the year in Harriman.
The city experiences its highest humidity in July, reaching 76%. In April, the humidity drops to its lowest level at 63%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
clear and no rain partly cloudy and no rain broken clouds and no rainForecast for Harriman (TN)
3 m/s
1 m/s
1 m/s
The best time of year to visit Harriman in the United States of America
During the months of April, May and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in July and December.
August has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 8°C.
July tops the wettest month list with 176 mm of rainfall.
October is the driest month with 92 mm of precipitation.
June is the sunniest month with an average of 290 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
