2025 Compare Climate & Weather:
Gatlinburg, TN vs Mission Viejo, CA

Highlights

On average, there are 283 sunny days per year in Mission Viejo. Gatlinburg averages 205 sunny days per year. The US average is 205 sunny days.

Mission Viejo, California gets 14.2 inches of rain, on average, per year. Gatlinburg, Tennessee gets 54 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Mission Viejo averages 0 inches of snow per year. Gatlinburg averages 6.8 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Mission Viejo, California
Summer High: the July high is around 86.6 degrees
Winter Low: the January low is 44.4
Rain: averages 14.2 inches of rain a year
Snow: averages 0 inches of snow a year

Gatlinburg, Tennessee
Summer High: the July high is around 84.6 degrees
Winter Low: the January low is 26
Rain: averages 54 inches of rain a year
Snow: averages 6.8 inches of snow a year

BestPlaces Comfort Index

The annual BestPlaces Comfort Index for Mission Viejo is 9.0 (10=best), which means it is more comfortable than most places in California.

The annual BestPlaces Comfort Index for Gatlinburg is 7.6 (10=best), which means it is one of the most pleasant places in Tennessee.

Today's Weather - Gatlinburg, TN

57°F

Today's Weather - Mission Viejo, CA

65°F

Average Monthly High / Low (°F)

Hot, Freezing, Rainy, Snowy Days: Gatlinburg / Mission Viejo

July is the hottest month for Gatlinburg with an average high temperature of 84.6°, which ranks it as one of the coolest places in Tennessee. In Gatlinburg, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Gatlinburg are September, May and June.

August is the hottest month for Mission Viejo with an average high temperature of 88.4°, which ranks it as about average compared to other places in California. In Mission Viejo, there are 6 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Mission Viejo are May, October and June.

January has the coldest nighttime temperatures for Gatlinburg with an average of 26.0°. This is about average compared to other places in Tennessee.

December has the coldest nighttime temperatures for Mission Viejo with an average of 43.5°. This is warmer than most places in California.

In Gatlinburg, there are 12.3 days annually when the high temperature is over 90°, which is one of the coolest places in Tennessee.

In Mission Viejo, there are 46.1 days annually when the high temperature is over 90°, which is about average compared to other places in California.

In Gatlinburg, there are 96.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Tennessee.

In Mission Viejo, there are 5.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in California.

In Gatlinburg, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Tennessee.

In Mission Viejo, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in California.

July is the wettest month in Gatlinburg with 5.8 inches of rain, and the driest month is October with 2.7 inches. The wettest season is Autumn with 29% of yearly precipitation and 20% occurs in Winter, which is the driest season. The annual rainfall of 54.0 inches in Gatlinburg means that it is about average compared to other places in Tennessee.


February is the wettest month in Mission Viejo with 3.5 inches of rain, and the driest month is June with 0.1 inches. The wettest season is Spring with 60% of yearly precipitation and 2% occurs in Autumn, which is the driest season. The annual rainfall of 14.2 inches in Mission Viejo means that it is drier than most places in California.

July is the rainiest month in Gatlinburg with 13.9 days of rain, and October is the driest month with only 8.8 rainy days. There are 142.0 rainy days annually in Gatlinburg, which is one of the rainiest places in Tennessee. The rainiest season is Autumn when it rains 27% of the time and the driest is Winter with only a 20% chance of a rainy day.

February is the rainiest month in Mission Viejo with 6.3 days of rain, and July is the driest month with only 0.5 rainy days. There are 37.0 rainy days annually in Mission Viejo, which is less rainy than most places in California. The rainiest season is Spring when it rains 47% of the time and the driest is Autumn with only a 5% chance of a rainy day.

An annual snowfall of 6.8 inches in Gatlinburg means that it is snowier than most places in Tennessee.

There is rarely any recorded snowfall in Mission Viejo, ranking it as one of the least snowy places in California.

January is the snowiest month in Gatlinburg with 2.8 inches of snow, and 5 months of the year have significant snowfall.

Any measurable snowfall is a rare occurance in Mission Viejo.