Climate · Mowbray Mountain

Mowbray Mountain, TN climate

Mowbray Mountain has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 85°, a January night drops to 29°, and about 4 inches of snow falls in a normal winter.

NOAA 1991-2020 climate normals Updated once a decade
July high
85°
44th coolest of 504 Tennessee towns
January low
29°
218th mildest of 504 Tennessee towns
Rain + melted snow
62 in
15th wettest of 504 Tennessee towns
Snow a winter
4 in
166th snowiest of 503 Tennessee towns
A normal year

What a year in Mowbray Mountain feels like

Winter

49° / 31°
Typical high / low · 2 days with an inch or more of snow

Spring

68° / 48°
Typical high / low · Last frost around Apr 7

Summer

84° / 65°
Typical high / low · 17 days reach 90° in a normal year

Fall

69° / 50°
Typical high / low · First frost around Oct 29
Best months to be outsideAprMayJunSepOctHighs of 62–84° and lows of 40° or more
Month by month

Mowbray Mountain weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January47°29°5.7" 1.4"8 29° – 45°
February51°32°5.7" 1.8"9 32° – 49°
March59°39°5.8" 0.3"9 43° – 59°
April69°48°5.7" 09 53° – 63°
May76°57°4.6" 08 61° – 71°
June82°63°5.1" 08 68° – 76°
July85°66°5.0" 09 72° – 79°
August85°66°4.1" 08 70° – 80°
September79°60°4.8" 06 67° – 76°
October70°50°4.2" 06 56° – 65°
November58°39°5.1" 07 43° – 54°
December49°32°6.4" 0.8"8 32° – 51°
Year67°48°61.9"4.3"95

“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.

Rain & snow

Rain and snow in Mowbray Mountain

Mowbray Mountain gets 62 inches of rain and melted snow a year. December is the wettest month and August the driest. Rain or snow falls on about 95 days a year.

62 in
Rain + melted snow a year
More rain than 98% of U.S. towns
4 in
Snow in a normal winter
Less snow than 79% of U.S. towns
95 days
With rain or snow (0.01"+)

Rain + melted snow by month

Inches of water
6.4"

Snowfall by month

Inches of snow
1.8"
Frost & the growing season

About 203 frost-free days a year

In half of years the last 32° night comes by April 7 and the first one by October 29. That leaves about 203 frost-free days for gardens, longer than 74% of U.S. towns.

82
nights at or below 32° in a normal year
<1
nights below 0° in a normal year
17
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Mowbray Mountain

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Mowbray Mountain, 75% of that work is heating and 25% is cooling.

75%heating
3,793 heating degree daysLess heating than 80% of U.S. towns
1,275 cooling degree daysMore cooling than 72% of U.S. towns

Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.

Around Mowbray Mountain

Mowbray Mountain and its neighbors

Mowbray Mountain borders 3 towns with climate data. January nights across them vary by 1.8°. Flat Top Mountain has the coldest January nights (30°) and Falling Water the hottest July afternoons (89°). Mowbray Mountain’s January low is 29° and its July high 85°.

Middle Valley: January low 31°, July high 89°Chattanooga: January low 31°, July high 90°Walden: January low 30°, July high 86°Flat Top Mountain: January low 30°, July high 86°Soddy-Daisy: January low 30°, July high 87°Falling Water: January low 31°, July high 89°Mowbray Mountain: January low 29°, July high 85° Mowbray MountainFlat Top MountainSoddy-DaisyFalling Water
ColderMilder29° to 31°
Mowbray Mountain28.8°
Flat Top Mountain29.8° +1.0°
Soddy-Daisy30.2° +1.4°
Falling Water30.6° +1.8°

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Mowbray Mountain compares

Summer heat85° July high
Hotter than 52% of U.S. towns44th coolest of 504 Tennessee towns
Winter cold29° January low
Milder than 80% of U.S. towns218th mildest of 504 Tennessee towns
Precipitation62" a year
Wetter than 98% of U.S. towns15th wettest of 504 Tennessee towns
Snow4" a winter
Less snow than 79% of U.S. towns166th snowiest of 503 Tennessee towns
Growing season203 frost-free days
Longer than 74% of U.S. towns193rd shortest of 504 Tennessee towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+0.9°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Mowbray Mountain averaged 0.9° warmer than the 1900s. The biggest change is in December (+1.9°). The shift is smaller than in 81% of U.S. towns.

❄️ Winter+1.4° now 40°, was 39°
🌷 Spring+0.8° now 58°, was 57°
☀️ Summer+0.6° now 74°, was 74°
🍂 Fall+0.7° now 59°, was 59°

Change by month1991–2020 average minus 1901–2000 average, at Mowbray Mountain’s spot on NOAA’s grid

Year to year

How much a month can swing

A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 32° to 51°. July is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Mowbray Mountain’s climate

What is the coldest month in Mowbray Mountain?

January, with a typical high of 47° and a low of 29°.

What is the hottest month in Mowbray Mountain?

July, with a typical high of 85° and a low of 66°. About 17 days a year reach 90°.

How much snow does Mowbray Mountain get?

About 4 inches in a normal winter, most of it in February.

When is the first frost in Mowbray Mountain?

In half of years the first 32° night comes by October 29, and the last spring frost by April 7.

What is the rainiest month in Mowbray Mountain?

December, with 6.4 inches of rain and melted snow. The year totals 62 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Mowbray Mountain itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Soddy Daisy-mowbray Mtn, TN (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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