Climate Insights for Loretto

Teton County, Tennessee, United States

Hottest
July
32°C peak
Coldest
January
2°C low
Wettest
February
210mm rain
Best to Visit
September
Mild temps & low rain

Climate Overview

The climate in Loretto is temperate. The average annual temperature is 17°C and approximately 1520mm of precipitation falls per year. Loretto receives a notable amount of rainfall throughout the year, including during its driest month. Loretto is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, December, February, when temperatures can drop to 2°C. Light snow can occur between January and December.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 11° Average: 6° Min: 2° Feb Max: 15° Average: 10° Min: 6° Mar Max: 19° Average: 13° Min: 8° Apr Max: 23° Average: 16° Min: 11° May Max: 27° Average: 22° Min: 17° Jun Max: 31° Average: 25° Min: 21° Jul Max: 32° Average: 27° Min: 23° Aug Max: 32° Average: 26° Min: 22° Sep Max: 30° Average: 24° Min: 19° Oct Max: 24° Average: 18° Min: 13° Nov Max: 17° Average: 11° Min: 6° Dec Max: 12° Average: 7° Min: 3°
Max
Average
Min

Temperatures in Loretto vary considerably across the year, with a 30°C difference between the coldest and warmest months. The warmest month is July, when average highs reach 32°C and the mean temperature sits around 27°C. January is the coolest month, with minimum temperatures around 2°C and an average of 6°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 7°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 141mm Snow: 2mm Feb Precipitation: 210mm Snow: 1mm Mar Precipitation: 158mm Snow: 0mm Apr Precipitation: 160mm Snow: 0mm May Precipitation: 104mm Snow: 0mm Jun Precipitation: 104mm Snow: 0mm Jul Precipitation: 97mm Snow: 0mm Aug Precipitation: 103mm Snow: 0mm Sep Precipitation: 80mm Snow: 0mm Oct Precipitation: 101mm Snow: 0mm Nov Precipitation: 90mm Snow: 0mm Dec Precipitation: 173mm Snow: 1mm
Precipitation
Snow

Loretto is a fairly wet location, receiving approximately 1520mm of precipitation annually, which averages out to around 127mm per month. The wettest month is February, averaging 210mm of rainfall. December and April also tend to see above-average precipitation. The driest month is September, with just 80mm. That's 130mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall. Light snowfall can occur between January and December, totalling around 5cm annually. January is the snowiest month with approximately 2cm.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 3km/h Feb Wind Speed: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Loretto is relatively calm, with an average annual wind speed of 3km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

83 days until Autumn

It is currently summer in Loretto, which began on June 21, 2026. Loretto is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in July at around 32°C, while the coldest stretch bottoms out in January near 2°C. Autumn is next, beginning on September 23, 2026 — 83 days from now.

Spring

Temperatures range from 8 to 27°C. Rainfall is heavy, totalling around 422mm across the season with a monthly average of 141mm. Winds are generally light, averaging 3km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 32°C. Rainfall is heavy, totalling around 304mm across the season with a monthly average of 101mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 6 to 30°C. Precipitation is moderate at around 270mm for the season, averaging 90mm per month. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 2 to 15°C. Rainfall is heavy, totalling around 524mm across the season with a monthly average of 175mm. Winds are generally light, averaging 3km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan
Feb 10°
Mar 13°
Apr 16°
May 22°
Jun 25°
Jul 27°
Aug 26°
Sep 24°
Oct 18°
Nov 11°
Dec

The best time to visit Loretto is during September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 24°C with modest rainfall averaging 80mm per month. By contrast, July can be uncomfortably hot with highs reaching 32°C, while January is the coldest period with lows dropping to 2°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Loretto based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
2 °C
11 °C
3 km/h
141 mm
2 cm
Feb
6 °C
15 °C
3 km/h
210 mm
1 cm
Mar
8 °C
19 °C
3 km/h
158 mm
0 cm
Apr
11 °C
23 °C
3 km/h
160 mm
0 cm
May
17 °C
27 °C
3 km/h
104 mm
0 cm
Jun
21 °C
31 °C
2 km/h
104 mm
0 cm
Jul Current
23 °C
32 °C
2 km/h
97 mm
0 cm
Aug
22 °C
32 °C
2 km/h
103 mm
0 cm
Sep
19 °C
30 °C
2 km/h
80 mm
0 cm
Oct
13 °C
24 °C
3 km/h
101 mm
0 cm
Nov
6 °C
17 °C
3 km/h
90 mm
0 cm
Dec
3 °C
12 °C
3 km/h
173 mm
1 cm
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