What's the best month to run in Nashville?

November. Typical daytime Run Scores average 94 (Great), the best of the year, with temperatures around 53°F (11°C).

When is it too hot to run in Nashville?

July is the toughest month: typical temperatures near 79°F (26°C) with very humid dew points around 70°F. On days like that, run in the 6–7 AM window and ease off the pace.

What time of day is best for running in Nashville?

In the warm months the kindest window is typically early morning. Across the year the highest-scoring hours cluster early; the month-by-month table above lists the best window for each month.

When is the best time to run in Nashville?

It depends on the day. Humid Southern summers. Dew points climb through June–August and the heat lingers into the evening: dawn is the honest window. Run the calculator above and it returns today's highest-scoring window for Nashville: usually early morning or evening when heat and dew point are lowest. Tap any hour to see the full breakdown.

What is a good Run Score?

Scores run 0–100. 80–100 is Great (97+ earns a gold star for near-perfect conditions). 65–79 (Good) is solid. 55–64 (Fair) or 45–54 (Tough) means at least one factor (usually heat or dew point) is slowing you. Below 45 (Poor), expect a noticeably harder effort or hold back for safety.

Why does dew point matter more than temperature?

Your body cools by evaporating sweat. When the dew point climbs above roughly 60°F, the air is too saturated for sweat to evaporate efficiently, so heat builds up even if the thermometer looks reasonable. That's why a 70°F muggy morning can feel harder than a dry 80°F afternoon.

How is this different from a normal weather app?

A weather app tells you the conditions. This calculator translates them into a running decision: a single score, the best hour to head out, and a concrete pace adjustment in seconds per mile, all from the same scoring engine that powers the RunWeather app.

Is the running weather calculator free?

Yes. The calculator is completely free to use, with no account required. The RunWeather app adds Strava sync, multi-day planning, and personalized scoring on top of the same model.

When should I run in Nashville today?

Humid Southern summers. Dew points climb through June–August and the heat lingers into the evening: dawn is the honest window. Live Run Score for Nashville, every hour today, from the same engine as the RunWeather app.

QR code that opens RunWeather in your phone's app store

On a computer? Scan with your phone camera to get the app.

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One check a day, done for you

When to go
Every hour gets a Run Score. On this Austin day the best was 7 am at 94.
Why it feels hard
Tap any hour: what's against you and how much slower the same effort runs.
On your home screen
Widgets and a morning alert, no app to open.

RunWeather Today in Austin at 7 am: Run Score 94, great day to run

7 am · score 94

Why this score: 57 out of 100, 6.8% slower for the same effort, temperature is the biggest drag

3 pm · 6.8% slower

Typical running conditions in Nashville

Across a typical year, the best running weather in Nashville lands in November, when daytime Run Scores average 94 (Great). The hardest stretch is July, with temperatures around 79°F (26°C) and very humid dew points near 70°F. The stickiest month is July (dew point 70°F). Year-round, Nashville averages a 74 Run Score. Everything below is the typical pattern by month and by hour of day, scored with the same engine as the live calculator above, so you can plan the season and the time of day, not just today.

Best time to run in Nashville, by season

When the kindest window falls shifts with the season. Typical Run Score and the best time of day for each.

Winter

Best midday

Winter in Nashville averages a 86 Run Score (Great); the kindest window is typically midday, with temperatures around 6°C and comfortable dew points.

Spring

Best early morning

Spring in Nashville averages a 81 Run Score (Great); the kindest window is typically early morning, with temperatures around 16°C and comfortable dew points.

Summer

Best early morning

Summer in Nashville averages a 51 Run Score (Mixed); the kindest window is typically early morning, with temperatures around 26°C and sticky dew points.

Autumn

Best early morning

Autumn in Nashville averages a 80 Run Score (Great); the kindest window is typically early morning, with temperatures around 17°C and comfortable dew points.

Nashville running weather, month by month

Typical temperature, dew point, and Run Score for each month, plus the best window of the day. Based on 2022–2024 history.

Month	Avg temp	Dew point	Typical Run Score	Best window
January	38°F (Cold)	31°F (Comfortable)	79 Good	12–4 PM
February	46°F (Cool)	36°F (Comfortable)	90 Great	9 AM–9 PM
March	52°F (Ideal)	41°F (Comfortable)	91 Great	7 AM–1 PM
April	59°F (Warm)	47°F (Comfortable)	85 Great	6–9 AM
May	69°F (Warm)	60°F (Pleasant)	66 Good	6–7 AM
June	77°F (Warm)	64°F (Noticeable)	55 Fair	6–7 AM
July	79°F (Hot)	70°F (Very humid)	45 Tough	6–7 AM
August	78°F (Hot)	68°F (Sticky)	52 Tough	6–8 AM
September	72°F (Warm)	61°F (Noticeable)	63 Fair	6–7 AM
October	62°F (Warm)	49°F (Comfortable)	82 Great	6–8 AM
November	53°F (Ideal)	42°F (Comfortable)	94 Great	6–11 AM
December	44°F (Cool)	35°F (Comfortable)	88 Great	10 AM–5 PM

Climate data by Open-Meteo.com, from Copernicus ERA5 reanalysis, hourly 2022–2024 (CC BY 4.0). RunWeather computed the Run Scores, best windows and monthly averages from it.

Dew point is the real story in Nashville

Dew point (not the thermometer) decides how hard a run feels. The muggiest month in Nashville is July, when the typical dew point reaches 70°F (21°C) (very humid). At that point sweat stops evaporating efficiently, so even a moderate temperature feels brutal. Compare that with November, the easiest month, when dew points sit near 42°F and the same effort feels far lighter. The hour-by-hour scores above already fold this in.

Running in Nashville, month by month

Typical conditions and the best time to run for each month of the year.

Nashville in January79 Nashville in February90 Nashville in March91 Nashville in April85 Nashville in May66 Nashville in June55 Nashville in July45 Nashville in August52 Nashville in September63 Nashville in October82 Nashville in November94 Nashville in December88

Races in Nashville

Race-morning weather by year and a pace plan for each race.

Nashville Half Marathon24 October 2026

By city

Best time to run, by city

What the calculator scores
Eight signals, weighted by how much each changes a run
Temperature. Performance peaks near 50–54°F. Every degree above that works your cooling system harder and slows the pace you can hold at the same effort.
Dew point. The real humidity signal. Above ~60°F dew point, sweat stops evaporating efficiently: the single biggest hidden driver of a hard summer run.
Wind. Sustained wind and gusts feed drag and thermal estimates. This public calculator uses a default route-exposure assumption because it does not know your running direction.
Heat stress. How hard heat, humidity, sun, and wind hit your body, combined into one number (wet-bulb globe temperature), the same metric race directors use to flag risk.
Solar exposure. Direct radiation on a shadeless route can feel far hotter than the air temperature. Cloud cover and sun angle are factored in.
Precipitation. Rain probability and intensity affect footing, comfort, and gear, weighted by how likely it is during your window.
Air quality. US AQI is folded in so sensitive runners get a clear signal when particulates make hard efforts a bad idea.
Pace adjustment. The output you actually use: how many seconds per mile to ease off today so your effort (not the clock) stays honest.
Enter your city. Search any city worldwide. RunWeather pulls the live local forecast: temperature, dew point, wind, sun, and air quality.
Get a 0–100 Run Score. One number that blends performance, safety, and experience (labeled Great, Good, Fair, Tough, or Poor) for the current hour.
Scrub the next 12 hours. Tap any hour to rebuild the full breakdown for that start time, or jump straight to the best window today.
Need a pace target for the heat instead? Try the heat and humidity pace calculator.
Running guides
Heat, humidity, wind, cold
Questions runners ask
8 questions
What's the best month to run in Nashville?
November. Typical daytime Run Scores average 94 (Great), the best of the year, with temperatures around 53°F (11°C).
When is it too hot to run in Nashville?
July is the toughest month: typical temperatures near 79°F (26°C) with very humid dew points around 70°F. On days like that, run in the 6–7 AM window and ease off the pace.
What time of day is best for running in Nashville?
In the warm months the kindest window is typically early morning. Across the year the highest-scoring hours cluster early; the month-by-month table above lists the best window for each month.
When is the best time to run in Nashville?
It depends on the day. Humid Southern summers. Dew points climb through June–August and the heat lingers into the evening: dawn is the honest window. Run the calculator above and it returns today's highest-scoring window for Nashville: usually early morning or evening when heat and dew point are lowest. Tap any hour to see the full breakdown.
What is a good Run Score?
Scores run 0–100. 80–100 is Great (97+ earns a gold star for near-perfect conditions). 65–79 (Good) is solid. 55–64 (Fair) or 45–54 (Tough) means at least one factor (usually heat or dew point) is slowing you. Below 45 (Poor), expect a noticeably harder effort or hold back for safety.
Why does dew point matter more than temperature?
Your body cools by evaporating sweat. When the dew point climbs above roughly 60°F, the air is too saturated for sweat to evaporate efficiently, so heat builds up even if the thermometer looks reasonable. That's why a 70°F muggy morning can feel harder than a dry 80°F afternoon.
How is this different from a normal weather app?
A weather app tells you the conditions. This calculator translates them into a running decision: a single score, the best hour to head out, and a concrete pace adjustment in seconds per mile, all from the same scoring engine that powers the RunWeather app.
Is the running weather calculator free?
Yes. The calculator is completely free to use, with no account required. The RunWeather app adds Strava sync, multi-day planning, and personalized scoring on top of the same model.
From the blog
12 posts
All running weather articles

Know your best hour before you head out.

Free on iPhone and Android. No account needed.

On a computer? Scan with your phone camera to get the app.

When should I run in Nashville today?

One check a day, done for you

When to go

Why it feels hard

On your home screen

Typical running conditions in Nashville

Best time to run in Nashville, by season

Winter

Spring

Summer

Autumn

Nashville running weather, month by month

Dew point is the real story in Nashville

Running in Nashville, month by month

Races in Nashville

Best time to run, by city

How the score works

What the calculator scores

Running guides

Questions runners ask

What's the best month to run in Nashville?

When is it too hot to run in Nashville?

What time of day is best for running in Nashville?

When is the best time to run in Nashville?

What is a good Run Score?

Why does dew point matter more than temperature?

How is this different from a normal weather app?

Is the running weather calculator free?

From the blog

Know your best hour before you head out.