Nashville is 2.5°C (4.5°F) warmer by day, Nashville has 1.2°C (2.2°F) warmer nights, Nashville gets 224 mm (8.8 in) more rain a year.
Nashville is at its warmest in August and coolest in January, while Washington peaks in July and bottoms out in January. Month for month, Nashville is the warmer of the two in 12 of 12 months.
Nashville is the wetter of the two, collecting 1,332 mm (52.4 in) of rain a year against 1,108 mm (43.6 in) in Washington. The most comfortable time to visit is May, June and September in Nashville and May, June and September in Washington.
| Nashville | Metric | Washington |
|---|---|---|
| 🌡️ Temperature | ||
| 68.7°F | 🌡️Average daytime high | 64.2°F |
| 48.6°F | 🌙Average nighttime low | 46.4°F |
| August | 🔥Hottest month | July |
| January | ❄️Coldest month | January |
| 🌧️ Rain | ||
| 52.4 in | 🌧️Annual rainfall | 43.6 in |
| May | ☔Wettest month | July |
| October | 🏜️Driest month | February |
| 💨 Climate | ||
| 77% | 💧Average humidity | 76% |
| 1.7 m/s | 💨Average wind speed | 2.7 m/s |
Overnight, Nashville typically falls to around 9.2°C (48.6°F) while Washington settles near 8°C (46.4°F).
Nashville is hottest in August and coldest in January, whereas Washington peaks in July and is coolest in January.
Nashville sees the most rain in May and the least in October; Washington is wettest in July and driest in February.
Nashville feels the more humid of the two, averaging 77% relative humidity against 76%.
For Washington, the pick of the year is May, June and September.
Month by month, here is the coldest night, the average day and the hottest afternoon each city can expect. Switch Compare to read rainfall, humidity, wind or solar instead, and Period to move between the long-term 45-year average and any single year — the shading is a quick warm-to-cool guide.
| Month | Nashville | Washington | ||||
|---|---|---|---|---|---|---|
| Min | Avg | Max | Min | Avg | Max | |
| January | 27.3 | 36❄️ | 44.6 | 24.8 | 32❄️ | 39.2 |
| February | 30.7 | 40.3 | 49.6 | 26.8 | 34.9 | 43 |
| March | 38.1 | 48.6 | 59 | 33.3 | 42.6 | 52 |
| April | 46.9 | 57.6 | 68 | 42.8 | 52.9 | 63.1 |
| May | 57 | 66.6 | 76.1 | 53.2 | 62.8 | 72.1 |
| June | 65.3 | 74.7 | 83.8 | 63 | 72.3 | 81.5 |
| July | 69.6 | 79.2🔥 | 88.9 | 68.9 | 78.3🔥 | 87.4 |
| August | 68.4 | 79.2 | 90 | 67.5 | 76.8 | 86.2 |
| September | 61 | 72.5 | 84 | 60.4 | 70 | 79.5 |
| October | 49.3 | 60.8 | 72.5 | 48.2 | 57.9 | 67.6 |
| November | 37.9 | 48.7 | 59.4 | 37.6 | 46.4 | 55.2 |
| December | 30.9 | 39.9 | 48.7 | 29.5 | 36.7 | 44.1 |
| Annual Avg | 48.6 | 58.6 | 68.7 | 46.4 | 55.2 | 64.2 |
Min / mean / max temperature (°F). 🔥 marks each city's hottest month, ❄️ its coldest; shading runs cool blue to warm red.
The same figures plotted out, so the shape of a typical year is easier to see than in a grid. Where the two lines run close together Nashville and Washington feel alike; where they separate, they are genuinely different places to be.
Hover or tap any point to read the exact figures. Nashville Washington
See how Nashville and Washington stack up against other cities. Swipe for more.
Choose which city to keep, then search for any other city in our database — we'll build the comparison for you.
Quick answers to the questions people ask most when comparing Nashville and Washington — each drawn straight from the climate figures above.
Nashville is the warmer of the two. It averages daytime highs of 20.4°C (68.7°F) against 17.9°C (64.2°F) in Washington — roughly 2.5°C (4.5°F) warmer by day. Nights are milder in Nashville, with average lows of 9.2°C (48.6°F) versus 8°C (46.4°F).
Nashville is hottest in August, averaging highs of about 32.2°C (90°F), while Washington peaks in July at around 30.8°C (87.5°F). That makes Nashville the hotter of the two at the height of summer.
Washington gets colder. In its coldest month (January) overnight lows average about -4°C (24.8°F), compared with -2.6°C (27.3°F) at the low point of the year in Nashville.
Nashville is the wetter city, collecting about 1,332 mm (52.4 in) of rain a year versus 1,108 mm (43.6 in) in Washington. Nashville is wettest in May and driest in October; Washington is wettest in July and driest in February.
Humidity is similar in both, averaging around 77% in Nashville and 76% in Washington across the year.
The most comfortable months in Nashville are May, June and September, when average temperatures are at their mildest.
Washington is at its most pleasant around May, June and September, based on the mildest average temperatures of the year.
Nashville is the warmer city in all 12 months of the year. The gap is widest in March, about 3.3°C (5.9°F), and narrowest in July, about 0.5°C (0.9°F).
Washington has the bigger seasonal swing, about 25.7°C (46.3°F) between its coldest and hottest months versus 24°C (43.2°F) in Nashville — so Nashville has the steadier, more even climate.
It depends what matters most to you: choose Nashville for warmer weather and pick Washington if you prefer drier conditions. There is no single "better" climate — it comes down to whether you value warmth, dryness or comfort most.
Every figure on this page is calculated from NASA POWER satellite climate data spanning 1981–2025 (45 years). The averages describe the long-term climate of Nashville and Washington, not a single year's weather or a short-range forecast.
