Knoxville/Maryville vs Chattanooga: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 139 km apart · long-term climate normals (NASA POWER, 2001–2020)
Knoxville/Maryville and Chattanooga are virtually tied for annual sunshine — about 2,346 vs 2,300 hours a year. Month by month it's balanced: each has the higher Sunshine Score in 4 months, with 4 within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
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At a glance
| Knoxville/Maryville | Chattanooga | |
|---|---|---|
| Sunshine hours / year | 2,346 | 2,300 |
| Sunniest month | October (77/100) | October (76/100) |
| Nov–Feb average score | 20/100 | 24/100 |
| Jun–Aug average score | 71/100 | 67/100 |
| Rain / year | 1,308 mm | 1,354 mm |
| Peak midday UV | 8 (very high) | 8 (very high) |
Knoxville/Maryville vs Chattanooga month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Knoxville/Maryville | Chattanooga | Knoxville/Maryville | Chattanooga | Knoxville/Maryville | Chattanooga | |
| January | 0 | 6 | 8° | 9° | 106 | 109 |
| February | 18 | 23 | 11° | 12° | 121 | 122 |
| March | 48 | 53 | 16° | 17° | 110 | 118 |
| April | 71 | 71 | 21° | 22° | 118 | 115 |
| May | 74 | 71 | 25° | 26° | 104 | 115 |
| June | 72 | 73 | 30° | 31° | 110 | 106 |
| July | 67 | 62 | 31° | 33° | 140 | 127 |
| August | 75 | 67 | 32° | 33° | 94 | 96 |
| September | 75 | 72 | 29° | 30° | 98 | 108 |
| October | 77 | 76 | 22° | 23° | 83 | 89 |
| November | 49 | 48 | 16° | 16° | 100 | 109 |
| December | 12 | 17 | 10° | 11° | 124 | 140 |
The sunnier month by month: Jan Chattanooga · Feb Chattanooga · Mar Chattanooga · Apr even · May Knoxville/Maryville · Jun even · Jul Knoxville/Maryville · Aug Knoxville/Maryville · Sep Knoxville/Maryville · Oct even · Nov even · Dec Chattanooga.
When to pick which
- November–February: Chattanooga (average score 24/100 vs 20). Daytime highs are similar (11°C vs 12°C). See the winter sun ranking.
- March–May: too close to call — Knoxville/Maryville averages 64/100, Chattanooga 65/100. Daytime highs are similar (21°C vs 22°C).
- June–August: Knoxville/Maryville (average score 71/100 vs 67). Daytime highs are similar (31°C vs 32°C).
- September–October: too close to call — Knoxville/Maryville averages 76/100, Chattanooga 74/100. Daytime highs are similar (26°C vs 27°C).
Full month-by-month guides: Knoxville/Maryville weather by month · Chattanooga weather by month · Best time to visit United States.
More comparisons: Knoxville/Maryville vs Asheville · Knoxville/Maryville vs Blountville · Chattanooga vs Atlanta · Chattanooga vs Nashville · Chattanooga vs Huntsville · all head-to-heads