Temperature
Cool by day, cold at night.
Carbondale is usually most comfortable in April, May, September, and October. Typical daytime highs range from 43–89°F across the year. Rain varies by season.

Cool by day, cold at night.
Several rainy days. About 9 wet days this month.
Good sunshine this month.
In November, afternoons feel about 48° and nights feel near 35°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 53°F, easing to about 48°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 43 | 28 | 3.3 | 9 | 6.3 | 69 |
| Feb | 48 | 32 | 3.1 | 9 | 7.1 | 67 |
| Mar | 58 | 40 | 4.2 | 11 | 8.1 | 64 |
| Apr | 69 | 50 | 5.0 | 12 | 9.3 | 63 |
| May | 77 | 60 | 4.6 | 12 | 10.6 | 68 |
| Jun | 85 | 69 | 3.5 | 11 | 12.0 | 68 |
| Jul | 89 | 72 | 3.5 | 10 | 12.4 | 70 |
| Aug | 87 | 70 | 2.7 | 8 | 11.6 | 70 |
| Sep | 81 | 62 | 3.0 | 8 | 10.1 | 69 |
| Oct | 70 | 51 | 3.6 | 8 | 8.5 | 68 |
| Nov | 56 | 40 | 3.8 | 9 | 6.7 | 68 |
| Dec | 46 | 32 | 3.3 | 9 | 5.8 | 72 |
Similar climates
Want a side-by-side climate view? Compare Carbondale with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology