Temperature
Cool by day, cold at night.
Carlinville is usually most comfortable in September and October. Typical daytime highs range from 38–86°F across the year. Rain varies by season.

Cool by day, cold at night.
Several rainy days. About 9 wet days this month.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 44° and nights feel near 31°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 49°F, easing to about 45°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 38 | 23 | 2.6 | 8 | 6.0 | 73 |
| Feb | 43 | 27 | 2.4 | 8 | 7.0 | 70 |
| Mar | 54 | 36 | 3.5 | 11 | 8.1 | 66 |
| Apr | 66 | 46 | 4.7 | 11 | 9.0 | 63 |
| May | 75 | 57 | 5.1 | 13 | 10.4 | 68 |
| Jun | 83 | 66 | 4.2 | 11 | 11.8 | 68 |
| Jul | 86 | 69 | 3.3 | 10 | 12.2 | 71 |
| Aug | 85 | 67 | 3.0 | 9 | 11.6 | 72 |
| Sep | 79 | 59 | 3.3 | 7 | 10.1 | 69 |
| Oct | 67 | 48 | 3.3 | 9 | 8.1 | 68 |
| Nov | 53 | 37 | 3.6 | 9 | 6.6 | 69 |
| Dec | 42 | 28 | 2.4 | 9 | 5.7 | 74 |
Similar climates
Want a side-by-side climate view? Compare Carlinville 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