Carbondale weather in April: Carbondale, Illinois: normal highs, lows, rain and records for April
Carbondale in April has a normal high of 68°F and a normal low of 45°F, a daily mean of 57°F, rising from 63°F on the 1st to 73°F by the 30th. Measurable precipitation falls on 11 days in a normal April, 5.34 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 20°C and low of 7°C, 136 mm of precipitation in April.
- NOAA stationCarbondale Southern Illinois Airport
- Station IDUSW00093810
- Location37.78°N 89.25°W
- Elevation406 ft (124 m)
- From the center4 miles
- Population22,223
- Jan 42° 25°
- Feb 47° 28°
- Mar 57° 36°
- Apr 68° 45°
- May 77° 55°
- Jun 86° 64°
- Jul 88° 68°
- Aug 87° 65°
- Sep 81° 56°
- Oct 70° 45°
- Nov 56° 35°
- Dec 46° 28°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Carbondale in April?
The normal high is 68°F and the normal low 45°F, for a daily mean of 56.7°F. April is 10.2°F warmer than March and 9.5°F cooler than May. April is the 7th warmest month of the year in Carbondale and the wettest. Across the month the normal high rises 10°F, from 63°F on April 1 to 73°F on April 30. From one year to the next April's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 54°F and 60°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 43%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| April 1 | 63°F | 41°F | 38% | 23% |
| April 8 | 66°F | 43°F | 38% | 24% |
| April 15 | 68°F | 45°F | 39% | 25% |
| April 22 | 70°F | 47°F | 41% | 27% |
| April 30 | 73°F | 50°F | 43% | 28% |
Every day of April: normal high, low and chance of precipitation (warmest afternoon April 30, coldest night April 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| April 1 | 63°F | 41°F | 38% | 23% | 12 h 30 min |
| April 2 | 64°F | 41°F | 38% | 23% | 12 h 40 min |
| April 3 | 64°F | 41°F | 38% | 24% | 12 h 40 min |
| April 4 | 64°F | 42°F | 38% | 24% | 12 h 40 min |
| April 5 | 65°F | 42°F | 38% | 24% | 12 h 40 min |
| April 6 | 65°F | 42°F | 38% | 24% | 12 h 50 min |
| April 7 | 65°F | 42°F | 38% | 24% | 12 h 50 min |
| April 8 | 66°F | 43°F | 38% | 24% | 12 h 50 min |
| April 9 | 66°F | 43°F | 38% | 24% | 12 h 50 min |
| April 10 | 66°F | 43°F | 38% | 24% | 13 h |
| April 11 | 67°F | 44°F | 38% | 24% | 13 h |
| April 12 | 67°F | 44°F | 38% | 24% | 13 h |
| April 13 | 68°F | 44°F | 39% | 25% | 13 h |
| April 14 | 68°F | 45°F | 39% | 25% | 13 h 10 min |
| April 15 | 68°F | 45°F | 39% | 25% | 13 h 10 min |
| April 16 | 68°F | 45°F | 39% | 25% | 13 h 10 min |
| April 17 | 69°F | 46°F | 39% | 25% | 13 h 10 min |
| April 18 | 69°F | 46°F | 40% | 26% | 13 h 20 min |
| April 19 | 69°F | 46°F | 40% | 26% | 13 h 20 min |
| April 20 | 70°F | 47°F | 40% | 26% | 13 h 20 min |
| April 21 | 70°F | 47°F | 41% | 27% | 13 h 20 min |
| April 22 | 70°F | 47°F | 41% | 27% | 13 h 20 min |
| April 23 | 71°F | 48°F | 42% | 27% | 13 h 30 min |
| April 24 | 71°F | 48°F | 42% | 27% | 13 h 30 min |
| April 25 | 71°F | 48°F | 42% | 28% | 13 h 30 min |
| April 26 | 71°F | 49°F | 42% | 28% | 13 h 30 min |
| April 27 | 72°F | 49°F | 43% | 28% | 13 h 40 min |
| April 28 | 72°F | 49°F | 43% | 28% | 13 h 40 min |
| April 29 | 72°F | 50°F | 43% | 28% | 13 h 40 min |
| April 30 | 73°F | 50°F | 43% | 28% | 13 h 40 min |
- Normal high
- 68°FApril average
- Normal low
- 45°FApril average
- Precipitation
- 5.34 inmonth total
- Days with precipitation
- 110.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 12 h 30 min to 13 h 40 minApril 1 to April 30
- Days at 70°F or more
- 15
- Days at 80°F or more
- 4
- Sunshine
- 73%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00093810; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Carbondale in April?
On a given April day the chance of 0.01 inch or more is 40% on average, highest around April 30 (43%). In all, 5.34 in falls on 11 days of a normal April, 2 of them with an inch or more.
In a normal April in Carbondale, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00093810.
What are the records for April in Carbondale?
The warmest April temperature on Carbondale's official record (since 1898) is 92°F, on April 28, 1915; the coldest is 20°F, on April 1, 1954. The wettest April brought 13.50 in (2011); the snowiest, 9.0 inches (1971).
The April mean against the 1991-2020 normal of 56.7°F: 2021 55.4°F (−1.3), 2022 55.8°F (−0.9), 2023 57.3°F (+0.6), 2024 60.2°F (+3.5), 2025 60.3°F (+3.6), 2026 64.4°F (+7.7). 4 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 55.4°F | −1.3°F | 2.96 in |
| 2022 | 55.8°F | −0.9°F | 4.32 in |
| 2023 | 57.3°F | +0.6°F | 4.24 in |
| 2024 | 60.2°F | +3.5°F | 4.75 in |
| 2025 | 60.3°F | +3.6°F | 9.40 in |
| 2026 | 64.4°F | +7.7°F | 3.24 in |
Source: records: ACIS, NWS threaded record MDHthr; recent months: ACIS, station USW00093810. Records and recent months use complete months only.
How does April in Carbondale compare across Illinois?
Across the 144 places PlainClimate covers in Illinois, April normal highs run from 55°F in Waukegan to 71°F in Anna; Carbondale's is 68°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.