Harrisburg weather in April: Harrisburg, Pennsylvania: normal highs, lows, rain and records for April
Harrisburg in April has a normal high of 65°F and a normal low of 43°F, a daily mean of 54°F, rising from 59°F on the 1st to 70°F by the 30th. Measurable precipitation falls on 12 days in a normal April, 3.70 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 18°C and low of 6°C, 94 mm of precipitation in April.
- NOAA stationHarrisburg Capitol Cy Airport
- Station IDUSW00014751
- Location40.22°N 76.85°W
- Elevation340 ft (104 m)
- From the center4 miles
- Population50,649
- Jan 40° 25°
- Feb 43° 26°
- Mar 53° 34°
- Apr 65° 43°
- May 75° 53°
- Jun 83° 63°
- Jul 88° 67°
- Aug 85° 66°
- Sep 79° 58°
- Oct 67° 47°
- Nov 55° 37°
- Dec 44° 30°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Harrisburg in April?
The normal high is 65°F and the normal low 43°F, for a daily mean of 54.1°F. April is 10.9°F warmer than March and 9.9°F cooler than May. April is the 7th warmest month of the year in Harrisburg and the 4th wettest. Across the month the normal high rises 11°F, from 59°F on April 1 to 70°F on April 30. From one year to the next April's mean temperature typically moves about 2.2°F either way (NOAA's standard deviation), so roughly two Aprils in three average between 52°F and 56°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 | 59°F | 39°F | 38% | 21% |
| April 8 | 62°F | 41°F | 39% | 23% |
| April 15 | 65°F | 43°F | 40% | 24% |
| April 22 | 68°F | 45°F | 42% | 25% |
| April 30 | 70°F | 48°F | 43% | 25% |
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 | 59°F | 39°F | 38% | 21% | 12 h 40 min |
| April 2 | 60°F | 39°F | 38% | 22% | 12 h 40 min |
| April 3 | 60°F | 40°F | 38% | 22% | 12 h 40 min |
| April 4 | 60°F | 40°F | 38% | 22% | 12 h 50 min |
| April 5 | 61°F | 40°F | 38% | 22% | 12 h 50 min |
| April 6 | 61°F | 40°F | 38% | 22% | 12 h 50 min |
| April 7 | 62°F | 41°F | 39% | 23% | 12 h 50 min |
| April 8 | 62°F | 41°F | 39% | 23% | 13 h |
| April 9 | 62°F | 41°F | 39% | 23% | 13 h |
| April 10 | 63°F | 42°F | 39% | 23% | 13 h |
| April 11 | 63°F | 42°F | 39% | 23% | 13 h |
| April 12 | 64°F | 42°F | 40% | 23% | 13 h 10 min |
| April 13 | 64°F | 43°F | 40% | 23% | 13 h 10 min |
| April 14 | 65°F | 43°F | 40% | 24% | 13 h 10 min |
| April 15 | 65°F | 43°F | 40% | 24% | 13 h 10 min |
| April 16 | 65°F | 43°F | 40% | 24% | 13 h 20 min |
| April 17 | 66°F | 44°F | 41% | 24% | 13 h 20 min |
| April 18 | 66°F | 44°F | 41% | 24% | 13 h 20 min |
| April 19 | 66°F | 44°F | 41% | 24% | 13 h 20 min |
| April 20 | 67°F | 45°F | 41% | 24% | 13 h 30 min |
| April 21 | 67°F | 45°F | 42% | 24% | 13 h 30 min |
| April 22 | 68°F | 45°F | 42% | 25% | 13 h 30 min |
| April 23 | 68°F | 46°F | 42% | 25% | 13 h 30 min |
| April 24 | 68°F | 46°F | 42% | 25% | 13 h 40 min |
| April 25 | 69°F | 46°F | 42% | 25% | 13 h 40 min |
| April 26 | 69°F | 47°F | 42% | 25% | 13 h 40 min |
| April 27 | 69°F | 47°F | 42% | 25% | 13 h 40 min |
| April 28 | 70°F | 47°F | 42% | 25% | 13 h 50 min |
| April 29 | 70°F | 48°F | 43% | 25% | 13 h 50 min |
| April 30 | 70°F | 48°F | 43% | 25% | 13 h 50 min |
- Normal high
- 65°FApril average
- Normal low
- 43°FApril average
- Precipitation
- 3.70 inmonth total
- Days with precipitation
- 120.01 inch or more
- Nights at 32°F or colder
- 3
- Daylight
- 12 h 40 min to 13 h 50 minApril 1 to April 30
- Days at 70°F or more
- 10
- Days at 80°F or more
- 3
- Sunshine
- 69%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014751; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Harrisburg 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, 3.70 in falls on 12 days of a normal April, 1 of them with an inch or more.
In a normal April in Harrisburg, 3 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014751.
What are the records for April in Harrisburg?
The warmest April temperature on this station's record (since 1939) is 93°F, on April 22, 1985; the coldest is 19°F, on April 7, 1982. The wettest April brought 10.55 in (2011); the snowiest, 10.2 inches (1982).
The April mean against the 1991-2020 normal of 54.1°F: 2021 55.0°F (+0.9), 2022 53.1°F (−1.0), 2023 59.6°F (+5.5), 2024 57.0°F (+2.9), 2025 56.0°F (+1.9), 2026 56.4°F (+2.3). 5 of 6 ran warmer than normal.
| April | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 55.0°F | +0.9°F | 2.08 in |
| 2022 | 53.1°F | −1.0°F | 3.52 in |
| 2023 | 59.6°F | +5.5°F | 5.62 in |
| 2024 | 57.0°F | +2.9°F | 3.94 in |
| 2025 | 56.0°F | +1.9°F | 1.72 in |
| 2026 | 56.4°F | +2.3°F | 2.70 in |
Source: records: ACIS, station USW00014751; recent months: ACIS, station USW00014751. Records and recent months use complete months only.
How does April in Harrisburg compare across Pennsylvania?
Across the 108 places PlainClimate covers in Pennsylvania, April normal highs run from 54°F in Laporte to 67°F in Schenley; Harrisburg's is 65°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.