Duncannon, Pennsylvania Climate
United States
Pop. 1,487 Elev. 112 m / 367 ft
TZ: America/New_York (UTC-4) ·
Duncannon sees warm summers peaking at 86°F (30°C) in July, and frigid winters that bottom out around 23°F (-5°C) in January. Humidity pushes the summer feels-like temperature to 98°F (37°C), while wind chill can drive winter lows to 15°F (-9°C). Precipitation occurs on roughly 60 days per year (35.9 in / 912 mm total), with snow on 4 days and 27 in (683 mm) of annual accumulation. The city averages 102 sunny days per year and around 35 thunderstorm days.
| Temperature | 86°F (30°C) high | 23°F (-5°C) low |
| Feels like | 98°F (37°C) high | 15°F (-9°C) low |
| Rain | 60 days | 35.9 in (912 mm) /yr |
| Snow | 4 days | 26.9 in (683 mm) /yr |
| Sky | 102 sunny | 35 stormy |
| Wind | 2.3 mph (1.0 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
51
Jan 70
Feb 48
Mar 70
Apr 75
May 61
Jun 59
Jul 47
Aug 57
Sep 41
Oct 60
Nov 67
Dec Humidity (%)
55
Jan 57
Feb 50
Mar 54
Apr 70
May 72
Jun 74
Jul 68
Aug 65
Sep 65
Oct 62
Nov 62
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 20 mi Harrisburg International Airport (MDT)
Ski resort 21 mi Roundtop Mountain Resort
National park 63 mi Appalachian National Scenic Trail
Mountain peak
(5,102 ft) 302 mi Algonquin Peak
Hospital 8 mi Penn State Health Hampden Medical Center
Hiking trail 4 mi Airstrip Loop
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 34°F 1°C | 23°F -5°C | 0.4 in 11 mm | 6.6 in168 mm | 10 |
| February | 40°F 4°C | 27°F -3°C | 1.9 in 49 mm | 9.2 in234 mm | 3 |
| March | 59°F 15°C | 38°F 3°C | 2.3 in 59 mm | 0.1 in2 mm | 13 |
| April | 65°F 18°C | 46°F 8°C | 3.8 in 96 mm | — | 5 |
| May | 71°F 21°C | 54°F 12°C | 7.5 in 192 mm | — | 2 |
| June | 82°F 28°C | 64°F 18°C | 5.5 in 139 mm | — | 9 |
| July | 86°F 30°C | 70°F 21°C | 4.5 in 114 mm | — | 6 |
| August | 80°F 27°C | 62°F 17°C | 1.6 in 41 mm | — | 16 |
| September | 79°F 26°C | 59°F 15°C | 1.6 in 40 mm | — | 11 |
| October | 65°F 19°C | 47°F 8°C | 3.7 in 94 mm | — | 15 |
| November | 52°F 11°C | 38°F 3°C | 1.4 in 35 mm | 1.1 in28 mm | 7 |
| December | 38°F 3°C | 25°F -4°C | 1.7 in 42 mm | 9.9 in251 mm | 5 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 10 | 0 |
| February | 3 | 0 |
| March | 13 | 2 |
| April | 5 | 3 |
| May | 2 | 7 |
| June | 9 | 9 |
| July | 6 | 7 |
| August | 16 | 3 |
| September | 11 | 1 |
| October | 15 | 2 |
| November | 7 | 0 |
| December | 5 | 1 |