Campbelltown, Pennsylvania Climate
United States
Pop. 3,616 Elev. 139 m / 456 ft
TZ: America/New_York (UTC-4) ·
Campbelltown sees warm summers peaking at 87°F (31°C) in July, and frigid winters that bottom out around 23°F (-5°C) in January. Humidity pushes the summer feels-like temperature to 99°F (37°C), while wind chill can drive winter lows to 15°F (-9°C). Precipitation occurs on roughly 62 days per year (36.5 in / 928 mm total), with snow on 6 days and 26 in (669 mm) of annual accumulation. The city averages 115 sunny days per year and around 35 thunderstorm days. Nearby lake water reaches 80°F (27°C) in summer.
| Temperature | 87°F (31°C) high | 23°F (-5°C) low |
| Feels like | 99°F (37°C) high | 15°F (-9°C) low |
| Rain | 62 days | 36.5 in (928 mm) /yr |
| Snow | 6 days | 26.3 in (669 mm) /yr |
| Sky | 115 sunny | 35 stormy |
| Wind | 2.4 mph (1.1 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 (%)
45
Jan 66
Feb 46
Mar 69
Apr 74
May 62
Jun 60
Jul 49
Aug 59
Sep 41
Oct 58
Nov 64
Dec Humidity (%)
54
Jan 56
Feb 49
Mar 53
Apr 68
May 70
Jun 73
Jul 66
Aug 65
Sep 64
Oct 60
Nov 62
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 11 mi Harrisburg International Airport (MDT)
Ski resort 22 mi Roundtop Mountain Resort
National park 71 mi Appalachian National Scenic Trail
Mountain peak
(5,102 ft) 298 mi Algonquin Peak
Hospital 5 mi Penn State Health Children's Hospital
Hiking trail 7 mi
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 35°F 2°C | 23°F -5°C | 0.5 in 11 mm | 7.5 in189 mm | 16 |
| February | 41°F 5°C | 28°F -2°C | 2.1 in 53 mm | 8.5 in217 mm | 6 |
| March | 59°F 15°C | 38°F 4°C | 2.3 in 59 mm | 0.0 in0 mm | 14 |
| April | 65°F 18°C | 47°F 8°C | 3.8 in 97 mm | — | 4 |
| May | 72°F 22°C | 56°F 13°C | 7.3 in 187 mm | — | 3 |
| June | 83°F 28°C | 65°F 18°C | 4.6 in 117 mm | — | 9 |
| July | 87°F 31°C | 71°F 22°C | 5.6 in 143 mm | — | 7 |
| August | 81°F 27°C | 63°F 17°C | 1.1 in 29 mm | — | 15 |
| September | 79°F 26°C | 60°F 16°C | 2.7 in 70 mm | — | 11 |
| October | 66°F 19°C | 47°F 9°C | 3.0 in 77 mm | — | 16 |
| November | 53°F 12°C | 39°F 4°C | 1.5 in 39 mm | 0.2 in6 mm | 8 |
| December | 38°F 4°C | 26°F -3°C | 1.8 in 47 mm | 10.1 in257 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 0 |
| February | 6 | 0 |
| March | 14 | 2 |
| April | 4 | 4 |
| May | 3 | 8 |
| June | 9 | 7 |
| July | 7 | 7 |
| August | 15 | 1 |
| September | 11 | 4 |
| October | 16 | 1 |
| November | 8 | 0 |
| December | 6 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 0°C |
| February | 32°F 0°C |
| March | 45°F 7°C |
| April | 54°F 12°C |
| May | 63°F 17°C |
| June | 74°F 23°C |
| July | 80°F 27°C |
| August | 73°F 23°C |
| September | 69°F 20°C |
| October | 56°F 14°C |
| November | 44°F 6°C |
| December | 32°F 0°C |