Chambersburg, Pennsylvania Climate
United States
Pop. 20,691 Elev. 191 m / 627 ft
TZ: America/New_York (UTC-4) ·
Summers in Chambersburg are warm, with July highs around 87°F (31°C), while winters are frigid with January lows of 20°F (-7°C). Humidity pushes the summer feels-like temperature to 99°F (37°C), while wind chill can drive winter lows to 12°F (-11°C). Expect around 56 rainy days annually (31.6 in / 803 mm total), with snow on 5 days and 27 in (686 mm) of annual accumulation. The city averages 107 sunny days per year and around 31 thunderstorm days.
| Temperature | 87°F (31°C) high | 20°F (-7°C) low |
| Feels like | 99°F (37°C) high | 12°F (-11°C) low |
| Rain | 56 days | 31.6 in (803 mm) /yr |
| Snow | 5 days | 27.0 in (686 mm) /yr |
| Sky | 107 sunny | 31 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 (%)
50
Jan 65
Feb 46
Mar 70
Apr 75
May 59
Jun 58
Jul 51
Aug 60
Sep 42
Oct 55
Nov 69
Dec Humidity (%)
60
Jan 58
Feb 49
Mar 56
Apr 68
May 71
Jun 71
Jul 64
Aug 65
Sep 63
Oct 60
Nov 62
Dec Weather Days by Month
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 16 mi Hagerstown Regional Richard A Henson Field (HGR)
Ski resort 20 mi Whitetail Resort
National park 25 mi Appalachian National Scenic Trail
Mountain peak
(4,928 ft) 306 mi Third Peak
Hospital 1 mi Chambersburg Hospital
Hiking trail 9 mi Three Valley Traill
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 33°F 1°C | 20°F -7°C | 0.3 in 9 mm | 10.5 in266 mm | 12 |
| February | 40°F 5°C | 27°F -3°C | 1.6 in 41 mm | 8.6 in218 mm | 5 |
| March | 59°F 15°C | 38°F 3°C | 1.7 in 44 mm | 0.0 in1 mm | 12 |
| April | 66°F 19°C | 46°F 8°C | 3.0 in 77 mm | — | 4 |
| May | 70°F 21°C | 54°F 12°C | 8.2 in 209 mm | — | 3 |
| June | 82°F 28°C | 64°F 18°C | 3.8 in 98 mm | — | 10 |
| July | 87°F 31°C | 70°F 21°C | 3.5 in 90 mm | — | 7 |
| August | 81°F 27°C | 62°F 16°C | 1.8 in 47 mm | — | 14 |
| September | 78°F 26°C | 58°F 15°C | 1.6 in 41 mm | — | 9 |
| October | 65°F 18°C | 46°F 8°C | 2.6 in 66 mm | — | 15 |
| November | 53°F 11°C | 37°F 3°C | 1.6 in 40 mm | 0.3 in8 mm | 12 |
| December | 39°F 4°C | 25°F -4°C | 1.6 in 41 mm | 7.6 in193 mm | 4 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 12 | 0 |
| February | 5 | 1 |
| March | 12 | 1 |
| April | 4 | 1 |
| May | 3 | 9 |
| June | 10 | 5 |
| July | 7 | 5 |
| August | 14 | 3 |
| September | 9 | 2 |
| October | 15 | 2 |
| November | 12 | 1 |
| December | 4 | 1 |