Devon, Pennsylvania Climate
United States
Pop. 1,515 Elev. 159 m / 522 ft
TZ: America/New_York (UTC-4) ·
Summers in Devon are warm, with July highs around 88°F (31°C), while winters are cold with January lows of 25°F (-4°C). Humidity pushes the summer feels-like temperature to 100°F (38°C), while wind chill can drive winter lows to 17°F (-8°C). Expect around 61 rainy days annually (38.9 in / 988 mm total), with snow on 4 days and 22 in (552 mm) of annual accumulation. The city averages 124 sunny days per year and around 32 thunderstorm days. Ocean water temperatures reach 84°F (29°C) in summer.
| Temperature | 88°F (31°C) high | 25°F (-4°C) low |
| Feels like | 100°F (38°C) high | 17°F (-8°C) low |
| Rain | 61 days | 38.9 in (988 mm) /yr |
| Snow | 4 days | 21.7 in (552 mm) /yr |
| Sky | 124 sunny | 32 stormy |
| Wind | 2.9 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Apr, Jun, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
39
Jan 62
Feb 47
Mar 68
Apr 74
May 65
Jun 61
Jul 49
Aug 59
Sep 44
Oct 53
Nov 60
Dec Humidity (%)
52
Jan 55
Feb 50
Mar 54
Apr 68
May 69
Jun 72
Jul 66
Aug 69
Sep 63
Oct 59
Nov 61
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 16 mi Philadelphia International Airport (PHL)
Ski resort 15 mi Spring Mountain Ski Area
National park 117 mi Harriet Tubman Underground Railroad National Monument
Mountain peak
(4,971 ft) 291 mi Schofield Cobble
Hospital 3 mi
Hiking trail 4 mi Important Bird Area Hike
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 36°F 2°C | 25°F -4°C | 0.5 in 13 mm | 7.3 in186 mm | 17 |
| February | 43°F 6°C | 30°F -1°C | 2.3 in 57 mm | 6.8 in172 mm | 8 |
| March | 59°F 15°C | 39°F 4°C | 3.5 in 88 mm | — | 14 |
| April | 65°F 18°C | 48°F 9°C | 3.7 in 94 mm | 0.5 in12 mm | 4 |
| May | 72°F 22°C | 57°F 14°C | 6.3 in 161 mm | — | 5 |
| June | 83°F 28°C | 66°F 19°C | 3.1 in 80 mm | — | 8 |
| July | 88°F 31°C | 72°F 22°C | 7.6 in 193 mm | — | 8 |
| August | 81°F 27°C | 63°F 17°C | 1.3 in 32 mm | — | 13 |
| September | 78°F 26°C | 61°F 16°C | 3.7 in 94 mm | — | 11 |
| October | 66°F 19°C | 49°F 9°C | 3.2 in 81 mm | — | 13 |
| November | 54°F 12°C | 40°F 4°C | 1.9 in 50 mm | 0.0 in1 mm | 14 |
| December | 40°F 4°C | 27°F -3°C | 1.7 in 44 mm | 7.2 in182 mm | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 17 | 0 |
| February | 8 | 1 |
| March | 14 | 2 |
| April | 4 | 2 |
| May | 5 | 7 |
| June | 8 | 4 |
| July | 8 | 7 |
| August | 13 | 3 |
| September | 11 | 5 |
| October | 13 | 1 |
| November | 14 | 0 |
| December | 9 | 0 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 42°F 6°C | 33°F 0°C |
| February | 39°F 4°C | 33°F 0°C |
| March | 49°F 9°C | 46°F 8°C |
| April | 59°F 15°C | 55°F 13°C |
| May | 68°F 20°C | 64°F 18°C |
| June | 80°F 26°C | 74°F 23°C |
| July | 84°F 29°C | 80°F 27°C |
| August | 83°F 28°C | 73°F 23°C |
| September | 74°F 23°C | 69°F 21°C |
| October | 72°F 22°C | 57°F 14°C |
| November | 57°F 14°C | 45°F 7°C |
| December | 46°F 8°C | 33°F 1°C |