Chester, Pennsylvania Climate
United States
Pop. 34,092 Elev. 1 m / 3 ft
TZ: America/New_York (UTC-4) ·
Summers in Chester 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 102°F (39°C), while wind chill can drive winter lows to 17°F (-8°C). Expect around 56 rainy days annually (35.7 in / 908 mm total), with snow on 4 days and 19 in (485 mm) of annual accumulation. The city averages 130 sunny days per year and around 29 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 | 102°F (39°C) high | 17°F (-8°C) low |
| Rain | 56 days | 35.7 in (908 mm) /yr |
| Snow | 4 days | 19.1 in (485 mm) /yr |
| Sky | 130 sunny | 29 stormy |
| Wind | 3.0 mph (1.3 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Mar, Apr, Jun, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
40
Jan 60
Feb 47
Mar 68
Apr 73
May 66
Jun 60
Jul 49
Aug 59
Sep 46
Oct 51
Nov 58
Dec Humidity (%)
54
Jan 55
Feb 50
Mar 53
Apr 65
May 67
Jun 71
Jul 66
Aug 70
Sep 62
Oct 57
Nov 61
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 6 mi Philadelphia International Airport (PHL)
Ski resort 30 mi Spring Mountain Ski Area
National park 106 mi Harriet Tubman Underground Railroad National Monument
Mountain peak
(4,971 ft) 304 mi Schofield Cobble
Hospital 1 mi KeyStone Center
Hiking trail 7 mi Pink Hill Trail
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 38°F 3°C | 25°F -4°C | 0.7 in 17 mm | 7.4 in189 mm | 16 |
| February | 44°F 7°C | 31°F -1°C | 2.1 in 53 mm | 5.0 in128 mm | 8 |
| March | 60°F 16°C | 40°F 5°C | 3.5 in 90 mm | — | 14 |
| April | 66°F 19°C | 49°F 9°C | 3.3 in 84 mm | — | 4 |
| May | 74°F 23°C | 58°F 14°C | 5.5 in 139 mm | — | 5 |
| June | 84°F 29°C | 67°F 20°C | 2.7 in 69 mm | — | 9 |
| July | 88°F 31°C | 73°F 23°C | 7.2 in 184 mm | — | 9 |
| August | 82°F 28°C | 64°F 18°C | 1.4 in 35 mm | — | 14 |
| September | 79°F 26°C | 63°F 17°C | 3.3 in 84 mm | — | 12 |
| October | 67°F 20°C | 50°F 10°C | 2.4 in 60 mm | — | 16 |
| November | 56°F 13°C | 41°F 5°C | 1.8 in 46 mm | — | 14 |
| December | 41°F 5°C | 28°F -2°C | 1.9 in 48 mm | 6.6 in168 mm | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 1 |
| February | 8 | 1 |
| March | 14 | 0 |
| April | 4 | 2 |
| May | 5 | 5 |
| June | 9 | 1 |
| July | 9 | 10 |
| August | 14 | 2 |
| September | 12 | 4 |
| October | 16 | 1 |
| November | 14 | 1 |
| December | 9 | 1 |
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 | 47°F 8°C |
| April | 59°F 15°C | 56°F 13°C |
| May | 68°F 20°C | 65°F 18°C |
| June | 80°F 26°C | 74°F 24°C |
| July | 84°F 29°C | 81°F 27°C |
| August | 83°F 28°C | 74°F 23°C |
| September | 74°F 23°C | 70°F 21°C |
| October | 72°F 22°C | 58°F 14°C |
| November | 57°F 14°C | 45°F 7°C |
| December | 46°F 8°C | 33°F 1°C |