Caln, Pennsylvania Climate
United States
Pop. 1,519 Elev. 99 m / 325 ft
TZ: America/New_York (UTC-4) ·
Summers in Caln are warm, with July highs around 87°F (31°C), while winters are cold with January lows of 24°F (-4°C). Humidity pushes the summer feels-like temperature to 99°F (37°C), while wind chill can drive winter lows to 16°F (-9°C). Expect around 61 rainy days annually (39.7 in / 1008 mm total), with snow on 5 days and 23 in (581 mm) of annual accumulation. The city averages 121 sunny days per year and around 32 thunderstorm days. Nearby lake water reaches 80°F (27°C) in summer.
| Temperature | 87°F (30°C) high | 24°F (-4°C) low |
| Feels like | 99°F (37°C) high | 16°F (-9°C) low |
| Rain | 61 days | 39.7 in (1008 mm) /yr |
| Snow | 5 days | 22.9 in (581 mm) /yr |
| Sky | 121 sunny | 32 stormy |
| Wind | 2.8 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 (%)
40
Jan 62
Feb 47
Mar 68
Apr 74
May 65
Jun 61
Jul 51
Aug 59
Sep 44
Oct 54
Nov 62
Dec Humidity (%)
52
Jan 55
Feb 50
Mar 54
Apr 69
May 71
Jun 74
Jul 68
Aug 70
Sep 64
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 23 mi Wilmington Airport (ILG)
Ski resort 26 mi Spring Mountain Ski Area
National park 92 mi Greenbelt Park
Mountain peak
(4,971 ft) 300 mi Schofield Cobble
Hospital 1 mi Coatesville Comprehensive Treatment Center
Hiking trail 2 mi South Loop
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 36°F 2°C | 24°F -4°C | 0.5 in 12 mm | 7.8 in199 mm | 16 |
| February | 42°F 6°C | 29°F -2°C | 2.3 in 59 mm | 6.8 in174 mm | 6 |
| March | 59°F 15°C | 39°F 4°C | 3.3 in 83 mm | — | 14 |
| April | 65°F 18°C | 48°F 9°C | 3.6 in 92 mm | 0.4 in11 mm | 5 |
| May | 71°F 22°C | 56°F 13°C | 6.9 in 176 mm | — | 4 |
| June | 82°F 28°C | 66°F 19°C | 3.5 in 89 mm | — | 8 |
| July | 87°F 30°C | 71°F 22°C | 7.9 in 201 mm | — | 8 |
| August | 80°F 27°C | 63°F 17°C | 1.2 in 30 mm | — | 13 |
| September | 78°F 25°C | 61°F 16°C | 3.8 in 96 mm | — | 11 |
| October | 66°F 19°C | 48°F 9°C | 3.1 in 79 mm | — | 14 |
| November | 54°F 12°C | 39°F 4°C | 1.9 in 49 mm | 0.0 in1 mm | 14 |
| December | 39°F 4°C | 27°F -3°C | 1.6 in 41 mm | 7.7 in196 mm | 8 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 16 | 0 |
| February | 6 | 1 |
| March | 14 | 2 |
| April | 5 | 2 |
| May | 4 | 7 |
| June | 8 | 4 |
| July | 8 | 7 |
| August | 13 | 2 |
| September | 11 | 5 |
| October | 14 | 1 |
| November | 14 | 0 |
| December | 8 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 0°C |
| February | 32°F 0°C |
| March | 46°F 8°C |
| April | 55°F 13°C |
| May | 64°F 18°C |
| June | 74°F 23°C |
| July | 80°F 27°C |
| August | 73°F 23°C |
| September | 69°F 21°C |
| October | 57°F 14°C |
| November | 44°F 7°C |
| December | 33°F 0°C |