Fullerton, Pennsylvania Climate
United States
Pop. 14,925 Elev. 114 m / 374 ft
TZ: America/New_York (UTC-4) ·
Summers in Fullerton are warm, with July highs around 87°F (31°C), while winters are frigid with January lows of 22°F (-6°C). Humidity pushes the summer feels-like temperature to 98°F (37°C), while wind chill can drive winter lows to 13°F (-11°C). Expect around 57 rainy days annually (37.2 in / 944 mm total), with snow on 6 days and 34 in (870 mm) of annual accumulation. The city averages 113 sunny days per year and around 26 thunderstorm days.
| Temperature | 87°F (31°C) high | 22°F (-6°C) low |
| Feels like | 98°F (37°C) high | 13°F (-10°C) low |
| Rain | 57 days | 37.2 in (944 mm) /yr |
| Snow | 6 days | 34.3 in (870 mm) /yr |
| Sky | 113 sunny | 26 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 (%)
45
Jan 66
Feb 49
Mar 68
Apr 74
May 66
Jun 61
Jul 45
Aug 57
Sep 40
Oct 57
Nov 62
Dec Humidity (%)
54
Jan 56
Feb 51
Mar 53
Apr 69
May 70
Jun 68
Jul 60
Aug 61
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 2 mi Lehigh Valley International Airport (ABE)
Ski resort 13 mi Blue Mountain Resort
National park 137 mi Greenbelt Park
Mountain peak
(4,971 ft) 253 mi Schofield Cobble
Hospital 2 mi St. Luke’s Sacred Heart Campus
Hiking trail 6 mi South Bethlehem Greenway
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 34°F 1°C | 22°F -6°C | 0.6 in 14 mm | 5.5 in139 mm | 14 |
| February | 39°F 4°C | 27°F -3°C | 2.1 in 53 mm | 12.1 in307 mm | 5 |
| March | 57°F 14°C | 36°F 2°C | 3.1 in 80 mm | 0.3 in6 mm | 14 |
| April | 63°F 17°C | 44°F 7°C | 4.0 in 101 mm | 1.4 in37 mm | 4 |
| May | 70°F 21°C | 53°F 12°C | 7.4 in 188 mm | — | 4 |
| June | 81°F 27°C | 63°F 17°C | 3.9 in 99 mm | — | 8 |
| July | 87°F 31°C | 69°F 21°C | 4.7 in 120 mm | — | 8 |
| August | 82°F 28°C | 60°F 16°C | 1.3 in 33 mm | — | 14 |
| September | 79°F 26°C | 58°F 15°C | 2.5 in 65 mm | — | 9 |
| October | 65°F 18°C | 45°F 7°C | 4.0 in 101 mm | — | 17 |
| November | 51°F 11°C | 36°F 2°C | 1.8 in 46 mm | 2.3 in59 mm | 10 |
| December | 36°F 2°C | 23°F -5°C | 1.8 in 45 mm | 12.7 in321 mm | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 14 | 0 |
| February | 5 | 1 |
| March | 14 | 2 |
| April | 4 | 3 |
| May | 4 | 4 |
| June | 8 | 4 |
| July | 8 | 6 |
| August | 14 | 2 |
| September | 9 | 2 |
| October | 17 | 1 |
| November | 10 | 0 |
| December | 6 | 1 |