Hellertown, Pennsylvania Climate
United States
Pop. 5,824 Elev. 87 m / 285 ft
TZ: America/New_York (UTC-4) ·
Summers in Hellertown are warm, with July highs around 88°F (31°C), while winters are cold with January lows of 24°F (-4°C). Humidity pushes the summer feels-like temperature to 100°F (38°C), while wind chill can drive winter lows to 16°F (-9°C). Expect around 66 rainy days annually (37.7 in / 957 mm total), with snow on 3 days and 27 in (678 mm) of annual accumulation. The city averages 121 sunny days per year and around 31 thunderstorm days. Nearby lake water reaches 81°F (27°C) in summer.
| Temperature | 88°F (31°C) high | 24°F (-5°C) low |
| Feels like | 100°F (38°C) high | 16°F (-9°C) low |
| Rain | 66 days | 37.7 in (957 mm) /yr |
| Snow | 3 days | 26.7 in (678 mm) /yr |
| Sky | 121 sunny | 31 stormy |
| Wind | 2.7 mph (1.2 m/s) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Aug, Sep, Oct
Sky & Air by Month
Cloud cover (%)
41
Jan 64
Feb 48
Mar 68
Apr 74
May 66
Jun 60
Jul 45
Aug 59
Sep 41
Oct 55
Nov 60
Dec Humidity (%)
52
Jan 55
Feb 51
Mar 54
Apr 69
May 70
Jun 71
Jul 62
Aug 65
Sep 62
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 7 mi Lehigh Valley International Airport (ABE)
Ski resort 19 mi Blue Mountain Resort
National park 138 mi Greenbelt Park
Mountain peak
(4,971 ft) 254 mi Schofield Cobble
Hospital 3 mi Saint Luke's University Hospital - Bethlehem Campus
Hiking trail 2 mi South Bethlehem Greenway
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 35°F 2°C | 24°F -5°C | 0.6 in 15 mm | 5.4 in137 mm | 18 |
| February | 41°F 5°C | 28°F -2°C | 2.3 in 59 mm | 8.8 in223 mm | 5 |
| March | 58°F 15°C | 37°F 3°C | 3.5 in 90 mm | 0.1 in3 mm | 14 |
| April | 64°F 18°C | 46°F 8°C | 4.2 in 106 mm | 1.5 in37 mm | 5 |
| May | 71°F 22°C | 54°F 12°C | 7.0 in 179 mm | — | 4 |
| June | 81°F 27°C | 64°F 18°C | 3.4 in 86 mm | — | 8 |
| July | 88°F 31°C | 70°F 21°C | 5.2 in 133 mm | — | 8 |
| August | 82°F 28°C | 62°F 17°C | 1.2 in 30 mm | — | 15 |
| September | 79°F 26°C | 60°F 15°C | 3.1 in 79 mm | — | 7 |
| October | 66°F 19°C | 47°F 8°C | 3.4 in 85 mm | — | 16 |
| November | 53°F 12°C | 38°F 3°C | 2.1 in 53 mm | 0.8 in21 mm | 12 |
| December | 38°F 4°C | 26°F -4°C | 1.6 in 42 mm | 10.1 in257 mm | 9 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 18 | 0 |
| February | 5 | 1 |
| March | 14 | 2 |
| April | 5 | 3 |
| May | 4 | 5 |
| June | 8 | 7 |
| July | 8 | 5 |
| August | 15 | 2 |
| September | 7 | 3 |
| October | 16 | 2 |
| November | 12 | 0 |
| December | 9 | 1 |
Water Temperatures Data
↑ See chart| Month | Lake Avg High |
|---|---|
| January | 33°F 0°C |
| February | 33°F 0°C |
| March | 47°F 8°C |
| April | 56°F 13°C |
| May | 65°F 18°C |
| June | 74°F 24°C |
| July | 81°F 27°C |
| August | 74°F 23°C |
| September | 70°F 21°C |
| October | 58°F 14°C |
| November | 45°F 7°C |
| December | 33°F 1°C |