Back Mountain Climate by Month
Back Mountain, Pennsylvania, United States
Warm summers and freezing winters, with rain spread through the year.
Warm summers and freezing winters, with rain spread through the year: that's Back Mountain's climate in short. July is the warmest month, with highs around 81°F (27°C); January is the coolest at 33°F (1°C), and nights dip to 17°F (-9°C). It gets 40 in (1014 mm) of rain a year, spread across the months.
- Warmest month
- 81°F(27°C)
- Average high, July
- Coldest nights
- 17°F(-9°C)
- Average low, January
- Rain per year
- 40 in(1014 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: July
Best and worst months in Back Mountain
Best for weatherThe most comfortable weather comes in June, August and September, with highs around 77°F (25°C) and about 4.1 in (105 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 33°F (1°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Back Mountain weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 33°F(1°C) | 17°F(-9°C) | 2.5 in(64 mm) | 66% | 1.6 |
| FebFebruary | 35°F(2°C) | 17°F(-8°C) | 2.4 in(60 mm) | 63% | 2.5 |
| MarMarch | 44°F(7°C) | 25°F(-4°C) | 3.0 in(76 mm) | 74% | 3.4 |
| AprApril | 57°F(14°C) | 35°F(2°C) | 3.4 in(86 mm) | 67% | 4.5 |
| MayMay | 68°F(20°C) | 45°F(7°C) | 3.5 in(90 mm) | 70% | 5.3 |
| JunJuneBest | 76°F(25°C) | 54°F(12°C) | 4.7 in(119 mm) | 70% | 5.7 |
| JulJuly | 81°F(27°C) | 59°F(15°C) | 3.3 in(84 mm) | 72% | 5.8 |
| AugAugustBest | 80°F(27°C) | 58°F(15°C) | 3.7 in(94 mm) | 70% | 5.0 |
| SepSeptemberBest | 74°F(23°C) | 51°F(11°C) | 4.0 in(101 mm) | 72% | 4.0 |
| OctOctober | 62°F(16°C) | 41°F(5°C) | 3.6 in(91 mm) | 70% | 2.6 |
| NovNovember | 49°F(10°C) | 31°F(0°C) | 2.9 in(74 mm) | 70% | 1.8 |
| DecDecember | 39°F(4°C) | 24°F(-5°C) | 3.0 in(75 mm) | 68% | 1.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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