Bethel Park Climate by Month
Bethel Park, Pennsylvania, United States
Warm summers and cold winters, with rain spread through the year.
The climate in Bethel Park is one of warm summers and cold winters, with rain spread through the year. Expect highs of 85°F (29°C) in July and 38°F (3°C) in January, with the coldest nights (January) near 21°F (-6°C). About 39 in (985 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 85°F(29°C)
- Average high, July
- Coldest nights
- 21°F(-6°C)
- Average low, January
- Rain per year
- 39 in(985 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: July
Best and worst months in Bethel Park
Best for weatherThe most comfortable weather comes in May and September, with highs around 76°F (24°C) and about 3.6 in (92 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 38°F (3°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)
Bethel Park weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 38°F(3°C) | 21°F(-6°C) | 2.8 in(70 mm) | 72% | 1.5 |
| FebFebruary | 41°F(5°C) | 22°F(-5°C) | 2.5 in(64 mm) | 66% | 2.4 |
| MarMarch | 51°F(11°C) | 29°F(-1°C) | 3.4 in(87 mm) | 59% | 3.4 |
| AprApril | 63°F(17°C) | 39°F(4°C) | 3.5 in(90 mm) | 63% | 4.5 |
| MayMayBest | 74°F(23°C) | 49°F(10°C) | 4.1 in(105 mm) | 65% | 5.3 |
| JunJune | 81°F(27°C) | 58°F(14°C) | 4.3 in(108 mm) | 69% | 5.7 |
| JulJuly | 85°F(29°C) | 62°F(17°C) | 3.7 in(93 mm) | 71% | 5.7 |
| AugAugust | 83°F(28°C) | 61°F(16°C) | 3.1 in(80 mm) | 71% | 5.2 |
| SepSeptemberBest | 78°F(25°C) | 53°F(12°C) | 3.1 in(79 mm) | 70% | 4.2 |
| OctOctober | 65°F(19°C) | 43°F(6°C) | 2.8 in(72 mm) | 70% | 2.9 |
| NovNovember | 53°F(12°C) | 33°F(1°C) | 2.6 in(67 mm) | 64% | 1.8 |
| DecDecember | 42°F(6°C) | 25°F(-4°C) | 2.8 in(70 mm) | 76% | 1.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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