Altoona, Pennsylvania Climate by Month
Altoona, Pennsylvania, United States
Warm summers and cold winters, with rain spread through the year.
Warm summers and cold winters, with rain spread through the year: that's Altoona's climate in short. Expect highs of 84°F (29°C) in July and 36°F (2°C) in January, with the coldest nights (January) near 20°F (-7°C). About 39 in (995 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 84°F(29°C)
- Average high, July
- Coldest nights
- 20°F(-7°C)
- Average low, January
- Rain per year
- 39 in(995 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: July
Best and worst months in Altoona
Best for weatherMay and September are the best time for weather in Altoona: highs near 74°F (23°C) and about 4.0 in (101 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 36°F (2°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)
Altoona weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 36°F(2°C) | 20°F(-7°C) | 2.6 in(65 mm) | 77% | 1.6 |
| FebFebruary | 40°F(4°C) | 21°F(-6°C) | 2.4 in(61 mm) | 70% | 2.5 |
| MarMarch | 49°F(10°C) | 29°F(-2°C) | 3.3 in(85 mm) | 62% | 3.4 |
| AprApril | 62°F(17°C) | 38°F(4°C) | 3.5 in(90 mm) | 57% | 4.5 |
| MayMayBest | 72°F(22°C) | 48°F(9°C) | 4.0 in(101 mm) | 67% | 5.2 |
| JunJune | 80°F(27°C) | 57°F(14°C) | 4.1 in(105 mm) | 71% | 5.5 |
| JulJuly | 84°F(29°C) | 61°F(16°C) | 3.7 in(93 mm) | 69% | 5.6 |
| AugAugust | 83°F(28°C) | 60°F(16°C) | 3.1 in(79 mm) | 69% | 5.0 |
| SepSeptemberBest | 76°F(25°C) | 53°F(12°C) | 3.9 in(100 mm) | 68% | 4.1 |
| OctOctober | 64°F(18°C) | 42°F(6°C) | 3.0 in(75 mm) | 65% | 2.8 |
| NovNovember | 52°F(11°C) | 33°F(0°C) | 2.8 in(71 mm) | 66% | 1.8 |
| DecDecember | 40°F(5°C) | 25°F(-4°C) | 2.8 in(70 mm) | 79% | 1.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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