Oak Hills has chilly, snowy winters and pleasant summers
A typical July afternoon reaches 83°, a January night drops to 19°, and about 35 inches of snow falls in a normal winter.
A year in Oak Hills at a glance
Each month’s typical high and low, and what it brings.
What a year in Oak Hills feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
35 inches of snow, 43 of rain and melt
June is the wettest month and February the driest. Rain or snow falls on about 168 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
About 159 frost-free days a year
In half of years the last 32° night comes by May 7 and the first by October 14.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Living with Oak Hills’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
159 frost-free days. The last frost comes by May 7 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Oct 14.
About 35" a winter over 13 days with an inch or more, most in January. Snow covers the ground about 53 days a year.
Months averaging under 55° run from October through April. Heating is 93% of the year’s heating-and-cooling load.
About 7 days a year reach 90°, and July afternoons average 83°.
The nicest months are May, June, July, August, September and October.
Parks & trails →Normals are averages. Ice storms, nor’easters, floods and heat waves are on the natural hazards page.
Natural hazards →Warmer than it used to be
The last 30 years in Oak Hills averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.7°).
A bigger shift than in 61% of U.S. towns.
Change by month
How Oak Hills compares
Against every U.S. town on TownTapestry, each counted once, with its place in Pennsylvania.
Oak Hills weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 36° | 19° | 3.2" | 11.3" | 18 | 18 | 19° – 37° |
| February | 39° | 21° | 2.5" | 9.7" | 15 | 15 | 16° – 39° |
| March | 49° | 28° | 3.3" | 5.3" | 14 | 8 | 31° – 49° |
| April | 62° | 37° | 3.6" | 0.6" | 15 | 0 | 44° – 54° |
| May | 72° | 47° | 3.8" | 0 | 15 | 0 | 52° – 66° |
| June | 80° | 56° | 4.6" | 0 | 13 | 0 | 63° – 71° |
| July | 83° | 60° | 4.3" | 0 | 12 | 0 | 67° – 75° |
| August | 82° | 59° | 3.9" | 0 | 11 | 0 | 66° – 74° |
| September | 75° | 52° | 3.9" | 0 | 11 | 0 | 60° – 68° |
| October | 63° | 41° | 3.2" | 0.1" | 13 | 0 | 48° – 58° |
| November | 51° | 32° | 3.1" | 1.1" | 14 | 2 | 36° – 47° |
| December | 40° | 25° | 3.3" | 6.8" | 16 | 10 | 23° – 43° |
| Year | 61° | 40° | 42.6" | 34.9" | 168 | 53 |
Heating and cooling a home in Oak Hills
93% of the work is heating, so the furnace matters far more than the air conditioner.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. Source: NOAA station normals.
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 16° to 39°. September is the most reliable, staying within 8°.
Common questions about Oak Hills’s climate
What is the coldest month in Oak Hills?
January, with a typical high of 36° and a low of 19°.
What is the hottest month in Oak Hills?
July, with a typical high of 83° and a low of 60°. About 7 days a year reach 90°.
How much snow does Oak Hills get?
About 35 inches in a normal winter, most of it in January.
When is the first frost in Oak Hills?
In half of years the first 32° night comes by October 14, and the last spring frost by May 7.
What is the rainiest month in Oak Hills?
June, with 4.6 inches of rain and melted snow. The year totals 43 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Oak Hills.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Oak Hills itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Butler 2 Sw, PA (1 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.