Heilwood has chilly, snowy winters and pleasant summers, with plenty of rain
A typical July afternoon reaches 80°, a January night drops to 17°, and about 46 inches of snow falls in a normal winter.
A year in Heilwood at a glance
Each month’s typical high and low, and what it brings.
What stands out about Heilwood’s climate
Read from where Heilwood sits among Pennsylvania’s towns. The page puts what stands out first.
What a year in Heilwood feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
46 inches of snow, 48 of rain and melt
July is the wettest month and February the driest. Rain or snow falls on about 167 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Living with Heilwood’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
157 frost-free days. The last frost comes by May 8 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 13.
About 46" a winter over 20 days with an inch or more, most in January. Snow covers the ground about 49 days a year.
Months averaging under 55° run from October through April. Heating is 92% of the year’s heating-and-cooling load.
About 8 days a year reach 90°, and July afternoons average 80°.
The nicest months are May, June, July, August and September.
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 Heilwood averaged 1.0° warmer than the 1900s. The biggest change is in December (+2.1°).
A smaller shift than in 68% of U.S. towns.
Change by month
About 157 frost-free days a year
In half of years the last 32° night comes by May 8 and the first by October 13.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
Heilwood and its neighbors
Pine has the coldest January nights next door (17°) and Cherryhill the hottest July afternoons (82°). Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
How Heilwood compares
Against every U.S. town on TownTapestry, each counted once, with its place in Pennsylvania.
Heilwood 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 | 33° | 17° | 3.8" | 13.3" | 17 | 17 | 17° – 34° |
| February | 37° | 19° | 3.1" | 11.8" | 14 | 13 | 15° – 36° |
| March | 46° | 26° | 3.9" | 6.1" | 14 | 7 | 29° – 47° |
| April | 59° | 36° | 4.0" | 1.1" | 15 | 1 | 42° – 52° |
| May | 69° | 46° | 4.3" | 0 | 15 | 0 | 51° – 64° |
| June | 77° | 54° | 4.7" | 0 | 14 | 0 | 61° – 68° |
| July | 80° | 58° | 4.9" | 0 | 14 | 0 | 65° – 73° |
| August | 79° | 57° | 4.1" | 0 | 12 | 0 | 64° – 72° |
| September | 72° | 50° | 4.3" | 0 | 12 | 0 | 58° – 66° |
| October | 61° | 39° | 3.5" | 0 | 13 | 0 | 46° – 56° |
| November | 48° | 30° | 3.7" | 2.7" | 13 | 2 | 34° – 45° |
| December | 38° | 23° | 3.9" | 10.8" | 15 | 10 | 20° – 41° |
| Year | 58° | 38° | 48.1" | 45.8" | 167 | 49 |
Heating and cooling a home in Heilwood
92% 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. December swings the most: from 1991 to 2020 its average ranged from 20° to 41°. June is the most reliable, staying within 7°.
Common questions about Heilwood’s climate
What is the coldest month in Heilwood?
January, with a typical high of 33° and a low of 17°.
What is the hottest month in Heilwood?
July, with a typical high of 80° and a low of 58°. About 8 days a year reach 90°.
How much snow does Heilwood get?
About 46 inches in a normal winter, most of it in January.
When is the first frost in Heilwood?
In half of years the first 32° night comes by October 13, and the last spring frost by May 8.
What is the rainiest month in Heilwood?
July, with 4.9 inches of rain and melted snow. The year totals 48 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Heilwood.
Your answer becomes a post in Town Square.
Temperatures and rainfall come from NOAA’s gridded climate normals for Heilwood itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Indiana 3 Se, PA (11 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.