Photo: Joachim Specht · Public domainBally’s winters are colder but less snowy than most of the U.S.
A typical July afternoon reaches 86°, a January night drops to 21°, and about 4 inches of snow falls in a normal winter.
A year in Bally at a glance
Each month’s typical high and low, and what it brings.
What stands out about Bally’s climate
Compared with towns across the U.S., with Bally’s place in Pennsylvania beside it.
What a year in Bally feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 186 frost-free days a year
In half of years the last 32° night comes by April 20 and the first by October 23. Frost and day counts come from NOAA’s station at Pottstown Limerick Airport, 11 miles from the town’s center, 210 ft lower.
The 2023 USDA map puts Bally’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 1°. Plant labels use the zone; frost dates tell you when to plant.
Freezing nights by month
Average nights at or below 32°
90° days by month
Average days at 90° or more
About 4 inches of snow a winter
Snow, measured at Bechtelsville 1ene, PA, falls mostly in February. Precipitation (rain plus melted snow) adds up to 48 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 94 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Bally
87% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Pottstown Limerick Airport.
Living with Bally’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
186 frost-free days in zone 7a. The last frost comes by Apr 20 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 23.
Months with highs of 62–84° and lows of 40° or more: May, June, September and October. 0.8 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Bally from natural hazards, river flooding is the largest share (70%); heat waves, cold waves, winter storms and ice storms together are 10%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Bally and similar climates
TownRatings has no climate map of the towns around Bally yet.
Climates most like Bally’s, farther away
TownRatings’ own comparison of NOAA 1991–2020 normals, not a NOAA product: places of 5,000+ at least 150 miles away, one per state, closest on January low, July high, precipitation and snow.
| Town | Jan. low | July high | Precip. | Snow |
|---|---|---|---|---|
| Bally, PA | 21° | 86° | 48" | 4.2" |
| Marshfield, MO | 23° | 87° | 46" | 5.2" |
| Linton, IN | 21° | 87° | 47" | 8.9" |
| Maysville, KY | 23° | 86° | 48" | 8.8" |
| Centralia, IL | 23° | 87° | 45" | 6.5" |
Temperatures and precipitation come from NOAA’s 5 km grid; snow and day counts from the stations named on this page.
Warmer than it used to be
The last 30 years in Bally averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.5°).
A bigger shift than in 82% of U.S. towns.
Change by month
The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.
How Bally compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Bally’s place among Pennsylvania’s.
Bally weather by month
Highs, lows and precipitation from NOAA’s grid at Bally’s center; snow, wet days and snow on the ground from Bechtelsville 1ene, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | 30-yr range |
|---|---|---|---|---|---|---|
| January | 39° | 21° | 3.4" | 1.4" | 8 | 21° – 37° |
| February | 42° | 23° | 2.7" | 1.9" | 5 | 21° – 39° |
| March | 50° | 30° | 3.9" | 0.6" | 9 | 34° – 49° |
| April | 63° | 40° | 3.9" | 0.0" | 9 | 47° – 56° |
| May | 73° | 49° | 4.0" | 0.0" | 9 | 57° – 67° |
| June | 81° | 59° | 4.4" | 0.0" | 8 | 67° – 73° |
| July | 86° | 64° | 5.1" | 0.0" | 8 | 70° – 79° |
| August | 84° | 62° | 4.4" | 0.0" | 8 | 69° – 77° |
| September | 77° | 55° | 4.8" | 0.0" | 7 | 63° – 70° |
| October | 65° | 43° | 4.3" | 0.1" | 7 | 49° – 61° |
| November | 54° | 34° | 3.3" | 0.0" | 7 | 38° – 48° |
| December | 44° | 26° | 4.1" | 0.2" | 8 | 28° – 46° |
| Year | 63° | 42° | 48.2" | 4.2" | 94 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 21° to 39°. June is the most reliable, staying within 7°.
Where Bally’s numbers come from
Normals are 30-year averages, not a forecast. How TownRatings reads climate data →
- Temperatures and precipitation: NOAA’s gridded 1991–2020 normals for the 5 km cell at Bally’s center.
- Snow: Bechtelsville 1ene, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Pottstown Limerick Airport, 11 miles from the town’s center, 210 ft lower; the nearest station that passes our checks for distance, height and agreement with the grid.
- Growing zone: USDA Plant Hardiness Zone Map, 2023. USDA Agricultural Research Service and PRISM Group, Oregon State University, prism.oregonstate.edu/phzm, accessed 8 Oct 2026.
- Then and now: NOAA’s gridded normals for 1901–2000 at the same cell.
- Storms and extremes: FEMA National Risk Index (expected annual losses to buildings).
Common questions about Bally’s climate
What is the weather like in Bally?
A typical July afternoon reaches 86°, a January night drops to 21°, and about 4 inches of snow falls in a normal winter. Colder January nights than 54% of U.S. towns; hotter July afternoons than 56% of U.S. towns.
How cold does it get in Bally in winter?
January nights average 21°. About 111 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 21°.
How much snow does Bally get?
About 4.2 inches in a normal winter at Bechtelsville 1ene, PA, most of it in February.
How hot does it get in Bally?
July, with a typical high of 86° and a low of 64°. About 17 days a year reach 90° (Pottstown Limerick Airport).
When is the first and last frost in Bally?
In half of years the last spring frost (32°) comes by April 20 and the first fall frost by October 23, about 186 frost-free days, at Pottstown Limerick Airport.
What growing zone is Bally in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 1°.
What is the best time of year to visit Bally?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Bally getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 82% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Bally.
Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000; USDA/PRISM 2023 hardiness zones; FEMA National Risk Index. Today’s forecast: National Weather Service.