Photo: Doug Kerr · CC BY-SA 2.0Afternoon heat in Pine Grove Mills trails that of 82% of U.S. towns
Deep winter brings January lows near 19°. By January nights alone, it runs colder than 63% of U.S. towns. December has warmed most since 1901–2000, part of a 0.7° rise. Picnics, hikes and garden evenings come into their own from May to September, with highs of 70–82°.
A year in Pine Grove Mills at a glance
Each month’s typical high and low, and what it brings.
What stands out about Pine Grove Mills’ climate
Compared with towns across the U.S., with Pine Grove Mills’ place in Pennsylvania beside it.
What a year in Pine Grove Mills feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 187 frost-free days a year
In half of years the last 32° night comes by April 20 and the first by October 26. Frost and day counts come from NOAA’s station at State College, PA, 4 miles from the town’s center, 170 ft lower.
The 2023 USDA map puts Pine Grove Mills’ center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −3°. 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 44 inches of snow a winter
Snow, measured at State College, PA, is heaviest from January through February, about 11 inches a month. Precipitation (rain plus melted snow) adds up to 44 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 146 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Pine Grove Mills
90% 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 State College, PA.
Living with Pine Grove Mills’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
187 frost-free days in zone 6b. 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 26.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 8.4 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Pine Grove Mills from natural hazards, river flooding is the largest share (82%); heat waves, cold waves, winter storms and ice storms together are 4%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Pine Grove Mills and similar climates
TownRatings has no climate map of the towns around Pine Grove Mills yet.
Climates most like Pine Grove Mills’, 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 |
|---|---|---|---|---|
| Pine Grove Mills, PA | 19° | 82° | 44" | 44" |
| Aurora, OH | 19° | 82° | 42" | 45" |
| Mount Hope, NY | 17° | 82° | 47" | 43" |
| North Stonington, CT | 20° | 82° | 47" | 38" |
| Topsfield, MA | 18° | 82° | 47" | 48" |
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 Pine Grove Mills averaged 0.7° warmer than the 1900s. The biggest change is in December (+1.9°).
A smaller shift than in 92% 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 Pine Grove Mills compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Pine Grove Mills’ place among Pennsylvania’s.
Pine Grove Mills weather by month
Highs, lows and precipitation from NOAA’s grid at Pine Grove Mills’ center; snow, wet days and snow on the ground from State College, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 34° | 19° | 3.0" | 11.3" | 14 | 14 | 18° – 35° |
| February | 38° | 21° | 2.5" | 11.6" | 11 | 14 | 17° – 37° |
| March | 47° | 28° | 3.5" | 9.4" | 12 | 8 | 31° – 48° |
| April | 60° | 38° | 3.9" | 0.9" | 14 | 0 | 44° – 54° |
| May | 70° | 48° | 4.2" | 0.0" | 15 | 0 | 54° – 65° |
| June | 78° | 56° | 4.2" | 0.0" | 12 | 0 | 63° – 70° |
| July | 82° | 61° | 4.2" | 0.0" | 12 | 0 | 67° – 75° |
| August | 81° | 59° | 4.0" | 0.0" | 11 | 0 | 66° – 74° |
| September | 73° | 52° | 4.3" | 0.0" | 11 | 0 | 60° – 66° |
| October | 62° | 41° | 3.7" | 0.4" | 11 | 0 | 47° – 58° |
| November | 50° | 33° | 3.3" | 2.6" | 11 | 2 | 36° – 46° |
| December | 39° | 25° | 3.4" | 7.6" | 13 | 8 | 22° – 41° |
| Year | 59° | 40° | 44.2" | 43.8" | 146 | 46 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 17° to 37°. June is the most reliable, staying within 6°.
Where Pine Grove Mills’ 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 Pine Grove Mills’ center.
- Snow: State College, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: State College, PA, 4 miles from the town’s center, 170 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 Pine Grove Mills’ climate
What is the weather like in Pine Grove Mills?
A typical July afternoon reaches 82°, a January night drops to 19°, and about 44 inches of snow falls in a normal winter. Colder January nights than 63% of U.S. towns; cooler July afternoons than 82% of U.S. towns.
How cold does it get in Pine Grove Mills in winter?
January nights average 19°. About 122 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 18°.
How much snow does Pine Grove Mills get?
About 44 inches in a normal winter at State College, PA, heaviest from January through February, about 11 inches a month, with snow on the ground about 46 days a year.
How hot does it get in Pine Grove Mills?
July, with a typical high of 82° and a low of 61°. About 6 days a year reach 90° (State College, PA).
When is the first and last frost in Pine Grove Mills?
In half of years the last spring frost (32°) comes by April 20 and the first fall frost by October 26, about 187 frost-free days, at State College, PA.
What growing zone is Pine Grove Mills in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −3°.
What is the best time of year to visit Pine Grove Mills?
By one simple rule (highs of 62–84° and lows of 40° or more), May, June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Pine Grove Mills getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 92% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Pine Grove Mills.
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.