Photo: JERRYE & ROY KLOTZ MD · CC BY-SA 3.0Precipitation in Whitpain Township tops that of 80% of U.S. towns: 49 inches a year
On a normal July day the thermometer tops out near 87°. The year swings widely: the coldest month’s nights and the warmest month’s afternoons are 64° apart. Summer afternoons here are warmer than in 60% of U.S. towns. Radiators earn their keep from November to March, the months that average under 50°.
A year in Whitpain Township at a glance
Each month’s typical high and low, and what it brings.
What stands out about Whitpain Township’s climate
Compared with towns across the U.S., with Whitpain Township’s place in Pennsylvania beside it.
What a year in Whitpain Township feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 203 frost-free days a year
In half of years the last 32° night comes by April 8 and the first by October 31. Frost and day counts come from NOAA’s station at Norristown, PA, 4 miles from the town’s center, 230 ft lower.
The 2023 USDA map puts Whitpain Township’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 4°. 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 8 inches of snow a winter
Snow, measured at Conshohocken, PA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 49 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 111 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Whitpain Township
80% of the work is heating. Months averaging under 55° run from November 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 Norristown, PA.
Living with Whitpain Township’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
203 frost-free days in zone 7a. The last frost comes by Apr 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 31.
Months with highs of 62–84° and lows of 40° or more: April, May, June, September and October. 21 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Whitpain Township from natural hazards, river flooding is the largest share (67%); heat waves, cold waves, winter storms and ice storms together are 16%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Whitpain Township and its neighbors
Every town next door is within a degree of Whitpain Township in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Climates most like Whitpain Township’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 |
|---|---|---|---|---|
| Whitpain Township, PA | 23° | 87° | 49" | 7.6" |
| Morehead, KY | 24° | 87° | 50" | 6.5" |
| Washington, IN | 22° | 87° | 48" | 9.2" |
| Mount Carmel, IL | 24° | 88° | 48" | 8.9" |
| Huntington, WV | 25° | 87° | 46" | 10" |
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.
Warmer than it used to be
The last 30 years in Whitpain Township averaged 2.1° warmer than the 1900s. The biggest change is in December (+3.7°).
A bigger shift than in 93% 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 Whitpain Township compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Whitpain Township’s place among Pennsylvania’s.
Whitpain Township weather by month
Highs, lows and precipitation from NOAA’s grid at Whitpain Township’s center; snow, wet days and snow on the ground from Conshohocken, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 40° | 23° | 3.5" | 2.7" | 9 | 3 | 23° – 39° |
| February | 43° | 25° | 2.8" | 2.4" | 9 | 3 | 23° – 41° |
| March | 51° | 32° | 4.2" | 0.6" | 10 | 2 | 36° – 50° |
| April | 63° | 41° | 3.8" | 0.1" | 11 | 0 | 48° – 57° |
| May | 73° | 51° | 4.1" | 0.0" | 11 | 0 | 57° – 68° |
| June | 82° | 61° | 4.4" | 0.0" | 9 | 0 | 68° – 75° |
| July | 87° | 66° | 4.8" | 0.0" | 9 | 0 | 72° – 80° |
| August | 85° | 64° | 4.7" | 0.0" | 9 | 0 | 70° – 78° |
| September | 78° | 57° | 4.6" | 0.0" | 8 | 0 | 64° – 71° |
| October | 66° | 45° | 4.2" | 0.0" | 9 | 0 | 51° – 63° |
| November | 55° | 36° | 3.3" | 0.2" | 8 | 0 | 39° – 50° |
| December | 45° | 28° | 4.4" | 1.6" | 10 | 1 | 29° – 48° |
| Year | 64° | 44° | 48.8" | 7.6" | 111 | 9 |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 29° to 48°. June is the most reliable, staying within 7°.
Where Whitpain Township’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 Whitpain Township’s center.
- Snow: Conshohocken, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Norristown, PA, 4 miles from the town’s center, 230 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 Whitpain Township’s climate
What is the weather like in Whitpain Township?
A typical July afternoon reaches 87°, a January night drops to 23°, and about 8 inches of snow falls in a normal winter. Milder January nights than 57% of U.S. towns; hotter July afternoons than 60% of U.S. towns.
How cold does it get in Whitpain Township in winter?
January nights average 23°. About 107 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 23°.
How much snow does Whitpain Township get?
About 7.6 inches in a normal winter at Conshohocken, PA, most of it in January, with snow on the ground about 9 days a year.
How hot does it get in Whitpain Township?
July, with a typical high of 87° and a low of 66°. About 39 days a year reach 90° and 2 reach 100° (Norristown, PA).
When is the first and last frost in Whitpain Township?
In half of years the last spring frost (32°) comes by April 8 and the first fall frost by October 31, about 203 frost-free days, at Norristown, PA.
What growing zone is Whitpain Township in?
Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 4°.
What is the best time of year to visit Whitpain Township?
By one simple rule (highs of 62–84° and lows of 40° or more), April, May, June, September and October. The rule is ours, not NOAA’s; the month table has the numbers to judge by.
Is Whitpain Township getting warmer?
Yes: 1991–2020 averaged 2.1° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 93% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Whitpain Township.
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.