July in Youngsville stays fresher than in 90% of U.S. towns
The depth of winter brings overnight lows near 17°. The wettest month is July; the driest is February. In January, nights here are colder than in 76% of U.S. towns. The heating season runs October to April: each of those months averages under 50°.
A year in Youngsville at a glance
Each month’s typical high and low, and what it brings.
What stands out about Youngsville’s climate
Compared with towns across the U.S., with Youngsville’s place in Pennsylvania beside it.
What a year in Youngsville feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 131 frost-free days a year
In half of years the last 32° night comes by May 22 and the first by September 30. Frost and day counts come from NOAA’s station at Chandlers Valley 1se, PA, 5 miles from the town’s center, 270 ft higher.
The 2023 USDA map puts Youngsville’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −8°. 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 72 inches of snow a winter
Snow, measured at Warren, PA, falls mostly in January and December. Precipitation (rain plus melted snow) adds up to 46 inches a year; July is the wettest month and February the driest. Rain or snow falls on about 175 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Youngsville
96% 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 Chandlers Valley 1se, PA.
Living with Youngsville’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
131 frost-free days in zone 6a. The last frost comes by May 22 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Sep 30.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September.
Parks & trails →Of the yearly building losses FEMA expects in Youngsville from natural hazards, river flooding is the largest share (92%); heat waves, cold waves, winter storms and ice storms together are 2%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Youngsville and similar climates
TownRatings has no climate map of the towns around Youngsville yet.
Climates most like Youngsville’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 |
|---|---|---|---|---|
| Youngsville, PA | 17° | 81° | 46" | 72" |
| Newmarket, NH | 16° | 81° | 47" | 65" |
| Schroeppel, NY | 15° | 81° | 44" | 79" |
| Salisbury, MA | 18° | 81° | 48" | 62" |
| Saco, ME | 15° | 80° | 49" | 69" |
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 Youngsville averaged 1.5° warmer than the 1900s. The biggest change is in December (+2.7°).
A bigger shift than in 56% 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 Youngsville compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Youngsville’s place among Pennsylvania’s.
Youngsville weather by month
Highs, lows and precipitation from NOAA’s grid at Youngsville’s center; snow, wet days and snow on the ground from Warren, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 17° | 3.4" | 18.2" | 19 | 21 | 16° – 34° |
| February | 35° | 17° | 2.6" | 14.9" | 15 | 18 | 11° – 35° |
| March | 44° | 24° | 3.1" | 10.0" | 15 | 10 | 27° – 46° |
| April | 58° | 34° | 3.9" | 2.4" | 15 | 1 | 40° – 51° |
| May | 69° | 44° | 4.0" | 0.0" | 14 | 0 | 49° – 63° |
| June | 77° | 53° | 4.6" | 0.0" | 14 | 0 | 61° – 68° |
| July | 81° | 57° | 4.6" | 0.0" | 13 | 0 | 64° – 73° |
| August | 79° | 56° | 3.9" | 0.0" | 12 | 0 | 63° – 72° |
| September | 73° | 50° | 4.0" | 0.0" | 12 | 0 | 58° – 66° |
| October | 60° | 39° | 4.3" | 0.1" | 15 | 0 | 46° – 56° |
| November | 48° | 31° | 3.6" | 7.5" | 15 | 5 | 33° – 45° |
| December | 37° | 23° | 3.7" | 18.5" | 18 | 15 | 20° – 41° |
| Year | 58° | 37° | 45.6" | 71.6" | 175 | 70 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 11° to 35°. June is the most reliable, staying within 7°.
Where Youngsville’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 Youngsville’s center.
- Snow: Warren, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Chandlers Valley 1se, PA, 5 miles from the town’s center, 270 ft higher; 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 Youngsville’s climate
What is the weather like in Youngsville?
A typical July afternoon reaches 81°, a January night drops to 17°, and about 72 inches of snow falls in a normal winter. Colder January nights than 76% of U.S. towns; cooler July afternoons than 90% of U.S. towns.
How cold does it get in Youngsville in winter?
January nights average 17°. About 173 nights a year reach 32° or below and 16 reach 0° or below. In the coldest January of the last 30 years the month averaged 16°.
How much snow does Youngsville get?
About 72 inches in a normal winter at Warren, PA, most of it in January and December, with snow on the ground about 70 days a year.
How hot does it get in Youngsville?
July, with a typical high of 81° and a low of 57°. About 3 days a year reach 90° (Chandlers Valley 1se, PA).
When is the first and last frost in Youngsville?
In half of years the last spring frost (32°) comes by May 22 and the first fall frost by September 30, about 131 frost-free days, at Chandlers Valley 1se, PA.
What growing zone is Youngsville in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −8°.
What is the best time of year to visit Youngsville?
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 Youngsville getting warmer?
Yes: 1991–2020 averaged 1.5° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 56% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Youngsville.
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.