July in Orviston stays fresher than in 79% of U.S. towns
Deep winter brings January lows near 18°. Winter nights are cold: in January they are colder than in 69% of U.S. towns. Warming shows here too: 0.7° more than in 1901–2000, led by December. From May to September, highs of 71–82° make it easy to spend the day outdoors.
A year in Orviston at a glance
Each month’s typical high and low, and what it brings.
What stands out about Orviston’s climate
Compared with towns across the U.S., with Orviston’s place in Pennsylvania beside it.
What a year in Orviston feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 130 frost-free days a year
In half of years the last 32° night comes by May 21 and the first by September 27. Frost and day counts come from NOAA’s station at Clarence, PA, 11 miles from the town’s center, 230 ft higher.
The 2023 USDA map puts Orviston’s center in zone 6b: 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 33 inches of snow a winter
Snow, measured at Renovo, PA, is heaviest from January through February, about 9 inches a month. Precipitation (rain plus melted snow) adds up to 42 inches a year; September is the wettest month and February the driest. Rain or snow falls on about 150 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Orviston
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 Clarence, PA.
Living with Orviston’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
130 frost-free days in zone 6b. The last frost comes by May 21 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 27.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 0.0 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Orviston from natural hazards, river flooding is the largest share (87%); heat waves, cold waves, winter storms and ice storms together are 3%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Orviston and similar climates
TownRatings has no climate map of the towns around Orviston yet.
Climates most like Orviston’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 |
|---|---|---|---|---|
| Orviston, PA | 18° | 82° | 42" | 33" |
| Alliance, OH | 19° | 83° | 41" | 32" |
| Kokomo, IN | 18° | 84° | 42" | 34" |
| Ghent, NY | 16° | 84° | 42" | 31" |
| Evanston, IL | 19° | 82° | 38" | 34" |
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 Orviston averaged 0.7° warmer than the 1900s. The biggest change is in December (+2.1°).
A smaller 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 Orviston compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Orviston’s place among Pennsylvania’s.
Orviston weather by month
Highs, lows and precipitation from NOAA’s grid at Orviston’s center; snow, wet days and snow on the ground from Renovo, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 34° | 18° | 2.9" | 9.0" | 14 | 15 | 18° – 34° |
| February | 37° | 19° | 2.3" | 9.5" | 12 | 13 | 15° – 36° |
| March | 46° | 26° | 3.3" | 5.2" | 12 | 7 | 29° – 47° |
| April | 60° | 37° | 3.7" | 0.7" | 14 | 0 | 43° – 54° |
| May | 71° | 46° | 4.1" | 0.0" | 14 | 0 | 53° – 64° |
| June | 78° | 55° | 4.0" | 0.0" | 13 | 0 | 63° – 70° |
| July | 82° | 60° | 4.0" | 0.0" | 12 | 0 | 66° – 75° |
| August | 81° | 58° | 3.8" | 0.0" | 11 | 0 | 65° – 74° |
| September | 73° | 51° | 4.2" | 0.0" | 11 | 0 | 60° – 66° |
| October | 62° | 40° | 3.7" | 0.1" | 13 | 0 | 47° – 58° |
| November | 49° | 32° | 3.1" | 1.5" | 12 | 1 | 35° – 45° |
| December | 38° | 24° | 3.1" | 6.7" | 14 | 8 | 22° – 40° |
| Year | 59° | 39° | 42.1" | 32.7" | 150 | 43 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 15° to 36°. September is the most reliable, staying within 6°.
Where Orviston’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 Orviston’s center.
- Snow: Renovo, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Clarence, PA, 11 miles from the town’s center, 230 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 Orviston’s climate
What is the weather like in Orviston?
A typical July afternoon reaches 82°, a January night drops to 18°, and about 33 inches of snow falls in a normal winter. Colder January nights than 69% of U.S. towns; cooler July afternoons than 79% of U.S. towns.
How cold does it get in Orviston in winter?
January nights average 18°. About 175 nights a year reach 32° or below and 13 reach 0° or below. In the coldest January of the last 30 years the month averaged 18°.
How much snow does Orviston get?
About 33 inches in a normal winter at Renovo, PA, heaviest from January through February, about 9 inches a month, with snow on the ground about 43 days a year.
How hot does it get in Orviston?
July, with a typical high of 82° and a low of 60°. About 6 days a year reach 90° (Clarence, PA).
When is the first and last frost in Orviston?
In half of years the last spring frost (32°) comes by May 21 and the first fall frost by September 27, about 130 frost-free days, at Clarence, PA.
What growing zone is Orviston in?
Zone 6b 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 Orviston?
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 Orviston getting warmer?
Yes: 1991–2020 averaged 0.7° warmer than 1901–2000 on NOAA’s grid. A smaller shift than 93% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Orviston.
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.