Afternoon heat in Treasure Lake trails that of 93% of U.S. towns
The coldest hours of a January night bottom out at 17° on average. Its January nights bite harder than in 78% of U.S. towns. Compared with 1901–2000, the average now sits 1.4° higher. Tender plants can go out after about May 6; in half of years the first frost comes by October 14.
A year in Treasure Lake at a glance
Each month’s typical high and low, and what it brings.
What stands out about Treasure Lake’s climate
Compared with towns across the U.S., with Treasure Lake’s place in Pennsylvania beside it.
What a year in Treasure Lake feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 160 frost-free days a year
In half of years the last 32° night comes by May 6 and the first by October 14. Frost and day counts come from NOAA’s station at Dubois Jefferson Co Airport, 9 miles from the town’s center, 110 ft higher.
The 2023 USDA map puts Treasure Lake’s center in zone 6a: the coldest night of a typical winter, averaged over 1991–2020, reaches about −7°. 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 53 inches of snow a winter
Snow, measured at Ridgway, PA, falls mostly in January. Precipitation (rain plus melted snow) adds up to 45 inches a year; June is the wettest month and February the driest. Rain or snow falls on about 166 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Treasure Lake
94% 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 Dubois Jefferson Co Airport.
Living with Treasure Lake’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
160 frost-free days in zone 6a. The last frost comes by May 6 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 14.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 6.5 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Treasure Lake from natural hazards, river flooding is the largest share (68%); heat waves, cold waves, winter storms and ice storms together are 10%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Treasure Lake and similar climates
TownRatings has no climate map of the towns around Treasure Lake yet.
Climates most like Treasure Lake’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 |
|---|---|---|---|---|
| Treasure Lake, PA | 17° | 80° | 45" | 53" |
| Portsmouth, NH | 16° | 80° | 48" | 56" |
| Kittery, ME | 16° | 80° | 48" | 56" |
| Winchendon, MA | 13° | 81° | 47" | 51" |
| Groton, NY | 15° | 79° | 42" | 63" |
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 Treasure Lake averaged 1.4° warmer than the 1900s. The biggest change is in December (+2.8°).
A bigger shift than in 54% 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 Treasure Lake compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Treasure Lake’s place among Pennsylvania’s.
Treasure Lake weather by month
Highs, lows and precipitation from NOAA’s grid at Treasure Lake’s center; snow, wet days and snow on the ground from Ridgway, PA. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 17° | 3.3" | 15.3" | 17 | 21 | 16° – 34° |
| February | 35° | 18° | 2.7" | 12.5" | 14 | 18 | 14° – 35° |
| March | 45° | 25° | 3.4" | 7.5" | 14 | 9 | 29° – 46° |
| April | 58° | 35° | 4.0" | 1.5" | 14 | 1 | 41° – 53° |
| May | 69° | 44° | 4.0" | 0.0" | 14 | 0 | 49° – 64° |
| June | 76° | 53° | 4.5" | 0.0" | 14 | 0 | 60° – 67° |
| July | 80° | 57° | 4.5" | 0.0" | 12 | 0 | 63° – 73° |
| August | 78° | 56° | 4.0" | 0.0" | 11 | 0 | 63° – 72° |
| September | 72° | 49° | 4.1" | 0.0" | 11 | 0 | 57° – 65° |
| October | 60° | 39° | 3.8" | 0.4" | 14 | 0 | 44° – 56° |
| November | 47° | 30° | 3.5" | 3.2" | 13 | 3 | 33° – 45° |
| December | 37° | 23° | 3.4" | 12.3" | 17 | 13 | 20° – 41° |
| Year | 57° | 37° | 45.2" | 52.7" | 166 | 65 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 14° to 35°. June is the most reliable, staying within 7°.
Where Treasure Lake’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 Treasure Lake’s center.
- Snow: Ridgway, PA.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Dubois Jefferson Co Airport, 9 miles from the town’s center, 110 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 Treasure Lake’s climate
What is the weather like in Treasure Lake?
A typical July afternoon reaches 80°, a January night drops to 17°, and about 53 inches of snow falls in a normal winter. Colder January nights than 78% of U.S. towns; cooler July afternoons than 93% of U.S. towns.
How cold does it get in Treasure Lake in winter?
January nights average 17°. About 138 nights a year reach 32° or below and 6 reach 0° or below. In the coldest January of the last 30 years the month averaged 16°.
How much snow does Treasure Lake get?
About 53 inches in a normal winter at Ridgway, PA, most of it in January, with snow on the ground about 65 days a year.
How hot does it get in Treasure Lake?
July, with a typical high of 80° and a low of 57°. About 2 days a year reach 90° (Dubois Jefferson Co Airport).
When is the first and last frost in Treasure Lake?
In half of years the last spring frost (32°) comes by May 6 and the first fall frost by October 14, about 160 frost-free days, at Dubois Jefferson Co Airport.
What growing zone is Treasure Lake in?
Zone 6a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −7°.
What is the best time of year to visit Treasure Lake?
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 Treasure Lake getting warmer?
Yes: 1991–2020 averaged 1.4° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 54% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Treasure Lake.
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.