Afternoon heat in Mountainhome trails that of 89% of U.S. towns
The coldest hours of a January night bottom out at 16° on average. It is a wet place: more rain and snow fall here than on 81% of U.S. towns. The latest 30-year average runs 1.8° warmer than 1901–2000’s, with December up the most. Garden planting can start around May 10; autumn frost returns near October 4.
A year in Mountainhome at a glance
Each month’s typical high and low, and what it brings.
What stands out about Mountainhome’s climate
Compared with towns across the U.S., with Mountainhome’s place in Pennsylvania beside it.
What a year in Mountainhome feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 146 frost-free days a year
In half of years the last 32° night comes by May 10 and the first by October 4. Frost and day counts come from NOAA’s station at Hawley 1 E, PA, 21 miles from the town’s center, 330 ft lower.
The 2023 USDA map puts Mountainhome’s center in zone 6b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −5°. 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 49 inches of rain a year
June is the wettest month and February the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Mountainhome
95% 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 Hawley 1 E, PA.
Living with Mountainhome’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
146 frost-free days in zone 6b. The last frost comes by May 10 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 4.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 0.6 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Mountainhome from natural hazards, river flooding is the largest share (77%); heat waves, cold waves, winter storms and ice storms together are 12%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Mountainhome and similar climates
TownRatings has no climate map of the towns around Mountainhome yet.
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 Mountainhome averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.5°).
A bigger shift than in 77% 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 Mountainhome compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Mountainhome’s place among Pennsylvania’s.
Mountainhome weather by month
Highs, lows and precipitation from NOAA’s grid at Mountainhome’s center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 33° | 16° | 3.5" | 15° – 33° |
| February | 37° | 18° | 2.8" | 14° – 34° |
| March | 45° | 25° | 3.8" | 28° – 46° |
| April | 58° | 34° | 4.1" | 41° – 51° |
| May | 69° | 44° | 4.1" | 52° – 62° |
| June | 76° | 53° | 5.1" | 62° – 68° |
| July | 81° | 58° | 4.4" | 65° – 73° |
| August | 79° | 56° | 4.3" | 63° – 71° |
| September | 72° | 49° | 5.1" | 58° – 64° |
| October | 61° | 38° | 4.8" | 45° – 57° |
| November | 49° | 30° | 3.4" | 34° – 44° |
| December | 38° | 22° | 3.9" | 22° – 42° |
| Year | 58° | 37° | 49.0" |
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 22° to 42°. June is the most reliable, staying within 6°.
Where Mountainhome’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 Mountainhome’s center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Hawley 1 E, PA, 21 miles from the town’s center, 330 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 Mountainhome’s climate
What is the weather like in Mountainhome?
A typical July afternoon reaches 81°, a January night drops to 16°. Colder January nights than 80% of U.S. towns; cooler July afternoons than 89% of U.S. towns.
How cold does it get in Mountainhome in winter?
January nights average 16°. About 164 nights a year reach 32° or below and 9 reach 0° or below. In the coldest January of the last 30 years the month averaged 15°.
How hot does it get in Mountainhome?
July, with a typical high of 81° and a low of 58°. About 7 days a year reach 90° (Hawley 1 E, PA).
When is the first and last frost in Mountainhome?
In half of years the last spring frost (32°) comes by May 10 and the first fall frost by October 4, about 146 frost-free days, at Hawley 1 E, PA.
What growing zone is Mountainhome in?
Zone 6b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −5°.
What is the best time of year to visit Mountainhome?
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 Mountainhome getting warmer?
Yes: 1991–2020 averaged 1.8° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 77% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Mountainhome.
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.