Photo: John Phelan · CC BY-SA 4.0Oak Hill’s winters are colder and snowier than most of the U.S.
A typical July afternoon reaches 81°, a January night drops to 14°, and about 69 inches of snow falls in a normal winter.
A year in Oak Hill at a glance
Each month’s typical high and low, and what it brings.
What stands out about Oak Hill’s climate
Compared with towns across the U.S., with Oak Hill’s place in Maine beside it.
What a year in Oak Hill feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 170 frost-free days a year
In half of years the last 32° night comes by April 26 and the first by October 15. Frost and day counts come from NOAA’s station at Portland International Jetport, ME, 4 miles from the town’s center, at about the same height.
The 2023 USDA map puts Oak Hill’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 69 inches of snow a winter
Snow, measured at Portland International Jetport, ME, falls mostly in January. Precipitation (rain plus melted snow) adds up to 49 inches a year; October is the wettest month and January the driest. Rain or snow falls on about 131 days a year.
Rain + melted snow by month
Inches of water
Snowfall by month
Inches of snow
Heating and cooling a home in Oak Hill
94% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through May.
Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Portland International Jetport, ME.
Living with Oak Hill’s climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
170 frost-free days in zone 6a. The last frost comes by Apr 26 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 15.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 5.2 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Oak Hill from natural hazards, river flooding is the largest share (35%); heat waves, cold waves, winter storms and ice storms together are 21%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Oak Hill and similar climates
TownRatings has no climate map of the towns around Oak Hill yet.
Climates most like Oak Hill’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 |
|---|---|---|---|---|
| Oak Hill, ME | 14° | 81° | 49" | 69" |
| Walton, NY | 13° | 80° | 47" | 71" |
| Dalton, MA | 13° | 80° | 48" | 77" |
| Litchfield, CT | 15° | 81° | 51" | 59" |
| Bradford, PA | 15° | 80° | 44" | 75" |
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 Oak Hill averaged 1.9° warmer than the 1900s. The biggest change is in December (+3.5°).
A bigger shift than in 85% 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 Oak Hill compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Oak Hill’s place among Maine’s.
Oak Hill weather by month
Highs, lows and precipitation from NOAA’s grid at Oak Hill’s center; snow, wet days and snow on the ground from Portland International Jetport, ME. 1991–2020 normals.
| Month | High | Low | Rain + melt | Snow | Wet days | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 32° | 14° | 3.5" | 18.6" | 11 | 23 | 13° – 31° |
| February | 35° | 16° | 3.5" | 16.6" | 10 | 21 | 12° – 31° |
| March | 43° | 24° | 4.2" | 13.6" | 11 | 16 | 26° – 41° |
| April | 55° | 34° | 4.5" | 2.8" | 11 | 2 | 41° – 49° |
| May | 65° | 44° | 3.8" | 0.0" | 13 | 0 | 50° – 60° |
| June | 75° | 54° | 4.4" | 0.0" | 12 | 0 | 61° – 67° |
| July | 81° | 60° | 3.6" | 0.0" | 11 | 0 | 66° – 73° |
| August | 79° | 58° | 3.5" | 0.0" | 9 | 0 | 67° – 72° |
| September | 71° | 51° | 3.9" | 0.0" | 9 | 0 | 57° – 65° |
| October | 59° | 40° | 5.1" | 0.2" | 11 | 0 | 46° – 56° |
| November | 48° | 30° | 4.4" | 2.3" | 11 | 2 | 34° – 44° |
| December | 38° | 21° | 4.6" | 14.6" | 12 | 11 | 23° – 37° |
| Year | 57° | 37° | 48.9" | 68.7" | 131 | 74 |
How much a month can swing
A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 12° to 31°. August is the most reliable, staying within 5°.
Where Oak Hill’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 Oak Hill’s center.
- Snow: Portland International Jetport, ME.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Portland International Jetport, ME, 4 miles from the town’s center, at about the same height; 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 Oak Hill’s climate
What is the weather like in Oak Hill?
A typical July afternoon reaches 81°, a January night drops to 14°, and about 69 inches of snow falls in a normal winter. Colder January nights than 87% of U.S. towns; cooler July afternoons than 90% of U.S. towns.
How cold does it get in Oak Hill in winter?
January nights average 14°. About 144 nights a year reach 32° or below and 7 reach 0° or below. In the coldest January of the last 30 years the month averaged 13°.
How much snow does Oak Hill get?
About 69 inches in a normal winter at Portland International Jetport, ME, most of it in January, with snow on the ground about 74 days a year.
How hot does it get in Oak Hill?
July, with a typical high of 81° and a low of 60°. About 5 days a year reach 90° (Portland International Jetport, ME).
When is the first and last frost in Oak Hill?
In half of years the last spring frost (32°) comes by April 26 and the first fall frost by October 15, about 170 frost-free days, at Portland International Jetport, ME.
What growing zone is Oak Hill 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 Oak Hill?
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 Oak Hill getting warmer?
Yes: 1991–2020 averaged 1.9° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 85% of U.S. towns.
Neighbors talk weather
Gardens, snow, and the best days of the year in Oak Hill.
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.