Hardly any U.S. towns see fresher July days than Deblois
January mornings start at about 11°. Winter nights are cold: in January they are colder than in 92% of U.S. towns. Decade by decade the climate has edged up, 1.8° above 1901–2000. Homes need heating from October to April, the months averaging under 50°.
A year in Deblois at a glance
Each month’s typical high and low, and what it brings.
What stands out about Deblois’ climate
Compared with towns across the U.S., with Deblois’ place in Maine beside it.
What a year in Deblois feels like
Typical highs and lows by season and by month, from NOAA’s 30-year normals.
About 158 frost-free days a year
In half of years the last 32° night comes by May 3 and the first by October 9. Frost and day counts come from NOAA’s station at Jonesboro, ME, 18 miles from the town’s center, at about the same height.
The 2023 USDA map puts Deblois’ center in zone 5b: the coldest night of a typical winter, averaged over 1991–2020, reaches about −14°. 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 50 inches of rain a year
October is the wettest month and August the driest.
Rain + melted snow by month
Inches of water
Heating and cooling a home in Deblois
98% 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 Jonesboro, ME.
Living with Deblois’ climate
What the numbers mean for a garden, a free afternoon and a bad-weather day.
158 frost-free days in zone 5b. The last frost comes by May 3 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 9.
Months with highs of 62–84° and lows of 40° or more: May, June, July, August and September. 62 miles of trails are waiting.
Parks & trails →Of the yearly building losses FEMA expects in Deblois from natural hazards, river flooding is the largest share (44%); heat waves, cold waves, winter storms and ice storms together are 18%. Normals are averages; the hazards page covers the extremes.
Natural hazards →Deblois and its neighbors
Every town next door is within a degree of Deblois in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value. Snow and frost-free days come from the nearest weather station, so neighbors often share them.
Warmer than it used to be
The last 30 years in Deblois averaged 1.8° warmer than the 1900s. The biggest change is in December (+3.7°).
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 Deblois compares
Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Deblois’ place among Maine’s.
Deblois weather by month
Highs, lows and precipitation from NOAA’s grid at Deblois’ center. 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 30° | 11° | 4.2" | 10° – 28° |
| February | 32° | 13° | 3.4" | 11° – 28° |
| March | 40° | 22° | 4.2" | 25° – 38° |
| April | 52° | 32° | 4.3" | 38° – 47° |
| May | 64° | 42° | 3.9" | 48° – 57° |
| June | 73° | 51° | 4.1" | 58° – 66° |
| July | 79° | 57° | 3.5" | 63° – 71° |
| August | 78° | 56° | 3.3" | 64° – 70° |
| September | 69° | 49° | 3.9" | 55° – 64° |
| October | 57° | 39° | 5.5" | 43° – 54° |
| November | 46° | 29° | 5.0" | 32° – 43° |
| December | 35° | 19° | 5.2" | 22° – 35° |
| Year | 55° | 35° | 50.4" |
How much a month can swing
A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 10° to 28°. August is the most reliable, staying within 6°.
Where Deblois’ 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 Deblois’ center.
- Frost, freezing nights, 90° and 100° days, heating and cooling: Jonesboro, ME, 18 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 Deblois’ climate
What is the weather like in Deblois?
A typical July afternoon reaches 79°, a January night drops to 11°. Colder January nights than 92% of U.S. towns; cooler July afternoons than 95% of U.S. towns.
How cold does it get in Deblois in winter?
January nights average 11°. About 162 nights a year reach 32° or below and 20 reach 0° or below. In the coldest January of the last 30 years the month averaged 10°.
How hot does it get in Deblois?
July, with a typical high of 79° and a low of 57°. About 2 days a year reach 90° (Jonesboro, ME).
When is the first and last frost in Deblois?
In half of years the last spring frost (32°) comes by May 3 and the first fall frost by October 9, about 158 frost-free days, at Jonesboro, ME.
What growing zone is Deblois in?
Zone 5b on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about −14°.
What is the best time of year to visit Deblois?
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 Deblois 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 Deblois.
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.