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Orleans MA Town HallPhoto: T.S. Custadio aka ToddC4176 at en.wikipedia · CC BY-SA 3.0
Climate in Orleans · NOAA 1991–2020 normals

Hardly any U.S. towns see fresher July days than Orleans

January mornings start at about 25°. Winters are mild: January nights here are milder than in 64% of U.S. towns. Decade by decade the climate has edged up, 2.0° above 1901–2000. Garden planting can start around April 5; autumn frost returns near November 15.

Milder January nights than 64% of U.S. towns#3Mildest winters  of 324 in MA
More snow than 54% of U.S. towns#306Snowiest  of 321 in MA
All MA rankings →

A year in Orleans at a glance

Each month’s typical high and low, and what it brings.

Jan39°25° 8" snow
Feb40°26° 10" snow
Mar44°31° 4" snow
Apr53°39° Last frost ~Apr 5
May62°47°
Jun70°56°
Jul77°63°
Aug77°63°
Sep71°57°
Oct61°47°
Nov now52°39° First frost ~Nov 15
Dec44°31° Wettest

What stands out about Orleans’ climate

Compared with towns across the U.S., with Orleans’ place in Massachusetts beside it.

A normal year

What a year in Orleans feels like

Typical highs and lows by season and by month, from NOAA’s 30-year normals.

Winter
41° / 27°
7 days with 1"+ of snow
Spring
53° / 39°
Last frost around Apr 5
Summer
75° / 61°
90° days are rare
Fall
61° / 48°
First frost around Nov 15
Best months to be outsideJunJulAugSepHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 221 frost-free days a year

In half of years the last 32° night comes by April 5 and the first by November 15. Frost and day counts come from NOAA’s station at Chatham, MA, 8 miles from the town’s center, at about the same height.

83
nights at or below 32° in a normal year
6th fewest of 323 in Massachusetts
Fewer freezing nights than 68% of U.S. towns
<1
nights at or below 0°
6th fewest of 323 in Massachusetts
Fewer nights at or below 0° than 66% of U.S. towns
<1
days that reach 90°
The fewest of 323 in Massachusetts
Fewer 90° days than all but 65 U.S. towns
0
days that reach 100°
None in a normal year
7bUSDA zone
Plant hardiness zone 7b

The 2023 USDA map puts Orleans’ center in zone 7b: 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°

23
JFMAMJJASOND
Rain & snow

About 25 inches of snow a winter

Snow, measured at Chatham, MA, falls mostly in February. Precipitation (rain plus melted snow) adds up to 45 inches a year; December is the wettest month and July the driest. Rain or snow falls on about 127 days a year.

45"
Rain + melted snow a year
309th wettest of 324 in Massachusetts
Wetter than 60% of U.S. towns
25"
Snow in a normal winter
306th snowiest of 321 in Massachusetts
More snow than 54% of U.S. towns
21 days
With 1"+ of snow on the ground
17th fewest of 242 in Massachusetts
Fewer days with snow on the ground than 51% of U.S. towns

Rain + melted snow by month

Inches of water

4.8"
JFMAMJJASOND

Snowfall by month

Inches of snow

10"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Orleans

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.

5,681 heating degree daysMore heating than 59% of U.S. towns
369 cooling degree daysLess cooling than 92% of U.S. towns

Degree days add up how far each day’s average falls below (heating) or rises above (cooling) 65° over a year. NOAA normals at Chatham, MA.

Living here

Living with Orleans’ climate

What the numbers mean for a garden, a free afternoon and a bad-weather day.

The garden window

221 frost-free days in zone 7b. The last frost comes by Apr 5 in half of years, so many gardeners wait a week or two past that to set out tomatoes. The first fall frost comes by Nov 15.

Get outside

Months with highs of 62–84° and lows of 40° or more: June, July, August and September. 25 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Orleans from natural hazards, river flooding is the largest share (43%); heat waves, cold waves, winter storms and ice storms together are 1%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Orleans and its neighbors

Brewster has the coldest January nights next door (24°, 1° colder) and Brewster the hottest July afternoons (78°, 1° warmer). Differences under a degree are within what the 5 km grid can tell apart. Tap a town to see its climate.

Wellfleet: January low 25°, July high 78°North Eastham: January low 25°, July high 78°Dennis: January low 24°, July high 79°East Dennis: January low 25°, July high 79°Northwest Harwich: January low 25°, July high 78°Harwich Center: January low 25°, July high 78°Harwich Port: January low 25°, July high 78°Dennis Port: January low 24°, July high 79°West Chatham: January low 25°, July high 77°Eastham: January low 25°, July high 77°Brewster: January low 24°, July high 78°East Harwich: January low 25°, July high 77°Harwich: January low 25°, July high 78°Chatham: January low 25°, July high 77°Orleans: January low 25°, July high 77°OrleansEasthamBrewsterEast HarwichHarwichChatham
ColderMilder24° to 25°
Brewster24.2° −1.1°
Eastham25.1° about the same
Orleans25.3°
East Harwich25.3° about the same
Harwich25.3° about the same
Chatham25.4° about the same

Climates most like Orleans’, 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.

TownJan. lowJuly highPrecip.Snow
Orleans, MA25°77°45"25"
East Moriches, NY24°82°46"32"
Covington, WA35°77°49"18"
Princeton, WV23°82°41"24"
Galax, VA25°82°48"17"

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.

Then and now

Warmer than it used to be

The last 30 years in Orleans averaged 2.0° warmer than the 1900s. The biggest change is in December (+3.5°).

+2.0°1991–2020 vs. 1901–2000

A bigger shift than in 91% of U.S. towns.

Winter+2.9°now 34°, was 31°
Spring+1.5°now 46°, was 44°
Summer+1.8°now 68°, was 66°
Fall+2.0°now 54°, was 52°

Change by month

JanFebMarAprMayJunJulAugSepOctNovDec

The two periods overlap (1991–2000 is in both), which makes the gap a little smaller than it would be between separate periods.

Compared with other towns

How Orleans compares

Against 12,954 U.S. towns of 2,500 or more (one per 5 km climate cell), with Orleans’ place among Massachusetts’.

Summer heat77° July high
Cooler July afternoons than 97% of U.S. towns2nd coolest of 324 in Massachusetts
Winter cold25° January low
Milder January nights than 64% of U.S. towns3rd mildest of 324 in Massachusetts
Precipitation45" a year
Wetter than 60% of U.S. towns309th wettest of 324 in Massachusetts
Snow25" a winter
More snow than 54% of U.S. towns306th snowiest of 321 in Massachusetts
Hot days<1 days at 90°+
Fewer 90° days than all but 65 U.S. townsThe fewest of 323 in Massachusetts
Freezing nights83 a year
Fewer freezing nights than 68% of U.S. towns6th fewest of 323 in Massachusetts
Growing season221 frost-free days
A longer frost-free season than 80% of U.S. townsThe longest of 323 in Massachusetts
Month by month

Orleans weather by month

Highs, lows and precipitation from NOAA’s grid at Orleans’ center; snow, wet days and snow on the ground from Chatham, MA. 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January39°25°4.0"7.5"12723° – 38°
February40°26°3.3"9.9"11823° – 38°
March44°31°4.2"3.8"12432° – 43°
April53°39°4.1"0.5"12042° – 49°
May62°47°3.1"0.0"11049° – 58°
June70°56°3.3"0.0"10059° – 67°
July77°63°2.4"0.0"8066° – 74°
August77°63°3.5"0.0"8066° – 74°
September71°57°3.7"0.0"9061° – 67°
October61°47°4.4"0.0"11051° – 60°
November52°39°4.0"0.2"11041° – 49°
December44°31°4.8"2.6"13232° – 47°
Year57°44°45.0"24.5"12721
Year to year

How much a month can swing

A normal is an average. January swings the most: from 1991 to 2020 its average ranged from 23° to 38°. September is the most reliable, staying within 7°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Orleans’ 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 Orleans’ center.
  • Snow: Chatham, MA.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Chatham, MA, 8 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 Orleans’ climate

What is the weather like in Orleans?

A typical July afternoon reaches 77°, a January night drops to 25°, and about 25 inches of snow falls in a normal winter. Milder January nights than 64% of U.S. towns; cooler July afternoons than 97% of U.S. towns.

How cold does it get in Orleans in winter?

January nights average 25°. About 83 nights a year reach 32° or below. In the coldest January of the last 30 years the month averaged 23°.

How much snow does Orleans get?

About 25 inches in a normal winter at Chatham, MA, most of it in February, with snow on the ground about 21 days a year.

How hot does it get in Orleans?

July, with a typical high of 77°. 90° days are rare: none in a normal year at Chatham, MA.

When is the first and last frost in Orleans?

In half of years the last spring frost (32°) comes by April 5 and the first fall frost by November 15, about 221 frost-free days, at Chatham, MA.

What growing zone is Orleans in?

Zone 7b 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 Orleans?

By one simple rule (highs of 62–84° and lows of 40° or more), June, July, August and September. The rule is ours, not NOAA’s; the month table has the numbers to judge by.

Is Orleans getting warmer?

Yes: 1991–2020 averaged 2.0° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 91% of U.S. towns.

Neighbors talk weather

Gardens, snow, and the best days of the year in Orleans.

Town Square →
Ask your neighbors

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.