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Climate in Crompond · NOAA 1991–2020 normals

Precipitation in Crompond tops that of 79% of U.S. towns: 49 inches a year

Deep winter brings January lows near 20°. The gap between a January night and a July afternoon is 65°. Its January nights bite harder than in 61% of U.S. towns. The heating season runs November to April: each of those months averages under 50°.

More snow than 69% of U.S. towns#625Snowiest  of 855 in NY
Colder January nights than 61% of U.S. towns#685 coldest of 876 in NY
All NY rankings →

A year in Crompond at a glance

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

Jan37°20° 11" snow
Feb40°21° 7" snow
Mar48°28° 10" snow
Apr61°39° Last frost ~Apr 30
May71°49° 2 days 90°+
Jun79°58° 1 day 90°+
Jul84°64° 7 days 90°+
Aug82°62° 4 days 90°+
Sep75°55° 2 days 90°+
Oct64°43° First frost ~Oct 17Wettest
Nov now52°34°
Dec41°26° 7" snow

What stands out about Crompond’s climate

Compared with towns across the U.S., with Crompond’s place in New York beside it.

A normal year

What a year in Crompond feels like

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

Winter
39° / 22°
9 days with 1"+ of snow
Spring
60° / 38°
Last frost around Apr 30
Summer
82° / 61°
16 days reach 90°
Fall
63° / 44°
First frost around Oct 17
Best months to be outsideMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Frost, heat & the growing season

About 172 frost-free days a year

In half of years the last 32° night comes by April 30 and the first by October 17. Frost and day counts come from NOAA’s station at Shrub Oak, NY, 2.5 miles from the town’s center, at about the same height.

Short record. NOAA estimated Shrub Oak, NY’s counts from 3 years of data and its neighbors’, not a full 30-year record.
136
nights at or below 32° in a normal year
461st most of 876 in New York
More freezing nights than 73% of U.S. towns
2
nights at or below 0°
187th fewest of 876 in New York
Fewer nights at or below 0° than 50% of U.S. towns
16
days that reach 90°
778th fewest of 876 in New York
Fewer 90° days than 58% of U.S. towns
0
days that reach 100°
None in a normal year
7aUSDA zone
Plant hardiness zone 7a

The 2023 USDA map puts Crompond’s center in zone 7a: the coldest night of a typical winter, averaged over 1991–2020, reaches about 0°. Plant labels use the zone; frost dates tell you when to plant.

Freezing nights by month

Average nights at or below 32°

28
JFMAMJJASOND

90° days by month

Average days at 90° or more

7.3
JFMAMJJASOND
Rain & snow

About 36 inches of snow a winter

Snow, measured at West Point, NY, falls mostly in January. Precipitation (rain plus melted snow) adds up to 49 inches a year; October is the wettest month and February the driest. Rain or snow falls on about 118 days a year.

49"
Rain + melted snow a year
43rd wettest of 876 in New York
Wetter than 79% of U.S. towns
36"
Snow in a normal winter
625th snowiest of 855 in New York
More snow than 69% of U.S. towns

Rain + melted snow by month

Inches of water

4.6"
JFMAMJJASOND

Snowfall by month

Inches of snow

11"
JFMAMJJASOND
Heating & cooling

Heating and cooling a home in Crompond

90% of the work is heating, so the furnace matters far more than the air conditioner. Months averaging under 55° run from October through April.

6,014 heating degree daysMore heating than 66% of U.S. towns
636 cooling degree daysLess cooling than 74% 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 Shrub Oak, NY.

Living here

Living with Crompond’s climate

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

The garden window

172 frost-free days in zone 7a. The last frost comes by Apr 30 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 17.

Get outside

Months with highs of 62–84° and lows of 40° or more: May, June, August, September and October. 5.9 miles of trails are waiting.

Parks & trails →
Storms and extremes

Of the yearly building losses FEMA expects in Crompond from natural hazards, river flooding is the largest share (79%); heat waves, cold waves, winter storms and ice storms together are 6%. Normals are averages; the hazards page covers the extremes.

Natural hazards →
Next door

Crompond and its neighbors

Every town next door is within a degree of Crompond in January and July, closer than the 5 km grid can tell apart. Tap a town to see its climate.

Yorktown: January low 20°, July high 84°Somers: January low 20°, July high 84°Cortlandt: January low 20°, July high 85°Shrub Oak: January low 19°, July high 84°Jefferson Valley-Yorktown: January low 19°, July high 84°Lake Mohegan: January low 20°, July high 84°Crompond: January low 20°, July high 84°CrompondShrub OakJefferson Valley-YorktownLake Mohegan
ColderMilder19° to 20°
Shrub Oak19.4° about the same
Jefferson Valley-Yorktown19.4° about the same
Crompond19.6°
Lake Mohegan19.6° about the same

Climates most like Crompond’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.

TownJan. lowJuly highPrecip.Snow
Crompond, NY20°84°49"36"
West Bridgewater, MA20°84°51"34"
Manchester, MD22°84°47"34"
New Freedom, PA21°84°48"29"
Buckhannon, WV23°83°50"39"

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 Crompond averaged 2.1° warmer than the 1900s. The biggest change is in December (+3.8°).

+2.1°1991–2020 vs. 1901–2000

A bigger shift than in 92% of U.S. towns.

Winter+3.1°now 31°, was 28°
Spring+1.6°now 49°, was 48°
Summer+1.9°now 72°, was 70°
Fall+1.7°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 Crompond compares

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

Summer heat84° July high
Cooler July afternoons than 58% of U.S. towns742nd coolest of 876 in New York
Winter cold20° January low
Colder January nights than 61% of U.S. towns685th coldest of 876 in New York
Precipitation49" a year
Wetter than 79% of U.S. towns43rd wettest of 876 in New York
Snow36" a winter
More snow than 69% of U.S. towns625th snowiest of 855 in New York
Hot days16 days at 90°+
Fewer 90° days than 58% of U.S. towns778th fewest of 876 in New York
Freezing nights136 a year
More freezing nights than 73% of U.S. towns461st most of 876 in New York
Growing season172 frost-free days
A shorter frost-free season than 69% of U.S. towns494th shortest of 876 in New York
Month by month

Crompond weather by month

Highs, lows and precipitation from NOAA’s grid at Crompond’s center; snow, wet days and snow on the ground from West Point, NY. 1991–2020 normals.

MonthHighLowRain + meltSnowWet days30-yr range
January37°20°3.5"11.1"1019° – 35°
February40°21°2.8"7.1"818° – 37°
March48°28°4.1"9.6"931° – 48°
April61°39°3.9"0.4"1145° – 54°
May71°49°3.9"0.0"1255° – 65°
June79°58°4.5"0.0"1166° – 72°
July84°64°4.4"0.0"1069° – 78°
August82°62°4.4"0.0"1068° – 76°
September75°55°4.4"0.0"862° – 69°
October64°43°4.6"0.0"1049° – 60°
November52°34°3.8"0.5"938° – 47°
December41°26°4.2"7.0"1026° – 45°
Year61°41°48.6"35.7"118
Year to year

How much a month can swing

A normal is an average. February swings the most: from 1991 to 2020 its average ranged from 18° to 37°. June is the most reliable, staying within 6°.

Coldest to warmest month in 30 yearsNormal
Sources

Where Crompond’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 Crompond’s center.
  • Snow: West Point, NY.
  • Frost, freezing nights, 90° and 100° days, heating and cooling: Shrub Oak, NY, 2.5 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 Crompond’s climate

What is the weather like in Crompond?

A typical July afternoon reaches 84°, a January night drops to 20°, and about 36 inches of snow falls in a normal winter. Colder January nights than 61% of U.S. towns; cooler July afternoons than 58% of U.S. towns.

How cold does it get in Crompond in winter?

January nights average 20°. About 136 nights a year reach 32° or below and 2 reach 0° or below. In the coldest January of the last 30 years the month averaged 19°.

How much snow does Crompond get?

About 36 inches in a normal winter at West Point, NY, most of it in January.

How hot does it get in Crompond?

July, with a typical high of 84° and a low of 64°. About 16 days a year reach 90° (Shrub Oak, NY).

When is the first and last frost in Crompond?

In half of years the last spring frost (32°) comes by April 30 and the first fall frost by October 17, about 172 frost-free days, at Shrub Oak, NY.

What growing zone is Crompond in?

Zone 7a on the 2023 USDA Plant Hardiness Zone Map: the coldest night of a typical winter reaches about 0°.

What is the best time of year to visit Crompond?

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

Is Crompond getting warmer?

Yes: 1991–2020 averaged 2.1° warmer than 1901–2000 on NOAA’s grid. A bigger shift than 92% of U.S. towns.

Neighbors talk weather

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

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.