In half of years the last 32° night comes by April 2 and the first by November 12.
224 frost-free days · longer than 84% of U.S. towns
🌱 Apr 2🍂 Nov 12
JanFebMarAprMayJunJulAugSepOctNovDec
🥶83
nights at or below 32° in a normal year
🧊<1
nights below 0° in a normal year
🔥16
days that reach 90° in a normal year
Freezing nights by month
Average nights at or below 32°
23
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90° days by month
Average days at 90° or more
6.6
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Rain & snow
19 inches of snow, 46 of rain and melt
December is the wettest month and February the driest. Rain or snow falls on about 114 days a year.
💧46"
Rain + melted snow a year
713th wettest of 2,223 New York towns
More than 71% of U.S. towns
❄️19"
Snow in a normal winter
71st least snowy of 2,158 New York towns
Less than 59% of U.S. towns
☔114 days
With rain or snow
133rd driest of 2,158 New York towns
More than 52% of U.S. towns
Rain + melted snow by month
Inches of water
4.3"
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Snowfall by month
Inches of snow
6.2"
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Living here
Living with Uniondale’s climate
What the numbers mean for a garden, a driveway, a furnace and a free afternoon.
🌱The garden window
224 frost-free days. The last frost comes by Apr 2 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 12.
❄️Snow season
About 19" a winter over 6 days with an inch or more, most in February.
🔥Furnace season
Months averaging under 55° run from November through April. Heating is 80% of the year’s heating-and-cooling load.
☀️Summer heat
About 16 days a year reach 90°, and July afternoons average 85°.
🥾Get outside
The nicest months are May, June, August, September and October. 1.5 miles of trails are waiting.
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.
Compared with other towns
How Uniondale compares
Against every U.S. town on TownTapestry, each counted once, with its place in New York.
Summer heat85° July high
CoolerU.S. middleHotter
Hotter than 54% of U.S. towns67th hottest of 2,223 New York towns
Winter cold25° January low
MilderU.S. middleColder
Milder than 72% of U.S. towns170th mildest of 2,223 New York towns
Precipitation46" a year
DrierU.S. middleWetter
Wetter than 71% of U.S. towns713th wettest of 2,223 New York towns
Snow19" a winter
LessU.S. middleMore
Less snow than 59% of U.S. towns71st least snowy of 2,158 New York towns
Growing season224 frost-free days
ShorterU.S. middleLonger
Longer than 84% of U.S. towns67th longest of 2,222 New York towns
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
Month
High
Low
Rain + melt
Snow
Wet days
30-yr range
January
40°
25°
3.4"
2.9"
11
24° – 39°
February
43°
26°
3.0"
6.2"
10
23° – 40°
March
50°
32°
4.3"
3.1"
11
36° – 49°
April
61°
41°
3.8"
0.4"
11
47° – 55°
May
71°
51°
3.5"
0
11
57° – 65°
June
80°
60°
4.0"
0
9
67° – 74°
July
85°
66°
3.8"
0
9
71° – 80°
August
83°
65°
4.2"
0
9
70° – 78°
September
77°
58°
4.0"
0
8
65° – 71°
October
65°
47°
4.0"
0
8
51° – 62°
November
55°
37°
3.4"
0.2"
9
41° – 51°
December
45°
30°
4.3"
5.7"
11
30° – 49°
Year
63°
45°
45.5"
18.5"
114
Heating & cooling
Heating and cooling a home in Uniondale
80% of the work is heating, so the furnace matters far more than the air conditioner.
4,561 heating degree daysLess heating than 73% of U.S. towns
1,124 cooling degree daysMore cooling than 66% 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. Source: NOAA station normals.
Year to year
How much a month can swing
A normal is an average. December swings the most: from 1991 to 2020 its average ranged from 30° to 49°. September is the most reliable, staying within 7°.
10°
20°
30°
40°
50°
60°
70°
80°
90°
JanFebMarAprMayJunJulAugSepOctNovDec
Coldest to warmest month in 30 yearsNormal
Common questions about Uniondale’s climate
What is the coldest month in Uniondale?
January, with a typical high of 40° and a low of 25°.
What is the hottest month in Uniondale?
July, with a typical high of 85° and a low of 66°. About 16 days a year reach 90°.
How much snow does Uniondale get?
About 19 inches in a normal winter, most of it in February.
When is the first frost in Uniondale?
In half of years the first 32° night comes by November 12, and the last spring frost by April 2.
What is the rainiest month in Uniondale?
December, with 4.3 inches of rain and melted snow. The year totals 46 inches.
Neighbors talk weather
Gardens, snow, and the best days of the year in Uniondale.
Temperatures and rainfall come from NOAA’s gridded climate normals for Uniondale itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mineola, NY (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000. Today’s forecast: National Weather Service.
