Port Washington has chilly winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 26°, and about 19 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normalsUpdated once a decade
☀️
July high
85°
175th hottest of 2,223 New York towns
❄️
January low
26°
45th mildest of 2,223 New York towns
💧
Rain + melted snow
47 in
421st wettest of 2,223 New York towns
🌨️
Snow a winter
19 in
71st least snowy of 2,158 New York towns
A normal year
What a year in Port Washington feels like
❄️
Winter
42° / 28°
Typical high / low · 6 days with an inch or more of snow
🌷
Spring
60° / 43°
Typical high / low · Last frost around Apr 2
☀️
Summer
83° / 66°
Typical high / low · 16 days reach 90° in a normal year
🍂
Fall
65° / 50°
Typical high / low · First frost around Nov 12
10°
20°
40°
50°
60°
70°
80°
90°
100°
32°
40°
26°
42°
27°
49°
34°
61°
43°
70°
52°
79°
62°
85°
68°
83°
67°
76°
60°
65°
49°
54°
40°
45°
32°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
32°, freezingBar runs from the typical overnight low up to the afternoon high
Best months to be outsideMayJunAugSepOctHighs of 62–84° and lows of 40° or more
Month by month
Port Washington weather by month
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°
26°
3.4"
2.9"
11
25° – 40°
February
42°
27°
3.0"
6.2"
10
23° – 41°
March
49°
34°
4.2"
3.1"
11
36° – 50°
April
61°
43°
3.9"
0.4"
11
47° – 56°
May
70°
52°
3.7"
0
11
57° – 66°
June
79°
62°
4.1"
0
9
68° – 75°
July
85°
68°
4.0"
0
9
71° – 81°
August
83°
67°
4.2"
0
9
71° – 79°
September
76°
60°
4.1"
0
8
66° – 72°
October
65°
49°
4.2"
0
8
53° – 64°
November
54°
40°
3.5"
0.2"
9
42° – 52°
December
45°
32°
4.3"
5.7"
11
31° – 50°
Year
63°
47°
46.6"
18.5"
114
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain & snow
Rain and snow in Port Washington
Port Washington gets 47 inches of rain and melted snow a year. December is the wettest month and February the driest. Rain or snow falls on about 114 days a year.
💧
47 in
Rain + melted snow a year
More rain than 75% of U.S. towns
❄️
19 in
Snow in a normal winter
Less snow than 59% of U.S. towns
☔
114 days
With rain or snow (0.01"+)
Rain + melted snow by month
Inches of water
4.3"
JFMAMJJASOND
Snowfall by month
Inches of snow
6.2"
JFMAMJJASOND
Frost & the growing season
About 224 frost-free days a year
In half of years the last 32° night comes by April 2 and the first one by November 12. That leaves about 224 frost-free days for gardens, longer than 84% of U.S. towns.
🌱 Apr 2
🍂 Nov 12
224 frost-free days
JFMAMJJASOND
🥶
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°
JFMAMJJASOND
90° days by month
Average days at 90° or more
JFMAMJJASOND
Heating & cooling
Heating and cooling a home in Port Washington
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Port Washington, 80% of that work is heating and 20% is cooling, 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 measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Around Port Washington
Port Washington and its neighbors
Port Washington borders 9 towns with climate data. January nights across them vary by 2.1°. Oyster Bay has the coldest January nights (24°) and Manorhaven the hottest July afternoons (85°). Port Washington’s January low is 26° and its July high 85°.
Compared with every U.S. town and city on TownTapestry, each counted once.
Then and now
Warmer than it used to be
+2.2°1991–2020 average vs. the 20th century (1901–2000)
The last 30 years in Port Washington averaged 2.2° warmer than the 1900s. The biggest change is in December (+3.7°). The shift is larger than in 97% of U.S. towns.
❄️ Winter+3.1°now 35°, was 32°
🌷 Spring+2.0°now 51°, was 49°
☀️ Summer+1.9°now 74°, was 72°
🍂 Fall+1.7°now 58°, was 56°
Change by month1991–2020 average minus 1901–2000 average, at Port Washington’s spot on NOAA’s grid
+1.2°
+3.7°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Year to year
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 31° to 50°. September is the most reliable, staying within 7°.
10°
20°
30°
40°
50°
60°
70°
80°
90°
JanJFebFMarMAprAMayMJunJJulJAugASepSOctONovNDecD
Coldest to warmest month in 30 yearsNormal
Questions
Common questions about Port Washington’s climate
What is the coldest month in Port Washington?
January, with a typical high of 40° and a low of 26°.
What is the hottest month in Port Washington?
July, with a typical high of 85° and a low of 68°. About 16 days a year reach 90°.
How much snow does Port Washington get?
About 19 inches in a normal winter, most of it in February.
When is the first frost in Port Washington?
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 Port Washington?
December, with 4.3 inches of rain and melted snow. The year totals 47 inches.
📍Temperatures and rainfall come from NOAA’s gridded climate normals for Port Washington itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mineola, NY (7 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.