Oyster Bay has chilly winters and warm summers. A typical July afternoon reaches 84°, a January night drops to 24°, and about 19 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normalsUpdated once a decade
☀️
July high
84°
262nd hottest of 2,223 New York towns
❄️
January low
24°
217th mildest of 2,223 New York towns
💧
Rain + melted snow
46 in
706th 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 Oyster Bay feels like
❄️
Winter
42° / 26°
Typical high / low · 6 days with an inch or more of snow
🌷
Spring
60° / 41°
Typical high / low · Last frost around Apr 6
☀️
Summer
82° / 63°
Typical high / low · 9 days reach 90° in a normal year
🍂
Fall
65° / 47°
Typical high / low · First frost around Nov 6
10°
20°
40°
50°
60°
70°
80°
90°
100°
32°
40°
24°
42°
25°
49°
32°
60°
41°
70°
50°
79°
60°
84°
66°
83°
64°
76°
57°
65°
46°
54°
37°
45°
30°
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
Oyster Bay 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°
24°
3.3"
2.9"
11
23° – 38°
February
42°
25°
2.9"
6.2"
10
22° – 40°
March
49°
32°
4.2"
3.1"
11
35° – 48°
April
60°
41°
3.9"
0.4"
11
46° – 55°
May
70°
50°
3.5"
0
11
56° – 65°
June
79°
60°
4.1"
0
9
66° – 74°
July
84°
66°
3.8"
0
9
70° – 80°
August
83°
64°
4.1"
0
9
70° – 77°
September
76°
57°
4.1"
0
8
64° – 71°
October
65°
46°
4.1"
0
8
51° – 62°
November
54°
37°
3.4"
0.2"
9
40° – 50°
December
45°
30°
4.3"
5.7"
11
30° – 49°
Year
62°
44°
45.5"
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 Oyster Bay
Oyster Bay gets 46 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.
💧
46 in
Rain + melted snow a year
More rain than 71% 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"
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Frost & the growing season
About 213 frost-free days a year
In half of years the last 32° night comes by April 6 and the first one by November 6. That leaves about 213 frost-free days for gardens, longer than 79% of U.S. towns.
🌱 Apr 6
🍂 Nov 6
213 frost-free days
JFMAMJJASOND
🥶
88
nights at or below 32° in a normal year
🧊
0
nights below 0° in a normal year
🔥
9
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 Oyster Bay
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Oyster Bay, 85% of that work is heating and 15% is cooling, so the furnace matters far more than the air conditioner.
🔥
5,087 heating degree daysLess heating than 64% of U.S. towns
❄️
911 cooling degree daysMore cooling than 55% 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 Oyster Bay
Oyster Bay and its neighbors
Oyster Bay borders 12 towns with climate data. January nights across them vary by 2.6°. Huntington has the coldest January nights (25°) and Sea Cliff the hottest July afternoons (85°). Oyster Bay’s January low is 24° and its July high 84°.
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 Oyster Bay averaged 2.2° warmer than the 1900s. The biggest change is in December (+3.6°). The shift is larger than in 98% of U.S. towns.
❄️ Winter+3.1°now 34°, was 31°
🌷 Spring+2.1°now 50°, was 48°
☀️ Summer+2.0°now 73°, was 71°
🍂 Fall+1.8°now 56°, was 54°
Change by month1991–2020 average minus 1901–2000 average, at Oyster Bay’s spot on NOAA’s grid
+1.3°
+3.6°
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 30° to 49°. 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 Oyster Bay’s climate
What is the coldest month in Oyster Bay?
January, with a typical high of 40° and a low of 24°.
What is the hottest month in Oyster Bay?
July, with a typical high of 84° and a low of 66°. About 9 days a year reach 90°.
How much snow does Oyster Bay get?
About 19 inches in a normal winter, most of it in February.
When is the first frost in Oyster Bay?
In half of years the first 32° night comes by November 6, and the last spring frost by April 6.
What is the rainiest month in Oyster Bay?
December, with 4.3 inches of rain and melted snow. The year totals 46 inches.
📍Temperatures and rainfall come from NOAA’s gridded climate normals for Oyster Bay itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Mineola, NY (7 mi, snow) and Farmingdale Airport, NY (7 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.