Climate
Oyster Bay weather by month
Average highs, lows, rain and snow for every month, from 30 years of weather records.
Average temperatures
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Best time to visit: May, July, August, when highs are mild and rain is lightest.
Month by month
| Month | High | Low | Rain | Wet days |
|---|---|---|---|---|
| January | 39°F | 25°F | 2.7 in | 9 |
| February | 41°F | 26°F | 2.0 in | 9 |
| March | 48°F | 33°F | 3.5 in | 10 |
| April | 58°F | 42°F | 3.6 in | 11 |
| May | 68°F | 51°F | 3.2 in | 13 |
| June | 77°F | 61°F | 3.5 in | 11 |
| July | 83°F | 68°F | 3.0 in | 10 |
| August | 82°F | 67°F | 3.2 in | 10 |
| September | 75°F | 60°F | 3.7 in | 8 |
| October | 64°F | 48°F | 3.4 in | 10 |
| November | 53°F | 38°F | 2.9 in | 9 |
| December | 44°F | 31°F | 3.6 in | 11 |
NOAA U.S. Climate Normals 1991–2020, Farmingdale Ap, Ny Us (4.3 mi away, 81 ft). Wet days: days with at least 0.01 in of precipitation.
Questions
What is the hottest month in Oyster Bay?
July, with an average high of 83°F and low of 68°F.
What is the coldest month in Oyster Bay?
January, with an average low of 25°F and high of 39°F.
When does it rain most in Oyster Bay?
September is the wettest month, averaging 3.7 in of precipitation; the year totals about 38.3 inches.
What is the best time to visit Oyster Bay?
For mild weather (highs between 65°F and 85°F) with the least rain, May, July, August.
Where do these numbers come from?
NOAA’s 1991–2020 U.S. Climate Normals for the Farmingdale Ap weather station, 4.3 miles from downtown: 30-year averages, not a forecast.