Rye Brook, NY climate
Rye Brook has chilly, snowy winters and warm summers. A typical July afternoon reaches 85°, a January night drops to 24°, and about 33 inches of snow falls in a normal winter.
NOAA 1991-2020 climate normals Updated once a decade5° warmer than normal today. The forecast high is 75°, and a typical Oct 1 in Rye Brook peaks around 70°.Live forecast: National Weather Service · Normal: NOAA 1991–2020
What a year in Rye Brook feels like
Winter
Spring
Summer
Fall
Rye Brook 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 | Snow on ground | 30-yr range |
|---|---|---|---|---|---|---|---|
| January | 39° | 24° | 3.3" | 9.4" | 11 | 13 | 23° – 38° |
| February | 42° | 25° | 2.8" | 10.9" | 9 | 13 | 21° – 39° |
| March | 49° | 32° | 4.0" | 5.8" | 11 | 7 | 35° – 49° |
| April | 61° | 41° | 4.1" | 0.7" | 13 | 0 | 47° – 56° |
| May | 71° | 51° | 3.8" | 0 | 12 | 0 | 57° – 66° |
| June | 80° | 60° | 4.3" | 0 | 12 | 0 | 67° – 73° |
| July | 85° | 66° | 4.4" | 0 | 10 | 0 | 70° – 79° |
| August | 83° | 65° | 4.1" | 0 | 9 | 0 | 70° – 78° |
| September | 76° | 58° | 4.5" | 0 | 9 | 0 | 64° – 71° |
| October | 65° | 46° | 4.4" | 0 | 9 | 0 | 52° – 63° |
| November | 54° | 37° | 3.5" | 0.3" | 10 | 0 | 41° – 50° |
| December | 44° | 29° | 4.0" | 5.6" | 11 | 7 | 30° – 48° |
| Year | 62° | 44° | 47.2" | 32.7" | 124 | 39 |
“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 and snow in Rye Brook
Rye Brook gets 47 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 124 days a year. Snow covers the ground about 39 days of the year.
About 200 frost-free days a year
In half of years the last 32° night comes by April 12 and the first one by October 31. That leaves about 200 frost-free days for gardens, longer than 72% of U.S. towns.
Heating and cooling a home in Rye Brook
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Rye Brook, 87% of that work is heating and 13% is cooling, so the furnace matters far more than the air conditioner.
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.
Rye Brook and its neighbors
Rye Brook borders 7 towns with climate data. January nights across them vary by 4.2°. North Castle has the coldest January nights (21°) and Rye the hottest July afternoons (85°). Rye Brook’s January low is 24° and its July high 85°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Rye Brook compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Rye Brook 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.
Change by month1991–2020 average minus 1901–2000 average, at Rye Brook’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 21° to 39°. June is the most reliable, staying within 6°.
Common questions about Rye Brook’s climate
What is the coldest month in Rye Brook?
January, with a typical high of 39° and a low of 24°.
What is the hottest month in Rye Brook?
July, with a typical high of 85° and a low of 66°. About 10 days a year reach 90°.
How much snow does Rye Brook get?
About 33 inches in a normal winter, most of it in February.
When is the first frost in Rye Brook?
In half of years the first 32° night comes by October 31, and the last spring frost by April 12.
What is the rainiest month in Rye Brook?
September, with 4.5 inches of rain and melted snow. The year totals 47 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Rye Brook itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Dobbs Ferry-ardsley, NY (8 mi, snow) and Westchester Co Airport, NY (3 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.