New Rochelle, New York Weather
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Climate of New Rochelle: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in New Rochelle, with average daytime highs around 29°C. January is the coolest, when nights typically fall to about -6°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 35°C, so the seasons feel very different from each other.
The area receives about 1240 mm of rain in a typical year. Most of it falls from March to April, June to October and December (around 72% of the yearly total), and October is the wettest month at roughly 122 mm.
For outdoor plans and travel, May usually offers the most comfortable weather in New Rochelle, with mild days and relatively little rain.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 2° | -6° | 81 mm | 87% |
| Feb | 3° | -5° | 81 mm | 85% |
| Mar | 8° | -2° | 100 mm | 82% |
| Apr | 14° | 4° | 102 mm | 79% |
| May | 20° | 10° | 98 mm | 80% |
| Jun | 25° | 16° | 117 mm | 79% |
| Jul | 29° | 19° | 109 mm | 74% |
| Aug | 28° | 19° | 114 mm | 73% |
| Sep | 25° | 15° | 105 mm | 74% |
| Oct | 18° | 8° | 122 mm | 78% |
| Nov | 11° | 2° | 91 mm | 82% |
| Dec | 5° | -2° | 116 mm | 86% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around New Rochelle. Values describe typical conditions, not a forecast.
About New Rochelle weather
New Rochelle is set in New York's humid continental climate, from the Atlantic coast to the Adirondacks, about 29 km north-east of New York City. Summers bring warm, humid summers (June–August). Cooler months mean cold winters (December–February) with significant snow, especially upstate. This page shows live, auto-refreshing weather for New Rochelle: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
New Rochelle is about 29 km north-east of New York City, in New York.
New Rochelle sees cold winters (December–February) with significant snow, especially upstate.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for New Rochelle's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in New Rochelle, with average daytime highs of about 29°C and nights around 19°C.
The coldest nights come in January, when the average low is about -6°C and daytime highs reach around 2°C. Frost is possible on clear, calm nights.
New Rochelle receives about 1240 mm of rain in a typical year. October is the wettest month at roughly 122 mm, and the main rainy period is March to April, June to October and December.
May usually offers the most comfortable weather in New Rochelle, with mild daytime temperatures and little rain.
In November New Rochelle typically sees daytime highs near 11°C and lows near 2°C, with about 91 mm of rain over the month and average humidity around 82%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
Live temperature for New Rochelle is shown at the top of this page and refreshes automatically — see the hourly breakdown below for how it changes through the day.
New Rochelle's day-to-day weather follows the broader pattern of New York described above. See the hourly weather forecast or the air quality index for more detail.