New York records about 1268mm of rain across roughly 122 wet days a year, which is a 33% chance on an average day. July is the wettest month at 117mm (9% of the annual total) and February the driest at 74mm. Local rain type: thunderstorms. Always keep an umbrella accessible. New York rain is unpredictable — summer thunderstorms can appear within minutes. A compact umbrella fits easily in any bag.
Chance of rain on an average day: 33%
Rainfall climatology for New York. The live hour-by-hour answer for today loads at the top of this page from Open-Meteo and refreshes through the day — the figures below describe a typical year, not today.
Last updated: · Live forecast data refreshes hourly.
| Annual rainfall | 1268mm |
| Rain days per year | 122 |
| Odds on an average day | 33% |
| Wettest month | July — 117mm over 12 days |
| Driest month | February — 74mm over 8 days |
| Rain type | thunderstorms |
| Best dry window | October brings the most pleasant weather with crisp autumn air and colorful foliage. |
| Worst rain window | July and August bring intense thunderstorms, and nor'easters can strike from October through April. |
July delivers 58% more rain than February (117mm vs 74mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 9% of the annual total, so rain in New York is spread through the year — there is no season you can rely on being dry.
New York rain arrives in short, heavy bursts — shelter and timing matter more than gear.
Rain falls on about 12 days in July against 8 in February — the frequency swing matters more for planning than the millimetre totals.
Climate normals. Use them to judge whether today's live forecast at the top of the page is typical or unusual for the season.
| Month | Rainfall | Rain days | Chance on a given day | Highs |
|---|---|---|---|---|
| January | 81mm | 8 | 27% | 4°C |
| February | 74mm | 8 | 27% | 4°C |
| March | 101mm | 10 | 33% | 8°C |
| April | 99mm | 10 | 33% | 14°C |
| May | 106mm | 11 | 37% | 20°C |
| June | 112mm | 11 | 37% | 26°C |
| July | 117mm | 12 | 40% | 30°C |
| August | 102mm | 10 | 33% | 30°C |
| September | 109mm | 11 | 37% | 26°C |
| October | 96mm | 10 | 33% | 20°C |
| November | 102mm | 10 | 33% | 14°C |
| December | 99mm | 10 | 33% | 8°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For New York we combine the hourly probability curve, expected volume in millimetres, and the city's own rainfall record into a single umbrella verdict.
| Factor | Weight | What it measures |
|---|---|---|
| Hourly probability | 40% | Peak and sustained chance of measurable rain across the next 24 hours. |
| Expected volume | 30% | Total millimetres, which separates a passing shower from a genuine soaking. |
| Timing & duration | 20% | When rain starts, when it eases, and the longest continuous dry window. |
| Local rain type | 10% | Drizzle, brief showers, thunderstorms or monsoon — each needs different gear. |
Live hourly values come from Open-Meteo and refresh through the day. Monthly rainfall figures are climate normals, so they describe a typical year rather than a forecast.
New York records rain on roughly 122 days a year — about a 33% chance on any given day — totalling around 1268mm.
July, with about 117mm over 12 rain days. That is 9% of the entire year's rainfall in a single month.
February is the driest month at 74mm across roughly 8 days. October brings the most pleasant weather with crisp autumn air and colorful foliage.
Always keep an umbrella accessible. New York rain is unpredictable — summer thunderstorms can appear within minutes. A compact umbrella fits easily in any bag.
No. Probability is the chance that at least 0.2mm of rain falls at your location at some point in the period. Check the expected millimetres alongside it: 40% with 0.4mm is a passing shower, 40% with 12mm is a soaking.