Paris records about 641mm of rain across roughly 111 wet days a year, which is a 30% chance on an average day. May is the wettest month at 63mm (10% of the annual total) and February the driest at 42mm. Local rain type: steady rain. Keep a stylish umbrella handy from March through November. Parisian rain tends to arrive in extended drizzles rather than sudden bursts.
Chance of rain on an average day: 30%
Rainfall climatology for Paris. 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 | 641mm |
| Rain days per year | 111 |
| Odds on an average day | 30% |
| Wettest month | May — 63mm over 11 days |
| Driest month | February — 42mm over 7 days |
| Rain type | steady rain |
| Best dry window | July and August provide the warmest, driest conditions for exploring outdoor attractions. |
| Worst rain window | Late autumn and early spring bring the most grey, drizzly days. |
May delivers 50% more rain than February (63mm vs 42mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 10% of the annual total, so rain in Paris is spread through the year — there is no season you can rely on being dry.
Paris rain typically comes as discrete showers, so a compact umbrella and a flexible plan are usually enough.
Rain falls on about 11 days in May against 7 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 | 51mm | 9 | 30% | 7°C |
| February | 42mm | 7 | 23% | 7°C |
| March | 48mm | 8 | 27% | 10°C |
| April | 52mm | 9 | 30% | 14°C |
| May | 63mm | 11 | 37% | 18°C |
| June | 50mm | 9 | 30% | 22°C |
| July | 62mm | 11 | 37% | 25°C |
| August | 53mm | 9 | 30% | 25°C |
| September | 55mm | 9 | 30% | 22°C |
| October | 60mm | 10 | 33% | 18°C |
| November | 52mm | 9 | 30% | 14°C |
| December | 56mm | 10 | 33% | 10°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Paris 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.
Paris records rain on roughly 111 days a year — about a 30% chance on any given day — totalling around 641mm.
May, with about 63mm over 11 rain days. That is 10% of the entire year's rainfall in a single month.
February is the driest month at 42mm across roughly 7 days. July and August provide the warmest, driest conditions for exploring outdoor attractions.
Keep a stylish umbrella handy from March through November. Parisian rain tends to arrive in extended drizzles rather than sudden bursts.
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.