Birmingham records about 692mm of rain across roughly 130 wet days a year, which is a 36% chance on an average day. November is the wettest month at 68mm (10% of the annual total) and February the driest at 47mm. Local rain type: drizzle. Birmingham gets moderate but persistent rain spread throughout the year. A light waterproof layer is essential for any visit.
Chance of rain on an average day: 36%
Rainfall climatology for Birmingham. 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 | 692mm |
| Rain days per year | 130 |
| Odds on an average day | 36% |
| Wettest month | November — 68mm over 13 days |
| Driest month | February — 47mm over 9 days |
| Rain type | drizzle |
| Best dry window | April through June offers the best dry weather for exploring the city's canal walks. |
| Worst rain window | August and October tend to be the wettest months with occasional heavy showers. |
November delivers 45% more rain than February (68mm vs 47mm). 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 Birmingham is spread through the year — there is no season you can rely on being dry.
Birmingham rain is mostly persistent drizzle, where a waterproof shell beats an umbrella.
Rain falls on about 13 days in November against 9 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 | 60mm | 11 | 37% | 7°C |
| February | 47mm | 9 | 30% | 7°C |
| March | 48mm | 9 | 30% | 9°C |
| April | 52mm | 10 | 33% | 12°C |
| May | 54mm | 10 | 33% | 16°C |
| June | 57mm | 11 | 37% | 19°C |
| July | 56mm | 11 | 37% | 21°C |
| August | 68mm | 13 | 43% | 21°C |
| September | 55mm | 10 | 33% | 19°C |
| October | 67mm | 13 | 43% | 16°C |
| November | 68mm | 13 | 43% | 12°C |
| December | 61mm | 11 | 37% | 9°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Birmingham 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.
Birmingham records rain on roughly 130 days a year — about a 36% chance on any given day — totalling around 692mm.
November, with about 68mm over 13 rain days. That is 10% of the entire year's rainfall in a single month.
February is the driest month at 47mm across roughly 9 days. April through June offers the best dry weather for exploring the city's canal walks.
Birmingham gets moderate but persistent rain spread throughout the year. A light waterproof layer is essential for any visit.
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.