Updated: 2026-08-12
If you are planning a trip to Birmingham and want the kind of weather that lets you enjoy the city without a coat, the answer jumps out from the historical record: July. In the long-term averages, July brings an average maximum temperature of 24.5°C at the nearest monitoring point, the highest of any month in the year. It is the month when the West Midlands countryside is at its greenest, and when the chances of a warm, dry day are at their best.
The nearest Met Office monitoring point to Birmingham is the station at Halesowen, in the county of West Midlands, situated at an altitude of 153 metres and about 13.3 km from the city centre. The figures below are what that station has recorded; the actual weather you experience in Birmingham itself can differ slightly due to local factors such as altitude variations, the urban heat island effect, or your specific proximity to parks and water. But as a reference for planning, these official records are the most reliable guide available.
The data covers a long sweep of history: from 2 January 1946 to 1 November 2004. That is nearly six decades of daily readings, enough to smooth out individual odd years and reveal the typical rhythm of the seasons in this part of England. When we look at the monthly averages, a clear pattern emerges, and it points firmly to the summer months as the prime window for a visit.
The averages for July are remarkable not just for the warmth, but for how they contrast with the rest of the year. The average daily maximum temperature in July is 21.0°C, the highest of any month. The mean temperature for the month, which blends daytime highs with nighttime lows, sits at 16.2°C. That means even the coolest part of a July day, the average minimum, stays at 11.3°C — a mild contrast to the January average minimum of -4.7°C. For visitors, this means comfortable evenings and no need for heavy winter gear.
August runs a very close second. The average maximum is 20.7°C, the mean temperature is 15.9°C, and the average minimum is 11.1°C. If you cannot make it in July, August is almost as good, and it often comes with the bonus of school holidays and long, light evenings.
The table below shows the full picture for the Halesowen station across the year. Note that the precipitation figures here represent an average daily value, so a lower number means a drier month on the whole.
| Month | Avg Max Temp (°C) | Avg Min Temp (°C) | Avg Daily Precipitation (mm) |
|---|---|---|---|
| January | 6.3 | 0.9 | 2.2 |
| February | 6.8 | 0.6 | 1.8 |
| March | 9.4 | 2.2 | 1.8 |
| April | 12.3 | 3.6 | 1.9 |
| May | 16.0 | 6.4 | 1.9 |
| June | 19.0 | 9.3 | 2.0 |
| July | 21.0 | 11.3 | 1.9 |
| August | 20.7 | 11.1 | 2.3 |
| September | 17.9 | 9.1 | 2.2 |
| October | 13.9 | 6.5 | 2.1 |
| November | 9.4 | 3.4 | 2.5 |
| December | 7.0 | 1.6 | 2.4 |
Looking at the broader picture from the consolidated series, a different view of the year emerges. The average monthly maximum temperature climbs steadily from a chilly 6.3°C in January to its July peak. The average monthly minimum follows a similar arc, starting at 0.9°C in January and reaching 11.3°C in July. The coldest month on average is January, with a mean temperature of 3.8°C, while July tops the warmth scale at 16.2°C.
For precipitation, the monthly totals paint a different picture. October is the wettest month on average, with 431.1 mm of rainfall accumulated over the month. November follows closely with 452.9 mm — actually the highest total of the year — and December is not far behind at 430.2 mm. The driest months are May with 275.0 mm and April with 270.8 mm. Interestingly, the driest month by this measure is May, closely followed by April, making late spring a surprisingly good bet for those who prefer dry conditions over warm ones.
So what is the practical answer? If you want warmth, the data is unambiguous: July is your month, with an average maximum of 21.0°C and a mean temperature of 16.2°C. August is a close second. If you want to balance warmth with dryness, June is a strong contender — it has an average maximum of 19.0°C, a mean of 14.2°C, and monthly precipitation of 284.6 mm, which is among the lower totals of the year. May also offers a reasonable mix: a mean of 10.7°C with the year's lowest precipitation at 275.0 mm.
Autumn brings a sharp decline. September still has a respectable mean of 13.2°C, but October drops to 9.9°C and the rains begin in earnest. Winter is the quiet season: December, January, and February have mean temperatures of 4.5°C, 3.8°C, and 4.1°C respectively, with January's average minimum falling to 0.9°C. If you are planning an outdoor event or a city break with sightseeing in mind, the window from June to September is where the historical odds are stacked in your favour.
These figures are drawn from the official records of the Met Office, the United Kingdom's national weather service. The observations were made at the Halesowen station, which forms part of the Met Office's MIDAS network of weather stations. The series covers the period from 2 January 1946 to 1 November 2004. As with any historical climate data, the records show what the weather did, not what it will do — but for understanding the typical character of each season, they are an invaluable reference. For the most reliable picture of Birmingham's climate, these records from its nearest monitoring point are the best available guide.
Source: Met Office, Halesowen station observations, 1946–2004.
HistoClima Tools: discover the weather on the day you were born, your wedding day, or your birthday-week statistics.
AI-assisted content from official Met Office data, automatically verified. 🤖 IA-assisted content · Art. 50 EU AI Act
© 2026 HistoClima · data: Met Office (OGL v3.0) · not affiliated with Met Office · citation permitted with source.