Updated: 2026-08-06
The warmest night ever recorded at Leeds Weather Centre came on 3 July 2001, when the temperature never fell below 19.6°C. That was the minimum temperature that night — the highest minimum on record for the station in the period analysed (1985–2004).
It was a night that sat squarely in a remarkably warm spell of July 2001, and it still stands as the benchmark for tropical nights in Leeds more than two decades later.
In meteorological terms, a "warm night" is measured by the daily minimum temperature — the lowest point reached overnight. When that minimum stays exceptionally high, it means the city effectively never got a break from the heat. On 3 July 2001, Leeds saw its minimum stay at 19.6°C, a value that tops every other night in the station's record.
The same summer produced another notable night: 29 July 2001 also made the top five, with a minimum of 19.5°C. The 1995 heatwave — famous across the UK — also delivered, with 19 July 1995 reaching 19.5°C. And August 1990 appears twice in the top five, with 3 August at 19.4°C and 24 August at 18.9°C.
| Date | Minimum temperature (°C) |
|---|---|
| 2001-07-03 | 19.6 |
| 1995-07-19 | 19.5 |
| 2001-07-29 | 19.5 |
| 1990-08-03 | 19.4 |
| 1990-08-24 | 18.9 |
Unsurprisingly, the warmest nights cluster around the height of summer. July holds the overall record at 19.6°C, with August close behind at 19.4°C. June reaches 18.0°C, while September — often still warm — tops out at 16.6°C. Even October has seen a minimum of 15.1°C, a reminder that autumn can occasionally deliver balmy nights in West Yorkshire.
At the other end of the scale, winter nights rarely stay mild. The warmest December night in this period reached 13.0°C, while January's warmest minimum was 10.6°C. The average minimum temperatures tell a similar story: in January, the typical night falls to 2.4°C, while in July it stays at 12.9°C.
| Month | Warmest night (°C) | Average minimum (°C) |
|---|---|---|
| January | 10.6 | 2.4 |
| February | 12.2 | 2.5 |
| March | 11.4 | 3.9 |
| April | 14.0 | 5.0 |
| May | 15.0 | 7.9 |
| June | 18.0 | 10.7 |
| July | 19.6 | 12.9 |
| August | 19.4 | 12.8 |
| September | 16.6 | 10.3 |
| October | 15.1 | 7.6 |
| November | 14.1 | 4.7 |
| December | 13.0 | 3.1 |
Looking at the full annual series from 1985 to 2004, the warmest night of each year shows how variable summers can be. The standout is 2001, with its 19.6°C. The second half of the 1990s also produced strong contenders: 1995 reached 19.5°C, 1996 hit 18.8°C, and 1990 — a famously hot year — peaked at 19.4°C.
Some years never got close to the record. In 1985, the warmest night of the year was just 11.2°C, and 1988 and 1993 both maxed out at 16.1°C. The early 1980s and mid-1990s show a clear contrast in how warm nights can be from one summer to the next.
The chart shows the complete annual series. The table lists the most notable years; the full series comes from Met Office.
| Year | Warmest night (°C) |
|---|---|
| 1985 | 11.2 |
| 1986 | 18.6 |
| 1987 | 18.5 |
| 1990 | 19.4 |
| 1995 | 19.5 |
| 1996 | 18.8 |
| 2001 | 19.6 |
Note that 2004 shows no annual maximum in this dataset, which is why it appears as a dash. The data for that year may be incomplete at this station.
For most of the year, Leeds nights are cool. The average minimum in July is 12.9°C — already a comfortable sleeping temperature. But on 3 July 2001, the city was 6.7 degrees warmer than that July average. A night that stays above 19.6°C means no relief, even after midnight. Windows stay open, fans run all night, and sleep becomes difficult.
Such nights are rare in West Yorkshire. The record stands as a testament to how exceptional the summer of 2001 was, and to how the 1990s and early 2000s delivered several nights that came close to matching it. Whether climate change will push Leeds beyond 20°C minimums in the coming decades is a question for the future — but for now, the 2001 record remains the benchmark.
Source: Met Office — Leeds Weather Centre (1985–2004). Data from the MIDAS archive, UK national weather station network.
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