Updated: 2026-07-31
The point of measurement closest to Glasgow is the Met Office station at Aberfoyle (Perthshire in Central Region), situated at 28 m altitude, about 35.6 km from the city centre. These are its official historical records. Remember that conditions in Glasgow itself can differ from those at the station due to local factors — urban heat, proximity to the Clyde, and valley sheltering — so treat this as the best available reference, not an exact measurement of the city.
-14.4°CLowest January temperature recorded at Aberfoyle station
On 7 January 1970, the thermometer at Aberfoyle dropped to this value — the coldest January reading in the entire 1968–2001 period you are about to see. That morning, frost would have been severe, with ice thick on the ground and the kind of cold that penetrates everything. This is the record to beat when you ask how cold January can get near Glasgow.
The date — 7 January 1970 — came during a notably cold spell in central Scotland. For context, the station at Aberfoyle has been recording since 1968, and this reading from the early hours of that January day still stands as the absolute minimum for the month in its whole history. No other January in the following three decades came close to matching it.
The complete daily series for Aberfoyle runs from 1 January 1968 to 1 October 2001. Within that long record, the January minimum of -14.4°C on 7 January 1970 is the single coldest temperature ever noted during any January month. The rest of the station's January minima cluster well above this extreme — typical cold January nights might register only a few degrees below zero, making this 1970 reading a genuine outlier.
Why does this matter? Because when planning outdoor events, construction work, or travel in the Glasgow area during January, this record shows the worst-case scenario the local climate has produced in recent decades. A -14.4°C reading is the kind of cold that freezes pipes, kills unprotected plants, and makes untreated roads dangerous. The good news: it has not happened again since 1970 across more than 30 years of subsequent observations.
| Metric | Value |
|---|---|
| Lowest January temperature | -14.4°C |
| Date of record | 7 January 1970 |
January is typically the coldest month in central Scotland, and the 1970 reading reflects a period when continental cold air pushed south over the Highlands. The -14.4°C figure is not just a number — it represents a specific meteorological setup: clear skies, deep snow cover, and an extended period of high pressure that allowed heat to radiate away at night. The nearby Trossachs hills and the flat valley floor around Aberfoyle would have pooled that cold air, helping the temperature fall so low.
For comparison, the minimum temperatures you might expect on a typical cold January morning in the same area are far milder. But when looking for the absolute limit — the record — 1970 is the year. The fact that it remains unbeaten through 2001 suggests that extreme January minima above this level are rare in this part of Scotland, even if winters have varied considerably over the decades.
If you are researching Glasgow's cold extremes, or choosing a date for a winter event, know this: the coldest January ground-level minimum recorded near Glasgow in the observed period is -14.4°C, set on 7 January 1970. That is your benchmark for an exceptional cold outbreak. Normal winters rarely approach it, but the record shows what this climate is capable of when the conditions align perfectly.
The 1968–2001 record at Aberfoyle gives us a clean, consistent dataset from one location, maintained to Met Office standards throughout its operation. While Glasgow's urban heat island might make the city itself a few degrees warmer than this rural station on the same night, the record stands as the most reliable indicator of how cold January can get in the wider region.
Source: Met Office, UK national meteorological service — station at Aberfoyle (Perthshire in Central Region), period 1968–2001. Data from the MIDAS archive (Open Government Licence, OGL v3.0).
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