Weather in Glasgow in March
United Kingdom · 20-year averages, March
The month to avoid. Of the twelve, March is the one to avoid. Highs sit at 7.8 °C and the day is short; this is an indoors-with-excursions month, not an outdoors-all-day one.
March ranks 8 of 12 in Glasgow: past the worst of the year but short of July, which is the month to book if the dates are open.
This is persistent light rain rather than storms: 17 wet days but only 2 heavy ones. It rarely cancels anything outright, and it rarely fully clears either. A jacket beats an umbrella. Layers, and a genuinely waterproof outer — at 7.8 °C the difference between a good day and a miserable one is entirely down to what you are wearing.
What the averages hide
Averages flatten a month, and this one hides a few things: 5 nights fall below freezing; the day barely swings — 5.3 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest March day reached 16.9 °C and the coldest night fell to -7 °C.
March is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest March on record still delivered 155 mm against 46 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 94 mm average is a reasonable planning figure, not a promise.
Wind is light at 14.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 91%, which at 7.8 °C means damp rather than muggy — the kind of cold that gets into a coat and stays there.
How March sits in the year
The month is on the way up: 1.7 °C warmer than February, and April adds another 3 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in March
11.7 hours of daylight, gaining 2.3 hours across the month. That is between Glasgow's extremes of 17.5 and 7 hours, so days are long enough not to constrain the plan.
An inland climate
Despite being inland, the year stays fairly even: 16.1 °C between the year's warmest afternoons and coldest nights.
How busy it gets
Quiet. Few other visitors, cheaper rooms, and a real chance some seasonal operators are shut.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
March in Glasgow versus nearby
If Glasgow is one option among several, the nearby comparison is worth making. Edinburgh is close enough to be a coin toss — within a degree on temperature, 3 days less rain. Manchester is a better bet in March — within a degree on temperature, 3 days less rain.
So: March is a compromise. July is 28 points better and is what Glasgow is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.
Every month in Glasgow
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Score |
|---|---|---|---|---|---|---|---|
| January | 5.7 | 2.1 | 21 | 137 | 95 | 7.6 | 19 |
| February | 6.1 | 1.9 | 17 | 102 | 94 | 9.6 | 24 |
| March | 7.8 | 2.6 | 17 | 94 | 91 | 11.7 | 31 |
| April | 10.8 | 4.3 | 16 | 76 | 87 | 14.1 | 44 |
| May | 13.9 | 6.7 | 18 | 92 | 84 | 16.2 | 49 |
| June | 16.5 | 9.7 | 20 | 106 | 85 | 17.5 | 54 |
| July | 18 | 11.3 | 22 | 122 | 86 | 17 | 59 |
| August | 17.6 | 11.1 | 22 | 137 | 88 | 15.2 | 57 |
| September | 15.5 | 9.5 | 18 | 106 | 90 | 12.9 | 53 |
| October | 12.1 | 7.1 | 20 | 143 | 92 | 10.6 | 40 |
| November | 8.5 | 4.5 | 20 | 134 | 94 | 8.3 | 28 |
| December | 6.2 | 2.6 | 20 | 131 | 95 | 7 | 21 |
See all twelve months in Glasgow, or where else to go in March.
Planning the rest of the trip
- Flight time to Glasgow how long you are actually in the air
- Glasgow time zone and the difference from home
- Days until your trip count down to the departure date