Hardly any UK towns collect more rain than Oban: 1,878 mm (74 in) a year
A warm July spell here typically peaks at 18.1°C (65°F). The gap between a January night and a July afternoon is 16°C. Its July afternoons stay fresher than in 98% of UK towns. Windscreens need scraping on about 30 mornings a year, the nights the air drops below 0°C.
Met Office 1991–2020 averages for the town itself.
A year in Oban at a glance
Each month’s typical high and low, in °C.
What a year in Oban feels like
Typical highs and lows by season and by month, from the Met Office’s 1991–2020 averages.
About 1,878 mm of rain a year
January is the wettest month and April the driest. About 66 days a year bring 10 mm (0.4 in) or more. 2nd wettest of 5 Argyll and Bute towns of 2,500+.
Rain by month
Millimetres
30 air frosts and 2 days of 25°C a year
On about 30 nights a year the air drops below freezing; days that stay below freezing are rare. About 2 days a year reach 25°C (77°F).
Day counts are 1991–2020 averages from the Met Office’s 2 km grid. The Met Office calls a day of 25°C or more a summer day and a night below 0°C an air frost; ground frosts, on grass, come more often.
The Met Office station at Dunstaffnage
Dunstaffnage is 3.1 miles north-east of Oban, 3 m (10 ft) above sea level. It is the nearest of the 37 long-running stations the Met Office publishes in full.
| Month | High | Low | Rain | Air frosts |
|---|---|---|---|---|
| January | 7.5°C | 2.6°C | 207 mm | 5.9 |
| February | 7.8°C | 2.6°C | 148 mm | 5.7 |
| March | 9.4°C | 3.4°C | 140 mm | 3.9 |
| April | 11.9°C | 5.0°C | 93 mm | 1.5 |
| May | 14.9°C | 7.1°C | 97 mm | 0.6 |
| June | 16.8°C | 9.6°C | 96 mm | 0.0 |
| July | 18.2°C | 11.4°C | 110 mm | 0.0 |
| August | 18.1°C | 11.4°C | 127 mm | 0.0 |
| September | 16.2°C | 9.9°C | 141 mm | 0.0 |
| October | 13.1°C | 7.4°C | 190 mm | 0.5 |
| November | 10.0°C | 4.8°C | 176 mm | 2.7 |
| December | 8.1°C | 3.0°C | 204 mm | 6.2 |
| Year | 12.7°C | 6.5°C | 1,728 mm | 27 |
Met Office historic station data, Dunstaffnage, 1991–2020 months averaged (a month needs 20 of the 30 years; estimated values counted, missing months left out). Sunshine: Campbell-Stokes recorder.
How Oban compares
Against the 2,537 towns and cities of 2,500 or more across the UK, each with its own Met Office averages, and its place among Argyll and Bute towns that size.
Oban weather by month
Average daily high and low, mean temperature and rain, 1991–2020, for the town itself (the Met Office’s HadUK-Grid).
| Month | High | Low | Mean | Rain |
|---|---|---|---|---|
| January | 7.3°C 45°F | 2.5°C 36°F | 4.9°C | 223 mm 8.8 in |
| February | 7.4°C 45°F | 2.1°C 36°F | 4.8°C | 169 mm 6.6 in |
| March | 9.0°C 48°F | 2.9°C 37°F | 5.9°C | 150 mm 5.9 in |
| April | 11.7°C 53°F | 4.4°C 40°F | 8.0°C | 101 mm 4.0 in |
| May | 14.8°C 59°F | 6.7°C 44°F | 10.7°C | 102 mm 4.0 in |
| June | 16.8°C 62°F | 9.3°C 49°F | 12.9°C | 106 mm 4.2 in |
| July | 18.1°C 65°F | 11.0°C 52°F | 14.5°C | 122 mm 4.8 in |
| August | 17.9°C 64°F | 11.0°C 52°F | 14.4°C | 142 mm 5.6 in |
| September | 15.9°C 61°F | 9.5°C 49°F | 12.7°C | 154 mm 6.1 in |
| October | 12.6°C 55°F | 6.9°C 44°F | 9.8°C | 201 mm 7.9 in |
| November | 9.6°C 49°F | 4.4°C 40°F | 7.0°C | 193 mm 7.6 in |
| December | 7.5°C 45°F | 2.3°C 36°F | 4.9°C | 215 mm 8.5 in |
| Year | 12.4°C | 6.1°C | 9.2°C | 1,878 mm |
Where Oban’s numbers come from
Averages over 30 years, not a forecast.
- Mean temperature, rain and day counts: HadUK-Grid 1991–2020 averages for the 1 Met Office 2 km grid square whose centre lies inside Oban’s locality.
- Highs and lows: the Met Office publishes average daily maxima and minima on its 12 km grid; each is moved by the difference between the town’s 2 km mean temperature and the 12 km square’s, which carries the town’s own height and setting over.
- Weather station and sunshine: Met Office historic station data for Dunstaffnage, 3.1 miles away, months of 1991–2020 averaged.
- Comparisons: every town and city of 2,500 or more across the UK, all four nations, read the same way.
Met Office HadUK-Grid · Met Office Climate Data Portal · Historic station data. Open Government Licence v3.0.
Questions about Oban’s climate
How warm does Oban get in summer?
July is the warmest month, with average highs of 18.1°C (65°F). About 2 days a year reach 25°C (77°F), fewer than 91% of UK towns.
How cold does Oban get in winter?
February nights average 2.1°C (36°F). The air drops below freezing on about 30 nights a year, and about under 1 days a year stay below freezing all day.
How much rain does Oban get?
About 1,878 mm (74 in) a year, more than almost every UK town. January is the wettest month (223 mm) and April the driest (101 mm).
Where do these figures come from?
The Met Office’s HadUK-Grid 1991–2020 averages, which turn thousands of weather stations into a map of the UK in 2 km squares; the page reads the squares inside Oban. They are 30-year averages, not a forecast.
Contains Met Office data © Crown copyright 2026, Open Government Licence v3.0. HadUK-Grid 1991–2020 averages via the Met Office Climate Data Portal; station averages from Met Office historic station data. Today’s forecast for Oban →
Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2026. Contains OS data © Crown copyright and database right 2026 (ONS boundaries). Northern Ireland: Source: NISRA; contains Land & Property Services data and Ordnance Survey of Northern Ireland information, © Crown copyright, licensed under the Open Government Licence v3.0. Scotland: contains National Records of Scotland data, Registers of Scotland data and SEPA data, © Crown copyright / © SEPA 2025, licensed under the Open Government Licence v3.0.