
Loch Fyne
- Annual mean
- 8.3 °C
- Warmest month
- July
- Wettest month
- January
Detailed twelve month climate averages for temperature, precipitation, and wind patterns.
Access long-term monthly climate statistics for the Loch Sween Marine Protected Area in Argyll and Bute. This record covers average temperature, daily precipitation rates, relative humidity, wind speed, and daylight hours derived from NASA POWER measurements between 1991 and 2020. These values reflect climatology for a single representative point at 97.58 meters elevation and provide a consistent baseline for understanding annual atmospheric cycles.

Comparing twelve monthly temperature ranges with average daily precipitation rates for Loch Sween
Compare long-term temperature bounds, precipitation rates, humidity, and calculated daylight across the calendar year.
| Mean temperature | Precipitation | Humidity | Wind speed | Daylight | |
|---|---|---|---|---|---|
| January | 5.1 °C0.4° to 10° | 5.4 mm/day | 89.5% | 8.1 m/s | 7.4 hours |
| February | 4.8 °C0° to 9.4° | 4.7 mm/day | 88.9% | 7.8 m/s | 9.3 hours |
| March | 5.6 °C0.6° to 10.5° | 3.9 mm/day | 87.9% | 7.2 m/s | 11.5 hours |
| April | 7.3 °C1.7° to 13.5° | 3 mm/day | 85.9% | 6.3 m/s | 13.9 hours |
| May | 9.8 °C3.6° to 17.4° | 2.9 mm/day | 83.8% | 5.7 m/s | 16.1 hours |
| June | 12.3 °C7° to 19.1° | 3.3 mm/day | 84.4% | 5.3 m/s | 17.2 hours |
| July | 13.9 °C9.1° to 20.4° | 3.7 mm/day | 85.9% | 5.1 m/s | 16.7 hours |
| August | 13.9 °C9.2° to 19.4° | 4.1 mm/day | 86.7% | 5.3 m/s | 14.8 hours |
| September | 12.5 °C7.3° to 17.7° | 4 mm/day | 87.1% | 6.2 m/s | 12.4 hours |
| October | 10 °C4.6° to 15.1° | 5.1 mm/day | 87.8% | 7 m/s | 10 hours |
| November | 7.5 °C2.3° to 12.5° | 5.3 mm/day | 88.8% | 7.4 m/s | 7.9 hours |
| December | 5.6 °C0.8° to 10.8° | 5.4 mm/day | 89.5% | 7.6 m/s | 6.8 hours |
See two months side by side and how much they differ. Both use the same 1991–2020 climate normals and NASA POWER data point as the table above, so they show typical conditions, not a forecast.
Comparing long-term monthly averages to identify high and low points across twelve annual data cycles.
Interactive climate map
Open the climate map to compare monthly temperature, precipitation, and other averages.
Compare monthly climate normals and annual weather patterns across protected landscapes







Navigate the complex coastal terrain and mapped features of Loch Sween through the MoriAtlas dataset. Deepen your understanding of this significant marine protected area and its role within the wider geography of the Argyll and Bute region.