Lerwick weather in August
Temperature, sea and sunshine in August: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in August
Poor
Best time to visit: May – June
What is the weather like in Lerwick in August?
In August, Lerwick is cool: daytime highs average 14 °C, and nights cool down to about 12 °C. The sea averages 13.0 °C – swimming is only for the hardy. Expect around 4 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 73 mm in total. It is often windy, with gusts of around 33 km/h. All in all, August is not an ideal month for a holiday in Lerwick.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 14 | 13 | 6 |
| Day | 13° | 14° | 13° |
| Night | 12° | 12° | 11° |
| Sea | 12° | 13° | 12° |
| Sun | 4 h | 4 h | 3 h |
| Rain days | 11 | 12 | 15 |
More details for August
- Daylight
- 15 h 47 min05:16 – 21:03
- UV index
- 4 · moderateclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 33 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1Europe/London
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %22 %
- Few rainy daysweight 20 %42 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
Lerwick in August: quick answers
Is Lerwick hot in August?
No. In August, Lerwick is cool: daytime highs average 14 °C and nights drop to about 12 °C.
Can you swim in Lerwick in August?
Only if you don't mind cold water: in August the sea averages just 13.0 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Lerwick in August?
Rain is frequent, with about 12 rainy days and 73 mm in total.
Lerwick month by month
The whole year in LerwickAll destinations: United KingdomWhere to go in AugustSea temperature in August
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences