Lyme Regis 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: July – August
What is the weather like in Lyme Regis in August?
In August, Lyme Regis is mild: daytime highs average 20 °C, and nights cool down to about 14 °C. The sea averages 17.1 °C – bracing, so a wetsuit helps for longer swims. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 59 mm in total. All in all, August is not an ideal month for a holiday in Lyme Regis.
August compared
How the weather changes from July to September. Tap a month to open it.
| JulyJul | AugustAug | SeptemberSep | |
|---|---|---|---|
| Score | 33 | 29 | 22 |
| Day | 20° | 20° | 18° |
| Night | 14° | 14° | 12° |
| Sea | 16° | 17° | 17° |
| Sun | 7 h | 6 h | 5 h |
| Rain days | 10 | 10 | 9 |
More details for August
- Daylight
- 14 h 37 min05:58 – 20:35
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 66 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+1Europe/London
How the score comes together
- Temperatureweight 35 %17 %
- Seaweight 25 %1 %
- Sunshineweight 20 %57 %
- Few rainy daysweight 20 %57 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in August
- Wetsuit for longer swims
- Sunscreen
- A jumper for the evenings
- Rain jacket or umbrella
Lyme Regis in August: quick answers
Is Lyme Regis hot in August?
No. In August, Lyme Regis is mild: daytime highs average 20 °C and nights drop to about 14 °C.
Can you swim in Lyme Regis in August?
Only if you don't mind cold water: in August the sea averages just 17.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Lyme Regis in August?
Rain is frequent, with about 10 rainy days and 59 mm in total.
Lyme Regis month by month
The whole year in Lyme RegisAll 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