When to go · Llanberis
Llanberis, month by month
The best months for Llanberis: May, Jun, Sep. Months to avoid: Jan, Feb, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Dec–Feb (ice, short days, railway closed), bank-holiday weekends (car parks fill by 9am).7 °C / 2 °C, 18 rain days45 °F / 36 °F, 18 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Dec–Feb (ice, short days, railway closed), bank-holiday weekends (car parks fill by 9am).7 °C / 2 °C, 15 rain days45 °F / 36 °F, 15 rain daysCrowds: Low
- MarchGoodOutside the best window (May–Jun, Sep). Across United Kingdom: Days lengthen quickly; daffodils and lambs. Easter may fall at the end of the month.9 °C / 3 °C, 16 rain days48 °F / 37 °F, 16 rain daysCrowds: Medium · 1 festival or holiday
- AprilGoodOutside the best window (May–Jun, Sep). Across United Kingdom: Spring gardens and parks; Easter holidays fill London sights and trains.11 °C / 4 °C, 14 rain days52 °F / 39 °F, 14 rain daysCrowds: Medium
- MayGreatInside Llanberis's best window: May–Jun, Sep.15 °C / 7 °C, 13 rain days59 °F / 45 °F, 13 rain daysCrowds: Medium
- JuneGreatInside Llanberis's best window: May–Jun, Sep.17 °C / 10 °C, 13 rain days63 °F / 50 °F, 13 rain daysCrowds: High
- JulyMixedOutside the best window (May–Jun, Sep). Across United Kingdom: School holidays start; peak prices, midges in the west, heat waves in London.19 °C / 12 °C, 14 rain days66 °F / 54 °F, 14 rain daysCrowds: High · 1 festival or holiday
- AugustMixedOutside the best window (May–Jun, Sep). Across United Kingdom: Edinburgh festivals month: book beds months ahead or sleep elsewhere. Coast and national parks full.19 °C / 12 °C, 15 rain days66 °F / 54 °F, 15 rain daysCrowds: High · 1 festival or holiday
- SeptemberGreatInside Llanberis's best window: May–Jun, Sep.17 °C / 10 °C, 14 rain days63 °F / 50 °F, 14 rain daysCrowds: Medium
- OctoberGoodOutside the best window (May–Jun, Sep). Across United Kingdom: Autumn colour, fewer crowds; clocks go back in the last week and evenings darken.13 °C / 8 °C, 17 rain days55 °F / 46 °F, 17 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Jun, Sep). Across United Kingdom: Wet and dark; Christmas lights and markets open late in the month.10 °C / 5 °C, 18 rain days50 °F / 41 °F, 18 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Dec–Feb (ice, short days, railway closed), bank-holiday weekends (car parks fill by 9am).8 °C / 3 °C, 18 rain days46 °F / 37 °F, 18 rain daysCrowds: Medium · 1 festival or holiday