When to go · Isle of Portland
Isle of Portland, month by month
The best months for Isle of Portland: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Nov–Feb (wind, rain, many closures).8.7 °C (48 °F) / 5.2 °C (41 °F), 14 rain days48 °F (8.7 °C) / 41 °F (5.2 °C), 14 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Nov–Feb (wind, rain, many closures).8.4 °C (47 °F) / 4.7 °C (40 °F), 11 rain days47 °F (8.4 °C) / 40 °F (4.7 °C), 11 rain daysCrowds: Low
- MarchGoodOutside the best window (May–Sep). Across United Kingdom: Days lengthen quickly; daffodils and lambs. Easter may fall at the end of the month.9.7 °C (49 °F) / 5.6 °C (42 °F), 11 rain days49 °F (9.7 °C) / 42 °F (5.6 °C), 11 rain daysCrowds: Medium · 1 festival or holiday
- AprilGoodOutside the best window (May–Sep). Across United Kingdom: Spring gardens and parks; Easter holidays fill London sights and trains.11.9 °C (53 °F) / 7 °C (45 °F), 10 rain days53 °F (11.9 °C) / 45 °F (7 °C), 10 rain daysCrowds: Medium
- MayGreatInside Isle of Portland's best window: May–Sep.14.5 °C (58 °F) / 9.5 °C (49 °F), 9 rain days58 °F (14.5 °C) / 49 °F (9.5 °C), 9 rain daysCrowds: Medium
- JuneGreatInside Isle of Portland's best window: May–Sep.17 °C (63 °F) / 12.2 °C (54 °F), 8 rain days63 °F (17 °C) / 54 °F (12.2 °C), 8 rain daysCrowds: High
- JulyGreatInside Isle of Portland's best window: May–Sep.19 °C (66 °F) / 14.3 °C (58 °F), 7 rain days66 °F (19 °C) / 58 °F (14.3 °C), 7 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Isle of Portland's best window: May–Sep.19.5 °C (67 °F) / 14.8 °C (59 °F), 8 rain days67 °F (19.5 °C) / 59 °F (14.8 °C), 8 rain daysCrowds: High · 1 festival or holiday
- SeptemberGreatInside Isle of Portland's best window: May–Sep.18.1 °C (65 °F) / 13.4 °C (56 °F), 8 rain days65 °F (18.1 °C) / 56 °F (13.4 °C), 8 rain daysCrowds: Medium
- OctoberGoodOutside the best window (May–Sep). Across United Kingdom: Autumn colour, fewer crowds; clocks go back in the last week and evenings darken.15 °C (59 °F) / 11.1 °C (52 °F), 12 rain days59 °F (15 °C) / 52 °F (11.1 °C), 12 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Feb (wind, rain, many closures).11.9 °C (53 °F) / 8.2 °C (47 °F), 13 rain days53 °F (11.9 °C) / 47 °F (8.2 °C), 13 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Nov–Feb (wind, rain, many closures).9.6 °C (49 °F) / 6 °C (43 °F), 14 rain days49 °F (9.6 °C) / 43 °F (6 °C), 14 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Isle of Portland, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 14.5 °C (58 °F)58 °F (14.5 °C)
Jun: 17 °C (63 °F)63 °F (17 °C)
Night low
May: 9.5 °C (49 °F)49 °F (9.5 °C)
Jun: 12.2 °C (54 °F)54 °F (12.2 °C)
Rain days
May: 9
Jun: 8 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 0
Jun: 0
May: Inside Isle of Portland's best window: May–Sep.
June: Inside Isle of Portland's best window: May–Sep.
Isle of Portland: figures are long-term averages from this guide, not a forecast.