When to go · Grantham
Grantham, month by month
The best months for Grantham: May, Jun, Jul, Aug, Sep. Months to avoid: Jan, Feb.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (cold, limited opening hours).7 °C (45 °F) / 1 °C (34 °F), 12 rain days45 °F (7 °C) / 34 °F (1 °C), 12 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, limited opening hours).8 °C (46 °F) / 1 °C (34 °F), 10 rain days46 °F (8 °C) / 34 °F (1 °C), 10 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.11 °C (52 °F) / 3 °C (37 °F), 9 rain days52 °F (11 °C) / 37 °F (3 °C), 9 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.14 °C (57 °F) / 5 °C (41 °F), 8 rain days57 °F (14 °C) / 41 °F (5 °C), 8 rain daysCrowds: Medium
- MayGreatInside Grantham's best window: May–Sep.18 °C (64 °F) / 8 °C (46 °F), 7 rain days64 °F (18 °C) / 46 °F (8 °C), 7 rain daysCrowds: Medium
- JuneGreatInside Grantham's best window: May–Sep.21 °C (70 °F) / 12 °C (54 °F), 6 rain days70 °F (21 °C) / 54 °F (12 °C), 6 rain daysCrowds: High
- JulyGreatInside Grantham's best window: May–Sep.24 °C (75 °F) / 14 °C (57 °F), 5 rain days75 °F (24 °C) / 57 °F (14 °C), 5 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Grantham's best window: May–Sep.23 °C (73 °F) / 14 °C (57 °F), 6 rain days73 °F (23 °C) / 57 °F (14 °C), 6 rain daysCrowds: High · 1 festival or holiday
- SeptemberGreatInside Grantham's best window: May–Sep.20 °C (68 °F) / 11 °C (52 °F), 8 rain days68 °F (20 °C) / 52 °F (11 °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) / 7 °C (45 °F), 10 rain days59 °F (15 °C) / 45 °F (7 °C), 10 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Sep). Across United Kingdom: Wet and dark; Christmas lights and markets open late in the month.10 °C (50 °F) / 3 °C (37 °F), 12 rain days50 °F (10 °C) / 37 °F (3 °C), 12 rain daysCrowds: Low
- DecemberMixedOutside the best window (May–Sep). Across United Kingdom: Christmas markets and shows; transport stops on the 25th and hotels spike around New Year.7 °C (45 °F) / 1 °C (34 °F), 13 rain days45 °F (7 °C) / 34 °F (1 °C), 13 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Grantham, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 18 °C (64 °F)64 °F (18 °C)
Jun: 21 °C (70 °F)70 °F (21 °C)
Night low
May: 8 °C (46 °F)46 °F (8 °C)
Jun: 12 °C (54 °F)54 °F (12 °C)
Rain days
May: 7
Jun: 6 (better)
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 0
Jun: 0
May: Inside Grantham's best window: May–Sep.
June: Inside Grantham's best window: May–Sep.
Grantham: figures are long-term averages from this guide, not a forecast.