Best Time to Visit Grantham: Month-by-Month Guide
Best months for Grantham: July, August, September, June.
- Best months for Grantham: July, August, September, June.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: September. Good weather without the busiest period.
- Wettest months: January, June, April.
- The least pleasant month is January (score 5.1).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 7°C | 2°C | 48 mm | 11 | – | – | 5.1 |
| February | 8°C | 2°C | 39 mm | 10 | – | – | 5.5 |
| March | 10°C | 3°C | 44 mm | 10 | – | – | 5.8 |
| April | 13°C | 5°C | 51 mm | 11 | – | – | 6.1 |
| May | 16°C | 8°C | 53 mm | 11 | – | – | 6.7 |
| June | 19°C | 11°C | 64 mm | 11 | – | – | 7.1 |
| July | 21°C | 13°C | 63 mm | 11 | – | – | 7.5 |
| August | 21°C | 13°C | 65 mm | 11 | – | – | 7.5 |
| September | 18°C | 10°C | 54 mm | 9 | – | – | 7.2 |
| October | 14°C | 8°C | 60 mm | 11 | – | – | 6.4 |
| November | 10°C | 5°C | 56 mm | 11 | – | – | 5.7 |
| December | 7°C | 2°C | 53 mm | 11 | – | – | 5.2 |
Frequently asked questions
When is the best time to visit Grantham?
The best months are July, August, September, June.
When is the rainy season in Grantham?
The wettest months are January, June, April.