Ghana has two good windows: August and Dec–Feb. They sit either side of the season the climate record rules out, which is why the shoulder months matter here. The recommended window is Aug, Dec–Jan.
Summer monsoon
| Month | High °C | High °F | Rainy days | Verdict |
|---|---|---|---|---|
| January | 30.1 | 86 | 22% | Go |
| February | 30.3 | 87 | 41% | Go |
| March | 29.9 | 86 | 77% | Too wet |
| April | 29.3 | 85 | 92% | Too wet |
| May | 28.6 | 83 | 95% | Too wet |
| June | 27.2 | 81 | 91% | Too wet |
| July | 26.1 | 79 | 58% | Too wet |
| August | 26.0 | 79 | 38% | Go |
| September | 26.9 | 80 | 73% | Too wet |
| October | 27.9 | 82 | 87% | Too wet |
| November | 29.0 | 84 | 58% | Too wet |
| December | 29.9 | 86 | 22% | Go |
Verdict combines mean daytime high with rainy-day frequency. “Rainy days” is the share of days in the month with at least 1 mm of rain.
January is the driest month, with rain on 22% of days and daytime highs near 30.1°C (86°F). May is the wettest, at 95%. The warmest month is February at 30.3°C (87°F); the coolest is August at 26.0°C (79°F). The record rules out too wet in Mar–Jul, Sep–Nov.