The best time to visit Eritrea is Nov–Feb. Month by month, the verdicts rate Sep–Feb as comfortable on both daytime heat and rainfall — 6 months in all.
Two rainy seasons
| Month | High °C | High °F | Rainy days | Verdict |
|---|---|---|---|---|
| January | 27.7 | 82 | 2% | Go |
| February | 29.5 | 85 | 3% | Go |
| March | 31.4 | 89 | 8% | Fair |
| April | 32.7 | 91 | 18% | Fair |
| May | 33.5 | 92 | 13% | Too hot |
| June | 33.2 | 92 | 22% | Too hot |
| July | 28.5 | 83 | 63% | Too wet |
| August | 27.5 | 82 | 72% | Too wet |
| September | 30.2 | 86 | 22% | Go |
| October | 29.6 | 85 | 9% | Go |
| November | 28.7 | 84 | 4% | Go |
| December | 27.6 | 82 | 3% | 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 2% of days and daytime highs near 27.7°C (82°F). August is the wettest, at 72%. The warmest month is May at 33.5°C (92°F); the coolest is August at 27.5°C (82°F). The record rules out too hot in May–Jun; too wet in Jul–Aug.