The best time to visit Kuwait is Nov–Apr. It is the only stretch of the year — 6 months — rated go on both daytime heat and rainfall.
Summer 40°C+ furnace
| Month | High °C | High °F | Rainy days | Verdict |
|---|---|---|---|---|
| January | 17.7 | 64 | 9% | Go |
| February | 19.4 | 67 | 7% | Go |
| March | 23.9 | 75 | 5% | Go |
| April | 29.5 | 85 | 5% | Go |
| May | 36.0 | 97 | 1% | Too hot |
| June | 40.2 | 104 | 0% | Too hot |
| July | 41.7 | 107 | 0% | Too hot |
| August | 42.0 | 108 | 0% | Too hot |
| September | 39.1 | 102 | 0% | Too hot |
| October | 33.6 | 92 | 2% | Too hot |
| November | 25.4 | 78 | 5% | Go |
| December | 19.7 | 67 | 7% | 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.
June is the driest month, with rain on 0% of days and daytime highs near 40.2°C (104°F). January is the wettest, at 9%. Temperature swings hard across the year — 24.3°C between August (42.0°C / 108°F) and January (17.7°C / 64°F) — so packing for the wrong month is the main risk. The record rules out too hot in May–Oct.