San Juan weather by month
San Juan has warm summers, no real winter and plenty of rain. The warm, dry month is February.
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Month by month
Average daytime high, night low, rain or snow, how the air feels and how strong the sun is, 1991–2020. Best months are highlighted.
| Month | High | Low | Rain | Air | Sun |
|---|---|---|---|---|---|
| January | 85°F 29°C | 68°F 20°C | 4.1 in 105 mm | Humid | Sunny |
| February | 85°F 29°C | 68°F 20°C | 2.3 in 58 mm | Humid | Sunny |
| March | 85°F 30°C | 68°F 20°C | 3.3 in 83 mm | Humid | Strong sun |
| April | 87°F 31°C | 70°F 21°C | 4.8 in 123 mm | Muggy | Strong sun |
| May | 88°F 31°C | 72°F 22°C | 7.0 in 177 mm | Muggy | Strong sun |
| June | 90°F 32°C | 74°F 23°C | 5.1 in 130 mm | Muggy | Strong sun |
| July | 90°F 32°C | 74°F 23°C | 6.6 in 167 mm | Muggy | Strong sun |
| August | 90°F 32°C | 74°F 24°C | 7.4 in 189 mm | Muggy | Strong sun |
| September | 90°F 32°C | 74°F 23°C | 6.5 in 166 mm | Muggy | Sunny |
| October | 90°F 32°C | 73°F 23°C | 5.7 in 144 mm | Muggy | Sunny |
| November | 88°F 31°C | 72°F 22°C | 7.4 in 188 mm | Muggy | Sunny |
| December | 86°F 30°C | 70°F 21°C | 5.4 in 138 mm | Muggy | Sunny |
Cities with a climate like San Juan
Whole-year match out of 100, one city per country, seasons lined up across the equator.
- Santo Domingo Este Dominican Republic89
- New Kingston Jamaica89
- Port-de-Paix Haiti86
- Port Moresby Papua New Guinea85
- Cúcuta Colombia85
- San Pedro Sula Honduras85