Reykjavík vs San Juan in December
San Juan is the better pick in December — 77 vs 32 on SeasonMap's comfort score. San Juan is hot, a little rain, clean air, while Reykjavík is freezing, rainy, clean air.
Reykjavík vs San Juan — December climate, side by side
| Reykjavík | San Juan | |
|---|---|---|
| Comfort score | 32/100 (F) | 77/100 (B) |
| Feels-like high | -5°C | 31°C |
| Avg high / low | 0° / -5° | 29° / 23° |
| Rainfall | 93 mm | 38 mm |
| Rainy days | 13 | 12 |
| Humidity | 79% | 80% |
| Air quality (AQI) | 37 | 32 |
Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.
Reykjavík vs San Juan in December — FAQ
- Is December better in Reykjavík or San Juan?
- San Juan is the better pick in December — 77 vs 32 on SeasonMap's comfort score. San Juan is hot, a little rain, clean air, while Reykjavík is freezing, rainy, clean air.
- What is the weather like in Reykjavík vs San Juan in December?
- In December, Reykjavík averages 0°C high / -5°C low with about 93 mm of rain; San Juan averages 29°C high / 23°C low with about 38 mm.