What is the weather like in Reykjavík vs San Juan in October?

In October, Reykjavík averages 8°C high / 3°C low with about 127 mm of rain; San Juan averages 32°C high / 25°C low with about 131 mm.

Reykjavík vs San Juan in October

San Juan is the better pick in October — 63 vs 56 on SeasonMap's comfort score. San Juan is sweltering, rainy, clean air, while Reykjavík is cold, rainy, clean air.

Reykjavík vs San Juan — October climate, side by side

	🇮🇸 Reykjavík	🇵🇷 San Juan
Comfort score	56/100 (D)	63/100 (C)
Feels-like high	4°C	37°C
Avg high / low	8° / 3°	32° / 25°
Rainfall	127 mm	131 mm
Rainy days	17	12
Humidity	86%	84%
Air quality (AQI)	30	31

Monthly climate normals (ERA5 reanalysis). Comfort scores are SeasonMap estimates.

Month by month

Reykjavík vs San Juan in October — FAQ

Is October better in Reykjavík or San Juan?: San Juan is the better pick in October — 63 vs 56 on SeasonMap's comfort score. San Juan is sweltering, rainy, clean air, while Reykjavík is cold, rainy, clean air.
What is the weather like in Reykjavík vs San Juan in October?: In October, Reykjavík averages 8°C high / 3°C low with about 127 mm of rain; San Juan averages 32°C high / 25°C low with about 131 mm.