The climate in San Juan during October can be summarized as mild and a little damp.
October is in the spring in San Juan and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 7°C (45°F) is normal.
|Daytime temperature||20°C 68°F|
|Nightly temperature||7°C 44.6°F|
|Average temperature||13.5°C 56.3°F|
|Daily sunshine||5.5 hrs|
|Avg rainfall||94 mm 3.7 ins|
|Rainy days||10 days|
|Sea temperature||18°C 64.4°F|
|Windspeed||14.4kph 9 mph|
On average October is the 4th wettest month of the year in San Juan with around 94mm 3.7 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Juan in October 2022.
|Hottest month:||November||20.2°C 68.4°F|
|Driest month:||July||11mm 0.4ins|
|Coldest month:||July||19.3°C 66.7°F|
|Wettest month:||March||126mm 5ins|