San Juan Weather in July
What's the weather like in San Juan (Ilocos) in July 2025?
The climate in San Juan during July can be summarized as hot, humid and very wet.
July is in the summer in San Juan and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a steamy 31°C (88°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 31.2°C 88.1°F |
|---|---|
| Nightly temperature | 23.9°C 74.9°F |
| Average temperature | 27.5°C 81.5°F |
| Daily sunshine | 6.9 hrs |
| Avg rainfall | 507 mm 19.9 ins |
| Rainy days | 19 days |
| Sea temperature | 29.7°C 85.4°F |
| Humidity | 84% |
| Windspeed | 10.4kph 7 mph |
On average July is the 2nd wettest month of the year in San Juan with around 507mm 19.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.9 hours of sunshine per day.
July temperatures in San Juan
July rainfall
July hourly sunshine
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 July 2025.
Other monthly averages
San Juan weather stats
| Hottest month: | May | 33.1°C 91.6°F |
|---|---|---|
| Driest month: | January | 2mm 0.1ins |
| Sunniest month: | February | 9.8hrs |
| Coldest month: | January | 29.7°C 85.5°F |
| Wettest month: | August | 684mm 26.9ins |
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