San Juan 30-day weather forecast
Beyond about 10 days any forecast drifts towards the usual weather for the time of year, so read the outlook as what is typical for the date, not as a prediction for that day.
San Juan day-by-day calendar
- Days 1–16: daily forecast model
- Days 17–30: outlook (30-day statistical model), with the usual high / low for the date
| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
77 NovTodayForecast  31° / 24° Rain 100% | 8Forecast 30° / 24° Rain 100% | |||||
9Forecast  30° / 23° Rain 100% | 10Forecast 30° / 24° Rain 79% | 11Forecast 32° / 24° Rain 47% | 12Forecast  32° / 24° Rain 39% | 13Forecast 33° / 25° Rain 41% | 14Forecast 32° / 25° Rain 29% | 15Forecast  32° / 23° Rain 25% |
16Forecast 31° / 23° Rain 51% | 17Forecast 31° / 23° Rain 65% | 18Forecast 30° / 23° Rain 64% | 19Forecast 29° / 23° Rain 64% | 20Forecast 30° / 23° Rain 68% | 21Forecast 29° / 23° Rain 7.9 mm | 22Forecast 31° / 25° Rain 4.7 mm |
23Outlook  28° / 28° Rain 0.7 mm Usual 30° / 24°C | 24Outlook  28° / 28° — Usual 30° / 24°C | 25Outlook 28° / 28° Rain 0.2 mm Usual 30° / 24°C | 26Outlook 28° / 28° Rain 0.9 mm Usual 30° / 24°C | 27Outlook 28° / 28° Rain 2 mm Usual 30° / 24°C | 28Outlook 28° / 28° Rain 1 mm Usual 30° / 24°C | 29Outlook 28° / 28° Rain 0.9 mm Usual 30° / 24°C |
30Outlook 28° / 28° Rain 0.8 mm Usual 30° / 24°C | 1 DecOutlook 28° / 27° Rain 2.2 mm Usual 28° / 23°C | 2Outlook  28° / 27° — Usual 28° / 23°C | 3Outlook 28° / 28° Rain 0.2 mm Usual 28° / 23°C | 4Outlook 28° / 27° Rain 10.6 mm Usual 28° / 23°C | 5Outlook 28° / 27° Rain 27.7 mm Usual 28° / 23°C | 6Outlook 28° / 28° Rain 3.7 mm Usual 28° / 23°C |
San Juan weather in November
November in San Juan: highs around 30°C, lows around 24°C and about 108 mm of rain.
November
- Average high
- 30°C
- Average low
- 24°C
- Precipitation
- 108 mm
- Record high
- 32°C
- Record low
- 21°C
December
- Average high
- 28°C
- Average low
- 23°C
- Precipitation
- 89 mm
- Record high
- 30°C
- Record low
- 19°C
Climate averages from historical daily data.
San Juan weather by month →San Juan 30-day forecast: your questions
What is the 30 day forecast for San Juan?
The 30-day view for San Juan starts with 15 days of forecast: highs from 23°C up to 33°C on Friday, and rain likely on 13 of them (78.3 mm in all). After that it shows the usual December weather: highs near 28°C, lows near 23°C, about 89.3 mm over the month. Day by day: San Juan 10-day forecast.
What will the weather be in San Juan next month?
In December, San Juan usually has highs around 28°C and lows around 23°C, with about 89.3 mm of rain. The records are 30°C and 19°C. Month by month: San Juan weather by month.
