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 1–15: daily forecast model
  • Days 16–30: outlook (30-day statistical model), with the usual high / low for the date
San Juan day-by-day calendar
MonTueWedThuFriSatSun
7Forecast
Light drizzle
32°
/ 24°
Rain 80%
8Forecast
Light drizzle
33°
/ 25°
Rain 92%
9Forecast
Light drizzle
33°
/ 25°
Rain 59%
10Forecast
Light drizzle
31°
/ 25°
Rain 75%
11Forecast
Light drizzle
31°
/ 25°
Rain 73%
12Forecast
Overcast
32°
/ 26°
Rain 67%
13Forecast
Sunny
33°
/ 25°
Rain 55%
14Forecast
Light drizzle
32°
/ 24°
Rain 51%
15Forecast
Light drizzle
33°
/ 24°
Rain 37%
16Forecast
Sunny
33°
/ 25°
Rain 47%
17Forecast
Drizzle
32°
/ 26°
Rain 51%
18Forecast
Mostly sunny
33°
/ 24°
Rain 51%
19Forecast
Light drizzle
33°
/ 25°
Rain 53%
20Forecast
Light drizzle
33°
/ 25°
Rain 49%
21Forecast
Light drizzle
32°
/ 23°
Rain 2.9 mm
22Outlook
Light rain
31°
/ 25°
Rain 4.2 mm
Usual 29° / 24°C
23Outlook
Light rain
31°
/ 25°
Rain 1.4 mm
Usual 29° / 24°C
24Outlook
Light rain
29°
/ 25°
Rain 1.1 mm
Usual 29° / 24°C
25Outlook
Light rain
30°
/ 26°
Rain 1.2 mm
Usual 29° / 24°C
26Outlook
Light rain
29°
/ 25°
Rain 1.7 mm
Usual 29° / 24°C
27Outlook
Light rain
29°
/ 25°
Rain 3.6 mm
Usual 29° / 24°C
28Outlook
Light rain
29°
/ 25°
Rain 3.8 mm
Usual 29° / 24°C
29Outlook
Light rain
29°
/ 25°
Rain 1.9 mm
Usual 29° / 24°C
30Outlook
Light rain
27°
/ 25°
Rain 2 mm
Usual 29° / 24°C
1 DecOutlook
Light rain
28°
/ 24°
Rain 2.8 mm
Usual 28° / 24°C
2Outlook
Light rain
28°
/ 24°
Rain 2.8 mm
Usual 28° / 24°C
3Outlook
Light rain
27°
/ 25°
Rain 2.7 mm
Usual 28° / 24°C
4Outlook
Light rain
28°
/ 25°
Rain 4.4 mm
Usual 28° / 24°C
5Outlook
Light rain
28°
/ 25°
Rain 2.1 mm
Usual 28° / 24°C
6Outlook
Mostly sunny
30°
/ 26°
—
Usual 28° / 24°C

San Juan weather in November

November in San Juan: highs around 29°C, lows around 24°C and about 58 mm of rain.

November

Average high
29°C
Average low
24°C
Precipitation
58 mm
Record high
34°C
Record low
21°C

December

Average high
28°C
Average low
24°C
Precipitation
74 mm
Record high
33°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 1 month weather 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 Monday, and rain likely on 14 of them (14.3 mm in all). After that it shows the usual December weather: highs near 28°C, lows near 24°C, about 74.4 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 24°C, with about 74.4 mm of rain. The records are 33°C and 19°C. Month by month: San Juan weather by month.

Nearest cities: 30-day forecast