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Weather in San Juan for October 2027

Your guide to San Juan weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in San Juan at the beginning of October is 30.9 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 30 °C by the end of October.

    • Rain 🌧️

  • San Juan in October brings notable rainfall, with an average of 19 rainy days and a total precipitation of 286.4 mm.

    • More

  • Is October a good time to visit San Juan? check out the best time to travel to San Juan page.

Average dry days
12
Dry days
Average rainy days
19
Rainy days
Average snowy days
0
Snow days
Average temperatures
30°/26°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
79 %
Avg humidity

San Juan Weather October

Move between months or click on a day
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Moderate or heavy rain shower
31°
2
Patchy rain possible
31°
3
Light rain
30°
4
Light rain shower
30°
5
Light rain shower
31°
6
Patchy rain possible
31°
7
Moderate rain
32°
8
Moderate or heavy rain shower
32°
9
Light rain
31°
10
Moderate or heavy rain shower
31°
11
Cloudy
31°
12
Heavy rain
31°
13
Patchy rain possible
30°
14
Moderate or heavy rain with thunder
32°
15
Light rain
31°
16
Patchy rain possible
32°
17
Light rain
31°
18
Light rain
31°
19
Light rain
30°
20
Thundery outbreaks possible
30°
21
Light rain
30°
22
Patchy rain possible
31°
23
Moderate rain
31°
24
Heavy rain
31°
25
Moderate rain
30°
26
Light rain
30°
27
Moderate rain
30°
28
Moderate or heavy rain shower
31°
29
Moderate or heavy rain shower
31°
30
Light rain
30°
31
Moderate or heavy rain shower
29°

Temperatures trend during October in San Juan

See the weather trend as well as the moving average line

October weather in San Juan day by day

Click on a date for more information
September November
Date Weather Temperatures Rain UV More
1 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /26° 5.1 mm 7
2 Oct. Patchy rain possible
Patchy rain possible
 31° /26° 0.9 mm 7
3 Oct. Light rain
Light rain
 30° /26° 4.4 mm 6
4 Oct. Light rain shower
Light rain shower
 30° /26° 2.1 mm 6
5 Oct. Light rain shower
Light rain shower
 31° /26° 0.9 mm 8
6 Oct. Patchy rain possible
Patchy rain possible
 31° /26° 0.4 mm 6
7 Oct. Moderate rain
Moderate rain
 32° /26° 17.9 mm 6
8 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /26° 7.1 mm 6
9 Oct. Light rain
Light rain
 31° /26° 3.2 mm 7
10 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /26° 8.5 mm 6
11 Oct. Cloudy
Cloudy
 31° /25° 0.9 mm 7
12 Oct. Heavy rain
Heavy rain
 31° /25° 27.1 mm 6
13 Oct. Patchy rain possible
Patchy rain possible
 30° /25° 0.4 mm 6
14 Oct. Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
 32° /26° 7 mm 7
15 Oct. Light rain
Light rain
 31° /26° 8.3 mm 6
16 Oct. Patchy rain possible
Patchy rain possible
 32° /25° 1.5 mm 8
17 Oct. Light rain
Light rain
 31° /26° 7.9 mm 7
18 Oct. Light rain
Light rain
 31° /26° 6.3 mm 7
19 Oct. Light rain
Light rain
 30° /26° 4.6 mm 7
20 Oct. Thundery outbreaks possible
Thundery outbreaks possible
 30° /26° 16.4 mm 7
21 Oct. Light rain
Light rain
 30° /25° 2.7 mm 7
22 Oct. Patchy rain possible
Patchy rain possible
 31° /26° 0.7 mm 7
23 Oct. Moderate rain
Moderate rain
 31° /26° 20.5 mm 6
24 Oct. Heavy rain
Heavy rain
 31° /26° 26.8 mm 6
25 Oct. Moderate rain
Moderate rain
 30° /26° 23.5 mm 6
26 Oct. Light rain
Light rain
 30° /25° 7.7 mm 6
27 Oct. Moderate rain
Moderate rain
 30° /25° 11.6 mm 6
28 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /26° 6.8 mm 7
29 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
 31° /26° 7.2 mm 7
30 Oct. Light rain
Light rain
 30° /26° 8.5 mm 7
31 Oct. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /25° 6.6 mm 6
Next
Important Notice
Our weather forecast for San Juan in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the San Juan forecast closer to your planned date for the most up-to-date weather information.
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San Juan in October - FAQ

What are the expected maximum and minimum temperatures in San Juan during October?
During October, expect a variety of temperatures with highs around 30° and lows near 26°, suitable for diverse activities and preferences.

How much rainfall should be expected in San Juan during October?
Significant rainfall exceeding 286.4 mm is expected in San Juan during October, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in San Juan during October?
The average wind speed in San Juan during October is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in San Juan

Explore the daily rainfall trends and prepare for San Juans October weather 💧
Typically, San Juan has 19 rainy days in October with a total of 286.4 mm of rainfall.

UV exposure in San Juan during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Provinces in San Juan
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San Juan Antiguo Barrio
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Location coordinates Where is San Juan?

Get accurate weather forecasts for San Juan, located at latitude 18.466 and longitude -66.106. Stay updated with localized weather information tailored for San Juan.

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