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Weather in San Juan for July 2025

Your guide to San Juan weather in July - trends and predictions
  • In general, the average temperature in San Juan at the beginning of July is 31 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.9 °C by the end of July.

  • San Juan experiences an exceptionally high level of rainfall in July, with more than 24 rainy days on average.

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

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
4
Dry days
Average rainy days
27
Rainy days
Average snowy days
0
Snow days
Average temperatures
32°/25°
Temperatures
Average wind speed
26 km/h
Avg max wind
Average humidity
77 %
Avg humidity

San Juan in July average weather

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Temperatures trend during July in San Juan

See the weather trend as well as the moving average line
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July weather day by day

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Date Weather Temperatures Rain UV More
1 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 2.8 mm 7
2 Jul. Patchy rain possible
Patchy rain possible
31° /25° 5.5 mm 7
3 Jul. Cloudy
Cloudy
32° /25° 0.6 mm 7
4 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
29° /24° 10 mm 7
5 Jul. Overcast
Overcast
31° /24° 0.6 mm 7
6 Jul. Patchy rain possible
Patchy rain possible
32° /24° 1 mm 7
7 Jul. Patchy rain possible
Patchy rain possible
31° /24° 0.6 mm 7
8 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 5.3 mm 7
9 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 4 mm 7
10 Jul. Cloudy
Cloudy
32° /25° 1.2 mm 7
11 Jul. Moderate rain at times
Moderate rain at times
31° /25° 2.2 mm 7
12 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 6.4 mm 7
13 Jul. Moderate rain at times
Moderate rain at times
30° /24° 3.1 mm 7
14 Jul. Overcast
Overcast
32° /25° 1.3 mm 7
15 Jul. Moderate rain at times
Moderate rain at times
31° /25° 2.1 mm 7
16 Jul. Heavy rain at times
Heavy rain at times
32° /24° 3.1 mm 7
17 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 2.8 mm 7
18 Jul. Patchy rain possible
Patchy rain possible
31° /25° 1.2 mm 7
19 Jul. Patchy rain possible
Patchy rain possible
32° /25° 5.2 mm 7
20 Jul. Overcast
Overcast
32° /24° 2.5 mm 7
21 Jul. Cloudy
Cloudy
31° /25° 0.2 mm 7
22 Jul. Patchy rain possible
Patchy rain possible
32° /24° 3.7 mm 7
23 Jul. Patchy rain possible
Patchy rain possible
32° /24° 0.9 mm 7
24 Jul. Patchy rain possible
Patchy rain possible
32° /24° 0.9 mm 7
25 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 4.7 mm 7
26 Jul. Moderate or heavy rain shower
Moderate or heavy rain shower
31° /25° 3.3 mm 7
27 Jul. Patchy rain possible
Patchy rain possible
32° /25° 1.3 mm 7
28 Jul. Moderate rain at times
Moderate rain at times
31° /24° 2.8 mm 7
29 Jul. Overcast
Overcast
33° /25° 1.2 mm 7
30 Jul. Overcast
Overcast
32° /24° 1.2 mm 7
31 Jul. Patchy rain possible
Patchy rain possible
33° /25° 3.4 mm 8
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Important Notice
Our weather forecast for San Juan in July 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.

San Juan in July - FAQ

What are the expected maximum and minimum temperatures in San Juan during July?
During July, expect a variety of temperatures with highs around 32° and lows near 25°, suitable for diverse activities and preferences.
How much rainfall should be expected in San Juan during July?
Moderate rainfall is anticipated in San Juan during July, with a total of 78.8 mm spread over approximately 27 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in San Juan during July?
The average wind speed in San Juan during July is 26 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to San Juan in July?

As you prepare for your trip to San Juan in July, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in San Juan, during July, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
    • Insect Repellent: For destinations with mosquitos or other insects
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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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