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What is San Juan, PR, Weather Like in October?

During the month of October, San Juan, PR, has an average daytime high temperature of 89°F and an average overnight low temperature dropping to 75°F. Around 7.12 inches of precipitation is received during the month, with about 59.57 inches falling in a typical year. Snow is not common in San Juan, PR.

October 2025: Actual vs. Average Temperatures

Showing temperatures through today (October 25, 2025)
Actual High Average High Actual Low Average Low

Month Summary
Average High: 90 F (+1.3 vs avg)
Average Low: 75.3 F (+0.3 vs avg)

Actual data from: PWS_CMSTUDIO

San Juan, PR Daily Weather Averages for October

Recorded at Toa Baja Levittown (rqc00669415), 4.3 miles WSW of San Juan, PR
Day Avg Temps (°F) Precip (in) Snow (in) Degree Days (°F)
Low High Mean Month Year Month Year Heat Cool
10/1 75 F 89 F 82 F 0.23" 52.68" N/A N/A N/A 17 F
10/2 75 F 89 F 82 F 0.46" 52.91" N/A N/A N/A 17 F
10/3 75 F 89 F 82 F 0.69" 53.14" N/A N/A N/A 17 F
10/4 75 F 89 F 82 F 0.92" 53.37" N/A N/A N/A 17 F
10/5 75 F 89 F 82 F 1.15" 53.60" N/A N/A N/A 17 F
10/6 75 F 89 F 82 F 1.39" 53.84" N/A N/A N/A 17 F
10/7 75 F 89 F 82 F 1.63" 54.08" N/A N/A N/A 17 F
10/8 75 F 89 F 82 F 1.87" 54.32" N/A N/A N/A 17 F
10/9 75 F 89 F 82 F 2.11" 54.56" N/A N/A N/A 17 F
10/10 75 F 89 F 82 F 2.33" 54.78" N/A N/A N/A 17 F
10/11 75 F 89 F 82 F 2.54" 54.99" N/A N/A N/A 17 F
10/12 75 F 89 F 82 F 2.74" 55.19" N/A N/A N/A 16.9 F
10/13 75 F 89 F 82 F 2.94" 55.39" N/A N/A N/A 16.9 F
10/14 75 F 89 F 82 F 3.15" 55.60" N/A N/A N/A 16.9 F
10/15 75 F 89 F 82 F 3.36" 55.81" N/A N/A N/A 16.8 F
10/16 75 F 89 F 82 F 3.57" 56.02" N/A N/A N/A 16.8 F
10/17 75 F 89 F 82 F 3.77" 56.22" N/A N/A N/A 16.7 F
10/18 75 F 88 F 82 F 3.98" 56.43" N/A N/A N/A 16.7 F
10/19 75 F 88 F 82 F 4.18" 56.63" N/A N/A N/A 16.6 F
10/20 75 F 88 F 82 F 4.40" 56.85" N/A N/A N/A 16.5 F
10/21 75 F 88 F 82 F 4.62" 57.07" N/A N/A N/A 16.5 F
10/22 75 F 88 F 81 F 4.87" 57.32" N/A N/A N/A 16.4 F
10/23 75 F 88 F 81 F 5.12" 57.57" N/A N/A N/A 16.3 F
10/24 75 F 88 F 81 F 5.36" 57.81" N/A N/A N/A 16.2 F
10/25 75 F 88 F 81 F 5.62" 58.07" N/A N/A N/A 16.2 F
10/26 75 F 88 F 81 F 5.87" 58.32" N/A N/A N/A 16.1 F
10/27 74 F 88 F 81 F 6.13" 58.58" N/A N/A N/A 16 F
10/28 74 F 87 F 81 F 6.37" 58.82" N/A N/A N/A 15.9 F
10/29 74 F 87 F 81 F 6.62" 59.07" N/A N/A N/A 15.8 F
10/30 74 F 87 F 81 F 6.87" 59.32" N/A N/A N/A 15.7 F
10/31 74 F 87 F 81 F 7.12" 59.57" N/A N/A N/A 15.6 F