October in San Bernardino brings very high temperatures around 30°C (86°F) during the day, dropping to 19°C (66°F) at night, with the most rainfall of the year.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for San Bernardino.
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Pick a month to see the average temperature, rainfall and sunshine in San Bernardino - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in San Bernardino typically stay consistent throughout October, with daily highs averaging around 30°C (86°F). Nights are pleasant, with lows typically ranging from 18°C (64°F) to 21°C (70°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for San Bernardino spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in San Bernardino.
Find out more about the weather in Paraguay and which places have the best travel conditions in this month. See all of Paraguay in October →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in San Bernardino in October. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full San Bernardino climate overview or explore weather in Paraguay.
Where to go in October - average daytime high across popular destinations.
Villarrica
30°C (86°F) Areguá30°C (86°F) San Bernardino30°C (86°F) Luque31°C (88°F) Asuncion31°C (88°F) Ybycuí29°C (84°F) Ciudad del Este30°C (86°F) Encarnación29°C (84°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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