2025 Summer
Historical dataAverage temperatures and precipitation by month
Daily high, low, and average
Most notable conditions during this period
Load the same period from the previous 15 years.
Key findings from analysis for selected period
Average highs of 18.3°C in San Francisco. Mild, comfortable temperatures.
Consistent temperatures with only 17.0°C variation.
Very little rainfall (1mm total).
The most extreme day in this period:
Hottest day: 27.6°C
Average humidity of 80% indicates persistently moist air conditions. Heat sensation amplified during warm periods (18.3°C average temperature).