San Francisco Weather

2025 Summer

Average Temperature
18.3 °C
High
/
12.8 °C
Low
1.3mm
Rain Volume
27.6°C
Peak Temp
10.6°C
Low Temp
92
Days Count

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

27.6°C
Saturday, August 30
avg daily high: 18.3°C
Progress 0%
0 / 0 years
Analyzing Historical Data

Analyzing 15 years of historical data...

Analysis Period

Years: 15
Location: San Francisco
Period: 2025-06-01 to 2025-08-31

Weather Insights

Key findings from analysis for selected period

🌤️

Mild & Comfortable

Amazing

Average highs of 18.3°C in San Francisco. Mild, comfortable temperatures.

📊

Stable Climate

Notable

Consistent temperatures with only 17.0°C variation.

Dry Weather

Notable

Very little rainfall (1mm total).

📅

Seasonal Weather Patterns

Info
Rainfall Patterns:
Wettest: July (1mm), August (0mm)
Driest: June (0mm), August (0mm)

Temperature Patterns (Monthly Averages):
Hottest months: August (20.1°C), June (17.7°C)
Coolest months: July (17.2°C), June (17.7°C)

Travel Recommendations:
Best visiting months: August (optimal temperature and rainfall balance).
⚠️

1 Exceptional Weather Event

Info

The most extreme day in this period:

Aug 30 Heat

Hottest day: 27.6°C

High Humidity Levels

Info

Average humidity of 80% indicates persistently moist air conditions. Heat sensation amplified during warm periods (18.3°C average temperature).

WeatherWhen

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Global Weather Data

Features

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Data Source

Weather data provided by Open-Meteo, offering reliable historical weather information from meteorological stations worldwide.

Data accuracy and availability may vary by location and time period.

© 2025 WeatherWhen. Historical weather data analysis tool.

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