30YearWeather
San Francisco, March 25
San Francisco street view during March
Historical Weather Analysis

San Francisco Weather on March 25 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

cloudy

15.3°C

High

8.7°C

Low

21%

Rain

🌤️ Feels like 15.3°C

partly-cloudy-day
YES, GOOD CHOICE

March 25 is generally a great time to visit San Francisco. While there is a slight chance of rain (21%), showers are usually brief. Expect comfortable 15°C weather. Lower tourist interest in San Francisco right now translates to better deals and a more local feel.

Essential Travel Info for San Francisco

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

Thearea codesfor San Francisco are 415 a...

Safety

Moderate Safety

GPI: 2.44

San Francisco Weather Forecast for March 25

"Mild & Comfortable. Expect average highs of 15.3°C. 21% chance of rain."

What to Wear in San Francisco in March

Based on historical data for March 25, San Francisco typically experiences temperatures between 8.7°C and 15.3°C. We recommend packing light jacket, long pants to stay comfortable. Trends suggest it will stay mostly dry (21% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for San Francisco

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants

Average High

extreme-hot

15.3°C

Daytime Peak

Average Low

extreme-cold

8.7°C

Nighttime Low

Feels Like

partly-cloudy-day

15.3°C

🌤️ Feels accurate

Rain Chance

rain

21%

Avg 1.3mm if it rains

Cloud Cover

cloudy

52%

Overcast

Pressure

pressure

1018 hPa

Medium volatility

San Francisco Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

73%Reliable

Based on 10 years of data

Temperature
±4.5°CVariable
Precipitation
11-32%Predictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

3Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 27 min to burn

Type III-IV

🟡 41 min to burn

Type V-VI

🟢 68 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

66Good
TemperatureMild
HumidityMuggy
WindWindy

Dew Point

11.3°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
12.8°C
🥶 Polar Plunge
Avg daily surface temperature
Surf Conditions
1.76m
🌊 Surfers Only
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

❄️ Cold Water Hazard

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

Quiet

26/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~563

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in San Francisco

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:06

☀️ Noon

12:16

🌇 Sunset

18:26

⏱️ Daylight

12h 20m

Golden Hour
Morning06:06 - 06:41
17:52 - 18:26Evening

Wind Speed

wind

25.6 km/h

Moderate wind

Sunshine

clear-day

9.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

77%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for San Francisco

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in San Francisco

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

83/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1018 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
37AQI
Good
PM2.5 Concentration18.4 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):33
In Mar (30y):2
Last in Mar:2009-03-30
💡 Occasional tremors possible. Know your hotel's evacuation route.
High

Eastern Pacific Hurricane Risk

Season: May - Nov

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, San Francisco on March 25 averages 15.3°C with a 21% precipitation probability. Wedding/Outdoor Event Score: 81/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

San Francisco Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2025
27.5°C
Coldest
2023
6.1°C
Rainiest
2019
9.9mm

Better Alternatives Nearby

Consider these dates within ±7 days

💡 Moving your event by a few days could significantly improve weather conditions

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Same date (March 25) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is San Francisco Worth Visiting on March 25?

Planning a trip to San Francisco on March 25? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 15.3°C with a 21% historical precipitation risk.

✈️ Travel Logistics: Approximately 563 landing slots available daily during this period, indicating peak tourist activity.

🌊 Coastal Conditions: Water temperature averages 12.8°C (polar plunge). Wave conditions are generally surfers only with heights around 1.76m.

📊 Historical Extremes: The hottest March 25 recorded in the last 30 years saw temperatures hit 27.5°C in 2025, while the coldest dropped to 6.1°C in 2023.

San Francisco Weather FAQ