San Francisco's famously mild weather, with average highs between 57°F in winter and 70°F in early fall, means you won’t need a furnace or AC in most homes—perfect for energy-conscious buyers. But beware: the city’s 70+ microclimates mean buying in the Mission District is a totally different weather experience from fog-shrouded Sunset or chilly Richmond neighborhoods, so choose your microclimate carefully to match your lifestyle. Surprisingly, despite the "Karl the Fog" mystique, SF actually enjoys over 260 sunny days a year, so don’t let the fog scare you off!

🌡️65°FAvg High Temp
🌧️23 inAnnual Rainfall
☀️260Sunny Days/Year
🗺️70+Microclimates
AQI 26 — Good

Fun Facts

Karl the Fog

This famous fog rolls in mostly May–August, cooling neighborhoods like the Sunset and Richmond, impacting desirability and outdoor space usability.

🌫️70+Karl the Fog

Microclimate Swings

In SF, you can experience temperature differences up to 10°F between neighborhoods just a few miles apart, influencing heating and cooling needs.

🌡️10°FMicroclimate Swings

Sunny Misconception

Despite the fog’s fame, SF gets 260 sunny days annually, so properties in Mission and Noe Valley bask in more sun, boosting curb appeal.

☁️260 daysSunny Misconception

Fog & Lifestyle

Foggy microclimates can mean cooler, damp commutes for cyclists; homes near sunnier parts like Potrero Hill may attract buyers valuing outdoor lifestyle.

🚲Foggy commutesFog & Lifestyle

Month-by-Month Guide

Jan
57° / 46°
Cozy & crisp, Rainy days
Good
January's rainy season means homes with good drainage and mold resistance in neighborhoods like Sunset are prized.
Feb
60° / 48°
Karl the Fog lingers
Good
February buyers should scout Noe Valley for homes with fog-resistant landscaping to avoid mildew issues.
Mar
62° / 49°
Cherry blossoms bloom
Great
March is prime to explore Japantown and see homes near blooming cherry trees, boosting curb appeal.
Apr
63° / 50°
Spring blooms, Mild breezes
Great
April's mild weather makes it easier to tour homes in the Mission District before the summer rush.
May
64° / 51°
Indian summer, Dolores Park buzz
Busy
May is busy with buyers; act fast in Dolores Park area where outdoor lifestyle sells homes.
Jun
66° / 53°
Sunny, Light fog
Busy
June's light fog and sun is perfect to check out bay views from Russian Hill homes.
Jul
66° / 54°
Fog lifts, Summer peak
Busy
July's clear days make it peak season; prepare for bidding wars in Marina District.
Aug
68° / 55°
Warm, Post-fog glow
Busy
August is ideal for buyers wanting to see homes in NoPa with vibrant street life and sun.
Sep
70° / 55°
Indian summer, Golden Hour
Great
September's warm days highlight outdoor spaces—great for Bernal Heights patios.
Oct
69° / 54°
Cool breeze, Halloween vibes
Good
October is good for buyers wanting to avoid summer crowd; check out Pacific Heights mansions.
Nov
62° / 50°
Fog returns, Cozy fires
Good
November is a quieter market; look for deals in Richmond District where fog is thick.
Dec
57° / 46°
Holiday lights, Rainy chill
Good
December's rain means buyers should prioritize homes with good heating and insulation in Tenderloin.

Neighborhood Microclimates

+5°F warmer

Noe Valley

67°F avg
●○○○

Nestled in a sunny bowl shielded by Twin Peaks, Noe Valley basks in 5-8° warmer temps than foggy western neighborhoods. Known for its charming boutiques and family vibes, it’s sunshine central for buyers craving warmth without leaving the city.

-4°F cooler

Outer Richmond

58°F avg
●●●●

Embracing the Pacific’s chilly kiss, Outer Richmond is Karl the Fog’s playground with fog lingering until mid-afternoon. Buyers here get easy access to Ocean Beach but should expect cooler temps and a perpetual foggy mood.

+3°F warmer

South of Market (SoMa)

65°F avg
●●○○

The techie urban jungle where skyscrapers trap heat, SoMa often runs warmer by 3-5° than the city average. If you want a hip, vibrant neighborhood with less fog and more street buzz, this is your spot.

+4°F warmer

Bernal Heights

66°F avg
●○○○

Bernal Heights boasts panoramic city views and a sunny microclimate thanks to its hilltop perch. Locals enjoy sunny afternoons at Bernal Hill Park, making it a favorite for buyers valuing outdoor lifestyle and warmth.

-1°F cooler

Marina District

62°F avg
●●●○

Perched along the bay, the Marina District gets cool breezes and regular afternoon winds that keep things fresh but can chill your outdoor plans. Buyers should expect cooler temps with wind but love the waterfront vibe and easy access to Crissy Field.

-3°F cooler

Inner Sunset

60°F avg
●●●○

Shadowed by the Presidio and near Golden Gate Park, Inner Sunset gets its fair share of fog and cooler temps, especially in summer afternoons. It’s a favorite for those who want green spaces and don’t mind Karl’s occasional visits.

What to Wear in SF

Layered Light

Spring in SF means foggy mornings and sunny afternoons. Bring a light jacket and a scarf to peel off as the day warms to the mid-60s.

🧥Spring

Fog-Friendly Cool

Even July can surprise you with Karl the Fog dropping temps into the 50s. Pack a windbreaker and a hat to keep cozy during those famous chilly evenings.

🧢Summer

Golden Gate Glow

Fall offers some of the warmest, clearest days. A stylish sweater and sunglasses combo works perfectly for open houses and sunset views over the bay.

🧣Fall

Chilly City Layers

Winter rarely drops below 45°F but expect damp fog and drizzle. Waterproof shoes and layered outfits with a warm jacket will keep you comfortable during your home tours.

🧤Winter

The Bottom Line for Buyers

Buy in Late Spring

May and June offer clear weather and less fog, making it easier to tour homes and judge natural light, giving you an edge in bidding.

📅

Invest in Sunny Neighborhoods

Areas like Noe Valley and the Mission offer more sunlight and warmth, often translating to higher resale values and happier living.

🌞

Marry the House, Date the Rate

Focus on locking your dream SF home first, then shop around for mortgage rates—weather won’t change, but rates will.

⏳

Visit at Different Times

Tour neighborhoods like the Sunset both morning and evening to experience fog patterns and sunlight, helping you pick your ideal microclimate.

🌄

Seller Calendar

May — list

Dolores Park buzz and Indian summer sun bring maximum buyer traffic for listings.

April — stage

Mild spring weather in Mission District makes outdoor staging and curb appeal pop.

September — photograph

Golden hour Indian summer light in Bernal Heights highlights outdoor spaces beautifully.

October — list

Cool breezes reduce fog, improving curb appeal and buyer turnout in Pacific Heights.

Home Maintenance

🌷 Spring

Clean gutters and check drainage systems — Spring rains can cause water damage if gutters are clogged. Inspect roof for winter damage — Winter storms and fog moisture can degrade roofing materials.

☀️ Summer

Service HVAC and install fans — Mild heat and occasional fog need efficient climate control indoors. Seal exterior wood and decks — Summer sun and fog moisture can cause wood to warp or rot.

🍂 Fall

Prepare windows and doors for cooler weather — Fog and chill start returning, increasing heating needs. Clean and inspect chimneys — Cozy fires start as fog returns, so safety checks are key.

❄️ Winter

Check for mold and mildew in damp areas — High rainfall and persistent fog boost mold risk indoors. Inspect heating systems thoroughly — Consistent cool temps and moisture require reliable heating.

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