30YearWeather
San Jose, October 3
San Jose street view during October
Historical Weather Analysis

San Jose Weather on October 3 — Best Time to Visit?

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

thunderstorm

24°C

High

17°C

Low

90%

Rain

☀️ Feels like 25°C (humidity)

thunderstorm
PROBABLY NOT

Historical data suggests significant rain risk (90%) on October 3. If you seek sun, consider a different date. Bring rain gear! You'll find plenty of company in San Jose this month as tourism activity remains quite robust.

Currency

CRC

Costa Rican colón

Language

Spanish

Driving

Right side

Connect

Cable TV channels have many American Eng...

Safety

High Safety

GPI: 1.732

San Jose Weather Forecast for October 3

"Rainy & Overcast. Expect average highs of 24°C. 90% chance of rain."

What to Wear in San Jose in October

Based on historical data for October 3, San Jose typically experiences temperatures between 17°C and 24°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 90% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for San Jose

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

24°C

Daytime Peak

Average Low

extreme-cold

17°C

Nighttime Low

Feels Like

partly-cloudy-day

25°C

☀️ Minor difference

Rain Chance

rain

90%

Avg 12.2mm if it rains

Cloud Cover

cloudy

91%

Moderate rain

Pressure

pressure

1013.3 hPa

Low volatility

San Jose Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±2.0°CStable
Precipitation
45-135%Predictable

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

1.2Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 67 min to burn

Type III-IV

🟡 101 min to burn

Type V-VI

🟢 168 min to burn

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

Outdoor Comfort

How pleasant is it outside?

72Good
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

22.6°C

Humid/Sticky

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Costa Rica

Flight Traffic

Busy

66/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~78

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in San Jose

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:26

☀️ Noon

11:26

🌇 Sunset

17:27

⏱️ Daylight

12h 1m

Golden Hour
Morning05:26 - 05:53
16:59 - 17:27Evening

Wind Speed

wind

7.7 km/h

Light breeze

Sunshine

clear-day

7.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

92%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for San Jose

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 Jose

Travel Comfort Index

Real-time tourism conditions

Weather Quality

🌧️ Variable

28/100

Tourist Crowds

🟡 Busy

70/100

Price Level

💰💰 Moderate

75/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1013.3 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
26AQI
Good
PM2.5 Concentration6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):320
In Oct (30y):32
Last in Oct:2025-10-23
💡 Earthquake risk elevated. Download a seismic alert app.

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 Jose on October 3 averages 24°C with a 90% precipitation probability. Wedding/Outdoor Event Score: 44/100."

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

San Jose Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2022
25.8°C
Coldest
2019
14.5°C
Rainiest
2020
55.1mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

Compare Other Cities

Same date (October 3) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is San Jose Worth Visiting on October 3?

Planning a trip to San Jose on October 3? 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 24°C with a 90% historical precipitation risk.

✈️ Travel Logistics: Approximately 78 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 9 vaccinations are recommended for Costa Rica, including COVID-19.

📊 Historical Extremes: The hottest October 3 recorded in the last 30 years saw temperatures hit 25.8°C in 2022, while the coldest dropped to 14.5°C in 2019.

San Jose Weather FAQ