January 23 is statistically one of the best days of the year in San Jose. With minimal rain risk (8%) and pleasant highs of 25°C, it's ideal for outdoor adventures. As it's peak season for San Jose, we recommend booking your stay well in advance to secure the best rates.
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Essential Travel Info for San Jose
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 January 23
"Warm & Sunny. Expect average highs of 25.3°C. 8% chance of rain."
What to Wear in San Jose in January
Based on historical data for January 23, San Jose typically experiences temperatures between 16.5°C and 25.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (8% rain probability), but checking the forecast before heading out is always wise.
Complete Packing Guide
Weekly breakdown & essential items for San Jose
Smart Suitcase
- T-Shirt
- Light Clothing
Average High
25.3°C
Daytime Peak
Average Low
16.5°C
Nighttime Low
Feels Like
26.1°C
☀️ Feels accurate
Rain Chance
8%
Avg 0.4mm if it rains
Cloud Cover
44%
Overcast
Pressure
1013.8 hPa
Low volatility
San Jose Weather Conditions & UV Index
Weather Confidence
30-year variance analysis
Based on 10 years of data
🎯 This date historically delivers consistent weather 82% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 15 for extended outdoor time
Type I-II
🔴 133 min to burn
Type III-IV
🟡 200 min to burn
Type V-VI
🟢 333 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
20.1°C
Humid/Sticky
Heat Stress
Low
No heat warning
🙂 Best outdoor time:
Morning hours (before 11 AM)
Travel & Logistics Insights
Local Calendar
Business Day
Standard hours in Costa Rica
Flight Traffic
High
89/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~105
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in San Jose
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:59
☀️ Noon
11:49
🌇 Sunset
17:38
⏱️ Daylight
11h 38m
Wind Speed
13.5 km/h
Gentle breeze
Sunshine
10.3 hrs
Direct Sun (Cloud-free)
Humidity
73%
Humid / Damp
Travel Intelligence
Exclusive flight analytics & health data for San Jose
Smart Flight Estimator
Airport-to-Airport Logistics
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Travel Health & Safety in San Jose
Travel Comfort Index
Real-time tourism conditions
Weather Quality
☀️ Excellent
Tourist Crowds
🟢 Moderate
Price Level
💰💰 Moderate
Health & Wellbeing
Meteo-Health Forecast
Stable conditions. Low risk of headaches.
Weather unlikely to affect joint pain.
Moderate fish activity expected.
Air quality is excellent. Perfect for outdoor activities.
Regional Safety Profile
Seismic Activity
Active seismic zone. Multiple earthquakes per year.
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 January 23 averages 25.3°C with a 8% precipitation probability. Wedding/Outdoor Event Score: 100/100."
— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology
San Jose Weather History (2010–2024)
Temperature History
Hall of Fame
Records from last 10 years
Compare Other Cities
Same date (January 23) in other destinations
🌍 Explore the same date in different destinations around the world
📍 Is San Jose Worth Visiting on January 23?
Planning a trip to San Jose on January 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.3°C with a 8% historical precipitation risk.
✈️ Travel Logistics: Approximately 105 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 January 23 recorded in the last 30 years saw temperatures hit 27.4°C in 2024, while the coldest dropped to 12.5°C in 2017.