April 28 sees frequent showers in San Jose. Historical data shows a 44% chance of rain, so pack accordingly. Temperatures average 26°C. San Jose is currently in its most popular travel window, meaning vibrant crowds and premium pricing.
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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 April 28
"Warm & Sunny. Expect average highs of 25.9°C. 44% chance of rain."
What to Wear in San Jose in April
Based on historical data for April 28, San Jose typically experiences temperatures between 17.5°C and 25.9°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 44% chance of rain, keeping a raincoat or umbrella handy is a smart move.
Complete Packing Guide
Weekly breakdown & essential items for San Jose
Smart Suitcase
- T-Shirt
- Light Clothing
- Umbrella
Average High
25.9°C
Daytime Peak
Average Low
17.5°C
Nighttime Low
Feels Like
27.1°C
☀️ Minor difference
Rain Chance
44%
Avg 4.2mm if it rains
Cloud Cover
80%
Light drizzle
Pressure
1013.4 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 75% of the time. Safe to plan outdoor activities with confidence.
Sun Exposure
UV Index & Safety Guide
Protection Needed
SPF 30 recommended
05:00 - 09:30
16:00 - 17:00
Type I-II
🔴 18 min to burn
Type III-IV
🟡 27 min to burn
Type V-VI
🟢 45 min to burn
UV estimate based on latitude, season & cloud cover. Actual UV may vary.
Outdoor Comfort
How pleasant is it outside?
Dew Point
22.4°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
83/100 pressure index
Health Advisory
Required
2 vaccines • View Details →
Landing Slots
~98
Daily arrival options (inc. codeshare)
Sunrise, Sunset & Wind in San Jose
Daylight & Sun
Solar Elevation Cycle
🌅 Sunrise
05:21
☀️ Noon
11:35
🌇 Sunset
17:48
⏱️ Daylight
12h 27m
Wind Speed
8.5 km/h
Light breeze
Sunshine
8.8 hrs
Direct Sun (Cloud-free)
Humidity
81%
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
⛅ Good
Tourist Crowds
🟡 Busy
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 April 28 averages 25.9°C with a 44% precipitation probability. Wedding/Outdoor Event Score: 81/100."
— 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
Better Alternatives Nearby
Consider these dates within ±7 days
April 21
26.3°C • 24% rain
Score
95
April 22
26.3°C • 22% rain
Score
95
April 23
26.3°C • 26% rain
Score
94
💡 Moving your event by a few days could significantly improve weather conditions
Compare Other Cities
Same date (April 28) in other destinations
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📍 Is San Jose Worth Visiting on April 28?
Planning a trip to San Jose on April 28? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.9°C with a 44% historical precipitation risk.
✈️ Travel Logistics: Approximately 98 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 April 28 recorded in the last 30 years saw temperatures hit 30.1°C in 2019, while the coldest dropped to 15.3°C in 2021.