30YearWeather
Fortaleza, July 21
Fortaleza street view during July
Historical Weather Analysis

Fortaleza Weather on July 21 — Best Time to Visit?

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

clear-day

29.6°C

High

23.8°C

Low

12%

Rain

🔥 Feels like 34.8°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

July 21 is statistically one of the best days of the year in Fortaleza. With minimal rain risk (12%) and pleasant highs of 30°C, it's ideal for outdoor adventures. Expect a bustling atmosphere in Fortaleza right now—this is when the city truly comes alive with visitors.

Currency

BRL

R$ Brazilian real

Language

Portuguese

Driving

Right side

Safety

Moderate Safety

GPI: 2.465

Fortaleza Weather Forecast for July 21

"Warm & Sunny. Expect average highs of 29.6°C. 12% chance of rain."

What to Wear in Fortaleza in July

Based on historical data for July 21, Fortaleza typically experiences temperatures between 23.8°C and 29.6°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (12% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Fortaleza

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

29.6°C

Daytime Peak

Average Low

extreme-cold

23.8°C

Nighttime Low

Feels Like

partly-cloudy-day

34.8°C

🔥 Heat index effect

Rain Chance

rain

12%

Avg 0.6mm if it rains

Cloud Cover

cloudy

31%

Light drizzle

Pressure

pressure

1014.3 hPa

Low volatility

Fortaleza Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

86%Highly Predictable

Based on 10 years of data

Temperature
±1.4°CStable
Precipitation
6-50%Unpredictable

🎯 This date historically delivers consistent weather 86% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

0.6Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

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?

48Poor
TemperatureHot
HumidityMuggy
WindBreezy

Dew Point

24.2°C

Humid/Sticky

Heat Index

34.8°C

Feels hotter

😕 Best outdoor time:
Morning hours (before 11 AM)

Marine Conditions

Water Temp
27.5°C
🛁 Tropical Bath
Avg daily surface temperature
Surf Conditions
1.43m
🌊 Surfers Only
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Brazil

Flight Traffic

High

90/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~62

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Fortaleza

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:43

☀️ Noon

11:41

🌇 Sunset

17:39

⏱️ Daylight

11h 56m

Golden Hour
Morning05:43 - 06:12
17:10 - 17:39Evening

Wind Speed

wind

24.7 km/h

Moderate wind

Sunshine

clear-day

10.7 hrs

Direct Sun (Cloud-free)

Humidity

humidity

73%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Fortaleza

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 Fortaleza

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

90/100

Tourist Crowds

🔴 Very Busy

95/100

Price Level

💰💰💰 Expensive

95/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1014.3 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
35AQI
Good
PM2.5 Concentration8.6 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Stable

Seismic Activity

Zero seismic activity detected in 30 years.

Total events (30y):0
💡 No earthquake preparedness needed. Enjoy your stay!
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Fortaleza on July 21 averages 29.6°C with a 12% precipitation probability. Wedding/Outdoor Event Score: 97/100."

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

Fortaleza Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2023
31.8°C
Coldest
2025
22.4°C
Rainiest
2017
4.7mm

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 (July 21) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Fortaleza Worth Visiting on July 21?

Planning a trip to Fortaleza on July 21? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.6°C with a 12% historical precipitation risk.

✈️ Travel Logistics: Approximately 62 landing slots available daily during this period, indicating manageable crowd levels.

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

🌊 Coastal Conditions: Water temperature averages 27.5°C (tropical bath). Wave conditions are generally surfers only with heights around 1.43m.

📊 Historical Extremes: The hottest July 21 recorded in the last 30 years saw temperatures hit 31.8°C in 2023, while the coldest dropped to 22.4°C in 2025.

Fortaleza Weather FAQ