30YearWeather
Phoenix, August 9
Phoenix street view during August
Historical Weather Analysis

Phoenix Weather on August 9 — Best Time to Visit?

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

extreme-hot

40.2°C

High

28.4°C

Low

8%

Rain

🔥 Feels like 40.2°C

clear-day
YES, IT'S PARADISE

August 9 is statistically one of the best days of the year in Phoenix. With minimal rain risk (8%) and pleasant highs of 40°C, it's ideal for outdoor adventures. You'll find plenty of company in Phoenix this month as tourism activity remains quite robust.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Phoenix Weather Forecast for August 9

"Warm & Sunny. Expect average highs of 40.2°C. 8% chance of rain."

What to Wear in Phoenix in August

Based on historical data for August 9, Phoenix typically experiences temperatures between 28.4°C and 40.2°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 Phoenix

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

40.2°C

Daytime Peak

Average Low

extreme-cold

28.4°C

Nighttime Low

Feels Like

partly-cloudy-day

40.2°C

🔥 Feels accurate

Rain Chance

rain

8%

Avg 0.2mm if it rains

Cloud Cover

cloudy

34%

Overcast

Pressure

pressure

1009.5 hPa

Low volatility

Phoenix Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

91%Highly Predictable

Based on 10 years of data

Temperature
±3.2°CModerate
Precipitation
4-30%Moderate

🎯 This date historically delivers consistent weather 91% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

5.9Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

05:00 - 10:00

Afternoon

16:00 - 19:00

Time to Sunburn

Type I-II

🔴 14 min to burn

Type III-IV

🟡 21 min to burn

Type V-VI

🟢 35 min to burn

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

Outdoor Comfort

How pleasant is it outside?

44Poor
TemperatureVery Hot
HumidityComfortable
WindBreezy

Dew Point

20.8°C

Humid/Sticky

Heat Stress

Low

No heat warning

😕 Best outdoor time:
Early morning (6-9 AM) or evening (after 6 PM)

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

Busy

68/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~562

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Phoenix

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:47

☀️ Noon

12:35

🌇 Sunset

19:22

⏱️ Daylight

13h 34m

Golden Hour
Morning05:47 - 06:22
18:48 - 19:22Evening

Wind Speed

wind

15.2 km/h

Gentle breeze

Sunshine

clear-day

12.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

33%

Comfortable

Travel Intelligence

Exclusive flight analytics & health data for Phoenix

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 Phoenix

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

94/100

Tourist Crowds

🔴 Very Busy

100/100

Price Level

💰💰💰 Expensive

100/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1009.5 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
58AQI
Moderate
PM2.5 Concentration14.9 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):1
In Aug (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Phoenix on August 9 averages 40.2°C with a 8% precipitation probability. Wedding/Outdoor Event Score: 72/100."

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

Phoenix Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2020
43.6°C
Coldest
2022
24.6°C
Rainiest
2016
8.1mm

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 (August 9) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Phoenix Worth Visiting on August 9?

Planning a trip to Phoenix on August 9? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 40.2°C with a 8% historical precipitation risk.

✈️ Travel Logistics: Approximately 562 landing slots available daily during this period, indicating peak tourist activity.

📊 Historical Extremes: The hottest August 9 recorded in the last 30 years saw temperatures hit 43.6°C in 2020, while the coldest dropped to 24.6°C in 2022.

Phoenix Weather FAQ