30YearWeather
Phoenix, March 20
Phoenix street view during March
Historical Weather Analysis

Phoenix Weather on March 20 — Best Time to Visit?

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

clear-day

25.7°C

High

10.5°C

Low

6%

Rain

☀️ Feels like 25.7°C

clear-day
YES, IT'S PARADISE
Peak Season

March 20 is statistically one of the best days of the year in Phoenix. With minimal rain risk (6%) and pleasant highs of 26°C, it's ideal for outdoor adventures. Phoenix is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Phoenix Weather Forecast for March 20

"Warm & Sunny. Expect average highs of 25.7°C. 6% chance of rain."

What to Wear in Phoenix in March

Based on historical data for March 20, Phoenix typically experiences temperatures between 10.5°C and 25.7°C. We recommend packing t-shirt, light clothing, layers (onion system) to stay comfortable. Trends suggest it will stay mostly dry (6% 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
  • Layers (Onion System)

Average High

extreme-hot

25.7°C

Daytime Peak

Average Low

extreme-cold

10.5°C

Nighttime Low

Feels Like

partly-cloudy-day

25.7°C

☀️ Feels accurate

Rain Chance

rain

6%

Avg 0.1mm if it rains

Cloud Cover

cloudy

34%

Overcast

Pressure

pressure

1013.8 hPa

Low volatility

Phoenix Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

74%Reliable

Based on 10 years of data

Temperature
±4.6°CVariable
Precipitation
0-9%Predictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

3.9Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 21 min to burn

Type III-IV

🟡 32 min to burn

Type V-VI

🟢 53 min to burn

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

Outdoor Comfort

How pleasant is it outside?

87Excellent
TemperatureWarm
HumidityComfortable
WindLight Breeze

Dew Point

9.1°C

Dry air

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in United States

Flight Traffic

High

91/100 pressure index

Health Advisory

Healthy

Routine only • View Details →

Landing Slots

~750

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Phoenix

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:33

☀️ Noon

12:37

🌇 Sunset

18:40

⏱️ Daylight

12h 7m

Golden Hour
Morning06:33 - 07:06
18:08 - 18:40Evening

Wind Speed

wind

12.7 km/h

Gentle breeze

Sunshine

clear-day

10.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

35%

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

95/100

Tourist Crowds

🟢 Moderate

50/100

Price Level

💰💰 Moderate

60/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1013.8 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 Mar (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Phoenix on March 20 averages 25.7°C with a 6% precipitation probability. Wedding/Outdoor Event Score: 100/100."

— 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
2017
35.3°C
Coldest
2020
6.9°C
Rainiest
2022
0.2mm

Compare Other Cities

Same date (March 20) in other destinations

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📍 Is Phoenix Worth Visiting on March 20?

Planning a trip to Phoenix on March 20? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.7°C with a 6% historical precipitation risk.

✈️ Travel Logistics: Approximately 750 landing slots available daily during this period, indicating peak tourist activity.

📊 Historical Extremes: The hottest March 20 recorded in the last 30 years saw temperatures hit 35.3°C in 2017, while the coldest dropped to 6.9°C in 2020.

Phoenix Weather FAQ