30YearWeather
Phoenix in May
Phoenix weather in May - United States
☀️Hot & Sunny

Phoenix Weather in May

Plan your May trip to Phoenix, United States. Based on 30 years of NASA data, expect temperatures of 34°C (high) to 19°C (low), with 1% rain probability and 8 hours of daily sunshine. Great conditions with only 0 rainy days expected.

Avg High
34°C

Hottest around day 31

Avg Low
19°C

Coolest around day 1

Rainy Days
0days

1% avg rain chance

Sunshine
8hrs/day

Spring season

Phoenix May Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for Phoenix

Smart Flight Estimator

Airport-to-Airport Logistics

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Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Major Hub
91/ 100
Traffic Index

Extremely busy airport

Peak Daily Arrivals

0

slots per day

Peak

May

Low

Nov

Monthly Traffic Distribution

667
Jan
696
Feb
750
Mar
804
Apr
821
May
592
Jun
603
Jul
562
Aug
604
Sep
599
Oct
554
Nov
687
Dec
Traffic Level
Low Season

Key Connections

Denver (DEN)
Los Angeles (LAX)
Seattle Tacoma (SEA)
Salt Lake City (SLC)
San Diego (SAN)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is May a Good Time to Visit Phoenix?

👌Good option with minor considerations
Short Answer

Clear skies dominate Phoenix in May (1% rain chance), but 35°C highs demand sun protection and hydration. The dry 18% humidity is easier to tolerate than humid heat.

Decision Factors

Very hot conditions

34.5°C average highs - limit midday exposure

Peak tourist season

100% of annual peak - expect crowds and peak prices

Excellent dry conditions

Only 1% rain probability - ideal for outdoor activities

Large day-night temperature swing

19.4°C to 34.5°C - pack layers

Arid conditions

Only 18% humidity - stay hydrated, use moisturizer

Plenty of sunshine

12.7h of sunshine daily

Good For

  • 📸
    Photographers

    12.7h sunshine, 81% clear skies for golden hour shots

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 94/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 🌡️
    Heat-sensitive visitors

    35°C feels-like temperature creates discomfort

930 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Phoenix in May averages 34°C with 1% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Phoenix in May

What are the temperatures in Phoenix in May?

Daytime highs average 34°C, nights drop to 19°C. There's a significant day/night temperature swing.

How many rainy days in Phoenix in May?

Expect around 0 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Phoenix in May?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is May peak season in Phoenix?

This is shoulder season—moderate prices and manageable crowds.