Phoenix, United States — Weather in May 2027

Climate Overview

Phoenix, United States in May has hot conditions, with highs reaching 35.1°C (95°F) and afternoons the warmest part of the day. Rain is rare, falling on about 1 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Spring. Temperatures are at their seasonal peak.

Daily highs in May gradually rise from around 34°C (93°F) at the start to 38°C (100°F) by month's end.

Rainfall is heaviest during the first third of the month, while the last third tends to be drier.

The warmest days tend to fall around the 31th, averaging 38°C (100°F).

Compared to April, this month is about 4°C warmer with 0 fewer rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

35°C / 19°C

Feels Like

33°C / 17°C

Rain

1 days · 3 mm

Sunshine

12.8h / day

Humidity

19% — Very Dry

Wind

17 km/h

Wind Direction

SW (232°)

Gusts

35 km/h

Daylight

13.9 h

Cloud Cover

17%

Clear Sky Days

UV Index

8.4 — Very High

Dew Point

2°C — Dry

Moon Phase

Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:29

Daylight 13.9h

Sunset 19:23

What to Expect

With midday temperatures reaching 35°C (95°F), schedule outdoor activities for early morning or late afternoon.

Rain is uncommon in this month, so most days stay dry from morning through evening.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

3days (30 mm) Excellent

3days (28 mm) Excellent

1days (5 mm) Excellent

1days (3 mm) Excellent

1days (5 mm) Excellent

2days (19 mm) Excellent

2days (20 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	19°C / 5°C	16°C / 2°C	4days (28 mm) Good	8.5h Good	54% Moderate	4 Moderate	Fair	View Details
February	22°C / 7°C	19°C / 4°C	3days (30 mm) Excellent	9.4h Good	44% Moderate	5.2 High	Good	View Details
March	26°C / 10°C	23°C / 7°C	3days (28 mm) Excellent	10.5h Excellent	37% Comfortable	6.5 High	Good	View Details
April best	31°C / 15°C	29°C / 12°C	1days (5 mm) Excellent	12h Excellent	21% Comfortable	7.8 Very High	Excellent	View Details
May best	35°C / 19°C	33°C / 17°C	1days (3 mm) Excellent	12.8h Excellent	19% Comfortable	8.4 Very High	Excellent	View Details
June	41°C / 25°C	39°C / 23°C	1days (5 mm) Excellent	12.9h Excellent	17% Comfortable	8.7 Very High	Fair	View Details
July	42°C / 29°C	42°C / 30°C	4days (26 mm) Good	12.4h Excellent	30% Comfortable	8.7 Very High	Poor	View Details
August	41°C / 28°C	42°C / 30°C	5days (31 mm) Good	12.1h Excellent	35% Comfortable	8.2 Very High	Poor	View Details
September	38°C / 24°C	38°C / 24°C	4days (25 mm) Good	11.1h Excellent	33% Comfortable	7.3 Very High	Good	View Details
October best	32°C / 17°C	31°C / 15°C	2days (19 mm) Excellent	10.2h Excellent	32% Comfortable	5.9 High	Excellent	View Details
November best	26°C / 11°C	23°C / 8°C	2days (20 mm) Excellent	9.2h Good	37% Comfortable	4.5 Moderate	Excellent	View Details
December	20°C / 6°C	18°C / 3°C	4days (25 mm) Good	8.2h Good	52% Moderate	3.7 Moderate	Good	View Details

What to Wear

Light, breathable fabrics like cotton and linen are essential. Opt for loose-fitting clothing in light colors to stay cool.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

Packing List

Breathable clothingSunscreen (SPF 30+)Sun hatSunglassesSandals

Frequently Asked Questions

Expand all

Is May a good time to visit Phoenix?

May is typically excellent for visiting Phoenix, with average highs of 35°C (95°F) and around 1 rainy days. Phoenix, United States in May has hot conditions, with highs reaching 35.1°C (95°F) and afternoons the warmest part of t

Does it rain a lot in Phoenix in May?

Phoenix typically sees around 1 rainy days in May with 3 mm (0.1 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Phoenix in May?

Nights stay pleasantly warm in Phoenix during May, around 19°C (67°F). Light evening wear is sufficient.

What should I pack for Phoenix in May?

With highs of 35°C (95°F) and lows of 19°C (67°F) in May, we recommend: Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Phoenix?

Yes, May offers some of the best weather conditions in Phoenix with comfortable temperatures and lower chances of rain.

What is the UV index in Phoenix in May?

The average UV index in Phoenix during May is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Phoenix in May?

Phoenix gets approximately 14 hours of daylight per day in May, with around 13 hours of sunshine.

Does it snow in Phoenix in May?

Snow is uncommon in Phoenix during May based on 10-year climate averages.

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