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Best time to visit Phoenix, AZ, USA

Our verdict

The best time to visit Phoenix is March-April

Phoenix can be visited year-round, but based on the ideal climate conditions, cost of travel, and avoiding peak holiday periods, March-April is the best time to go.

The very hottest temperatures in Phoenix get to around 41℃ (106℉) in the height of summer. In the winter, temperatures can get down to 6℃ (42℉) around December.

If you’re keen to see the sights of Phoenix during the day, the sun stays up the longest around July. The wet season in Phoenix usually falls during the months surrounding July each year. It’s not uncommon to get some decent rainfall or light showers during this time, but on some days the weather tends to be fine for a majority of the day, with only a few drops of rain falling from a passing shower.

Learn everything you need to know (and none of the stuff you don’t) about when to go to Phoenix below. Be sure to check out the handy tools we’ve included to help you search for flights and transport, accommodation, and everything else you need to plan and book your trip.

Warmest month

July

Least rainfall

June

Most daylight

July

Phoenix seasons

Before you continue, it’s important to know when the seasons are in Phoenix as they might be different to yours depending on where in the world you’re travelling from. Phoenix is in the Northern Hemisphere, so the seasons fall during these months:

SeasonMonths
Summer June to August
Autumn/fall September to November
Winter December to February
Spring March to May

Average temperatures in Phoenix

If the temperature is a big factor for you to help you decide when to visit, the chart below shows the average minimum and maximum temperatures in Phoenix for each month side-by-side so you can easily see the difference in weather throughout the year. To see the temperatures in both Celsius (°C) and Fahrenheit (°F), hover or tap the shaded boxes on the graph.

Phoenix climate by month

If you already have a rough idea about which months you might want to travel, the section below shows a detailed breakdown of the climate in Phoenix for each month so you can see if it all suits your wants and needs. Scroll down, or use the quick menu below to jump to your preferred month.

Jump to:

JAN
FEB
MAR
APR
MAY
JUN
JUL
AUG
SEP
OCT
NOV
DEC

Phoenix in January

  • Average temperature: 13℃ (55℉)
  • Average high temperature: 18℃ (65℉)
  • Average low temperature: 9℃ (48℉)
  • Average humidity: 42%
  • Average sunny days: 27 days
  • Average rainfall: 7mm (0") over 3 days
27 days
of pure sunshine
3 days
of showers or rain

What to pack: If you’re heading to Phoenix in January, make sure you pack a warm jacket or coat.


Phoenix in February

  • Average temperature: 15℃ (58℉)
  • Average high temperature: 20℃ (68℉)
  • Average low temperature: 10℃ (50℉)
  • Average humidity: 38%
  • Average sunny days: 24 days
  • Average rainfall: 11mm (0") over 4 days
24 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to Phoenix in February, make sure you pack a warm jacket or coat.


Phoenix in March

  • Average temperature: 19℃ (65℉)
  • Average high temperature: 25℃ (76℉)
  • Average low temperature: 13℃ (56℉)
  • Average humidity: 29%
  • Average sunny days: 28 days
  • Average rainfall: 11mm (0") over 4 days
28 days
of pure sunshine
4 days
of showers or rain

What to pack: If you’re heading to Phoenix in March, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Phoenix in April

  • Average temperature: 22℃ (72℉)
  • Average high temperature: 28℃ (83℉)
  • Average low temperature: 16℃ (61℉)
  • Average humidity: 21%
  • Average sunny days: 28 days
  • Average rainfall: 3mm (0") over 2 days
28 days
of pure sunshine
2 days
of showers or rain

What to pack: If you’re heading to Phoenix in April, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Phoenix in May

  • Average temperature: 27℃ (80℉)
  • Average high temperature: 33℃ (91℉)
  • Average low temperature: 20℃ (68℉)
  • Average humidity: 19%
  • Average sunny days: 29 days
  • Average rainfall: 2mm (0") over 1 days
29 days
of pure sunshine
1 days
of showers or rain

What to pack: If you’re heading to Phoenix in May, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Phoenix in June

  • Average temperature: 32℃ (89℉)
  • Average high temperature: 39℃ (102℉)
  • Average low temperature: 24℃ (76℉)
  • Average humidity: 16%
  • Average sunny days: 29 days
  • Average rainfall: 2mm (0") over 1 days
29 days
of pure sunshine
1 days
of showers or rain

What to pack: If you’re heading to Phoenix in June, make sure you pack t-shirts, shorts and sun protection.


Phoenix in July

  • Average temperature: 34℃ (93℉)
  • Average high temperature: 39℃ (103℉)
  • Average low temperature: 29℃ (84℉)
  • Average humidity: 29%
  • Average sunny days: 21 days
  • Average rainfall: 20mm (1") over 7 days
21 days
of pure sunshine
7 days
of showers or rain

What to pack: If you’re heading to Phoenix in July, make sure you pack t-shirts, shorts and sun protection.


Phoenix in August

  • Average temperature: 34℃ (93℉)
  • Average high temperature: 39℃ (102℉)
  • Average low temperature: 29℃ (84℉)
  • Average humidity: 30%
  • Average sunny days: 22 days
  • Average rainfall: 15mm (1") over 6 days
22 days
of pure sunshine
6 days
of showers or rain

What to pack: If you’re heading to Phoenix in August, make sure you pack t-shirts, shorts and sun protection.


Phoenix in September

  • Average temperature: 31℃ (88℉)
  • Average high temperature: 36℃ (97℉)
  • Average low temperature: 26℃ (79℉)
  • Average humidity: 30%
  • Average sunny days: 24 days
  • Average rainfall: 17mm (1") over 5 days
24 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Phoenix in September, make sure you pack t-shirts, shorts and sun protection.

Phoenix in October

  • Average temperature: 24℃ (76℉)
  • Average high temperature: 30℃ (85℉)
  • Average low temperature: 20℃ (67℉)
  • Average humidity: 30%
  • Average sunny days: 27 days
  • Average rainfall: 17mm (1") over 3 days
27 days
of pure sunshine
3 days
of showers or rain

What to pack: If you’re heading to Phoenix in October, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Phoenix in November

  • Average temperature: 18℃ (64℉)
  • Average high temperature: 23℃ (74℉)
  • Average low temperature: 14℃ (56℉)
  • Average humidity: 33%
  • Average sunny days: 27 days
  • Average rainfall: 9mm (0") over 2 days
27 days
of pure sunshine
2 days
of showers or rain

What to pack: If you’re heading to Phoenix in November, make sure you pack t-shirts for the daytime and maybe a light jumper for the evenings as it cools down a bit.


Phoenix in December

  • Average temperature: 12℃ (54℉)
  • Average high temperature: 17℃ (63℉)
  • Average low temperature: 9℃ (48℉)
  • Average humidity: 43%
  • Average sunny days: 25 days
  • Average rainfall: 15mm (1") over 5 days
25 days
of pure sunshine
5 days
of showers or rain

What to pack: If you’re heading to Phoenix in December, make sure you pack a warm jacket or coat.


Top FAQs

The hottest month of the year in Phoenix is usually July, where temperatures tend to rise to around 39℃ (103℉) in the middle of the day or early afternoon.
The month with the least amount of rain in Phoenix is generally around June. The dry season often coincides with cooler weather, so you should check the temperatures in June first to make sure it’s still a good time to go.
The rainiest time of year in Phoenix is generally around July, although the wetter season can sometimes extend a few months either side of July too.
If you want to get the most out of your time visiting Phoenix, or if you're just afraid of the dark, the days in July are usually the longest between sunrise and sunset.

Phoenix map