Arizona in Summer
In summer (June, July and August), Arizona sees average daytime highs around 29°C and overnight lows near 25°C, with 412 mm of rain over about 73 wet days across the season. It is the warmest season of the year and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 16% of the time across summer, and the air most often feels oppressive.
Summer is Arizona's weakest season of the year to visit on our travel score. Arizona has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Arizona's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 25°C
- Rainfall
- 412 mm
- 73 wet days
- Avg wind
- 10 km/h
- Travel score
- 3.8
- weakest season of the year
- Months
- Jun · Jul · Aug
Temperature in Arizona in Summer
Across summer, daytime highs hold fairly steady around 29°C.
A typical summer day in Arizona reaches about 29°C and drops to 25°C overnight. The warmest of the three months is June, the coolest July.
How summer really feels in Arizona
Once humidity and wind are folded in, summer brings about 85 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Arizona weather by month
How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 21° | 214 | 16 | 11.2 | 6.2 |
| Feb | 26° / 22° | 113 | 9.9 | 11.5 | 6.9 |
| Mar | 27° / 22° | 93 | 8 | 11.9 | 7.3 |
| Apr | 28° / 24° | 51 | 7.8 | 12.3 | 6.7 |
| May | 29° / 25° | 105 | 16 | 12.7 | 4.9 |
| Jun | 29° / 25° | 144 | 23.4 | 12.9 | 3.7 |
| Jul | 28° / 25° | 130 | 23.6 | 12.8 | 4.0 |
| Aug | 29° / 25° | 138 | 25.7 | 12.5 | 3.7 |
| Sep | 29° / 25° | 194 | 27.2 | 12.1 | 3.4 |
| Oct | 28° / 24° | 319 | 25.4 | 11.6 | 4.0 |
| Nov | 26° / 23° | 376 | 22 | 11.3 | 4.8 |
| Dec | 25° / 22° | 213 | 17.8 | 11.1 | 5.7 |
Cloud cover in Summer
The sky is clear or mostly clear about 16% of the time across summer.
Chance of precipitation in Summer
Arizona gets around 412 mm of rain over 73 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 10 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 54 min in early June to 12 h 18 min by late August. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 6.1 kWh/m².
Hazard calendar for Arizona
In summer, Arizona overlaps its atlantic hurricane season. The full year is below, with each hazard's peak months called out.
Arizona sits in the Atlantic hurricane belt; the season peaks August–October.
Arizona's rainy season runs September–January, when most of the year's rain falls.
Is summer a good time to visit Arizona?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a weaker month for outdoor sightseeing in Arizona.
What to pack for Arizona in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Arizona sees daytime highs around 29°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 73 days see rain.
Sea temperature near Arizona in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 28 km away) is warmest in September at about 30°C and coldest in January near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Arizona in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arizona peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Arizona in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Arizona is worst in April — around 36 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 8 | 12 | 36 | 29 | 25 | 28 | 20 | 15 | 12 | 8 | 7 |
| Level | Good | Good | Good | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 12 | Good |
| Apr | 36 | Poor |
| May | 29 | Moderate |
| Jun | 25 | Moderate |
| Jul | 28 | Moderate |
| Aug | 20 | Moderate |
| Sep | 15 | Moderate |
| Oct | 12 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Arizona?
Arizona sits at 15.6°N, 87.3°W, 72 m above sea level, in Honduras. The nearest listed city is Tela, 22 km away.
Topography around Arizona
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arizona.
Within 3 km, the terrain around Arizona has only modest variations in elevation — a maximum elevation change of 165 m around an average of 59 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,871 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,401 m.
The land around Arizona is covered by trees (74%) and grassland (21%) within 3 km, trees (76%) and grassland (22%) within 16 km, and trees (51%) and water (32%) within 80 km.
Honduras travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $3,598
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 66%
- of population, 2024
- Homicide rate
- 31.4
- per 100k, 2023
- Road deaths
- 16.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- High
- EF EPI 553
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Arizona (15.6333°, -87.3167°, elevation 72 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.