Maricopa County Weather Forecast
Maricopa County weather: 98°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Maricopa County weather in July
Weather map for Maricopa County
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Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Climate in Maricopa County month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 65° | 43° | 1,1 in | ★★★★☆ |
| February | 74° | 50° | 0,9 in | ★★★★☆ |
| March | 80° | 55° | 1,2 in | ★★★★☆ |
| April | 85° | 60° | 0,1 in | ★★★★★ |
| May | 94° | 69° | 0,1 in | ★★★★★ |
| June | 106° | 81° | 0,4 in | ★★★★☆ |
| July | 107° | 85° | 1,4 in | ★★★☆☆ |
| August | 107° | 85° | 0,6 in | ★★★★☆ |
| September | 101° | 76° | 1,5 in | ★★★★☆ |
| October | 91° | 65° | 1,8 in | ★★★★☆ |
| November | 76° | 52° | 1,2 in | ★★★★☆ |
| December | 70° | 46° | 0,7 in | ★★★★☆ |
Climate type: Hot and arid. Source: Open-Meteo archive (ERA5).
Best time to visit Maricopa County
Go in February, March, April, May and November. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: July, August and September - expect the least comfortable mix of heat, cold or rain.
What to pack, what to skip
- Lightweight, light-coloured clothing and a refillable water bottle
- Sunglasses, a brimmed hat and SPF 30+
- Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
- If your dates are flexible, avoid July, August and September - historically the least comfortable months here.
How Maricopa County compares with nearby places
Annual averages, and the difference against Maricopa County.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Area Code 602 | 0 mi | 76°F | about the same | 11 in |
| Phoenix | 0 mi | 76°F | about the same | 11 in |
| ZIP Code 85004 | 0 mi | 76°F | about the same | 11 in |
| Phoenix Sky Harbor International Airport | 4 mi | 76°F | about the same | 11 in |
| Saguaro National Park | 95 mi | 72°F | 37°F cooler | 11 in |
See the Maricopa County forecast by time range
Maricopa County weather - more answers
Explore Maricopa County
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Maricopa County?
Maricopa County is a county in Arizona. Its coordinates are 33.4484, -112.074. It lies in North America.
What is the weather like in Maricopa County right now?
It is currently 98°F (36°C) with clear sky. Humidity is 21% and wind is 3 mph.
When is the best time to visit Maricopa County?
February, March, April, May and November offer the most comfortable conditions in Maricopa County, which has a hot and arid climate. July, August and September are usually the hardest months for outdoor plans.
What time zone is Maricopa County in?
Maricopa County observes America/Phoenix (UTC-07:00). The local time is 3:59 PM.
How many people live in Maricopa County?
Maricopa County has a population of approximately 4.5 million.
What is the nearest airport to Maricopa County?
The closest airports are Phoenix Sky Harbor International Airport (PHX), 4 mi away, Harry Reid International Airport (LAS), 252 mi away and San Diego International Airport (SAN), 300 mi away.
What are the top things to do in Maricopa County?
Popular options include Saguaro National Park, Slide Rock State Park, Petrified Forest National Park, Grand Canyon (UNESCO World Heritage Site), Colorado River and Grand Canyon National Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 26, 2026 at 3:59 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
