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Sun City weather

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NWSNational Blend (NBM)
60°
Clear
Feels 58° · Wind 2 mph · Humidity 60%
AmericanNOAA GFS
59°
Clear
Feels 57° · Wind 4 mph · Humidity 66%
EuropeanECMWF
58°
Clear
Feels 57° · Wind 2 mph · Humidity 66%

Latest for Sun City: NWS (National Blend (NBM)): 60° Clear · American (NOAA GFS): 59° Clear · European (ECMWF): 58° Clear.

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Sun City weather alerts and warnings

active National Weather Service watches, warnings and advisories

Checking the National Weather Service for active alerts covering Sun City…

Sun City weather in numbers

measured normals and 10 years of recorded weather

Sun City swings 66°F across the year, from 106°F highs in July to 40°F lows in December, and August is usually the wettest month in a year that brings about 9 in of precipitation. Over 10 years of recorded weather it averages 248 days a year at 77°F or above, 192 of them at 86°F or above, 1 frost night, and rain on 31 days.

Warmest month
July
106°F average high
Coldest month
December
40°F average low
Wettest month
August
9 in a year
Comfortable
4 months
January, February, March and November
Residents
37,000
share this forecast
Most accurate here
European
96/100 CheckWeather Score
Warm days
248 days
a year at 77°F or above
Frost nights
1 night
a year below 32°F
Rain days
31 days
a year with 0.04 in or more

Day counts are from the ERA5 reanalysis for Sun City’s grid square, 2016 to 2025, counted the same way for every city so the numbers compare. A reanalysis square is an area, not a weather station, so it is good for counting days and not for a single day’s record.

The weather map: all three models at once

NWS, American, European side by side around Sun City and nearby towns.Live rain radar →
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Sun City hourly forecast: next 14 hours

consensus of the three models

Rain in the next 24 hours, model by model

each model's own hourly precipitation, side by side

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Sun City 10-day forecast, out to 14 days

where the models agree, and where they split

Sun City, Arizona (AZ) is at its warmest in Jul (average highs near 106°F) and coldest in Dec (lows around 40°F), with roughly 9 in of precipitation across the year. Below, compare what NWS, American, European forecast for Sun City right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

Sun City climate by month

average daytime high and overnight low across a typical year (1991-2020)
Jan
64°
43°
Feb
69°
46°
Mar
75°
51°
Apr
85°
57°
May
93°
67°
Jun
103°
77°
Jul
106°
83°
Aug
104°
82°
Sep
100°
74°
Oct
87°
59°
Nov
75°
49°
Dec
64°
40°

Source: 1991-2020 averages, ERA5 for this place adjusted with NASA POWER.

How the weather around Sun City has changed since 1995

Sun City sits in the same roughly 50 km square of NASA's reanalysis as Peoria. That square ran 1.6°F warmer in 2015-2024 than in 1995-2004. See the full 30-year picture on the Peoria page.

Which forecast is most accurate in Sun City?

CheckWeather Score, graded against the weather that actually happened
ProviderCheckWeather-scoreTempWindRainRun by
European logo
European ★ Best
96
/100rank #1
91±0.9°F97±1.0 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom
American logo
American
80
/100rank #2
87±1.3°F90±3.0 mph6581% hitNOAA / NCEP (United States)College Park, Maryland, USA

The CheckWeather Score blends temperature, wind and rain accuracy, each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

What do you think of the forecasts?

your vote counts

The accuracy above is the measured record. This is your opinion: which forecast service do you trust most in United States? Give each 1 to 5 stars.

NWSNational Blend (NBM)
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AmericanNOAA GFS
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EuropeanECMWF
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One vote per service. Anonymous: we store no personal data, only a one-way hash of your connection for a day to stop double votes.

Common questions

What's the weather in Sun City today?
On this page we show what NWS, American, European each forecast for Sun City today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in Sun City today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for Sun City and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for Sun City?
Over the last 30 days, the European model has been the most accurate for Sun City (CheckWeather Score 96/100), ahead of the American at 80. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in Sun City?
July is typically the warmest month in Sun City, with average highs around 106°F.
How cold does Sun City get?
The coldest month in Sun City is December, when overnight lows average about 40°F.
How much rain does Sun City get?
Sun City sees roughly 9 in of precipitation a year, with August usually the wettest month.

Nearby

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