Casa Grande in Spring
In spring (March, April and May), Casa Grande sees average daytime highs around 86°F and overnight lows near 58°F, with 1.1 in of rain over about 4 wet days across the season. It is the 3rd-warmest season and the driest season of the year.
Over the season highs climb from about 74°F in early March to 98°F by late May. The sky is clear or mostly clear about 70% of the time across spring, and the air most often feels dry.
Spring is Casa Grande's 2nd-best season to visit on our travel score. For the whole year in context, see Casa Grande's year-round climate.
- Avg daytime high
- 86°F
- 3rd-warmest season
- Avg overnight low
- 58°F
- Rainfall
- 1.1 in
- 4 wet days
- Avg wind
- 5 mph
- Travel score
- 6.2
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Casa Grande in Spring
Over the season highs climb from about 74°F in early March to 98°F by late May.
A typical spring day in Casa Grande reaches about 86°F and drops to 58°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Casa Grande
Once humidity and wind are folded in, spring brings about 33 days that feel above 90°F and 0 that feel at or below 32°F.
The story in spring is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Casa Grande weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 67° / 43° | 1.0 | 3.5 | 10.1 | 7.5 |
| Feb | 71° / 47° | 1.1 | 3.7 | 10.8 | 7.8 |
| Mar | 78° / 52° | 0.7 | 2.7 | 11.8 | 8.3 |
| Apr | 85° / 57° | 0.2 | 1.1 | 12.8 | 6.8 |
| May | 94° / 65° | 0.1 | 0.6 | 13.7 | 3.5 |
| Jun | 104° / 74° | 0.1 | 0.5 | 14.1 | 0.4 |
| Jul | 105° / 81° | 0.8 | 3.9 | 13.9 | 0.0 |
| Aug | 103° / 81° | 1.1 | 4.3 | 13.2 | 0.2 |
| Sep | 99° / 74° | 0.9 | 3.1 | 12.2 | 1.8 |
| Oct | 89° / 63° | 0.5 | 2.1 | 11.2 | 5.5 |
| Nov | 76° / 51° | 0.5 | 1.8 | 10.3 | 8.6 |
| Dec | 66° / 43° | 0.9 | 3.6 | 9.9 | 7.4 |
Cloud cover in Spring
The sky is clear or mostly clear about 70% of the time across spring.
Chance of precipitation in Spring
Casa Grande gets around 1.1 in of rain over 4 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 5 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 12 min in early March to 14 hours by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 7.2 kWh/m².
Is spring a good time to visit Casa Grande?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Casa Grande for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Casa Grande in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Casa Grande sees daytime highs around 86°F and nights near 58°F. Pack light clothes and sun protection.
UV index in Casa Grande in Spring
Clear-sky midday UV across spring averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Casa Grande peaks around June 23 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).
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) | 4 | 5 | 5 | 8 | 9 | 11 | 11 | 11 | 9 | 7 | 5 | 3 |
| Level | Moderate | Moderate | Moderate | Very high | Very high | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 4 | Moderate |
| Feb | 5 | Moderate |
| Mar | 5 | Moderate |
| Apr | 8 | Very high |
| May | 9 | Very high |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 11 | Extreme |
| Sep | 9 | Very high |
| Oct | 7 | High |
| Nov | 5 | Moderate |
| Dec | 3 | Moderate |
Air quality in Casa Grande in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Casa Grande is worst in June — around 28 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 12 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) | 13 | 13 | 14 | 14 | 14 | 28 | 14 | 13 | 13 | 12 | 13 | 13 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 13 | Moderate |
| Feb | 13 | Moderate |
| Mar | 14 | Moderate |
| Apr | 14 | Moderate |
| May | 14 | Moderate |
| Jun | 28 | Moderate |
| Jul | 14 | Moderate |
| Aug | 13 | Moderate |
| Sep | 13 | Moderate |
| Oct | 12 | Moderate |
| Nov | 13 | Moderate |
| Dec | 13 | Moderate |
Where is Casa Grande?
Casa Grande sits at 32.9°N, 111.8°W, 1,398 ft above sea level, in United States. The nearest listed city is Eloy, 14 mi away.
Topography around Casa Grande
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Casa Grande.
Within 2 miles, the terrain around Casa Grande has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 1,398 ft above sea level; within 10 miles, large variations in elevation — a maximum elevation change of 2,182 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 4,928 ft.
The land around Casa Grande is covered by bare terrain (44%) and artificial surfaces (38%) within 2 miles, bare terrain (43%) and shrubs (25%) within 10 miles, and shrubs (59%) and bare terrain (20%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Casa Grande (32.8795°, -111.7574°, elevation 1,398 ft), 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.