Zion in Spring
In spring (March, April and May), Zion sees average daytime highs around 45°F and overnight lows near 38°F, with 11.0 in of precipitation over about 33 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs climb from about 33°F in early March to 61°F by late May. The sky is clear or mostly clear about 27% of the time across spring, and the air most often feels dry.
Spring is Zion's 3rd-best season to visit on our travel score. For the whole year in context, see Zion's year-round climate.
- Avg daytime high
- 45°F
- 3rd-warmest season
- Avg overnight low
- 38°F
- Precipitation
- 11.0 in
- 33 wet days
- Avg wind
- 13 mph
- Travel score
- 1.4
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Zion in Spring
Over the season highs climb from about 33°F in early March to 61°F by late May.
A typical spring day in Zion reaches about 45°F and drops to 38°F overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Zion
Once humidity and wind are folded in, spring brings about 0 days that feel above 90°F and 52 that feel at or below 32°F.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Zion 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 | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 30° / 22° | 2.7 | 9.6 | 7 | 9.2 | 0.0 |
| Feb | 30° / 21° | 2.2 | 7.5 | 5.4 | 10.3 | 0.0 |
| Mar | 36° / 28° | 2.7 | 9.6 | 3.6 | 11.6 | 0.0 |
| Apr | 44° / 38° | 4.5 | 11.8 | 1.5 | 13.1 | 0.8 |
| May | 55° / 49° | 3.8 | 11.2 | 0 | 14.4 | 3.5 |
| Jun | 69° / 62° | 3.2 | 10.1 | 0 | 15 | 6.3 |
| Jul | 77° / 70° | 2.8 | 9.9 | 0 | 14.8 | 7.0 |
| Aug | 76° / 70° | 3.7 | 10.6 | 0 | 13.7 | 7.0 |
| Sep | 70° / 64° | 3.1 | 9.7 | 0 | 12.3 | 6.7 |
| Oct | 58° / 51° | 3.8 | 10.8 | 0.1 | 10.8 | 4.3 |
| Nov | 46° / 39° | 3.2 | 9.7 | 1.3 | 9.6 | 1.1 |
| Dec | 36° / 29° | 2.8 | 9.8 | 4.9 | 8.9 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 27% of the time across spring.
Chance of precipitation in Spring
Zion gets around 11.0 in of rain and snow over 33 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 13 mph across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 54 min in early March to 14 h 48 min 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 5.0 kWh/m².
Is spring a good time to visit Zion?
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 weaker month for outdoor sightseeing in Zion.
What to pack for Zion in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Zion sees daytime highs around 45°F and nights near 38°F. Pack a warm layer and a heavy coat. Worth having: rain gear, sun protection and a windbreaker. About 33 days see rain.
Sea temperature near Zion in Spring
The nearest coast averages about 39°F across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in August at about 71°F and coldest in March near 36°F.
It's comfortable for a long swim from Jul 18 to Sep 8 — about 1.7 months when the water holds above 68°F.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°F) | 38 | 36 | 36 | 38 | 43 | 55 | 68 | 71 | 67 | 57 | 47 | 42 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Refreshing | Refreshing | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°F) | Comfort | |
|---|---|---|
| Jan | 38 | Bracing |
| Feb | 36 | Bracing |
| Mar | 36 | Bracing |
| Apr | 38 | Bracing |
| May | 43 | Bracing |
| Jun | 55 | Bracing |
| Jul | 68 | Refreshing |
| Aug | 71 | Refreshing |
| Sep | 67 | Cool |
| Oct | 57 | Bracing |
| Nov | 47 | Bracing |
| Dec | 42 | Bracing |
UV index in Zion in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Zion peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 6 | 7 | 9 | 9 | 8 | 6 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 6 | High |
| May | 7 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 6 | High |
| Oct | 3 | Moderate |
| Nov | 2 | Moderate |
| Dec | 1 | Low |
Air quality in Zion 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 Zion is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 9 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) | 11 | 13 | 15 | 15 | 16 | 17 | 17 | 16 | 13 | 9 | 9 | 10 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 11 | Good |
| Feb | 13 | Moderate |
| Mar | 15 | Moderate |
| Apr | 15 | Moderate |
| May | 16 | Moderate |
| Jun | 17 | Moderate |
| Jul | 17 | Moderate |
| Aug | 16 | Moderate |
| Sep | 13 | Moderate |
| Oct | 9 | Good |
| Nov | 9 | Good |
| Dec | 10 | Good |
Where is Zion?
Zion sits at 42.4°N, 87.8°W, 650 ft above sea level, in United States. The nearest listed city is Waukegan, 5.6 mi away.
Topography around Zion
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Zion.
Within 2 miles, the terrain around Zion has only modest variations in elevation — a maximum elevation change of 233 ft around an average of 650 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 295 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 804 ft.
The land around Zion is covered by trees (47%), grassland (24%) and artificial surfaces (20%) within 2 miles, water (44%) and trees (20%) within 10 miles, and water (47%) 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 Zion (42.4461°, -87.8328°, elevation 650 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.