Idaho Falls weather in April

In April, Idaho Falls sees average daytime highs of 56°F and overnight lows near 34°F, with 1.8 in of precipitation across 11.2 wet days and about 13.2 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Highs climb over the month, from about 52°F in the first days to 60°F by the end. The sky is clear or mostly clear about 20% of the time in April, and the air most often feels dry.

Daylight stretches from about 12 h 24 min at the start of April to 13 h 48 min by month's end. Set against the rest of the year, April is Idaho Falls's 10th-clearest and 1st-windiest month. For the whole year in context, see Idaho Falls's year-round climate.

Daytime high
56°
7th warmest
Overnight low
34°
6th coldest
Precipitation
1.8 in
11.2 wet days
Daylight
13 h 12 min
5:53 AM – 7:04 PM
Cloud cover
65%
10th clearest
Wind
7 mph
1st windiest
Solar energy
5.89 kWh/m²
Travel score
3.7
out of 10

Idaho Falls is city in and county seat of Bonneville County, Idaho, United States.

Density
988/km²
people per km²
Founded
1864

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 52°F in the first days to 60°F by the end.

A typical April day in Idaho Falls reaches about 56°F in the afternoon and slips back to 34°F overnight — a 22°F spread between the day's warmth and the night's chill. On most days the high lands between 45°F and 69°F. Set against its neighbours, April runs about 9°F warmer than March and about 10°F cooler than May.

20°40°60°80°151015202530
Avg high (°F)Avg low (°F)
15232
25232
35232
45332
55332
65333
75433
85433
95433
105533
115533
125534
135634
145634
155634
165634
175735
185735
195735
205835
215835
225836
235936
245936
255936
266037
276037
286037
296137
306137

How April really feels in Idaho Falls

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 29 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
29
wind chill below the day's low

The story in April is cold — wind chill drags the overnight "feels like" below the raw low.

Idaho Falls weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 17°1.49.410.39.10.0
Feb36° / 21°1.17.87.310.20.0
Mar47° / 29°1.49.24.611.61.6
Apr56° / 34°1.811.2313.23.7
May66° / 42°2.19.60.814.56.1
Jun76° / 50°1.260.115.27.5
Jul87° / 57°0.53.3014.95.9
Aug85° / 55°0.53.5013.86.5
Sep74° / 47°1.04.20.112.38.0
Oct58° / 36°1.36.51.210.85.0
Nov43° / 26°1.27.45.59.50.7
Dec31° / 18°1.59.49.78.80.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 20% of April, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13862
23862
33862
43862
53862
63961
73862
83862
93862
103862
113862
123862
133862
143862
153862
163961
173961
183961
193961
204060
214060
223961
234159
244159
254159
264159
274258
284357
294357
304357

Chance of precipitation in April

Any precipitationSnow

Idaho Falls gets around 1.8 in of rain and snow over 11.2 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 37% on the wettest days, and about 3 days bring snow.

0%10%20%30%40%50%151015202530
Rain chance (%)Snow chance (%)
13715
23714
33714
43614
53613
63613
73713
83712
93712
103712
113711
123711
133710
143710
15379
16379
17379
18378
19378
20378
21378
22378
23377
24377
25367
26367
27356
28356
29346
30346

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

Most of April feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, April lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in April

Winds average 7 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 84 minutes over April. Sunrise moves from 6:19 AM to 5:30 AM, and sunset from 6:46 PM to 7:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:196:46
212.56:186:47
312.56:166:49
412.66:146:50
512.66:126:51
612.76:106:52
712.76:086:53
812.86:076:55
912.86:056:56
1012.96:036:57
1112.96:016:58
1213.06:006:59
1313.05:587:01
1413.15:567:02
1513.15:547:03
1613.25:537:04
1713.25:517:05
1813.35:497:07
1913.35:477:08
2013.45:467:09
2113.45:447:10
2213.55:437:11
2313.55:417:13
2413.65:397:14
2513.65:387:15
2613.75:367:16
2713.75:357:17
2813.85:337:19
2913.85:327:20
3013.85:307:21

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 5.89 kWh/m².

For context, solar energy here swings from a low near 1.7 kWh/m² to a high of 7.94 kWh/m² in July across the year — April's 5.89 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.4Bright
55.5Bright
65.5Bright
75.5Bright
85.6Bright
95.6Bright
105.7Bright
115.7Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
176.0Bright
186.0Bright
196.0Intense
206.1Intense
216.1Intense
226.2Intense
236.2Intense
246.2Intense
256.3Intense
266.3Intense
276.3Intense
286.4Intense
296.4Intense
306.5Intense
Planning a trip in April

Is April a good time to visit Idaho Falls?

Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.7
Sightseeing
7th-best month of the year
0.1
Beach & pool
7th-best month of the year

April is a weaker month for outdoor sightseeing in Idaho Falls.

What to pack for Idaho Falls in April

From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In April, Idaho Falls sees daytime highs around 56°F and nights near 34°F. Worth packing: a warm layer, rain gear and sun protection. About 11 days see rain.

a warm layerrain gearsun protection

UV index in Idaho Falls in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Idaho Falls peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highHighModerateLowJul 12UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr5Moderate
May8Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec2Low

Air quality in Idaho Falls in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Idaho Falls is worst in August — around 20 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (December, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodAug 1420 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar10Good
Apr10Good
May10Good
Jun9Good
Jul17Moderate
Aug20Moderate
Sep14Moderate
Oct9Good
Nov9Good
Dec7Good
Location & terrain

Where is Idaho Falls?

Idaho Falls sits at 43.5°N, 112.0°W, 4,705 ft above sea level, in United States. The nearest listed city is Rexburg, 28 mi away.

Topography around Idaho Falls

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Idaho Falls.

Within 2 miles, the terrain around Idaho Falls has only modest variations in elevation — a maximum elevation change of 95 ft around an average of 4,698 ft above sea level; within 10 miles, significant variations in elevation — a maximum elevation change of 1,693 ft; within 50 miles, very significant variations in elevation — a maximum elevation change of 5,561 ft.

The land around Idaho Falls is covered by artificial surfaces (33%) and trees (22%) within 2 miles, cropland (45%) and grassland (38%) within 10 miles, and grassland (54%) and cropland (22%) within 50 miles.

2 miles
95 ft
10 miles
1,693 ft
50 miles
5,561 ft
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Rexburg 28 mi · Pocatello 46 mi · Conda 57 mi · Logan 120 mi · Brigham City 135 mi · Twin Falls 137 mi · North Ogden 149 mi · Ogden 155 mi

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
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

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 Idaho Falls (43.4666°, -112.0341°, elevation 4,705 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).