Aspen weather in April

In April, Aspen sees average daytime highs of 39°F and overnight lows near 19°F, with 3.3 in of precipitation across 13.9 wet days and about 13 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 37°F in the first days to 42°F by the end. The sky is clear or mostly clear about 24% 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 36 min by month's end. Set against the rest of the year, April is Aspen's 12th-clearest and 1st-windiest month. For the whole year in context, see Aspen's year-round climate.

Daytime high
39°
7th warmest
Overnight low
19°
6th coldest
Precipitation
3.3 in
13.9 wet days
Daylight
13 hours
5:37 AM – 6:38 PM
Cloud cover
61%
12th clearest
Wind
5 mph
1st windiest
Solar energy
6.77 kWh/m²
Travel score
0.0
out of 10

Aspen is city in and county seat of Pitkin County, Colorado, United States.

Density
685/km²
people per km²
Founded
1879

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 37°F in the first days to 42°F by the end.

A typical April day in Aspen reaches about 39°F in the afternoon and slips back to 19°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 28°F and 48°F. Set against its neighbours, April runs about 5°F warmer than March and about 9°F cooler than May.

20°40°60°151015202530
Avg high (°F)Avg low (°F)
13617
23717
33717
43717
53717
63717
73718
83818
93818
103818
113818
123819
133819
143819
153919
163919
173920
183920
193920
204020
214020
224021
234021
244021
254121
264122
274122
284222
294222
304222

How April really feels in Aspen

Once humidity and wind are folded in, April averages 0 days that feel above 90°F and 30 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
30
23 feel bitter (≤ 14°F)

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

Aspen weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan24° / 2.311.3139.60.0
Feb27° / 2.413.11410.50.0
Mar34° / 14°2.512.51311.70.0
Apr39° / 19°3.313.913.7130.0
May48° / 26°2.211.47.314.11.7
Jun60° / 32°1.27.11.214.75.4
Jul68° / 40°2.311.70.114.56.2
Aug66° / 40°2.613.90.113.55.7
Sep58° / 33°2.110.42.112.34.5
Oct45° / 21°2.19.87.7111.2
Nov33° / 2.19.310.49.90.0
Dec24° / 2.210.712.39.30.0

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in April, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 18% of April, with mostly cloudy or overcast conditions the remaining 58%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24357
34357
44357
54258
64258
74357
84258
94357
104258
114258
124258
134357
144258
154258
164258
174258
184159
194258
204357
214258
224258
234258
244159
254159
264159
274258
284258
294357
304357

Chance of precipitation in April

Any precipitationSnow

Aspen gets around 3.3 in of rain and snow over 13.9 wet days in April, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 46% and peaks near 47% on the wettest days, and about 14 days bring snow.

0%20%40%60%151015202530
Rain chance (%)Snow chance (%)
14749
24749
34748
44648
54648
64648
74647
84547
94547
104546
114546
124546
134546
144646
154645
164645
174645
184745
194745
204745
214745
224745
234744
244744
254743
264642
274541
284540
294439
304338

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 5 mph in April, the windiest month of the year.

Across April, daily wind ranges from about 5 mph on the calmest days to 5 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 12 h 24 min at the start of April to 13 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 72 minutes over April. Sunrise moves from 6:00 AM to 5:17 AM, and sunset from 6:23 PM to 6:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:006:23
212.45:596:24
312.55:576:25
412.55:566:26
512.65:546:27
612.65:526:28
712.65:516:29
812.75:496:30
912.75:486:31
1012.85:466:32
1112.85:446:33
1212.95:436:34
1312.95:416:35
1412.95:406:36
1513.05:386:37
1613.05:376:38
1713.15:356:39
1813.15:346:40
1913.15:326:41
2013.25:316:42
2113.25:296:43
2213.35:286:44
2313.35:276:45
2413.45:256:46
2513.45:246:47
2613.45:226:48
2713.55:216:49
2813.55:206:50
2913.55:186:51
3013.65:176:52

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 6.77 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 8.29 kWh/m² in June across the year — April's 6.77 kWh/m² falls in the middle.

02468151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.3Intense
36.3Intense
46.4Intense
56.4Intense
66.4Intense
76.5Intense
86.5Intense
96.6Intense
106.6Intense
116.6Intense
126.7Intense
136.7Intense
146.7Intense
156.8Intense
166.8Intense
176.8Intense
186.9Intense
196.9Intense
206.9Intense
217.0Intense
227.0Intense
237.0Intense
247.1Intense
257.1Intense
267.1Intense
277.2Intense
287.2Intense
297.2Intense
307.3Intense
Planning a trip in April

Is April a good time to visit Aspen?

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

0.0
Sightseeing
7th-best month of the year
0.0
Beach & pool
6th-best month of the year

April is a weaker month for outdoor sightseeing in Aspen.

What to pack for Aspen in April

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

In April, Aspen sees daytime highs around 39°F and nights near 19°F. Pack a warm layer, a heavy coat, rain gear and sun protection. About 14 days see rain.

a warm layera heavy coatrain gearsun protection

UV index in Aspen in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks 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 Aspen peaks around June 22 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 12Jan 10UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar7High
Apr7Very high
May10Very high
Jun13Extreme
Jul12Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Aspen?

Aspen sits at 39.2°N, 106.8°W, 0 ft above sea level, in United States. The nearest listed city is Montrose, 75 mi away.

Topography around Aspen

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

Within 2 miles, the terrain around Aspen has large variations in elevation — a maximum elevation change of 2,887 ft around an average of 8,688 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 6,417 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 8,927 ft.

The land around Aspen is covered by trees (77%) within 2 miles, trees (74%) within 10 miles, and trees (64%) and grassland (24%) within 50 miles.

2 miles
2,887 ft
10 miles
6,417 ft
50 miles
8,927 ft
treesgrasslandartificial surfacesbare terrainmoss and lichen
April weather nearby: Montrose 75 mi · Clifton 88 mi · Grand Junction 93 mi · Golden 94 mi · Dakota Ridge 94 mi · Ken Caryl 95 mi · Columbine 98 mi · Lakewood 99 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 Aspen (39.1911°, -106.8175°, elevation 0 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).