Estes Park weather in August

In August, Estes Park sees average daytime highs of 70°F and overnight lows near 45°F, with 4.9 in of rain across 20 wet days and about 13.6 hours of daylight. It is the 2nd-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 70°F through the month. The sky is clear or mostly clear about 28% of the time in August, and the air most often feels dry.

Daylight stretches from about 14 h 12 min at the start of August to 13 hours by month's end. Set against the rest of the year, August is Estes Park's 8th-clearest and 11th-windiest month. For the whole year in context, see Estes Park's year-round climate.

Daytime high
70°
2nd warmest
Overnight low
45°
11th coldest
Rainfall
4.9 in
20 wet days
Daylight
13 h 36 min
5:18 AM – 6:55 PM
Cloud cover
55%
8th clearest
Wind
4 mph
11th windiest
Solar energy
6.49 kWh/m²
Travel score
5.2
out of 10

Estes Park is town in Larimer County, Colorado, United States.

Density
356/km²
people per km²
Founded
1859

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

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 70°F through the month.

A typical August day in Estes Park reaches about 70°F in the afternoon and slips back to 45°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 77°F. Set against its neighbours, August runs about 2°F cooler than July and about 7°F warmer than September.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
17146
27146
37146
47146
57146
67146
77046
87045
97045
107045
117045
127045
137045
147045
157045
167044
177044
187044
197044
207044
217044
227044
237044
246944
256944
266944
276943
286943
296943
306843
316842

How August really feels in Estes Park

Once humidity and wind are folded in, August averages 0 days that feel above 90°F and 0 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
0
wind chill below the day's low

August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Estes Park weather by month

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

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 11°1.16.77.69.40.0
Feb32° / 11°1.38.1910.40.0
Mar39° / 17°2.09.69.111.70.0
Apr44° / 22°3.413.510.2130.7
May54° / 31°4.618.65.114.22.7
Jun66° / 40°4.217.50.614.85.0
Jul72° / 46°5.720014.65.3
Aug70° / 45°4.920013.65.2
Sep63° / 37°3.013.31.112.35.1
Oct51° / 27°2.08.95.610.92.6
Nov39° / 18°1.26.26.39.80.1
Dec31° / 10°1.16.37.29.20.0

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 32% of August, with mostly cloudy or overcast conditions the remaining 40%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
25149
35149
45347
55347
65545
75545
85644
95842
105842
116040
126040
136139
146238
156238
166238
176238
186238
196238
206238
216238
226238
236238
246238
256238
266337
276436
286436
296535
306634
316634

Chance of precipitation in August

Any precipitation

Estes Park gets around 4.9 in of rain over 20 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 63% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
170
269
369
468
568
667
767
866
965
1065
1164
1264
1363
1463
1563
1663
1763
1863
1963
2063
2162
2262
2362
2461
2561
2660
2759
2859
2958
3057
3157

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, August 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%151015202531
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
31100

Wind in August

Winds average 4 mph in August.

Across August, daily wind ranges from about 4 mph on the calmest days to 4 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 14 h 12 min at the start of August to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 72 minutes over August. Sunrise moves from 5:03 AM to 5:33 AM, and sunset from 7:13 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.25:037:13
214.15:047:12
314.15:057:11
414.15:067:10
514.05:077:09
614.05:087:08
714.05:097:06
813.95:107:05
913.95:117:04
1013.85:127:03
1113.85:137:01
1213.85:147:00
1313.75:156:59
1413.75:166:57
1513.75:176:56
1613.65:186:55
1713.65:196:53
1813.55:206:52
1913.55:216:50
2013.55:226:49
2113.45:236:47
2213.45:246:46
2313.35:256:44
2413.35:266:43
2513.25:276:41
2613.25:286:40
2713.25:296:38
2813.15:306:36
2913.15:316:35
3013.05:326:33
3113.05:336:32

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 6.49 kWh/m².

For context, solar energy here swings from a low near 2.46 kWh/m² to a high of 7.61 kWh/m² in June across the year — August's 6.49 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.6Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.4Intense
216.4Intense
226.4Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.2Intense
286.2Intense
296.2Intense
306.1Intense
316.1Intense
Planning a trip in August

Hazard calendar for Estes Park

In seasonPeak

In August, Estes Park sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Estes Park's rainy season runs April–September, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Estes Park?

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

5.2
Sightseeing
2nd-best month of the year
3.2
Beach & pool
2nd-best month of the year

August is a reasonable time to visit Estes Park for sightseeing.

What to pack for Estes Park in August

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

In August, Estes Park sees daytime highs around 70°F and nights near 45°F. Pack rain gear and sun protection. Worth having: a warm layer. About 20 days see rain.

rain gearsun protectiona warm layer

UV index in Estes Park in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Estes Park peaks around July 13 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 13UV 11Jan 11UV 2
UV index (midday)Level
Jan2Low
Feb4Moderate
Mar6High
Apr7High
May9Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Estes Park in August

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Estes Park is worst in October — around 51 µg/m³ PM2.5 (poor), about 8.7× the cleanest month (November, 6 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorGoodOct 1447 µg/m³Jan 176 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb7Good
Mar8Good
Apr7Good
May8Good
Jun10Good
Jul10Good
Aug33Moderate
Sep27Moderate
Oct51Poor
Nov6Good
Dec7Good
Location & terrain

Where is Estes Park?

Estes Park sits at 40.4°N, 105.5°W, 0 ft above sea level, in United States. The nearest listed city is Loveland, 24 mi away.

Topography around Estes Park

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

Within 2 miles, the terrain around Estes Park has significant variations in elevation — a maximum elevation change of 1,450 ft around an average of 7,825 ft above sea level; within 10 miles, extreme variations in elevation — a maximum elevation change of 7,995 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,531 ft.

The land around Estes Park is covered by trees (54%) and grassland (32%) within 2 miles, trees (78%) within 10 miles, and grassland (42%) and trees (41%) within 50 miles.

2 miles
1,450 ft
10 miles
7,995 ft
50 miles
9,531 ft
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
August weather nearby: Loveland 24 mi · Longmont 27 mi · Fort Collins 27 mi · Boulder 29 mi · Windsor 34 mi · Erie 34 mi · Louisville 34 mi · Lafayette 35 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 Estes Park (40.3772°, -105.5217°, 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. 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).