Golden in Summer

In summer (June, July and August), Golden sees average daytime highs around 76°F and overnight lows near 50°F, with 10.0 in of precipitation over about 48 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Over the season highs climb from about 69°F in early June to 76°F by late August. The sky is clear or mostly clear about 30% of the time across summer, and the air most often feels dry.

Summer is Golden's best season of the year to visit on our travel score. For the whole year in context, see Golden's year-round climate.

Avg daytime high: 76°F; warmest season of the year
Avg overnight low: 50°F
Precipitation: 10.0 in; 48 wet days
Avg wind: 5 mph
Travel score: 6.0; best season of the year
Months: Jun · Jul · Aug

← Spring Golden year-round climate Fall →

Spring Summer Fall Winter

Temperature in Golden in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 69°F in early June to 76°F by late August.

A typical summer day in Golden reaches about 76°F and drops to 50°F overnight. The warmest of the three months is July, the coolest June.

How summer really feels in Golden

Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.

Days feeling ≥ 90°F

heat index over the day's high

Days feeling ≤ 32°F

wind chill below the day's low

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

Golden weather by month

How the three summer months (June, July and August) 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	37° / 15°	1.0	5.7	6	9.5	0.0
Feb	39° / 16°	1.1	6.6	6.7	10.4	0.0
Mar	47° / 22°	2.1	9.1	7.8	11.7	1.6
Apr	53° / 28°	3.2	11.6	8.2	13	2.8
May	62° / 37°	4.1	15.3	4.1	14.2	4.6
Jun	73° / 46°	3.3	14.9	0.4	14.8	6.0
Jul	79° / 52°	3.4	15.9	0	14.5	5.9
Aug	77° / 51°	3.3	17	0	13.6	6.0
Sep	70° / 44°	2.2	10.6	1	12.3	6.6
Oct	58° / 32°	1.9	7.7	4	10.9	4.8
Nov	46° / 22°	1.3	6.8	6.1	9.8	1.3
Dec	37° / 15°	0.9	5.3	5.7	9.2	0.0

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time across summer.

Chance of precipitation in Summer

Any precipitationSnow

Golden gets around 10.0 in of rain and snow over 48 wet days across summer. The line is the day-by-day chance of measurable precipitation.

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

Wind in Summer

Winds average 5 mph across summer.

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 36 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 7.1 kWh/m².

Planning a trip in summer

Hazard calendar for Golden

In seasonPeak

In summer, Golden overlaps its rainy season season. The full year is below, with each hazard's peak months called out.

Golden's rainy season runs March–October, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is summer a good time to visit Golden?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.0

Sightseeing

1st-best month of the year

5.2

Beach & pool

1st-best month of the year

summer is a reasonable time to visit Golden for sightseeing.

What to pack for Golden in Summer

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

In summer, Golden sees daytime highs around 76°F and nights near 50°F. Pack rain gear and sun protection. Worth having: light clothes and a warm layer. About 48 days see rain.

rain gearsun protectionlight clothesa warm layer

UV index in Golden in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Golden peaks around July 14 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	2	4	7	7	8	11	11	10	8	6	4	2
Level	Moderate	Moderate	High	High	Very high	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate

	UV index (midday)	Level
Jan	2	Moderate
Feb	4	Moderate
Mar	7	High
Apr	7	High
May	8	Very high
Jun	11	Extreme
Jul	11	Extreme
Aug	10	Extreme
Sep	8	Very high
Oct	6	High
Nov	4	Moderate
Dec	2	Moderate

Air quality in Golden in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Golden is worst in August — around 21 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (May, 13 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)	17	15	16	13	13	14	14	21	13	15	15	16
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	17	Moderate
Feb	15	Moderate
Mar	16	Moderate
Apr	13	Moderate
May	13	Moderate
Jun	14	Moderate
Jul	14	Moderate
Aug	21	Moderate
Sep	13	Moderate
Oct	15	Moderate
Nov	15	Moderate
Dec	16	Moderate

Location & terrain

Where is Golden?

Golden sits at 39.8°N, 105.2°W, 5,676 ft above sea level, in United States. The nearest listed city is Wheat Ridge, 7.5 mi away.

Topography around Golden

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

Within 2 miles, the terrain around Golden has significant variations in elevation — a maximum elevation change of 1,864 ft around an average of 6,106 ft above sea level; within 10 miles, very significant variations in elevation — a maximum elevation change of 4,738 ft; within 50 miles, extreme variations in elevation — a maximum elevation change of 9,498 ft.

The land around Golden is covered by grassland (58%), trees (21%) and artificial surfaces (21%) within 2 miles, grassland (40%) and trees (38%) within 10 miles, and trees (40%) and grassland (39%) within 50 miles.

2 miles

1,864 ft

grassland 58%

10 miles

4,738 ft

grassland 40%

50 miles

9,498 ft

trees 40%

treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen

← Spring Golden year-round climate Fall →

Summer weather nearby: Wheat Ridge 7.5 mi · Arvada 8.1 mi · Lakewood 8.1 mi · Dakota Ridge 11 mi · Westminster 11 mi · Denver 12 mi · Sherrelwood 13 mi · Broomfield 14 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

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 Golden (39.7555°, -105.2211°, elevation 5,676 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.