Golden weather in May

In May, Golden sees average daytime highs of 62°F and overnight lows near 37°F, with 4.1 in of precipitation across 15.3 wet days and about 14.2 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 57°F in the first days to 67°F by the end. The sky is clear or mostly clear about 23% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 42 min at the start of May to 14 h 36 min by month's end. Set against the rest of the year, May is Golden's 12th-clearest and 8th-windiest month. For the whole year in context, see Golden's year-round climate.

Daytime high
62°
5th warmest
Overnight low
37°
8th coldest
Precipitation
4.1 in
15.3 wet days
Daylight
14 h 12 min
4:52 AM – 7:03 PM
Cloud cover
61%
12th clearest
Wind
5 mph
8th windiest
Solar energy
7 kWh/m²
Travel score
4.6
out of 10

Golden is city in and county seat of Jefferson County, Colorado, United States.

Density
783/km²
people per km²
Founded
1859

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 57°F in the first days to 67°F by the end.

A typical May day in Golden reaches about 62°F in the afternoon and slips back to 37°F overnight — a 25°F spread between the day's warmth and the night's chill. On most days the high lands between 48°F and 75°F. Set against its neighbours, May runs about 9°F warmer than April and about 11°F cooler than June.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
15632
25732
35733
45733
55833
65833
75934
85934
96035
106035
116035
126136
136136
146236
156237
166237
176337
186338
196338
206438
216439
226439
236539
246540
256540
266640
276641
286741
296741
306842
316842

How May really feels in Golden

Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 13 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
13
wind chill below the day's low

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

Golden weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan37° / 15°1.05.769.50.0
Feb39° / 16°1.16.66.710.40.0
Mar47° / 22°2.19.17.811.71.6
Apr53° / 28°3.211.68.2132.8
May62° / 37°4.115.34.114.24.6
Jun73° / 46°3.314.90.414.86.0
Jul79° / 52°3.415.9014.55.9
Aug77° / 51°3.317013.66.0
Sep70° / 44°2.210.6112.36.6
Oct58° / 32°1.97.7410.94.8
Nov46° / 22°1.36.86.19.81.3
Dec37° / 15°0.95.35.79.20.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 23% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24753
34753
44753
54753
64753
74753
84753
94753
104753
114753
124753
134654
144654
154555
164357
174357
184357
194357
204357
214357
224357
234357
244555
254555
264654
274654
284753
294951
305050
315248

Chance of precipitation in May

Any precipitationSnow

Golden gets around 4.1 in of rain and snow over 15.3 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 49% and peaks near 55% on the wettest days, and about 4 days bring snow. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)Snow chance (%)
14423
24422
34421
44421
54420
64419
74418
84418
94517
104516
114516
124615
134715
144714
154814
164913
175013
185012
195112
205211
215311
225310
235410
24549
25559
26558
27558
28557
29556
30556
31555

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May 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 May

Winds average 5 mph in May.

Across May, 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.

0246810151015202531
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
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 42 min at the start of May to 14 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over May. Sunrise moves from 5:08 AM to 4:41 AM, and sunset from 6:48 PM to 7:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.75:086:48
213.75:076:49
313.75:066:50
413.85:056:51
513.85:036:52
613.85:026:53
713.95:016:54
813.95:006:55
914.04:596:56
1014.04:586:57
1114.04:576:58
1214.14:566:59
1314.14:557:00
1414.14:547:01
1514.24:537:02
1614.24:527:03
1714.24:517:04
1814.24:507:05
1914.34:497:05
2014.34:487:06
2114.34:477:07
2214.44:477:08
2314.44:467:09
2414.44:457:10
2514.44:447:11
2614.54:447:12
2714.54:437:12
2814.54:437:13
2914.54:427:14
3014.64:417:15
3114.64:417:16

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 7 kWh/m².

For context, solar energy here swings from a low near 2.62 kWh/m² to a high of 7.51 kWh/m² in June across the year — May's 7 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.9Intense
66.9Intense
76.9Intense
86.9Intense
96.9Intense
106.9Intense
117.0Intense
127.0Intense
137.0Intense
147.0Intense
157.0Intense
167.0Intense
177.0Intense
187.0Intense
197.0Intense
207.0Intense
217.0Intense
227.0Intense
237.1Intense
247.1Intense
257.1Intense
267.1Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.3Intense
Planning a trip in May

Hazard calendar for Golden

In seasonPeak

In May, Golden sits inside 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 May a good time to visit Golden?

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

4.6
Sightseeing
6th-best month of the year
1.2
Beach & pool
5th-best month of the year

May is a reasonable time to visit Golden for sightseeing.

What to pack for Golden in May

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

In May, Golden sees daytime highs around 62°F and nights near 37°F. Pack rain gear and sun protection. Worth having: a warm layer. About 15 days see rain.

rain gearsun protectiona warm layer

UV index in Golden in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 14UV 11Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar7High
Apr7High
May8Very high
Jun11Extreme
Jul11Extreme
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec2Moderate

Air quality in Golden in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateAug 1620 µg/m³May 1113 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb15Moderate
Mar16Moderate
Apr13Moderate
May13Moderate
Jun14Moderate
Jul14Moderate
Aug21Moderate
Sep13Moderate
Oct15Moderate
Nov15Moderate
Dec16Moderate
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
10 miles
4,738 ft
50 miles
9,498 ft
treesgrasslandcroplandartificial surfacesbare terrainwatermoss and lichen
May 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
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 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. 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).