Golden climate — normals and trends
Golden (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 5.9 °C and it receives 759 mm of precipitation per year.
These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.
The warmest month is July (18.4 °C on average) and the coldest is January (-4.9 °C). Rainfall peaks in May.
Golden averages 185 frost days, 5 hot days (≥ 30 °C) and 138 rainy days per year.
Golden has warmed by +2.4 °C between 1940 and 2025, or +0.28 °C per decade. This trend is statistically significant.
The number of frost days there went from about 195 to 175 per year over the period.
The hottest day of the period reached 34.3 °C (on 23 June 1954) and the coldest -39.3 °C (on 12 January 1963).
Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.
Climate normals · ERA5
GoldenColorado
- coords
- 39.76°, -105.22°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
5.9°C
Average daily high
13.1°C
Average daily low
-0.5°C
Annual rainfall
759mm
Sunshine / day
10.8h
Mean relative humidity
61%
Average peak wind
13.9km/h
Seasonal range
23.3°C
Frost days (< 0 °C)
185 d/yr
Hot days (≥ 30 °C)
5 d/yr
Rainy days (≥ 1 mm)
138 d/yr
Annual snowfall
186.1 cm
Average feels-like high
10.7 °C
Average feels-like low
-4.4 °C
Average peak gust
35.5 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
18.7 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.48 · p = < 0.001
Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).
A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.
Records for the period
Hottest day
34.3 °C
23 June 1954
Coldest day
-39.3 °C
12 January 1963
Wettest day
60 mm
3 April 1986
Windiest day
50.2 km/h
2 April 1982
Strongest gust
121.0 km/h
2 April 1982
Hottest feels-like
33.7 °C
18 July 2022
Coldest feels-like
-45.1 °C
12 January 1963
Snowiest day
41.2 cm
3 April 1986
Sunniest day
14.2 h
25 June 1940
Normals computed over complete calendar years 1940–2025.
A specific year
Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?
Across the whole year
Month by month
| High | vs. normal | Precipitation | vs. normal | |
|---|---|---|---|---|
| Jan | 0.0 °C | -2.0 °C | 36 mm | +9 mm |
| Feb | 3.9 °C | +0.5 °C | 38 mm | +7 mm |
| Mar | 11.1 °C | +4.5 °C | 44 mm | -14 mm |
| Apr | 12.9 °C | +1.9 °C | 61 mm | -23 mm |
| May | 17.4 °C | +1.2 °C | 120 mm | +6 mm |
| Jun | 23.9 °C | +1.3 °C | 122 mm | +32 mm |
| Jul | 27.2 °C | +1.6 °C | 69 mm | -23 mm |
| Aug | 26.0 °C | +1.3 °C | 123 mm | +34 mm |
| Sep | 21.4 °C | +0.5 °C | 89 mm | +27 mm |
| Oct | 16.5 °C | +1.9 °C | 36 mm | -12 mm |
| Nov | 12.6 °C | +5.5 °C | 8 mm | -29 mm |
| Dec | 10.0 °C | +7.1 °C | 26 mm | -1 mm |
The year's extremes
What was the weather like that day?
Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.
Frequently asked questions
What is the climate of Golden?
Golden has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 5.9 °C and it receives 759 mm of precipitation per year.
What is the hottest day ever recorded in Golden?
The hottest day measured in Golden between 1940 and 2025 was 23 June 1954, reaching 34.3 °C.
What is the coldest day in Golden?
The coldest day measured in Golden between 1940 and 2025 was 12 January 1963, at -39.3 °C.
Does it snow in Golden?
Yes. Golden gets on average 186.1 cm of snow per year and has around 185 frost days.
Has the climate of Golden warmed?
Yes: Golden warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Golden?
The wettest day measured in Golden between 1940 and 2025 was 3 April 1986, with 60 mm of rain in 24 hours.
What was the windiest day in Golden?
The windiest day measured in Golden between 1940 and 2025 was 2 April 1982, with winds reaching 50.2 km/h.
What is the warmest month in Golden?
The warmest month in Golden is July (18.4 °C on average); the coldest is January (-4.9 °C).
How much does it rain in Golden?
Golden receives on average 759 mm of precipitation per year, spread over about 138 rainy days.
Is it sunny in Golden?
Golden gets on average 10.8 hours of sunshine per day, roughly 3,942 hours per year over 1940-2025.
What is the biggest single-day snowfall in Golden?
The heaviest 24-hour snowfall measured in Golden between 1940 and 2025 was 3 April 1986, with 41.2 cm.
Are there tropical nights in Golden?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Golden.
What was the most extreme apparent temperature in Golden?
In Golden, between 1940 and 2025, the highest apparent temperature reached 33.7 °C on 18 July 2022, and the lowest was -45.1 °C on 12 January 1963.
Compare Golden with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Golden