Highlands Ranch climate — normals and trends
Highlands Ranch (United States) has a warm-summer humid continental climate (Dfb) under the Köppen-Geiger classification. Its mean annual temperature is 7.2 °C and it receives 589 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 (20.2 °C on average) and the coldest is January (-4.8 °C). Rainfall peaks in May.
Highlands Ranch averages 175 frost days, 21 hot days (≥ 30 °C) and 101 rainy days per year.
Highlands Ranch 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 185 to 165 per year over the period.
The hottest day of the period reached 37.1 °C (on 25 June 2012) and the coldest -41.8 °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
Highlands RanchColorado
- coords
- 39.55°, -104.97°
- period
- 1940–2025 · 86 yrs
Mean daily temperature
7.2°C
Average daily high
14.9°C
Average daily low
0.3°C
Annual rainfall
589mm
Sunshine / day
10.7h
Mean relative humidity
58%
Average peak wind
13.1km/h
Seasonal range
25.0°C
Frost days (< 0 °C)
175 d/yr
Hot days (≥ 30 °C)
21 d/yr
Rainy days (≥ 1 mm)
101 d/yr
Annual snowfall
162.3 cm
Average feels-like high
12.4 °C
Average feels-like low
-3.3 °C
Average peak gust
32.6 km/h
Tropical nights (≥ 20 °C)
0 d/yr
Solar radiation
18.6 MJ/m²
Has the climate changed?
One stripe per year, 1940 to 2025
+2.4 °C
since 1940
+0.3 °C per decade · r² = 0.43 · 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
37.1 °C
25 June 2012
Coldest day
-41.8 °C
12 January 1963
Wettest day
71 mm
3 April 1986
Windiest day
42.1 km/h
23 March 1957
Strongest gust
93.6 km/h
2 April 1982
Hottest feels-like
36.0 °C
23 June 1954
Coldest feels-like
-46.9 °C
12 January 1963
Snowiest day
48.4 cm
3 April 1986
Sunniest day
14.1 h
24 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 | 0.8 °C | -2.6 °C | 32 mm | +8 mm |
| Feb | 5.7 °C | +0.8 °C | 27 mm | -0 mm |
| Mar | 12.8 °C | +4.6 °C | 39 mm | -16 mm |
| Apr | 15.1 °C | +2.4 °C | 39 mm | -39 mm |
| May | 19.2 °C | +1.0 °C | 84 mm | -12 mm |
| Jun | 25.7 °C | +1.0 °C | 105 mm | +41 mm |
| Jul | 29.5 °C | +1.6 °C | 46 mm | -9 mm |
| Aug | 28.2 °C | +1.3 °C | 76 mm | +25 mm |
| Sep | 23.3 °C | +0.3 °C | 56 mm | +13 mm |
| Oct | 18.8 °C | +2.3 °C | 30 mm | -11 mm |
| Nov | 14.1 °C | +5.5 °C | 8 mm | -25 mm |
| Dec | 11.6 °C | +7.3 °C | 19 mm | -5 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 Highlands Ranch?
Highlands Ranch has a warm-summer humid continental climate (Köppen Dfb). Over 1940-2025, the average annual temperature is 7.2 °C and it receives 589 mm of precipitation per year.
What is the hottest day ever recorded in Highlands Ranch?
The hottest day measured in Highlands Ranch between 1940 and 2025 was 25 June 2012, reaching 37.1 °C.
What is the coldest day in Highlands Ranch?
The coldest day measured in Highlands Ranch between 1940 and 2025 was 12 January 1963, at -41.8 °C.
Does it snow in Highlands Ranch?
Yes. Highlands Ranch gets on average 162.3 cm of snow per year and has around 175 frost days.
Has the climate of Highlands Ranch warmed?
Yes: Highlands Ranch warmed by +2.4 °C between 1940 and 2025, a statistically significant trend.
What is the wettest day in Highlands Ranch?
The wettest day measured in Highlands Ranch between 1940 and 2025 was 3 April 1986, with 71 mm of rain in 24 hours.
What was the windiest day in Highlands Ranch?
The windiest day measured in Highlands Ranch between 1940 and 2025 was 23 March 1957, with winds reaching 42.1 km/h.
What is the warmest month in Highlands Ranch?
The warmest month in Highlands Ranch is July (20.2 °C on average); the coldest is January (-4.8 °C).
How much does it rain in Highlands Ranch?
Highlands Ranch receives on average 589 mm of precipitation per year, spread over about 101 rainy days.
Is it sunny in Highlands Ranch?
Highlands Ranch gets on average 10.7 hours of sunshine per day, roughly 3,905 hours per year over 1940-2025.
What is the biggest single-day snowfall in Highlands Ranch?
The heaviest 24-hour snowfall measured in Highlands Ranch between 1940 and 2025 was 3 April 1986, with 48.4 cm.
Are there tropical nights in Highlands Ranch?
Almost never: tropical nights (temperature staying above 20 °C) are virtually non-existent in Highlands Ranch.
What was the most extreme apparent temperature in Highlands Ranch?
In Highlands Ranch, between 1940 and 2025, the highest apparent temperature reached 36.0 °C on 23 June 1954, and the lowest was -46.9 °C on 12 January 1963.
Compare Highlands Ranch with another city
Pick a second city: its normals will be set against these, indicator by indicator.
Nearby cities
The climate around Highlands Ranch