Aspen weather by month

Check out Aspen weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.

Temperature in Aspen (°C)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Max temperature (daytime)
-3°C maximum daytime temperature in January in Aspen-3
-1°C maximum daytime temperature in February in Aspen-1
1°C maximum daytime temperature in March in Aspen1
6°C maximum daytime temperature in April in Aspen6
13°C maximum daytime temperature in May in Aspen13
19°C maximum daytime temperature in June in Aspen19
22°C maximum daytime temperature in July in Aspen22
21°C maximum daytime temperature in August in Aspen21
17°C maximum daytime temperature in September in Aspen17
12°C maximum daytime temperature in October in Aspen12
3°C maximum daytime temperature in November in Aspen3
-2°C maximum daytime temperature in December in Aspen-2
Min temperature (night-time)
-20°C minimum night-time temperature in January in Aspen-20
-19°C minimum night-time temperature in February in Aspen-19
-14°C minimum night-time temperature in March in Aspen-14
-10°C minimum night-time temperature in April in Aspen-10
-5°C minimum night-time temperature in May in Aspen-5
-2°C minimum night-time temperature in June in Aspen-2
2°C minimum night-time temperature in July in Aspen2
1°C minimum night-time temperature in August in Aspen1
-3°C minimum night-time temperature in September in Aspen-3
-8°C minimum night-time temperature in October in Aspen-8
-13°C minimum night-time temperature in November in Aspen-13
-18°C minimum night-time temperature in December in Aspen-18
Heat & Humidity
No heat & humidity in January in Aspen0
No heat & humidity in February in Aspen0
No heat & humidity in March in Aspen0
No heat & humidity in April in Aspen0
No heat & humidity in May in Aspen0
No heat & humidity in June in Aspen0
No heat & humidity in July in Aspen0
No heat & humidity in August in Aspen0
No heat & humidity in September in Aspen0
No heat & humidity in October in Aspen0
No heat & humidity in November in Aspen0
No heat & humidity in December in Aspen0

Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme

Sunshine & Daylight in Aspen

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daily hours of sunshine
Daily hours of daylight
10 hours of daylight per day in January in Aspen10
11 hours of daylight per day in February in Aspen11
12 hours of daylight per day in March in Aspen12
13 hours of daylight per day in April in Aspen13
14 hours of daylight per day in May in Aspen14
15 hours of daylight per day in June in Aspen15
15 hours of daylight per day in July in Aspen15
14 hours of daylight per day in August in Aspen14
12 hours of daylight per day in September in Aspen12
11 hours of daylight per day in October in Aspen11
10 hours of daylight per day in November in Aspen10
9 hours of daylight per day in December in Aspen9
UV Index (Maximum)
UV (maximum) index 2 (Low) in January in Aspen2
UV (maximum) index 4 (Moderate) in February in Aspen4
UV (maximum) index 6 (High) in March in Aspen6
UV (maximum) index 8 (Very High) in April in Aspen8
UV (maximum) index 10 (Very High) in May in Aspen10
UV (maximum) index 11 (Extreme) in June in Aspen11
UV (maximum) index 11 (Extreme) in July in Aspen11
UV (maximum) index 10 (Very High) in August in Aspen10
UV (maximum) index 8 (Very High) in September in Aspen8
UV (maximum) index 5 (Moderate) in October in Aspen5
UV (maximum) index 3 (Moderate) in November in Aspen3
UV (maximum) index 2 (Low) in December in Aspen2

Rainfall in Aspen

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Number of days with some rain
7 days with some rainfall in January in Aspen7
7 days with some rainfall in February in Aspen7
10 days with some rainfall in March in Aspen10
8 days with some rainfall in April in Aspen8
9 days with some rainfall in May in Aspen9
8 days with some rainfall in June in Aspen8
11 days with some rainfall in July in Aspen11
11 days with some rainfall in August in Aspen11
9 days with some rainfall in September in Aspen9
7 days with some rainfall in October in Aspen7
7 days with some rainfall in November in Aspen7
7 days with some rainfall in December in Aspen7
Average monthly rainfall (mm)
60 mm monthly rainfall in January in Aspen60
50 mm monthly rainfall in February in Aspen50
55 mm monthly rainfall in March in Aspen55
43 mm monthly rainfall in April in Aspen43
38 mm monthly rainfall in May in Aspen38
32 mm monthly rainfall in June in Aspen32
52 mm monthly rainfall in July in Aspen52
53 mm monthly rainfall in August in Aspen53
44 mm monthly rainfall in September in Aspen44
34 mm monthly rainfall in October in Aspen34
44 mm monthly rainfall in November in Aspen44
58 mm monthly rainfall in December in Aspen58

More about Aspen

Aspen by month

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

Recommended for Colorado

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The climate guide for Colorado (Aspen) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

What's the climate like in Aspen?

Aspen has a cold climate with cool summers and some rainfall in all months.

Metric (°C / mm)  |  Imperial (°F / inches)

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More about the USA

Compare Aspen with the UK

Below the Aspen chart shows average maximum daytime temperature for Aspen, Colorado, USA and the UK (London).

Maximum daytime temperature (°C)

Aspen, Colorado, USA
UK (London)
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Metric (°C / mm)  |  Imperial (°F / inches)

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