Warmest month
- Aspen Snowmass
- July · 17.08 °C
- London
- July · 18.57 °C
Aspen Snowmass (USA) vs London (Great Britain): Temperature, Rainfall and Sunshine
Reference period: Aspen Snowmass 2013–2023 · London 2013–2023
London (Great Britain) has a higher monthly mean temperature than Aspen Snowmass (USA) in every month of the year.
Key monthly differences
Coolest month
- Aspen Snowmass
- December · -6.83 °C
- London
- January · 4.73 °C
Driest month
- Aspen Snowmass
- January, December · 0.01 mm/day
- London
- April · 1.33 mm/day
Sunniest month
- Aspen Snowmass
- June · 13.39 hours/day
- London
- July · 10.94 hours/day
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Climate comparison questions
When are the temperatures most similar and most different?
The smallest difference in monthly mean temperature is 1.49 °C (July); the largest is 13.34 °C (December).
How much do temperatures vary across the year?
The difference between the warmest and coolest monthly means is 23.91 °C in Aspen Snowmass (USA) and 13.84 °C in London (Great Britain). This describes seasonal variation, not the range between daytime highs and nighttime lows.
Which location has more rainfall?
Aspen Snowmass (USA) has a higher daily rainfall average in 0 months and London (Great Britain) in 12; 0 months are equal at the displayed precision. Rainfall amounts do not tell us how many days it rains.
Which location has more sunshine?
Aspen Snowmass (USA) has more average sunshine hours per day in 12 months and London (Great Britain) in 0; 0 months are equal at the displayed precision. Sunshine duration is different from daylight duration.
Climate data notes
Show data and calculation
Daily values are averaged separately for each calendar month over the saved reference period. Temperatures are daily means, not daytime highs. Rainfall is an average daily amount, not a monthly total; sunshine is average hours per day. These historical averages are not a weather forecast. Each location’s reference period is listed below and may differ.
Mean of the 12 monthly averages
Monthly climate data
Difference: London (Great Britain) minus Aspen Snowmass (USA)
Temperature °C
| Month | Aspen Snowmass | London | +/- |
|---|---|---|---|
| Jan | −6.70 | 4.73 | +11.42 |
| Feb | −5.27 | 5.44 | +10.71 |
| Mar | −1.69 | 6.84 | +8.53 |
| Apr | 1.62 | 9.18 | +7.56 |
| May | 5.87 | 12.67 | +6.80 |
| Jun | 13.27 | 16.27 | +3.00 |
| Jul | 17.08 | 18.57 | +1.49 |
| Aug | 15.96 | 17.74 | +1.78 |
| Sep | 12.62 | 15.48 | +2.87 |
| Oct | 4.41 | 12.31 | +7.90 |
| Nov | −2.87 | 8.09 | +10.96 |
| Dec | −6.83 | 6.52 | +13.34 |
| Annual mean | 3.96 | 11.15 | +7.20 |
Average sunshine (hours/day)
| Month | Aspen Snowmass | London | +/- |
|---|---|---|---|
| Jan | 7.06 | 3.74 | −3.32 |
| Feb | 7.94 | 5.11 | −2.83 |
| Mar | 9.58 | 6.38 | −3.20 |
| Apr | 10.96 | 9.22 | −1.73 |
| May | 12.16 | 10.11 | −2.05 |
| Jun | 13.39 | 10.51 | −2.87 |
| Jul | 12.82 | 10.94 | −1.88 |
| Aug | 11.99 | 9.68 | −2.31 |
| Sep | 10.93 | 8.02 | −2.91 |
| Oct | 9.31 | 5.86 | −3.45 |
| Nov | 7.90 | 4.12 | −3.79 |
| Dec | 6.51 | 3.14 | −3.37 |
| Annual mean | 10.05 | 7.24 | −2.81 |
Average daily rainfall (mm/day)
| Month | Aspen Snowmass | London | +/- |
|---|---|---|---|
| Jan | 0.01 | 1.92 | +1.91 |
| Feb | 0.04 | 1.71 | +1.66 |
| Mar | 0.10 | 1.61 | +1.51 |
| Apr | 0.26 | 1.33 | +1.07 |
| May | 0.85 | 1.85 | +1.00 |
| Jun | 0.80 | 1.93 | +1.13 |
| Jul | 1.24 | 1.79 | +0.55 |
| Aug | 1.17 | 2.02 | +0.85 |
| Sep | 1.15 | 1.61 | +0.47 |
| Oct | 0.53 | 2.51 | +1.98 |
| Nov | 0.07 | 2.27 | +2.20 |
| Dec | 0.01 | 2.10 | +2.09 |
| Annual mean | 0.52 | 1.89 | +1.37 |
Snow (mm)
| Month | Aspen Snowmass | London | +/- |
|---|---|---|---|
| Jan | 13.79 | 0.94 | −12.85 |
| Feb | 16.23 | 0.76 | −15.47 |
| Mar | 15.70 | 0.77 | −14.93 |
| Apr | 14.30 | 0.05 | −14.25 |
| May | 7.34 | 0.00 | −7.34 |
| Jun | 0.73 | 0.00 | −0.73 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.00 | 0.00 | 0.00 |
| Sep | 0.83 | 0.00 | −0.83 |
| Oct | 8.47 | 0.00 | −8.47 |
| Nov | 12.43 | 0.04 | −12.39 |
| Dec | 17.04 | 0.40 | −16.64 |
| Annual mean | 8.90 | 0.25 | −8.66 |
