Skip to main content
SunnyDays

ERA5 almanac comparison — 8 years of real data

Big Sur vs Telluride: weather in October

Big Sur is the clear winner for sun in October: 30% of days historically clear versus just 0% in Telluride — a 30-point gap across 8 years of ERA5 data. Telluride also sees measurably more rain than Big Sur this month (29% vs 8% of days). This isn't close.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific October. For the actual forecast right now, each destination links to its live page below.

Big Sur

CA

Clear days, October
30%
Sample size
n=248 days
Avg high
70°F
Early October (1st–15th)
32%
Late October (16th–end)
28%
Rain frequency
8% of days
See the live forecast →

Telluride

CO

Clear days, October
0%
Sample size
n=248 days
Avg high
53°F
Early October (1st–15th)
0%
Late October (16th–end)
0%
Rain frequency
29% of days

Frequently asked

Is Big Sur or Telluride warmer in October?

Big Sur runs warmer by day in October. Big Sur averages highs of 70°F (highs n=248 days); Telluride averages highs of 53°F (highs n=248 days) (ERA5 2018–2025). Historical averages, not a forecast.

Does it rain more in Big Sur or Telluride in October?

Telluride is measurably wetter than Big Sur. Days with measurable rain: Big Sur 8%, Telluride 29% (n=248 and n=248 days). ERA5 2018–2025; historical, not a forecast.

Which is sunnier in October, Big Sur or Telluride?

Big Sur is the clear winner for sun in October: 30% of days historically clear versus just 0% in Telluride — a 30-point gap across 8 years of ERA5 data. Telluride also sees measurably more rain than Big Sur this month (29% vs 8% of days). This isn't close.

Compare Big Sur vs Telluride in another month

All percentages are historical averages from the ERA5 reanalysis via Open-Meteo, 8 full years (2018–2025). “Clear” means avg high ≥ 72 °F, precipitation < 1 mm, and a non-precipitation weather code. This is history, not a forecast. The live forecast for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.