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SunnyDays

ERA5 almanac — 8 years of real data

Scottsdale in November

Scottsdale in November is a mixed month for sun: 65% of days historically clear (n=240, avg high 77°F). The outcome varies year to year — check the early/late split below. Historical average, not a forecast.

What you are reading: 8-year historical averages from the ERA5 reanalysis, not a forecast. A month that is historically 90% clear can still be overcast on your specific trip. For this week’s actual forecast, see the live Scottsdale page. Both can be true at once: “historically strong in this month; this particular week is not.” We label which is which.

Early vs. Late November

Clear-sky percentage for Scottsdale in November, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period % Clear days Sample (n) Avg high
Early November
1st–15th		 78% n=120 77°F
Late November
16th–end		 52% n=120 77°F
Full month average 65% n=240 77°F

Sunshine & warmth in November

A second measure using actual sunshine hours (ERA5 sunshine_duration), not the daily weather code. A Lowcountry day with 12 hours of sun and a 25-minute afternoon storm is counted below as a warm, sunny day — because it was. How we define this.

Sunshine-based metrics for Scottsdale in November. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period Warm & sunny (≥72°F, >6 h sun) Sample (n)
Early November
1st–15th		 81% n=120
Late November
16th–end		 54% n=120
Full month average 68% n=240
9.8 h median sunshine per day 88% of days exceed 8 h sunshine 7% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 65%. Sunshine-based “warm & sunny”: 68%.

Bottom line

Scottsdale clears solidly in November: 65% of days historically (n=240), avg high 77°F. The two halves differ materially (78% early, 52% late) — favour the early half of the month. Most trips here in November will find more sun than cloud.

Every month in Scottsdale

Compare across all months with data. Numbers are historical clear-sky %.

Historical clear-sky % for Scottsdale, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 18% n=248 All destinations →
February 42% n=226 All destinations →
March 57% n=248 All destinations →
April 92% n=240 All destinations →
May 93% n=248 All destinations →
June 95% n=240 All destinations →
July 76% n=248 All destinations →
August 75% n=248 All destinations →
September 82% n=240 All destinations →
October 83% n=248 All destinations →
November ← this page 65% n=240 All destinations →
December 25% n=248 All destinations →

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 7-day outlook for any destination is on its own page and may differ from the long-run average. Data from Open-Meteo.