Skip to main content
SunnyDays

ERA5 almanac — 8 years of real data

Santa Fe in March

Santa Fe in March is historically a poor month for sun: only 0% of days clear across 8 years (n=248, avg high 52°F). June is the clearest month for Santa Fe historically. 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 Santa Fe 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 March

Clear-sky percentage for Santa Fe in March, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period % Clear days Sample (n) Avg high
Early March
1st–15th		 0% n=120 52°F
Late March
16th–end		 0% n=128 52°F
Full month average 0% n=248 52°F

Bottom line

Santa Fe is historically almost never clear in March: only 0% of days meet the clear bar across 8 years (n=248). Come back in June if you want clear skies here. Plan entirely around indoor or overcast-friendly activities.

→ See all destinations in June — historically the best month for sun in Santa Fe.

Every month in Santa Fe

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

Historical clear-sky % for Santa Fe, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 0% n=248 All destinations →
February 0% n=226 All destinations →
March ← this page 0% n=248 All destinations →
April 8% n=240 All destinations →
May 41% n=248 All destinations →
June 58% n=240 All destinations →
July 41% n=248 All destinations →
August 47% n=248 All destinations →
September 50% n=240 All destinations →
October 14% n=248 All destinations →
November 0% n=240 All destinations →
December 0% 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.