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SunnyDays

ERA5 almanac — 8 years of real data

Los Cabos in March

Los Cabos in March: 0% of days see measurable rain, 82°F average high, 98% of days historically clear (n=248, ERA5 2018–2025).

Historically one of the better months to visit Los Cabos for sun: 98% of days are clear on average (n=248, avg high 82°F). Every percentage here is a historical average from 8 years of ERA5 data — 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 Los Cabos 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 Los Cabos 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		 98% n=120 82°F
Late March
16th–end		 98% n=128 82°F
Full month average 98% n=248 82°F

Sunshine & warmth in March

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 Los Cabos in March. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period Warm & sunny (≥72°F, >6 h sun) Sample (n)
Early March
1st–15th		 98% n=120
Late March
16th–end		 98% n=128
Full month average 98% n=248
11.4 h median sunshine per day 97% of days exceed 8 h sunshine 0% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 98%. Sunshine-based “warm & sunny”: 98%. The two measures are nearly identical here — no convective-storm bias for this climate and month.

Bottom line

Los Cabos is historically one of the best destinations for sun in March: 98% of days meet the clear bar (avg high 82°F, n=248 days across 8 years). Pack for outdoor activity — this month consistently delivers.

Every month in Los Cabos

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

Historical clear-sky % for Los Cabos, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 91% n=248 All destinations →
February 88% n=226 All destinations →
March ← this page 98% n=248 All destinations →
April 99% n=240 All destinations →
May 98% n=248 All destinations →
June 92% n=240 All destinations →
July 85% n=248 All destinations →
August 55% n=248 All destinations →
September 51% n=240 All destinations →
October 80% n=248 All destinations →
November 88% n=240 All destinations →
December 89% n=248 All destinations →

Frequently asked

Does it rain in Los Cabos in March?

Rarely. Only 0% of days in Los Cabos see measurable rain in March, based on 8 years of ERA5 historical data (n=248 days, 2018–2025). This is a historical average, not a forecast.

Is Los Cabos good for sun in March?

Yes. Los Cabos is historically strong for sun in March: 98% of days are clear on average (avg high 82°F, n=248 days, ERA5 2018–2025).

How Los Cabos compares in March

Head-to-head clear-sky comparisons against destinations travelers plausibly weigh against Los Cabos this month — same passport tier, similar flight distance, both sides from the same 8-year ERA5 record.

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.