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SunnyDays

ERA5 almanac — 8 years of real data

Puerto Vallarta in June

Puerto Vallarta in June: 43% of days see measurable rain, 86°F average high, 38% of days historically clear (n=240, ERA5 2018–2025).

Puerto Vallarta in June is historically a poor month for sun: only 38% of days clear across 8 years (n=240, avg high 86°F). 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 Puerto Vallarta 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 June

Clear-sky percentage for Puerto Vallarta in June, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period % Clear days Sample (n) Avg high
Early June
1st–15th		 46% n=120 86°F
Late June
16th–end		 29% n=120 86°F
Full month average 38% n=240 86°F

Sunshine & warmth in June

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 Puerto Vallarta in June. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period Warm & sunny (≥72°F, >6 h sun) Sample (n)
Early June
1st–15th		 93% n=120
Late June
16th–end		 86% n=120
Full month average 90% n=240
10.9 h median sunshine per day 78% of days exceed 8 h sunshine 43% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 38%. Sunshine-based “warm & sunny”: 90%. The 52-point gap is from brief afternoon convective storms that stamp the whole day as “rain” in the WMO code but leave the bulk of the sunshine untouched.

Bottom line

Puerto Vallarta is mostly overcast in June historically: only 38% of days are clear across 8 years (n=240), avg high 86°F. Most visitors this month will see more clouds than sun.

Every month in Puerto Vallarta

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

Historical clear-sky % for Puerto Vallarta, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 86% n=248 All destinations →
February 87% n=226 All destinations →
March 99% n=248 All destinations →
April 99% n=240 All destinations →
May 93% n=248 All destinations →
June ← this page 38% n=240 All destinations →
July 10% n=248 All destinations →
August 1% n=248 All destinations →
September 4% n=240 All destinations →
October 22% n=248 All destinations →
November 77% n=240 All destinations →
December 85% n=248 All destinations →

Frequently asked

Does it rain in Puerto Vallarta in June?

Sometimes. Puerto Vallarta sees measurable rain on 43% of days in June historically (n=240 days, ERA5 2018–2025) — not frequent enough to plan around, but not negligible either.

Is Puerto Vallarta good for sun in June?

It's mixed. Puerto Vallarta in June is clear on 38% of days historically (avg high 86°F, n=240 days, ERA5 2018–2025) — the outcome varies year to year.

How Puerto Vallarta compares in June

Head-to-head clear-sky comparisons against destinations travelers plausibly weigh against Puerto Vallarta 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.