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SunnyDays

ERA5 almanac — 8 years of real data

Palm Beach in April

Palm Beach in April: 44% of days see measurable rain, 81°F average high, 32% of days historically clear (n=240, ERA5 2018–2025).

Palm Beach in April is historically a poor month for sun: only 32% of days clear across 8 years (n=240, avg high 81°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 Palm Beach 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 April

Clear-sky percentage for Palm Beach in April, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period % Clear days Sample (n) Avg high
Early April
1st–15th		 30% n=120 81°F
Late April
16th–end		 34% n=120 81°F
Full month average 32% n=240 81°F

Sunshine & warmth in April

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 Palm Beach in April. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period Warm & sunny (≥72°F, >6 h sun) Sample (n)
Early April
1st–15th		 96% n=120
Late April
16th–end		 97% n=120
Full month average 96% n=240
12.2 h median sunshine per day 93% of days exceed 8 h sunshine 44% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 32%. Sunshine-based “warm & sunny”: 96%. The 64-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

Palm Beach is mostly overcast in April historically: only 32% of days are clear across 8 years (n=240), avg high 81°F. Most visitors this month will see more clouds than sun.

Every month in Palm Beach

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

Historical clear-sky % for Palm Beach, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 27% n=248 All destinations →
February 27% n=226 All destinations →
March 36% n=248 All destinations →
April ← this page 32% n=240 All destinations →
May 20% n=248 All destinations →
June 7% n=240 All destinations →
July 6% n=248 All destinations →
August 2% n=248 All destinations →
September 6% n=240 All destinations →
October 18% n=248 All destinations →
November 30% n=240 All destinations →
December 27% n=248 All destinations →

Frequently asked

Does it rain in Palm Beach in April?

Sometimes. Palm Beach sees measurable rain on 44% of days in April historically (n=240 days, ERA5 2018–2025) — not frequent enough to plan around, but not negligible either.

Is Palm Beach good for sun in April?

It's mixed. Palm Beach in April is clear on 32% of days historically (avg high 81°F, n=240 days, ERA5 2018–2025) — the outcome varies year to year.

How Palm Beach compares in April

Head-to-head clear-sky comparisons against destinations travelers plausibly weigh against Palm Beach 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.