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SunnyDays

ERA5 almanac — 8 years of real data

Nassau in November

Nassau in November: 38% of days see measurable rain, 81°F average high, 28% of days historically clear (n=240, ERA5 2018–2025).

Nassau in November is historically a poor month for sun: only 28% of days clear across 8 years (n=240, avg high 81°F). March is the clearest month for Nassau 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 Nassau 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 Nassau 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		 19% n=120 81°F
Late November
16th–end		 37% n=120 81°F
Full month average 28% n=240 81°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 Nassau 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		 93% n=120
Late November
16th–end		 98% n=120
Full month average 96% n=240
10.1 h median sunshine per day 88% of days exceed 8 h sunshine 38% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 28%. Sunshine-based “warm & sunny”: 96%. The 68-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

Nassau is mostly overcast in November historically: only 28% of days are clear across 8 years (n=240), avg high 81°F. If you want sun in Nassau, March is historically much better. Most visitors this month will see more clouds than sun.

→ See all destinations in March — historically the best month for sun in Nassau.

Every month in Nassau

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

Historical clear-sky % for Nassau, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 32% n=248 All destinations →
February 34% n=226 All destinations →
March 40% n=248 All destinations →
April 30% n=240 All destinations →
May 20% n=248 All destinations →
June 6% n=240 All destinations →
July 6% n=248 All destinations →
August 8% n=248 All destinations →
September 6% n=240 All destinations →
October 14% n=248 All destinations →
November ← this page 28% n=240 All destinations →
December 33% n=248 All destinations →

Frequently asked

Does it rain in Nassau in November?

Sometimes. Nassau sees measurable rain on 38% of days in November historically (n=240 days, ERA5 2018–2025) — not frequent enough to plan around, but not negligible either.

Is Nassau good for sun in November?

Not usually. Nassau is historically overcast in November: only 28% of days are clear (avg high 81°F, n=240 days, ERA5 2018–2025). March is historically far better for sun here.

How Nassau compares in November

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