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SunnyDays

ERA5 almanac — 8 years of real data

Amsterdam in July

Amsterdam in July: 46% of days see measurable rain, 71°F average high, 19% of days historically clear (n=248, ERA5 2018–2025).

Amsterdam in July is historically a poor month for sun: only 19% of days clear across 8 years (n=248, avg high 71°F). June is the clearest month for Amsterdam 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 Amsterdam 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 July

Clear-sky percentage for Amsterdam in July, split by half-month. “n” is the number of days sampled across 8 years (2018–2025).
Period % Clear days Sample (n) Avg high
Early July
1st–15th		 15% n=120 71°F
Late July
16th–end		 23% n=128 71°F
Full month average 19% n=248 71°F

Sunshine & warmth in July

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 Amsterdam in July. Primary: % of days ≥ 72°F with > 6 h of sunshine.
Period Warm & sunny (≥72°F, >6 h sun) Sample (n)
Early July
1st–15th		 26% n=120
Late July
16th–end		 45% n=128
Full month average 36% n=248
13.6 h median sunshine per day 85% of days exceed 8 h sunshine 46% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 19%. Sunshine-based “warm & sunny”: 36%. The 17-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

Amsterdam is a poor choice for sun in July: just 19% of days clear historically (n=248). June is the historically strongest month for sun here. The 8-year record is consistent — this is not a fluke bad stretch.

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

Every month in Amsterdam

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

Historical clear-sky % for Amsterdam, all months, ERA5 2018–2025.
Month % Clear Sample (n)
January 0% n=248 All destinations →
February 0% n=226 All destinations →
March 0% n=248 All destinations →
April 2% n=240 All destinations →
May 7% n=248 All destinations →
June 22% n=240 All destinations →
July ← this page 19% n=248 All destinations →
August 22% n=248 All destinations →
September 12% n=240 All destinations →
October 2% n=248 All destinations →
November 0% n=240 All destinations →
December 0% n=248 All destinations →

Frequently asked

Does it rain in Amsterdam in July?

Sometimes. Amsterdam sees measurable rain on 46% of days in July historically (n=248 days, ERA5 2018–2025) — not frequent enough to plan around, but not negligible either.

Is Amsterdam good for sun in July?

Not usually. Amsterdam is historically overcast in July: only 19% of days are clear (avg high 71°F, n=248 days, ERA5 2018–2025). June is historically far better for sun here.

How Amsterdam compares in July

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