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SunnyDays

ERA5 almanac — 8 years of real data

Leavenworth in July

Leavenworth in July: 3% of days see measurable rain, 89°F average high, 86% of days historically clear (n=248, ERA5 2018–2025).

Historically one of the better months to visit Leavenworth for sun: 86% of days are clear on average (n=248, avg high 89°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 Leavenworth 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 Leavenworth 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		 78% n=120 89°F
Late July
16th–end		 94% n=128 89°F
Full month average 86% n=248 89°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 Leavenworth 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		 98% n=120
Late July
16th–end		 100% n=128
Full month average 99% n=248
15.0 h median sunshine per day 99% of days exceed 8 h sunshine 3% of days see ≥ 1 mm rain — rain is not hidden
Comparison (old vs new): WMO-code “clear” bar: 86%. Sunshine-based “warm & sunny”: 99%. The 13-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

Leavenworth is historically one of the best destinations for sun in July: 86% of days meet the clear bar (avg high 89°F, n=248 days across 8 years). Pack for outdoor activity — this month consistently delivers.

Every month in Leavenworth

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

Historical clear-sky % for Leavenworth, 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 4% n=240 All destinations →
May 31% n=248 All destinations →
June 55% n=240 All destinations →
July ← this page 86% n=248 All destinations →
August 83% n=248 All destinations →
September 57% n=240 All destinations →
October 16% n=248 All destinations →
November 0% n=240 All destinations →
December 0% n=248 All destinations →

Frequently asked

Does it rain in Leavenworth in July?

Rarely. Only 3% of days in Leavenworth see measurable rain in July, based on 8 years of ERA5 historical data (n=248 days, 2018–2025). This is a historical average, not a forecast.

Is Leavenworth good for sun in July?

Yes. Leavenworth is historically strong for sun in July: 86% of days are clear on average (avg high 89°F, n=248 days, ERA5 2018–2025).

How Leavenworth compares in July

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