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SunnyDays

ERA5 almanac comparison — 8 years of real data

Houston vs Napa: weather in February

Essentially a tie in February: Houston is 6% clear historically, Napa is 10% clear (8-year ERA5 average) — within the noise. Avg high 67°F vs 61°F. Houston also sees measurably more rain than Napa this month (44% vs 24% of days). Pick based on flight time or price, not weather — the weather won't decide this one for you.

What you are reading: 8-year historical averages, not a forecast. Either destination can still surprise you this specific February. For this week’s actual forecast, each destination links to its live page below.

Houston

TX

Clear days, February
6%
Sample size
n=226 days
Avg high
67°F
Early February (1st–15th)
5%
Late February (16th–end)
8%
Rain frequency
44% of days

Napa

CA

Clear days, February
10%
Sample size
n=226 days
Avg high
61°F
Early February (1st–15th)
12%
Late February (16th–end)
7%
Rain frequency
24% of days
See this week’s live forecast →

Compare Houston vs Napa in another month

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.