ERA5 almanac comparison — 8 years of real data
Phoenix vs Wine Country Sonoma: weather in February
Phoenix is the clear winner for sun in February: 41% of days historically clear versus just 8% in Wine Country Sonoma — a 33-point gap across 8 years of ERA5 data. Wine Country Sonoma also sees measurably more rain than Phoenix this month (26% vs 11% of days). This isn't close.
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.
Phoenix
AZ
- Clear days, February
- 41%
- Sample size
- n=226 days
- Avg high
- 70°F
- Early February (1st–15th)
- 42%
- Late February (16th–end)
- 40%
- Rain frequency
- 11% of days
Wine Country Sonoma
CA
- Clear days, February
- 8%
- Sample size
- n=226 days
- Avg high
- 60°F
- Early February (1st–15th)
- 11%
- Late February (16th–end)
- 4%
- Rain frequency
- 26% of days
Compare Phoenix vs Wine Country Sonoma 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.