🇮🇪 Dublin vs 🇺🇸 Napa

Weather Comparison

Current Weather Right Now

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Dublin

scattered clouds

47°F

Scattered Clouds

Feels like 42°F

H 47°F / L 45°F

Humidity: 57%

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Napa

overcast clouds

72°F

Overcast Clouds

Feels like 71°F

H 76°F / L 69°F

Humidity: 49%

Climate Overview

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Dublin

Temperate oceanic — mild, rainy, windy year-round, no extremes

Best monthsMay, June, July, August
AvoidNovember, December, January, February
Annual rain28 inches (720 mm) — spread across all months

Dublin's climate is famously wet and mild. It never gets very hot or very cold. Rain is possible any day of the year. Summer brings long twilight evenings; winters are dark and stormy.

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Napa

Napa Valley's climate is world-famous for wine production — warm days, cool nights, and a reliable fog pattern. Marine air from San Francisco Bay pushes into the valley through the Carquinez Strait each evening, cooling vineyards and preventing grapes from overripening. The valley orientation from south to north creates distinct climate zones from warm Napa city to cooler Calistoga.

Seasonal Comparison

Season🇮🇪 Dublin🇺🇸 Napa
Spring

42–57°F

March–May

Summer

55–66°F

June–August

Fall

46–59°F

September–November

Winter

37–46°F

December–February

Dublin vs Napa: Frequently Asked Questions

Does Dublin or Napa have better weather?

Dublin and Napa have very different climates. Temperate oceanic — mild, rainy, windy year-round, no extremes Napa: Napa Valley's climate is world-famous for wine production — warm days, cool nights, and a reliable f. The best city depends on your preferred season and temperature range.

When is the best time to visit Dublin vs Napa?

Best time for Dublin: May, June, July, August. Best time for Napa: spring and fall.

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