Napa 天気 予報
Napa weather: 15°C, 霧. 時間別 forecast, 14-day outlook, UV, air quality and the best timeからvisit.
Napa weather in 4月
A good monthからvisit Napa.
4月 runs 2°C cooler than the annual average in Napa.
天気 map for Napa
Animated model layers. Pick a layerからload it.
Animated layers by 風y. For pin-level detail and nearby places, see the interactive map below.
気候 in Napa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 1月 | 15° | 5° | 98 mm | ★★★☆☆ |
| 2月 | 16° | 6° | 187 mm | ★★☆☆☆ |
| 3月 | 19° | 7° | 88 mm | ★★★★☆ |
| 4月 | 20° | 8° | 55 mm | ★★★★☆ |
| 5月 | 24° | 11° | 16 mm | ★★★★★ |
| 6月 | 28° | 12° | 1 mm | ★★★★★ |
| 7月 | 29° | 13° | 1 mm | ★★★★★ |
| 8月 | 31° | 14° | 2 mm | ★★★★★ |
| 9月 | 28° | 13° | 8 mm | ★★★★★ |
| 10月 | 25° | 12° | 23 mm | ★★★★★ |
| 11月 | 18° | 8° | 111 mm | ★★★☆☆ |
| 12月 | 15° | 6° | 178 mm | ★★☆☆☆ |
気候 type: Mediterranean. 出典： Open-Meteo archive (ERA5).
訪問に最適な時期 Napa
Go in 5月, 6月, 7月, 8月 and 9月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 1月, 2月 and 12月 - expect the least comfortable mix of heat, cold or rain.
Whatからpack, whatからskip
- Lightweight, light-coloured clothing and a refillable water bottle
- 日glasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid 1月, 2月 and 12月 - historically the least comfortable months here.
How Napa compares、nearby places
Annual averages, and the difference against Napa.
| Place | Distance | Avg temp | vs here | Annual rain |
|---|---|---|---|---|
| Alcatraz Island | 54 km | 14°C | 1°C cooler | 646 mm |
| Fisherman's Wharf | 56 km | 14°C | 1°C cooler | 646 mm |
| Golden Gate Bridge | 56 km | 14°C | 1°C cooler | 646 mm |
| ZIP Code 94133 | 56 km | 14°C | 1°C cooler | 646 mm |
| ZIP Code 94102 | 59 km | 14°C | 1°C cooler | 646 mm |
時間帯別のNapa 予報を見る
Napa weather - more answers
Explore Napa
Every topic we hold for this place, and the same topic for the places around it.
天気 for related places
Frequently asked questions
Where is Napa?
Napa is a city in California. Its coordinates are 38.2975, -122.2869. It lies in 北アメリカ.
What is the weather like in Napa現在?
It is currently 15°C (59°F)、霧. 湿度 is 93% and wind is 4 km/h.
When is the best timeからvisit Napa?
5月, 6月, 7月, 8月 and 9月 offer the most comfortable conditions in Napa, which has a Mediterranean climate. 1月, 2月 and 12月 are usually the hardest months for outdoor plans.
What time zone is Napa in?
Napa observes America/Los_Angeles (UTC-07:00). The local time is 2:11 PM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airportからNapa?
The closest airports are San Francisco International Airport (SFO), 76 km away.
What are the top thingsからdo in Napa?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Emerald Bay State Park, Lake Tahoe and Pinnacles National Park.
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| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| 予報 and observations | Open-Meteo (ECMWF and national models). |
| 大気質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 気候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天気 Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated 8月 25, 2026 at 2:11 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
