Napa Sää Ennuste
Napa weather: 8°C, pilvistä. Tunneittain forecast, 14-day outlook, UV, air quality and the best time ja visit.
Ilmasto in Napa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Kuukausi | Avg high | Avg low | Sadefall | Rating |
|---|---|---|---|---|
| tammikuu | 15° | 5° | 98 mm | ★★★☆☆ |
| helmikuu | 16° | 6° | 187 mm | ★★☆☆☆ |
| maaliskuu | 19° | 7° | 88 mm | ★★★★☆ |
| huhtikuu | 20° | 8° | 55 mm | ★★★★☆ |
| tou | 24° | 10° | 16 mm | ★★★★★ |
| kesäkuu | 28° | 12° | 1 mm | ★★★★★ |
| heinäkuu | 29° | 13° | 1 mm | ★★★★★ |
| elokuu | 30° | 13° | 2 mm | ★★★★★ |
| syyskuu | 28° | 13° | 8 mm | ★★★★★ |
| lokakuu | 26° | 11° | 17 mm | ★★★★★ |
| marraskuu | 18° | 7° | 111 mm | ★★★☆☆ |
| joulukuu | 15° | 6° | 178 mm | ★★☆☆☆ |
Ilmasto type: Mediterranean. Lähde: Open-Meteo archive (ERA5).
Paras aika vierailla Napa
Go in tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: tammikuu, helmikuu and joulukuu - expect the least comfortable mix of heat, cold or rain.
Recent extremes in Napa
Korkeaest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Napa compares ja 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 | 645 mm |
| Fisherman's Wharf | 56 km | 14°C | 1°C cooler | 645 mm |
| Golden Gate Bridge | 56 km | 14°C | 1°C cooler | 647 mm |
| ZIP Code 94133 | 56 km | 14°C | 1°C cooler | 647 mm |
| ZIP Code 94102 | 59 km | 14°C | 1°C cooler | 647 mm |
What ja pack, what ja skip
- Layers - the daily swing is 15°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid tammikuu, helmikuu and joulukuu - historically the least comfortable months here.
Katso kohteen Napa ennuste aikavälin mukaan
Napa weather - more answers
Explore Napa
Every topic we hold for this place, and the same topic for the places around it.
Sää 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 Pohjois-Amerikka.
What is the weather like in Napa nyt?
It is currently 8°C (46°F) ja pilvistä. Kosteus is 65% and wind is 5 km/h.
When is the best time ja visit Napa?
tou, kesäkuu, heinäkuu, elokuu, syyskuu and lokakuu offer the most comfortable conditions in Napa, which has a Mediterranean climate. tammikuu, helmikuu and joulukuu 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 1:35 PM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airport ja Napa?
The closest airports are San Francisco International Airport (SFO), 76 km away.
What are the top things ja do in Napa?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Emerald Bay State Park, Pinnacles National Park and heiia Pfeiffer Burns State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Ennuste and observations | Open-Meteo (ECMWF and national models). |
| Ilmanlaatu and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Ilmasto averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Sää 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 lokakuu 29, 2026 at 1:35 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
