Napa Veður Spá
Napa weather: 9°C, clear. Á klukkustund forecast, 14-day outlook, UV, air quality and the best time til visit.
Napa weather in maí
One of the best months til visit Napa.
maí runs 2°C warmer than the annual average in Napa.
Compare með apríl.
Veður map for Napa
Animated model layers. Pick a layer til load it.
Animated layers by Vindury. For pin-level detail and nearby places, see the interactive map below.
Loftslag in Napa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Mánuður | Avg high | Avg low | Rigningfall | Rating |
|---|---|---|---|---|
| janúar | 15° | 5° | 98 mm | ★★★☆☆ |
| febrúar | 16° | 6° | 187 mm | ★★☆☆☆ |
| mars | 19° | 7° | 88 mm | ★★★★☆ |
| apríl | 20° | 8° | 55 mm | ★★★★☆ |
| maí | 24° | 10° | 16 mm | ★★★★★ |
| júní | 28° | 12° | 1 mm | ★★★★★ |
| júlí | 29° | 13° | 1 mm | ★★★★★ |
| ágúst | 30° | 13° | 2 mm | ★★★★★ |
| september | 28° | 13° | 8 mm | ★★★★★ |
| október | 26° | 11° | 17 mm | ★★★★★ |
| nóvember | 18° | 7° | 111 mm | ★★★☆☆ |
| desember | 15° | 6° | 178 mm | ★★☆☆☆ |
Loftslag type: Mediterranean. Heimild: Open-Meteo archive (ERA5).
Best time til visit Napa
Go in maí, júní, júlí, ágúst, september and október. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: janúar, febrúar and desember - expect the least comfortable mix of heat, cold or rain.
What til pack, what til skip
- sun.glasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 17°C, so mornings feel nothing like afternoons
- If your dates are flexible, avoid janúar, febrúar and desember - historically the least comfortable months here.
How Napa compares með 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 | 647 mm |
| Fisherman's Wharf | 56 km | 14°C | 1°C cooler | 647 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 |
Sjá spá fyrir Napa eftir tímabili
Napa weather - more answers
Explore Napa
Every topic we hold for this place, and the same topic for the places around it.
Veður 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 Norður-Ameríka.
What is the weather like in Napa núna?
It is currently 9°C (47°F) með clear. Raki is 77% and wind is 5 km/h.
When is the best time til visit Napa?
maí, júní, júlí, ágúst, september and október offer the most comfortable conditions in Napa, which has a Mediterranean climate. janúar, febrúar and desember 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 10:43 AM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airport til Napa?
The closest airports are San Francisco International Airport (SFO), 76 km away.
What are the top things til do in Napa?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Emerald Bay State Park, Pinnacles National Park and júlia Pfeiffer Burns State Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Spá and observations | Open-Meteo (ECMWF and national models). |
| Loftgæði and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Loftslag averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Veður 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 október 28, 2026 at 10:43 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
