Napa Vejr Prognose
Napa weather: 16°C, klart. Hver time forecast, 14-day outlook, UV, air quality and the best time og visit.
Napa weather in maj
One of the best months og visit Napa.
maj runs 2°C warmer than the annual average in Napa.
Compare med april.
Vejr map for Napa
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Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Klima in Napa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Måned | Avg high | Avg low | Regnfall | Rating |
|---|---|---|---|---|
| januar | 15° | 5° | 98 mm | ★★★☆☆ |
| februar | 16° | 6° | 187 mm | ★★☆☆☆ |
| marts | 19° | 7° | 88 mm | ★★★★☆ |
| april | 20° | 8° | 55 mm | ★★★★☆ |
| maj | 24° | 11° | 16 mm | ★★★★★ |
| juni | 28° | 12° | 1 mm | ★★★★★ |
| juli | 29° | 13° | 1 mm | ★★★★★ |
| august | 30° | 14° | 2 mm | ★★★★★ |
| september | 28° | 13° | 6 mm | ★★★★★ |
| oktober | 25° | 12° | 23 mm | ★★★★★ |
| november | 18° | 8° | 111 mm | ★★★☆☆ |
| december | 15° | 6° | 178 mm | ★★☆☆☆ |
Klima type: Mediterranean. Kilde: Open-Meteo archive (ERA5).
Bedste rejsetid Napa
Go in maj, juni, juli, august and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and december - expect the least comfortable mix of heat, cold or rain.
What og pack, what og skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sønglasses, a brimmed hat and SPF 30+
- Layers - the daily swing is 27°C, so mornings feel nothing like afternoons
- Avoid long hikes after mid-morning; start at dawn or leave it for a cooler day.
- If your dates are flexible, avoid januar, februar and december - historically the least comfortable months here.
How Napa compares med 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 |
Se prognosen for Napa efter tidsinterval
Napa weather - more answers
Explore Napa
Every topic we hold for this place, and the same topic for the places around it.
Vejr 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 Nordamerika.
What is the weather like in Napa lige nu?
It is currently 16°C (61°F) med klart. Luftfugtighed is 75% and wind is 5 km/h.
When is the best time og visit Napa?
maj, juni, juli, august and september offer the most comfortable conditions in Napa, which has a Mediterranean climate. januar, februar and december 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 3:43 AM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airport og Napa?
The closest airports are San Francisco International Airport (SFO), 76 km away.
What are the top things og do in Napa?
Popular options include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve, Emerald Bay State Park, Pinnacles National Park and julia Pfeiffer Burns State Park.
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| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Prognose and observations | Open-Meteo (ECMWF and national models). |
| Luftkvalitet and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Klima averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Vejr 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 oktober 5, 2026 at 3:43 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
