Napa Klima and Average Vær
Klima of Napa: average temperatures, rainfall and seasons month by month.
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 | ★★☆☆☆ |
| mars | 19° | 7° | 88 mm | ★★★★☆ |
| april | 20° | 8° | 55 mm | ★★★★☆ |
| mai | 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 | ★★★☆☆ |
| desember | 15° | 6° | 178 mm | ★★☆☆☆ |
Klima type: Mediterranean. Kilde: Open-Meteo archive (ERA5).
Recent extremes in Napa
Høyest and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
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 |
Beste tid å besøke Napa
Go in mai, juni, juli, august and september. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: januar, februar and desember - expect the least comfortable mix of heat, cold or rain.
What this means for Napa
Today is slightly warmer than average for september. The forecast high of 31°C is 3.3°C above the 28°C typical for this month.
Regn is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in juni til august.
The gap between the warmest and coldest month averages 11°C.
What til pack, what til skip
- Lightweight, light-coloured clothing and a refillable water bottle
- sønglasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid januar, februar and desember - historically the least comfortable months here.
Sammendrag
Napa is a city in California. Napa is known for Wine country tasting rooms. Befolkningen er rundt 80.000.
Akkurat nå er det 31°C (87°F) in Napa med klar himmel. Det føles som 30°C. I dag varierer temperaturen mellom 12°C til 31°C. Sannsynligheten for nedbør er 0%. Sightseeing conditions score 8.8/10 - utmerket — dra nå.
Beste tidspunkt å besøke Napa is mai, juni, juli, august and september. Klimaet er Mediterranean. januar, februar and desember tend til be the least comfortable months. august is the warmest month med average highs near 30°C, while januar is the coldest med lows near 5°C.
The closest major airport is San Francisco International Airport (SFO), about 76 km away. Nearby highlights include Alcatraz Island, Golden Gate Bridge, Point Lobos State Natural Reserve and Emerald Bay State Park.
Kort sagt. Today is slightly warmer than average for september. The forecast high of 31°C is 3.3°C above the 28°C typical for this month. The best window til be outside is roughly 10 AM til 1 PM, when temperature, rain chance and wind line up best. beach day is the strongest bet in Napa today at 10/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Quick facts about Napa
| Type | City |
|---|---|
| State | California |
| Land | USA |
| Kontinent | Nord-Amerika |
| Koordinater | 38°17′51″N 122°17′12.8″W (38.2975, -122.2869) |
| Befolkning | 80.000 |
| Known for | Wine country tasting rooms |
| Lokal tid | 5:05 PM (UTC-07:00) |
| Best months | mai, juni, juli, august and september |
| Klima | Mediterranean |
Vær map for Napa
Animated model layers. Pick a layer til load it.
Animated layers by Vindy. For pin-level detail and nearby places, see the interactive map below.
Explore Napa
Every topic we hold for this place, and the same topic for the places around it.
Klima 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 Nord-Amerika.
What is the weather like in Napa akkurat nå?
It is currently 31°C (87°F) med klar himmel. Luftfuktighet is 32% and wind is 12 km/h.
When is the best time til visit Napa?
mai, juni, juli, august and september offer the most comfortable conditions in Napa, which has a Mediterranean climate. januar, februar 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 5:05 PM.
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 julia Pfeiffer Burns State Park.
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| Place data | USPOTUS Atlas dataset (cities-us) - coordinates, hierarchy and facts. |
|---|---|
| Værmelding 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 Vær 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 september 30, 2026 at 5:05 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
