Napa 氣候 and Average 天氣
氣候 of Napa: average temperatures, rainfall and seasons month by month.
氣候 in Napa month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| 月份 | Avg high | Avg low | 雨fall | Rating |
|---|---|---|---|---|
| 一月 | 15° | 5° | 98 mm | ★★★☆☆ |
| 二月 | 16° | 6° | 187 mm | ★★☆☆☆ |
| 三月 | 19° | 7° | 88 mm | ★★★★☆ |
| 四月 | 20° | 8° | 55 mm | ★★★★☆ |
| 五月 | 24° | 11° | 16 mm | ★★★★★ |
| 六月 | 28° | 12° | 1 mm | ★★★★★ |
| 七月 | 29° | 13° | 1 mm | ★★★★★ |
| 八月 | 31° | 14° | 2 mm | ★★★★★ |
| 九月 | 28° | 13° | 8 mm | ★★★★★ |
| 十月 | 25° | 12° | 23 mm | ★★★★★ |
| 十一月 | 18° | 8° | 111 mm | ★★★☆☆ |
| 十二月 | 15° | 6° | 178 mm | ★★☆☆☆ |
氣候 type: Mediterranean. 來源： Open-Meteo archive (ERA5).
Recent extremes in Napa
高est and lowest readings observed in the last 3 years of reanalysis data - not all-time records.
How Napa compares，天氣為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 |
最佳旅遊時間 Napa
Go in 五月, 六月, 七月, 八月 and 九月. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: 一月, 二月 and 十二月 - expect the least comfortable mix of heat, cold or rain.
What this means for Napa
Today is cooler than average for 八月. The forecast high of 26°C is 4.2°C below the 31°C typical for this month.
雨 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 六月至八月.
The gap between the warmest and coldest month averages 11°C.
What至pack, what至skip
- Lightweight, light-coloured clothing and a refillable water bottle
- 週日glasses, a brimmed hat and SPF 30+
- If your dates are flexible, avoid 一月, 二月 and 十二月 - historically the least comfortable months here.
摘要
Napa is a city in California. Napa is known for Wine country tasting rooms. 人口約為80.000.
目前氣溫為14°C (58°F) in Napa，天氣為陰天. 體感溫度為14°C. 今天氣溫介於13°C至26°C. 降雨機率為2%. Sightseeing conditions score 9.6/10 - 極佳 — 現在適合出發.
最佳旅遊時間是Napa is 五月, 六月, 七月, 八月 and 九月. 氣候為Mediterranean. 一月, 二月 and 十二月 tend至be the least comfortable months. 八月 is the warmest month，天氣為average highs near 31°C, while 一月 is the coldest，天氣為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.
簡單來說。 Today is cooler than average for 八月. The forecast high of 26°C is 4.2°C below the 31°C typical for this month. The best window至be outside is roughly 5 PM至8 PM, when temperature, rain chance and wind line up best. hiking is the strongest bet in Napa today at 9.7/10. 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
| 類型 | City |
|---|---|
| State | California |
| 國家 | 美國 |
| 洲 | 北美洲 |
| 座標 | 38°17′51″N 122°17′12.8″W (38.2975, -122.2869) |
| 人口 | 80.000 |
| Known for | Wine country tasting rooms |
| 當地時間 | 4:53 PM (UTC-07:00) |
| Best months | 五月, 六月, 七月, 八月 and 九月 |
| 氣候 | Mediterranean |
天氣 map for Napa
Animated model layers. Pick a layer至load it.
Animated layers by 風y. 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.
氣候 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 北美洲.
What is the weather like in Napa現在?
It is currently 14°C (58°F)，天氣為陰天. 濕度 is 96% and wind is 7 km/h.
When is the best time至visit Napa?
五月, 六月, 七月, 八月 and 九月 offer the most comfortable conditions in Napa, which has a Mediterranean climate. 一月, 二月 and 十二月 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 4:53 PM.
How many people live in Napa?
Napa has a population of approximately 80.000.
What is the nearest airport至Napa?
The closest airports are San Francisco International Airport (SFO), 76 km away.
What are the top things至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. |
|---|---|
| 預報 and observations | Open-Meteo (ECMWF and national models). |
| 空氣品質 and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| 氣候 averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National 天氣 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 八月 21, 2026 at 4:53 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.
