Napa Weather in October: Temperature, Precipitation, Wind

Temperature
17°C
62.6°F
High temperature
25.3°C
77.6°F
Low temperature
9.9°C
49.8°F
Feels like
16.8°C
62.3°F
Rainy days
3 days
Rainfall level
0.28mm
0.01 inch
Cloud coverage
19.8%
Wind speed
19.7km/h
12.2mph
Daylight time
11:11:25
UV index
7.1
1
partly cloudy day
16.7°C
62.0°F
2
clear day
15.8°C
60.0°F
3
clear day
17.2°C
63.0°F
4
clear day
22.1°C
72.0°F
5
clear day
22.9°C
73.0°F
6
clear day
22.9°C
73.0°F
7
clear day
22.9°C
73.0°F
8
clear day
19.1°C
66.0°F
9
cloudy
17.2°C
63.0°F
10
partly cloudy day
17.8°C
64.0°F
11
clear day
16.7°C
62.0°F
12
clear day
16.5°C
62.0°F
13
clear day
16.1°C
61.0°F
14
partly cloudy day
18.8°C
66.0°F
15
partly cloudy day
18.9°C
66.0°F
16
clear day
17.3°C
63.0°F
17
partly cloudy day
18.5°C
65.0°F
18
clear day
19.2°C
67.0°F
19
clear day
21.7°C
71.0°F
20
clear day
16.7°C
62.0°F
21
clear day
15.8°C
60.0°F
22
rain
16.5°C
62.0°F
23
rain
17.2°C
63.0°F
24
rain
15.5°C
60.0°F
25
partly cloudy day
13.7°C
57.0°F
26
clear day
11.3°C
52.0°F
27
clear day
9.4°C
49.0°F
28
clear day
11.5°C
53.0°F
29
clear day
16.4°C
62.0°F
30
clear day
11.8°C
53.0°F
31
clear day
12.3°C
54.0°F

Napa, United States in October experiences a pleasant Mediterranean climate characterized by mild temperatures and low precipitation. The average temperature hovers around 17.0°C (62.6°F), with daytime highs reaching 25.3°C (77.6°F) and nighttime lows dipping to 9.9°C (49.8°F). These conditions create an ideal environment for the region’s renowned vineyards and outdoor activities.

October in Napa sees minimal rainfall, with an average precipitation of only 0.28 mm (0.01 inches). Rain occurs on approximately 3 days during the month, with a 9.7% probability of precipitation. The most common form of precipitation is rain, and the average precipitation coverage is a mere 2.7%.

Humidity levels in Napa during October average 64.1%, contributing to comfortable conditions for visitors and residents alike. Wind speeds average 19.7 km/h (12.2 mph), with gusts reaching up to 30.5 km/h (18.9 mph). The atmospheric pressure remains steady at 1013.9 hPa.

Clear skies dominate Napa’s October weather, with an average cloud cover of only 19.8%. Visibility extends to an impressive 15.2 km (9.4 miles), allowing for stunning views of the surrounding vineyards and rolling hills. The UV index averages 7.1, indicating high levels of solar radiation during midday hours.

Sunrise in Napa occurs around 7:19 AM, while sunset takes place at approximately 6:30 PM, providing ample daylight hours for outdoor activities and wine tasting at the numerous world-class wineries in the area. Popular destinations such as the Napa Valley Wine Train and the Oxbow Public Market benefit from the pleasant October weather.

The combination of mild temperatures, low precipitation, and clear skies makes October an excellent time to visit Napa’s famous attractions, including the Robert Mondavi Winery and the Castello di Amorosa. Outdoor enthusiasts enjoy hiking in nearby state parks and hot air balloon rides over the picturesque valley during this time of year.

What is the temperature in Napa in October?

Average air temperature in Napa is 17°C (62.6°F) in October. The outside temperature in Napa feels like 16.8°C (62.3°F) on a typical October day. The highest average temperature during sunny days is 25.3°C (77.6°F) and feels like 25°C (77°F). The lowest average temperature after dark is 9.9°C (49.8°F) which feels like 9.6°C (49.4°F).

How hot is Napa in October?

The hot temperature in October in Napa rises to 35.4°C (95.7°F) on sunny days with low cloud coverage and 64.1% humidity. During hottest days of October it feels like 33.8 °C (92.8°F). The average maximum temp in Napa is 25.3°C (92.8°F) during day time in October.

How cold is Napa in October?

The coldest temp in Napa in October drops to 1.8°C (35.2°F) during the cold nights. With 19.7km/h (12.2mph) winds and 64.1% humidity it feels like -0.3°C (31.5°F) on the coldest nights. The average minimum temperature is 9.9°C (49.8°F) during night time in October.

Does it rain in Napa in October?

Yes, it rains for 3 days in Napa, United States in October averaging 0.28 mm of precipitation. Napa has a 9.7% chance for rain throughout the entire month of October.

How much does it rain in Napa throughout October?

Napa has 0.28 mm (0.01 inch) of rain per day on average in October. It rains for an average of 3 days out of the entire month.

Is Napa windy in October?

The average speed of wind in Napa, United States during October is 19.7km/h (12.2mph) and average windgust is 30.5km/h (18.9mph). On some days in October wind can reach up to 29.8km/h (18.5mph).

What is the direction of the wind in Napa in October?

Most days of October the wind is blowing from Southwest direction in Napa.

What are the humidity levels in Napa in October?

The average humidity levels in Napa in October are 64.1%. Daily humidity levels in Napa range from 22.7% to 88.8% during October.

How many hours of daylight are in Napa in October?

Napa has 11 hours 11 minutes of daylight in October on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Napa in October is at 7:19:06 and the sunset is at 18:30:31.

What is the cloud coverage in Napa in October?

Clouds cover 19.8% of the sky on average throughout October in Napa. The cloud coverage ranges from 0% to 94.5% depending on the day of the month.

What is the UV level in October in Napa?

The average UV index in Napa is 7.1 in October. UV levels change throughout the month and range from 4 to 8.

What is the solar radiation in Napa in October?

The average solar radiation is 176.9 W/m2 (Watts per square meter) in Napa during October. However solar radiation levels change throughout the month and range from 74.7 W/m2 to 227.5 W/m2.

What is the solar energy during October in Napa?

The average solar energy during October in Napa is 15.3 MJ/m2 (megajoules per square metre). Solar energy ranges from 6.6 MJ/m2, to 19.7 MJ/m2 during October.

Are there severe weather risks in Napa in October?

Yes, there is a 10% risk for severe weather in Napa, United States in October.

What is the air pressure in Napa in October?

On average the air pressure in Napa in October is 1013.9 mb (millibars). Throughout the month the sea level pressure ranges from 1008.7 mb to 1020.6 mb.

What is the visibility in Napa in October?

The average daylight visibility in Napa in October is 15.2 km (9.5 miles). Depending on the precipitation the visibility ranges from 11.7 km (7.3 miles) to 16 km (9.9 miles) throughout October.

What is the dew point in Napa in October?

The average dew point in Napa during October is 8.8°C (47.9°F).

Where is the data for Napa climate in October coming from?

The climate data for Napa, California, United States in October is collected from the following weather stations.

  • VACAVILLE NUT TREE AIRPORT, CA US
  • NAPA CO AIRPORT, CA US
  • PETALUMA MUNICIPAL AIRPORT, CA US
  • Oakville CA US CIMIS
  • FW1058 American Canyon CA US
  • FW7520 Sonoma CA US
  • KAPC
  • KDVO
  • KVCB