Measurements:
°C
°F
Napa
50°F
E 2 mph
Feels like: 50°F
Precip: 0%
World Resorts USA Napa Weather July Weather in Napa

Napa Weather: July

Average Day Temperature: 90.3°F
Average Night Temperature: 59.8°F
Number of Sunny Days: 29 days
Sunshine Hours: 14.1 - 14.8 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.0 in

Air Temperature in July, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
17
34
51
68
85
102
119
136
Day Temperature   
Night Temperature

The highest day temperature in July 2024 was 103°F. The lowest night temperature was 54°F. The average values for day and night temperatures during July were 87.5°F и 59.9°F respectivly.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
94%
6%

Almost all days in July are sunny. There is very low probability of clouds or gloomy days.

Precipitation Totals in July, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.3
0.5
0.8
1.0
1.3
1.6
1.8
2.1

Precipitation total in July for Napa is 0.0 in. It makes july one of the least rainy months of the year.

Wind Speed in July, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.0
2.0
3.0
4.1
5.1
6.1
7.1

The average wind speed in July is 5.5 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
2.3
4.7
7.0
9.3
11.6
14.0
16.3

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Napa in July is 13.6 hours.

Best Time to Visit Napa
The most sunny months:
July 29 days
August 29 days
June 26 days
The most warm months:
August 91.3 °F
July 90.3 °F
September 89.2 °F
The most cold months:
January 54.9 °F
December 55.0 °F
February 58.8 °F
The most rainy months:
January 3 days
December 3 days
March 2 days
The most windy months:
June 6 mph
May 6 mph
July 5 mph

Napa on the Weather Map

USA Resorts:
NAME
Boston +42
Chicago +34
Hawaii +80
Honolulu +80
Houston +60
Las Vegas +58
Los Angeles +60
Miami +78
New York +48
Orlando +74
San Diego +58
San Francisco +48
Sarasota +72
Tampa +72
Washington +52
24 Hours Weather Forecast
Napa
Local time: 18:16
31 dec, tuesday
2100 46°F
S
1 mph
01 jan, wednesday
0000 44°F
SE
3 mph
0300 44°F
SE
2 mph
0600 44°F
SW
2 mph
0900 46°F
W
1 mph
1200 50°F
NE
1 mph
1500 52°F
W
0 mph
1800 50°F
S
2 mph