Average data for 10 years
1 July
Monday
+24°
+15°
2 July
Tuesday
+25°
+15°
3 July
Wednesday
+25°
+15°
4 July
Thursday
+23°
+14°
5 July
Friday
+24°
+14°
6 July
Saturday
+25°
+15°
7 July
Sunday
+25°
+16°
8 July
Monday
+24°
+15°
9 July
Tuesday
+24°
+15°
10 July
Wednesday
+24°
+15°
11 July
Thursday
+24°
+14°
12 July
Friday
+24°
+16°
13 July
Saturday
+25°
+15°
14 July
Sunday
+25°
+15°
15 July
Monday
+24°
+15°
16 July
Tuesday
+24°
+15°
17 July
Wednesday
+23°
+15°
18 July
Thursday
+25°
+16°
19 July
Friday
+24°
+14°
20 July
Saturday
+23°
+14°
21 July
Sunday
+24°
+15°
22 July
Monday
+24°
+15°
23 July
Tuesday
+25°
+15°
24 July
Wednesday
+25°
+15°
25 July
Thursday
+26°
+15°
26 July
Friday
+27°
+16°
27 July
Saturday
+24°
+15°
28 July
Sunday
+24°
+14°
29 July
Monday
+24°
+14°
30 July
Tuesday
+24°
+15°
31 July
Wednesday
+25°
+15°
Cities with similar weather in July
Portugal
Lisbon
Finland
Helsinki
Latvia
Riga
Sweden
Stockholm
Latvia
Yurmala
July in Napa is the sunniest month of the year. In July, the weather in Napa is typically warm. Average daily high temperature in July is about 24 degrees above zero. On average, Napa has 31 sunny days in July. July as well as May, June, August, and September is considered the most comfortable time to visit Napa.