Average data for 10 years
1 August
Thursday
+24°
+15°
2 August
Friday
+25°
+15°
3 August
Saturday
+23°
+14°
4 August
Sunday
+21°
+14°
5 August
Monday
+22°
+14°
6 August
Tuesday
+23°
+14°
7 August
Wednesday
+23°
+15°
8 August
Thursday
+24°
+15°
9 August
Friday
+25°
+15°
10 August
Saturday
+24°
+15°
11 August
Sunday
+26°
+16°
12 August
Monday
+25°
+16°
13 August
Tuesday
+25°
+16°
14 August
Wednesday
+26°
+16°
15 August
Thursday
+27°
+16°
16 August
Friday
+25°
+15°
17 August
Saturday
+24°
+15°
18 August
Sunday
+24°
+15°
19 August
Monday
+22°
+14°
20 August
Tuesday
+24°
+15°
21 August
Wednesday
+24°
+15°
22 August
Thursday
+25°
+16°
23 August
Friday
+25°
+16°
24 August
Saturday
+25°
+16°
25 August
Sunday
+25°
+17°
26 August
Monday
+27°
+18°
27 August
Tuesday
+26°
+19°
28 August
Wednesday
+26°
+17°
29 August
Thursday
+26°
+16°
30 August
Friday
+25°
+17°
31 August
Saturday
+27°
+19°
Cities with similar weather in August
Canada
Vancouver
Spain
Santa Cruz de Tenerife
United States
Seattle
Spain
Las Palmas de Gran Canaria
Peru
Lima
In August, the weather in Napa is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Napa has 31 sunny days in August. August as well as May, June, July, and September is considered the most comfortable time to visit Napa.