Average data for 10 years
1 August
Thursday
+28°
+23°
2 August
Friday
+29°
+22°
3 August
Saturday
+28°
+23°
4 August
Sunday
+28°
+21°
5 August
Monday
+27°
+22°
6 August
Tuesday
+27°
+21°
7 August
Wednesday
+27°
+22°
8 August
Thursday
+28°
+22°
9 August
Friday
+28°
+22°
10 August
Saturday
+28°
+22°
11 August
Sunday
+27°
+21°
12 August
Monday
+27°
+21°
13 August
Tuesday
+27°
+20°
14 August
Wednesday
+27°
+21°
15 August
Thursday
+28°
+22°
16 August
Friday
+28°
+22°
17 August
Saturday
+26°
+22°
18 August
Sunday
+28°
+21°
19 August
Monday
+28°
+22°
20 August
Tuesday
+28°
+22°
21 August
Wednesday
+28°
+22°
22 August
Thursday
+27°
+21°
23 August
Friday
+27°
+21°
24 August
Saturday
+27°
+21°
25 August
Sunday
+27°
+22°
26 August
Monday
+27°
+20°
27 August
Tuesday
+27°
+21°
28 August
Wednesday
+27°
+21°
29 August
Thursday
+28°
+20°
30 August
Friday
+28°
+22°
31 August
Saturday
+28°
+21°
Cities with similar weather in August
Spain
Barcelona
United States
New York
Italy
Milan
Italy
Rimini
Spain
Alicante
In August, the weather in Portsmouth is typically hot. Average daily high temperature in August is about 28 degrees above zero. On average, Portsmouth has 19 sunny, 11 partly cloudy, and 1 rainy day in August. The rains are usually light. August as well as September is considered the most comfortable time to visit Portsmouth.