Average data for 10 years
1 May
Thursday
+16°
+6°
2 May
Friday
+16°
+6°
3 May
Saturday
+16°
+7°
4 May
Sunday
+17°
+7°
5 May
Monday
+17°
+6°
6 May
Tuesday
+18°
+7°
7 May
Wednesday
+18°
+6°
8 May
Thursday
+17°
+6°
9 May
Friday
+17°
+7°
10 May
Saturday
+18°
+8°
11 May
Sunday
+17°
+7°
12 May
Monday
+17°
+7°
13 May
Tuesday
+18°
+7°
14 May
Wednesday
+19°
+8°
15 May
Thursday
+19°
+9°
16 May
Friday
+18°
+9°
17 May
Saturday
+18°
+7°
18 May
Sunday
+19°
+8°
19 May
Monday
+20°
+8°
20 May
Tuesday
+21°
+9°
21 May
Wednesday
+21°
+10°
22 May
Thursday
+20°
+10°
23 May
Friday
+20°
+9°
24 May
Saturday
+21°
+10°
25 May
Sunday
+21°
+10°
26 May
Monday
+21°
+11°
27 May
Tuesday
+21°
+11°
28 May
Wednesday
+21°
+11°
29 May
Thursday
+22°
+11°
30 May
Friday
+22°
+11°
31 May
Saturday
+22°
+11°
Cities near you
Canada
Montreal
United States
Colchester
United States
Brooklyn
United States
Lake George
United States
Lake Placid
Cities with similar weather in May
Belarus
Minsk
Latvia
Riga
Belarus
Vitebsk
Lithuania
Vilnius
Kazakhstan
Kokshetau
In May, the weather in Ottawa is typically warm. Average daily high temperature in May is about 19 degrees above zero. On average, Ottawa has 12 rainy, 9 sunny, 8 partly cloudy, and 2 cloudy days in May. The rains are usually heavy.