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May weather forecast in Ottawa
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
27
+12
+8
27 April, sun
+12
+8
Feels like
+9
747 mmHg
72%
6
m/s
E
27 April, Sunday. day, 12°; night, 8°; overcast
28
+14
+10
28 April, mon
+14
+10
Feels like
+11
746 mmHg
79%
6.5
m/s
SE
28 April, Monday. day, 14°; night, 10°; rain
29
+15
+10
29 April, tue
+15
+10
Feels like
+12
745 mmHg
79%
7.3
m/s
SE
29 April, Tuesday. day, 15°; night, 10°; rain
30
+15
+12
30 April, wed
+15
+12
Feels like
+12
745 mmHg
75%
6.6
m/s
SW
30 April, Wednesday. day, 15°; night, 12°; rain
1
+16
+11
1 May, thu
+16
+11
Feels like
+14
746 mmHg
74%
6.1
m/s
SW
1 May, Thursday. day, 16°; night, 11°; overcast
2
+18
+12
2 May, fri
+18
+12
Feels like
+15
746 mmHg
69%
6
m/s
SW
2 May, Friday. day, 18°; night, 12°; overcast
3
+18
+13
3 May, sat
+18
+13
Feels like
+15
747 mmHg
67%
7.3
m/s
S
3 May, Saturday. day, 18°; night, 13°; rain
4
+18
+13
4 May, sun
+18
+13
Feels like
+16
747 mmHg
68%
6.8
m/s
E
4 May, Sunday. day, 18°; night, 13°; rain
5
+20
+12
5 May, mon
+20
+12
Feels like
+19
746 mmHg
66%
5.9
m/s
E
5 May, Monday. day, 20°; night, 12°; partly cloudy
6
+23
+15
6 May, tue
+23
+15
Feels like
+22
745 mmHg
63%
6.3
m/s
S
6 May, Tuesday. day, 23°; night, 15°; clear
7
+20
+15
7 May, wed
+20
+15
Feels like
+19
745 mmHg
74%
5.5
m/s
S
7 May, Wednesday. day, 20°; night, 15°; clear
8
+18
+14
8 May, thu
+18
+14
Feels like
+15
746 mmHg
74%
7.3
m/s
S
8 May, Thursday. day, 18°; night, 14°; rain
9
+17
+12
9 May, fri
+17
+12
Feels like
+16
747 mmHg
75%
5
m/s
SE
9 May, Friday. day, 17°; night, 12°; rain
10
+19
+13
10 May, sat
+19
+13
Feels like
+18
746 mmHg
75%
6.6
m/s
S
10 May, Saturday. day, 19°; night, 13°; clear
11
+19
+13
11 May, sun
+19
+13
Feels like
+16
747 mmHg
70%
7
m/s
S
11 May, Sunday. day, 19°; night, 13°; rain
12
+19
+14
12 May, mon
+19
+14
Feels like
+18
748 mmHg
74%
6.4
m/s
SW
12 May, Monday. day, 19°; night, 14°; rain
13
+19
+13
13 May, tue
+19
+13
Feels like
+17
748 mmHg
69%
6.5
m/s
SW
13 May, Tuesday. day, 19°; night, 13°; rain
14
+18
+12
14 May, wed
+18
+12
Feels like
+16
747 mmHg
69%
6
m/s
W
14 May, Wednesday. day, 18°; night, 12°; overcast
15
+19
+13
15 May, thu
+19
+13
Feels like
+16
748 mmHg
66%
6.5
m/s
S
15 May, Thursday. day, 19°; night, 13°; partly cloudy
16
+19
+13
16 May, fri
+19
+13
Feels like
+17
748 mmHg
66%
6.3
m/s
S
16 May, Friday. day, 19°; night, 13°; partly cloudy
17
+20
+14
17 May, sat
+20
+14
Feels like
+18
748 mmHg
64%
6.1
m/s
SW
17 May, Saturday. day, 20°; night, 14°; clear
18
+20
+13
18 May, sun
+20
+13
Feels like
+18
749 mmHg
66%
5.6
m/s
SE
18 May, Sunday. day, 20°; night, 13°; partly cloudy
19
+22
+15
19 May, mon
+22
+15
Feels like
+20
747 mmHg
67%
6.5
m/s
SE
19 May, Monday. day, 22°; night, 15°; clear
20
+23
+16
20 May, tue
+23
+16
Feels like
+22
746 mmHg
68%
7.1
m/s
SW
20 May, Tuesday. day, 23°; night, 16°; rain
21
+22
+16
21 May, wed
+22
+16
Feels like
+21
747 mmHg
67%
6
m/s
W
21 May, Wednesday. day, 22°; night, 16°; clear
22
+23
+16
22 May, thu
+23
+16
Feels like
+22
747 mmHg
66%
5.5
m/s
S
22 May, Thursday. day, 23°; night, 16°; partly cloudy
23
+22
+15
23 May, fri
+22
+15
Feels like
+22
748 mmHg
67%
5.1
m/s
E
23 May, Friday. day, 22°; night, 15°; rain
24
+22
+15
24 May, sat
+22
+15
Feels like
+21
746 mmHg
68%
6.4
m/s
SE
24 May, Saturday. day, 22°; night, 15°; rain
25
+23
+17
25 May, sun
+23
+17
Feels like
+23
746 mmHg
74%
5.5
m/s
SE
25 May, Sunday. day, 23°; night, 17°; rain
26
+24
+18
26 May, mon
+24
+18
Feels like
+25
746 mmHg
75%
5.9
m/s
S
26 May, Monday. day, 24°; night, 18°; rain
27
+23
+19
27 May, tue
+23
+19
Feels like
+23
746 mmHg
70%
5.9
m/s
SE
27 May, Tuesday. day, 23°; night, 19°; clear
28
+26
+18
28 May, wed
+26
+18
Feels like
+25
746 mmHg
67%
7.1
m/s
S
28 May, Wednesday. day, 26°; night, 18°; clear
29
+26
+19
29 May, thu
+26
+19
Feels like
+25
747 mmHg
62%
6.3
m/s
SW
29 May, Thursday. day, 26°; night, 19°; partly cloudy
30
+23
+18
30 May, fri
+23
+18
Feels like
+23
747 mmHg
67%
6.4
m/s
SW
30 May, Friday. day, 23°; night, 18°; rain
31
+24
+18
31 May, sat
+24
+18
Feels like
+23
747 mmHg
69%
6.4
m/s
SW
31 May, Saturday. day, 24°; night, 18°; rain
Average data for 10 years
Ottawa May
8
sunny days
14
days with precipitation
9
cloudy days
8 sunny days; 14 days with precipitation; 9 cloudy days;
68
%
air humidity
4.5
m/s
Wind
S
110
mm of precipitation
(13% of annual average)
air humidity 68%; 110 millimeters of precipitation (13% of annual average); Wind southerly 4.5 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
S
E
E
S
S
S
SE
S
S
SW
SW
W
S
S
SW
SE
SE
SW
W
S
E
SE
SE
S
SE
S
SW
SW
SW
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Daytime temperature
Night-time temperature
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