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May weather forecast in Rock Falls
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
28
+14
+9
28 April, Sunday. day, 14°; night, 9°; clear
29
+15
+10
29 April, Monday. day, 15°; night, 10°; rain
30
+15
+11
30 April, Tuesday. day, 15°; night, 11°; rain
1
+15
+10
1 May, Wednesday. day, 15°; night, 10°; rain
2
+17
+11
2 May, Thursday. day, 17°; night, 11°; overcast
3
+18
+13
3 May, Friday. day, 18°; night, 13°; rain
4
+18
+13
4 May, Saturday. day, 18°; night, 13°; partly cloudy
5
+20
+12
5 May, Sunday. day, 20°; night, 12°; partly cloudy
6
+22
+15
6 May, Monday. day, 22°; night, 15°; clear
7
+20
+16
7 May, Tuesday. day, 20°; night, 16°; rain
8
+18
+14
8 May, Wednesday. day, 18°; night, 14°; overcast
9
+17
+13
9 May, Thursday. day, 17°; night, 13°; rain
10
+19
+13
10 May, Friday. day, 19°; night, 13°; rain
11
+18
+13
11 May, Saturday. day, 18°; night, 13°; clear
12
+19
+14
12 May, Sunday. day, 19°; night, 14°; overcast
13
+18
+13
13 May, Monday. day, 18°; night, 13°; rain
14
+19
+12
14 May, Tuesday. day, 19°; night, 12°; partly cloudy
15
+19
+13
15 May, Wednesday. day, 19°; night, 13°; rain
16
+20
+13
16 May, Thursday. day, 20°; night, 13°; partly cloudy
17
+19
+14
17 May, Friday. day, 19°; night, 14°; clear
18
+20
+13
18 May, Saturday. day, 20°; night, 13°; partly cloudy
19
+21
+15
19 May, Sunday. day, 21°; night, 15°; rain
20
+21
+16
20 May, Monday. day, 21°; night, 16°; rain
21
+22
+16
21 May, Tuesday. day, 22°; night, 16°; clear
22
+22
+16
22 May, Wednesday. day, 22°; night, 16°; rain
23
+22
+16
23 May, Thursday. day, 22°; night, 16°; partly cloudy
24
+21
+16
24 May, Friday. day, 21°; night, 16°; clear
25
+22
+17
25 May, Saturday. day, 22°; night, 17°; rain
26
+23
+18
26 May, Sunday. day, 23°; night, 18°; rain
27
+23
+18
27 May, Monday. day, 23°; night, 18°; clear
28
+25
+18
28 May, Tuesday. day, 25°; night, 18°; clear
29
+24
+19
29 May, Wednesday. day, 24°; night, 19°; clear
30
+23
+17
30 May, Thursday. day, 23°; night, 17°; rain
31
+23
+18
31 May, Friday. day, 23°; night, 18°; rain
1
+21
+18
1 June, Saturday. day, 21°; night, 18°; clear
Average data for 10 years
Rock Falls May
8
sunny days
14
days with precipitation
9
cloudy days
8 sunny days; 14 days with precipitation; 9 cloudy days;
69
%
air humidity
4.9
m/s
Wind
S
110
mm of precipitation
(13% of annual average)
air humidity 69%; 110 millimeters of precipitation (13% of annual average); Wind southerly 4.9 Meters per second
Weather graphs for May
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
W
SW
S
SE
E
S
SW
S
E
S
S
SW
SW
W
S
S
SW
SE
SE
SW
NW
SE
SE
SE
SE
S
SE
S
S
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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