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December weather forecast in St. Helena
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
1
+13
+10
1 December, Sunday. day, 13°; night, 10°; partly cloudy
2
+13
+9
2 December, Monday. day, 13°; night, 9°; clear
3
+12
+9
3 December, Tuesday. day, 12°; night, 9°; partly cloudy
4
+12
+9
4 December, Wednesday. day, 12°; night, 9°; partly cloudy
5
+12
+9
5 December, Thursday. day, 12°; night, 9°; rain
6
+12
+8
6 December, Friday. day, 12°; night, 8°; clear
7
+11
+8
7 December, Saturday. day, 11°; night, 8°; partly cloudy
8
+11
+9
8 December, Sunday. day, 11°; night, 9°; clear
9
+13
+10
9 December, Monday. day, 13°; night, 10°; partly cloudy
10
+13
+9
10 December, Tuesday. day, 13°; night, 9°; partly cloudy
11
+12
+9
11 December, Wednesday. day, 12°; night, 9°; partly cloudy
12
+12
+8
12 December, Thursday. day, 12°; night, 8°; rain
13
+11
+7
13 December, Friday. day, 11°; night, 7°; partly cloudy
14
+11
+8
14 December, Saturday. day, 11°; night, 8°; rain
15
+11
+7
15 December, Sunday. day, 11°; night, 7°; clear
16
+10
+9
16 December, Monday. day, 10°; night, 9°; overcast
17
+12
+8
17 December, Tuesday. day, 12°; night, 8°; rain
18
+10
+7
18 December, Wednesday. day, 10°; night, 7°; clear
19
+11
+7
19 December, Thursday. day, 11°; night, 7°; clear
20
+12
+9
20 December, Friday. day, 12°; night, 9°; partly cloudy
21
+12
+9
21 December, Saturday. day, 12°; night, 9°; partly cloudy
22
+12
+8
22 December, Sunday. day, 12°; night, 8°; clear
23
+11
+7
23 December, Monday. day, 11°; night, 7°; clear
24
+11
+8
24 December, Tuesday. day, 11°; night, 8°; clear
25
+10
+7
25 December, Wednesday. day, 10°; night, 7°; clear
26
+11
+7
26 December, Thursday. day, 11°; night, 7°; rain
27
+11
+8
27 December, Friday. day, 11°; night, 8°; clear
28
+11
+8
28 December, Saturday. day, 11°; night, 8°; rain
29
+10
+7
29 December, Sunday. day, 10°; night, 7°; rain
30
+11
+6
30 December, Monday. day, 11°; night, 6°; partly cloudy
31
+11
+6
31 December, Tuesday. day, 11°; night, 6°; partly cloudy
1
+10
+7
1 January, Wednesday. day, 10°; night, 7°; clear
2
+10
+7
2 January, Thursday. day, 10°; night, 7°; partly cloudy
3
+10
+8
3 January, Friday. day, 10°; night, 8°; partly cloudy
4
+11
+8
4 January, Saturday. day, 11°; night, 8°; partly cloudy
Average data for 10 years
St. Helena December
11
sunny days
7
days with precipitation
13
cloudy days
11 sunny days; 7 days with precipitation; 13 cloudy days;
66
%
air humidity
2.5
m/s
Wind
NE
104
mm of precipitation
(18% of annual average)
air humidity 66%; 104 millimeters of precipitation (18% of annual average); Wind north-easterly 2.5 Meters per second
Weather graphs for December
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
N
NW
N
NE
NE
N
NE
NE
NE
NE
E
NW
N
E
NE
NE
N
S
SE
SE
SE
SW
NE
NE
N
NE
E
E
N
NE
NE
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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