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December weather forecast in Portland
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
+8
+6
1 December, Sunday. day, 8°; night, 6°; rain
2
+7
+6
2 December, Monday. day, 7°; night, 6°; partly cloudy
3
+7
+5
3 December, Tuesday. day, 7°; night, 5°; partly cloudy
4
+7
+5
4 December, Wednesday. day, 7°; night, 5°; rain
5
+6
+4
5 December, Thursday. day, 6°; night, 4°; partly cloudy
6
+6
+5
6 December, Friday. day, 6°; night, 5°; rain
7
+6
+5
7 December, Saturday. day, 6°; night, 5°; rain
8
+6
+4
8 December, Sunday. day, 6°; night, 4°; rain
9
+6
+5
9 December, Monday. day, 6°; night, 5°; rain
10
+7
+6
10 December, Tuesday. day, 7°; night, 6°; overcast
11
+7
+6
11 December, Wednesday. day, 7°; night, 6°; rain
12
+7
+6
12 December, Thursday. day, 7°; night, 6°; clear
13
+6
+4
13 December, Friday. day, 6°; night, 4°; rain
14
+5
+4
14 December, Saturday. day, 5°; night, 4°; rain
15
+5
+4
15 December, Sunday. day, 5°; night, 4°; rain
16
+5
+5
16 December, Monday. day, 5°; night, 5°; clear
17
+7
+5
17 December, Tuesday. day, 7°; night, 5°; rain
18
+6
+5
18 December, Wednesday. day, 6°; night, 5°; rain
19
+7
+7
19 December, Thursday. day, 7°; night, 7°; rain
20
+7
+4
20 December, Friday. day, 7°; night, 4°; rain
21
+6
+5
21 December, Saturday. day, 6°; night, 5°; rain
22
+6
+5
22 December, Sunday. day, 6°; night, 5°; clear
23
+5
+3
23 December, Monday. day, 5°; night, 3°; clear
24
+5
+3
24 December, Tuesday. day, 5°; night, 3°; overcast
25
+4
+3
25 December, Wednesday. day, 4°; night, 3°; rain
26
+5
+5
26 December, Thursday. day, 5°; night, 5°; rain
27
+7
+6
27 December, Friday. day, 7°; night, 6°; rain
28
+6
+5
28 December, Saturday. day, 6°; night, 5°; rain
29
+5
+3
29 December, Sunday. day, 5°; night, 3°; rain
30
+5
+3
30 December, Monday. day, 5°; night, 3°; rain
31
+5
+3
31 December, Tuesday. day, 5°; night, 3°; clear
1
+6
+3
1 January, Wednesday. day, 6°; night, 3°; clear
2
+5
+3
2 January, Thursday. day, 5°; night, 3°; partly cloudy
3
+5
+3
3 January, Friday. day, 5°; night, 3°; partly cloudy
4
+6
+5
4 January, Saturday. day, 6°; night, 5°; rain
Average data for 10 years
Portland December
5
sunny days
21
days with precipitation
5
cloudy days
5 sunny days; 21 days with precipitation; 5 cloudy days;
79
%
air humidity
3.9
m/s
Wind
SE
139
mm of precipitation
(15% of annual average)
air humidity 79%; 139 millimeters of precipitation (15% of annual average); Wind south-easterly 3.9 Meters per second
Weather graphs for December
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SE
SE
E
E
E
E
SE
E
SE
SE
S
SW
SE
SE
E
SE
S
S
S
S
SE
SE
E
SE
SE
SE
S
S
SE
E
E
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
Cities near you
Seattle
Vancouver
Aberdeen
Eugene
Crescent City
Abbotsford
Everett
Seaside
Klamath Falls
Cities with similar weather in December
The Sunny Beach
Kemer
Podgorica
Washington
Ashgabat
Verona
Vancouver
Tehran