Av. high : Average high in ºF - Av.low : Average low in ºF - Av. precip. : Average precipitation in inch - Days precip. : Days with precipitation - Hours sun. : Hours of sunshine
Hi : Average high in ºF - Lo : Average low in ºF - Pre. : Average precipitation in inch - DP : Days with precipitation - Sun : Hours of sunshine
Grand Coulee Climate Graph - Washington Climate Chart
Daily normals Grand Coulee - Washington - January
Day
High
ºF
Low
ºF
Prec/mo
inch
Prec/yr
inch
Snow/mo
inch
Snow/yr
inch
1 Jan
31.3
21.1
0.04
0.04
0.00
0.00
2 Jan
31.4
21.2
0.08
0.08
0.00
0.00
3 Jan
31.4
21.2
0.12
0.12
0.00
0.00
4 Jan
31.5
21.3
0.16
0.16
0.00
0.00
5 Jan
31.6
21.4
0.20
0.20
0.00
0.00
6 Jan
31.8
21.5
0.24
0.24
0.00
0.00
7 Jan
31.9
21.6
0.28
0.28
0.00
0.00
8 Jan
32.0
21.7
0.31
0.31
0.00
0.00
9 Jan
32.2
21.8
0.35
0.35
0.00
0.00
10 Jan
32.3
22.0
0.39
0.39
0.00
0.00
11 Jan
32.4
22.1
0.43
0.43
0.00
0.00
12 Jan
32.6
22.2
0.47
0.47
0.00
0.00
13 Jan
32.8
22.3
0.47
0.47
0.00
0.00
14 Jan
32.9
22.4
0.51
0.51
0.00
0.00
15 Jan
33.1
22.6
0.55
0.55
0.00
0.00
16 Jan
33.2
22.7
0.59
0.59
0.00
0.00
17 Jan
33.4
22.8
0.63
0.63
0.00
0.00
18 Jan
33.6
22.9
0.67
0.67
0.00
0.00
19 Jan
33.8
23.0
0.71
0.71
0.00
0.00
20 Jan
34.0
23.1
0.71
0.71
0.00
0.00
21 Jan
34.1
23.2
0.75
0.75
0.00
0.00
22 Jan
34.3
23.3
0.79
0.79
0.00
0.00
23 Jan
34.5
23.4
0.83
0.83
0.00
0.00
24 Jan
34.7
23.5
0.87
0.87
0.00
0.00
25 Jan
34.9
23.6
0.87
0.87
0.00
0.00
26 Jan
35.1
23.6
0.91
0.91
0.00
0.00
27 Jan
35.3
23.7
0.94
0.94
0.00
0.00
28 Jan
35.5
23.8
0.98
0.98
0.00
0.00
29 Jan
35.7
23.8
0.98
0.98
0.00
0.00
30 Jan
35.9
23.9
1.02
1.02
0.00
0.00
31 Jan
36.1
24.0
1.06
1.06
0.00
0.00
Weather history Grand Coulee - December 2019
Day
High
ºF
Low
ºF
Precip.
inch
Snow
inch
Snow d.
inch
01 Dec
27.0
16.0
0.03
0.51
1.0
02 Dec
28.0
24.1
0.01
0.00
0.0
03 Dec
30.0
26.1
0.00
0.00
0.0
04 Dec
36.0
25.0
0.00
0.00
0.0
05 Dec
36.0
32.0
0.00
0.00
0.0
06 Dec
39.0
33.1
0.00
0.00
0.0
07 Dec
37.9
34.0
0.33
0.00
0.0
08 Dec
43.0
30.0
0.00
0.00
0.0
09 Dec
39.0
24.1
0.00
0.00
0.0
10 Dec
32.0
25.0
0.00
0.00
0.0
11 Dec
30.9
27.0
0.10
0.98
1.0
12 Dec
34.0
28.9
0.18
0.51
1.0
13 Dec
34.0
28.9
0.00
0.00
0.0
14 Dec
32.0
27.0
0.00
0.00
0.0
15 Dec
27.0
24.1
0.00
0.00
0.0
16 Dec
28.0
23.0
0.00
0.00
0.0
17 Dec
32.0
23.0
0.00
0.00
0.0
18 Dec
33.1
26.1
0.00
0.00
0.0
19 Dec
-
-
0.02
0.51
0.0
20 Dec
48.0
33.1
0.00
0.00
0.0
21 Dec
48.9
44.1
0.00
0.00
0.0
22 Dec
46.0
34.0
0.00
0.00
0.0
23 Dec
36.0
33.1
0.00
0.00
0.0
24 Dec
35.1
32.0
0.85
0.00
0.0
25 Dec
34.0
28.0
0.00
0.00
0.0
26 Dec
30.9
21.0
0.00
0.00
0.0
Past weather Grand Coulee
Dec 19
Normal
Average high temperature Av. high temp.
35.1 ºF
32 ºF
Average low temperature Av. low temp.
28.1 ºF
22 ºF
Total precipitation Total precip.
1.52 inch
1.45 inch
Total snowfall Total snowfall
2.51 inch
0 inch
Highest max temperature Highest max temp.
48.9 ºF
-
Lowest max temperature Lowest max temp.
27.0 ºF
-
Highest min temperature Highest min temp.
44.1 ºF
-
Lowest min temperature Lowest min temp.
16.0 ºF
-
Past weather December 2019 incomplete - Missing data
Geo Grand Coulee - Washington
Country
United States
State
Washington
County
City
Grand Coulee
Zip code
99133
Longitude
-119 dec. degr.
Latitude
47.94 dec. degr.
Altitude - Elevation
1532ft
ICAO
-
IATA
-
Date and Time Grand Coulee - Washington
Local Time
01:07 AM
Sunrise
07:39 AM
Sunset
04:32 PM
Day / Night
Night
Timezone
(UTC-08:00) Pacific Time (US & Canada)
Timezone DB
America/Los_Angeles
Map of Grand Coulee - Washington
Grand Coulee weather averages
Annual high temperature
60ºF
Annual low temperature
39ºF
Average annual precip.
10.79 inch
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Station Data
Monthly averages Grand Coulee Longitude: -119.002, Latitude: 47.9397 Average weather Grand Coulee, WA - 99133
Monthly: 1981-2010 normals History: 2008-2019
Abbreviations
Average precipitation in : Av. precipitation in Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...