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
Half Moon Bay Climate Graph - California Climate Chart
Daily normals Half Moon Bay - California - January
Day
High
ºF
Low
ºF
Prec/mo
inch
Prec/yr
inch
Snow/mo
inch
Snow/yr
inch
1 Jan
58.5
41.6
0.16
0.16
0.00
0.00
2 Jan
58.5
41.6
0.31
0.31
0.00
0.00
3 Jan
58.5
41.6
0.47
0.47
0.00
0.00
4 Jan
58.5
41.6
0.67
0.67
0.00
0.00
5 Jan
58.5
41.6
0.83
0.83
0.00
0.00
6 Jan
58.6
41.6
0.98
0.98
0.00
0.00
7 Jan
58.6
41.5
1.14
1.14
0.00
0.00
8 Jan
58.6
41.5
1.34
1.34
0.00
0.00
9 Jan
58.6
41.5
1.50
1.50
0.00
0.00
10 Jan
58.7
41.5
1.69
1.69
0.00
0.00
11 Jan
58.7
41.5
1.85
1.85
0.00
0.00
12 Jan
58.8
41.5
2.05
2.05
0.00
0.00
13 Jan
58.8
41.5
2.24
2.24
0.00
0.00
14 Jan
58.9
41.5
2.44
2.44
0.00
0.00
15 Jan
58.9
41.4
2.64
2.64
0.00
0.00
16 Jan
59.0
41.4
2.83
2.83
0.00
0.00
17 Jan
59.0
41.4
2.99
2.99
0.00
0.00
18 Jan
59.1
41.4
3.19
3.19
0.00
0.00
19 Jan
59.1
41.4
3.35
3.35
0.00
0.00
20 Jan
59.2
41.4
3.54
3.54
0.00
0.00
21 Jan
59.2
41.4
3.70
3.70
0.00
0.00
22 Jan
59.3
41.4
3.86
3.86
0.00
0.00
23 Jan
59.3
41.4
4.06
4.06
0.00
0.00
24 Jan
59.4
41.5
4.21
4.21
0.00
0.00
25 Jan
59.4
41.5
4.41
4.41
0.00
0.00
26 Jan
59.5
41.5
4.61
4.61
0.00
0.00
27 Jan
59.5
41.5
4.76
4.76
0.00
0.00
28 Jan
59.6
41.5
4.96
4.96
0.00
0.00
29 Jan
59.6
41.5
5.16
5.16
0.00
0.00
30 Jan
59.7
41.6
5.35
5.35
0.00
0.00
31 Jan
59.7
41.6
5.51
5.51
0.00
0.00
Weather history Half Moon Bay - December 2019
Day
High
ºF
Low
ºF
Precip.
inch
Snow
inch
Snow d.
inch
01 Dec
61.0
51.1
0.02
-
-
02 Dec
64.9
55.0
0.20
-
-
03 Dec
63.0
53.1
0.02
-
-
04 Dec
62.1
51.1
0.32
-
-
05 Dec
61.0
48.9
0.03
-
-
06 Dec
66.0
55.9
0.00
-
-
07 Dec
62.1
55.9
0.67
-
-
08 Dec
60.1
52.0
0.26
-
-
09 Dec
57.0
45.0
0.01
-
-
10 Dec
57.9
48.0
0.00
-
-
11 Dec
60.1
52.0
0.31
-
-
12 Dec
60.1
57.0
0.20
-
-
13 Dec
60.1
48.9
0.02
-
-
15 Dec
55.9
39.9
0.04
-
-
16 Dec
57.0
39.0
0.00
-
-
17 Dec
63.0
43.0
0.00
-
-
18 Dec
60.1
50.0
0.82
-
-
19 Dec
57.9
46.9
0.11
-
-
20 Dec
57.9
44.1
0.00
-
-
21 Dec
60.1
44.1
0.00
-
-
22 Dec
60.1
45.0
0.81
-
-
23 Dec
55.0
35.1
0.00
-
-
24 Dec
54.0
37.0
0.08
-
-
25 Dec
53.1
44.1
0.11
-
-
26 Dec
57.0
46.0
0.00
-
-
Past weather Half Moon Bay
Dec 19
Normal
Average high temperature Av. high temp.
59.5 ºF
59 ºF
Average low temperature Av. low temp.
47.5 ºF
42 ºF
Total precipitation Total precip.
4.03 inch
5.28 inch
Total snowfall Total snowfall
- inch
0 inch
Highest max temperature Highest max temp.
66.0 ºF
-
Lowest max temperature Lowest max temp.
53.1 ºF
-
Highest min temperature Highest min temp.
57.0 ºF
-
Lowest min temperature Lowest min temp.
35.1 ºF
-
Past weather December 2019 incomplete - Missing data
Geo Half Moon Bay - California
Country
United States
State
California
County
San Mateo
City
Half Moon Bay
Zip code
94019
Longitude
-122.5 dec. degr.
Latitude
37.51 dec. degr.
Altitude - Elevation
39ft
ICAO
-
IATA
-
Date and Time Half Moon Bay - California
Local Time
12:40 AM
Sunrise
07:21 AM
Sunset
05:20 PM
Day / Night
Night
Timezone
(UTC-08:00) Pacific Time (US & Canada)
Timezone DB
America/Los_Angeles
Map of Half Moon Bay - California
Half Moon Bay weather averages
Annual high temperature
62ºF
Annual low temperature
46ºF
Average annual precip.
29 inch
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Station Data
Monthly averages Half Moon Bay Longitude: -122.501, Latitude: 37.5134 Average weather Half Moon Bay, CA - 94019
Monthly: 1981-2010 normals History: 2007-2019
Abbreviations
Average precipitation in : Av. precipitation in Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ...