Climate Portola - California

	JanJa	FebFe	MarMa	AprAp	MayMa	JunJu
Average high in ºF Av. high Hi	42	45	51	57	67	76
Average low in ºF Av. low Lo	19	21	25	29	35	40
Av. precipitation in inch Av. precip. Pre.	4.06	3.87	3.36	1.37	0.96	0.52
Av. snowfall in inch Snowfall Sn	10	12	6	3	0	0

	JulJu	AugAu	SepSe	OctOc	NovNo	DecDe
Average high in ºF Av. high Hi	85	84	77	65	51	42
Average low in ºF Av. low Lo	44	42	37	30	24	19
Av. precipitation in inch Av. precip. Pre.	0.28	0.28	0.60	1.27	2.59	4.09
Av. snowfall in inch Snowfall Sn	0	0	0	0	4	8

Portola Climate Graph - California Climate Chart

Day	High ºF	Low ºF	Prec/mo inch	Prec/yr inch	Snow/mo inch	Snow/yr inch
1 Jan	40.9	18.5	0.12	0.12	0.31	0.80
2 Jan	41.0	18.5	0.28	0.28	0.51	1.30
3 Jan	41.0	18.5	0.39	0.39	0.79	2.00
4 Jan	41.1	18.5	0.51	0.51	1.10	2.80
5 Jan	41.2	18.5	0.67	0.67	1.30	3.30
6 Jan	41.2	18.6	0.79	0.79	1.61	4.10
7 Jan	41.3	18.6	0.91	0.91	1.89	4.80
8 Jan	41.4	18.6	1.06	1.06	2.09	5.30
9 Jan	41.4	18.7	1.18	1.18	2.40	6.10
10 Jan	41.5	18.7	1.34	1.34	2.72	6.90
11 Jan	41.6	18.7	1.50	1.50	2.99	7.60
12 Jan	41.6	18.8	1.61	1.61	3.31	8.40
13 Jan	41.7	18.8	1.77	1.77	3.50	8.90
14 Jan	41.8	18.8	1.93	1.93	3.82	9.70
15 Jan	41.8	18.9	2.05	2.05	4.21	10.70
16 Jan	41.9	18.9	2.17	2.17	4.49	11.40
17 Jan	42.0	18.9	2.28	2.28	4.80	12.20
18 Jan	42.0	19.0	2.40	2.40	5.20	13.20
19 Jan	42.1	19.0	2.56	2.56	5.51	14.00
20 Jan	42.2	19.0	2.68	2.68	5.79	14.70
21 Jan	42.2	19.0	2.80	2.80	6.18	15.70
22 Jan	42.3	19.1	2.91	2.91	6.61	16.80
23 Jan	42.4	19.1	3.03	3.03	7.01	17.80
24 Jan	42.4	19.2	3.15	3.15	7.28	18.50
25 Jan	42.5	19.2	3.27	3.27	7.72	19.60
26 Jan	42.6	19.2	3.43	3.43	8.11	20.60
27 Jan	42.6	19.3	3.54	3.54	8.50	21.60
28 Jan	42.7	19.3	3.66	3.66	8.90	22.60
29 Jan	42.8	19.4	3.82	3.82	9.29	23.60
30 Jan	42.9	19.4	3.94	3.94	9.69	24.60
31 Jan	43.0	19.4	4.06	4.06	10.12	25.70

Day	High ºF	Low ºF	Precip. inch	Snow inch	Snow d. inch
01 Dec	37.0	12.0	0.20	0.00	4.0
02 Dec	37.0	32.0	0.15	0.00	2.0
03 Dec	41.0	0.0	0.03	0.00	1.0
04 Dec	43.0	30.0	0.00	0.00	0.0
05 Dec	35.1	30.9	0.07	0.00	0.0
06 Dec	42.1	25.0	0.00	0.00	0.0
07 Dec	54.0	27.0	0.36	0.00	0.0
08 Dec	43.0	33.1	0.78	0.00	0.0
09 Dec	46.0	23.0	0.00	0.00	0.0
10 Dec	44.1	23.0	0.00	0.00	0.0
11 Dec	48.9	26.1	0.03	0.00	0.0
12 Dec	45.0	33.1	0.04	0.00	0.0
13 Dec	46.0	32.0	0.00	0.00	0.0
15 Dec	39.9	16.0	0.88	10.00	10.0
16 Dec	35.1	7.0	0.00	0.00	6.0
17 Dec	39.0	6.1	0.00	0.00	4.0
18 Dec	28.9	10.0	0.00	0.00	3.0
23 Dec	48.9	26.1	0.00	0.00	0.0
24 Dec	36.0	24.1	0.00	0.00	0.0
25 Dec	35.1	23.0	0.00	0.00	0.0
26 Dec	36.0	18.0	0.00	0.00	0.0

	Dec 19	Normal
Average high temperature Av. high temp.	41.0 ºF	42 ºF
Average low temperature Av. low temp.	21.8 ºF	19 ºF
Total precipitation Total precip.	2.54 inch	4.09 inch
Total snowfall Total snowfall	10.00 inch	8 inch

Highest max temperature Highest max temp.	54.0 ºF	-
Lowest max temperature Lowest max temp.	28.9 ºF	-
Highest min temperature Highest min temp.	33.1 ºF	-
Lowest min temperature Lowest min temp.	0.0 ºF	-

Past weather December 2019 incomplete - Missing data

Station Data

Monthly averages Portola
Longitude: -120.47, Latitude: 39.81
Average weather Portola, CA - 96122

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, ...