14°F

Thornton, Colorado, USA

Updated: 29-Dec-2025 7:40am

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Report for Year 2025

Data last updated 12/29/2025 07:40 AM.

Other Years:

Day	Jan		Feb		Mar		Apr		May		Jun		Jul		Aug		Sep		Oct		Nov		Dec
Day	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi	Avg	Hi
1	2	26	4	34	3	16	4	23	2	25	2	22	2	18	2	17	2	14	1	14	2	12	2	13
2	2	23	3	34	2	10	5	26	3	17	2	20	3	21	2	20	2	22	1	12	5	31	3	20
3	2	13	6	33	6	47	3	20	2	14	2	18	3	20	3	18	2	20	2	18	2	13	2	14
4	2	13	1	9	12	44	5	24	4	23	3	24	3	17	3	32	3	23	6	31	3	20	2	15
5	1	8	5	36	4	20	2	12	5	28	4	26	3	20	3	18	3	14	4	20	2	21	2	16
6	2	15	4	21	3	22	2	20	3	20	2	26	3	32	3	23	1	14	3	12	8	37	4	20
7	2	12	3	26	4	16	3	14	2	15	3	24	3	24	3	30	1	12	1	12	4	28	3	22
8	2	14	6	20	2	17	4	18	2	14	4	17	3	23	4	23	3	29	1	10	4	23	4	28
9	6	34	5	21	5	20	6	38	2	15	2	13	2	25	3	29	2	23	2	13	1	12	8	42
10	4	21	5	22	5	37	3	15	3	18	3	20	3	29	4	22	2	24	2	12	4	28	6	30
11	5	37	2	12	4	21	4	16	3	20	3	34	5	39	2	15	2	24	1	13	7	31	11	41
12	2	14	2	12	3	18	4	17	4	22	3	28	2	12	3	18	2	28	2	23	1	8	4	33
13	4	21	3	15	3	23	6	29	3	15	2	16	2	22	2	17	3	30	1	16	4	32	5	30
14	2	14	3	29	5	30	3	17	6	40	3	20	4	34	3	40	2	14	2	12	4	23	2	10
15	3	15	2	15	3	14	2	13	9	34	2	26	4	23	1	18	4	21	2	25	2	18	3	10
16	2	14	1	12	6	38	4	29	6	29	3	20	4	22	2	24	4	25	4	22	3	23	5	29
17	5	25	3	15	7	36	6	32	2	15	2	26	4	24	2	17	2	18	3	15	6	36	8	54
18	3	17	2	14	9	37	3	15	2	25	2	15	3	33	3	26	2	13	3	31	3	20	5	36
19	3	13	2	14	8	34	2	12	3	16	3	14	3	20	3	20	2	13	2	12	2	12	8	44
20	3	13	2	12	5	31	4	21	4	24	4	21	2	18	2	17	1	20	6	32	3	12	4	39
21	7	34	2	12	5	28	6	41	3	22	4	25	2	20	3	28	2	22	2	13	1	6	2	14
22	4	25	2	18	7	34	3	30	3	21	6	33	3	20	4	21	2	25	1	10	2	18	5	30
23	3	20	5	26	5	32	4	15	4	26	3	14	3	14	3	17	3	16	2	16	2	14	3	18
24	5	31	3	28	10	39	4	21	5	22	2	16	2	14	3	21	1	14	1	9	3	20	3	15
25	2	13	6	39	4	17	4	18	3	34	4	28	2	20	2	14	1	10	2	12	4	20	3	28
26	2	10	4	29	2	12	3	16	3	23	2	15	2	26	1	18	1	13	1	10	2	10	2	9
27	1	8	3	14	4	24	6	32	2	23	3	17	2	20	3	21	2	14	3	16	2	15	3	24
28	2	15	4	26	6	26	6	30	4	29	2	14	2	23	2	22	2	17	3	18	3	29	5	30
29	2	12			5	32	4	31	2	12	3	22	2	16	2	34	2	22	2	12	4	28	1	7
30	3	21			4	16	4	28	3	22	4	20	2	13	2	30	1	12	2	18	2	13	---	---
31	4	23			3	15			2	12			2	17	1	13			2	14			---	---

	Jan		Feb		Mar		Apr		May		Jun		Jul		Aug		Sep		Oct		Nov		Dec
Month Avg	3	18	3	21	5	26	4	22	3	22	3	21	3	22	3	22	2	19	2	16	3	20	4	25
Month Highs	7	37	6	39	12	47	6	41	9	40	6	34	5	39	4	40	4	30	6	32	8	37	11	54

Script Developed by Murry Conarroe of Wildwood Weather.

WIND COLOR CODING CHART

Beaufort number	Description	Wind speed
Beaufort number	Description	mph	km/h	kts	m/s
0	Calm	< 1	< 1	< 1	< 0.3
1	Light air	1 – 3	1.1 – 5.5	1 – 2	0.3 – 1.5
2	Light breeze	4 – 7	5.6 – 11	3 – 6	1.6 – 3.4
3	Gentle breeze	8 – 12	12 – 19	7 – 10	3.4 – 5.4
4	Moderate breeze	13 – 17	20 – 28	11 – 15	5.5 – 7.9
5	Fresh breeze	18 – 24	29 – 38	16 – 20	8.0 – 10.7
6	Strong breeze	25 – 30	39 – 49	21 – 26	10.8 – 13.8
7	High wind, Moderate gale, Near gale	31 – 38	50 – 61	27 – 33	13.9 – 17.1
8	Gale, Fresh gale	39 – 46	62 – 74	34 – 40	17.2 – 20.7
9	Strong gale	47 – 54	75 – 88	41 – 47	20.8 – 24.4
10	Storm, Whole gale	55 – 63	89 – 102	48 – 55	24.5 – 28.4
11	Violent storm	64 – 72	103 - 107	56 – 63	28.5 – 32.6
12	Hurricane force	> 73	> 118	> 64	> 32.7