Weather in Adams County

Calculated from weather data of Denver International Airport (KDEN) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	44.0	42.0	34.0	46.0	46.0	48.0
February	45.0	51.0	44.0	43.0	38.0	41.0
March	55.0	55.0	50.0	55.0	51.0	56.0
April	64.0		64.0	65.0	61.0	62.0
May	71.0		71.0	74.0	69.0	76.0
June	84.0		75.0	86.0	86.0	88.0
July	90.0		87.0	92.0	91.0	91.0
August	89.0		88.0	89.0	90.0	93.0
September	83.0		83.0	85.0	84.0	82.0
October	65.0		67.0	66.0	69.0	66.0
November	56.0		58.0	49.0	62.0	58.0
December	48.0		51.0	47.0	54.0	46.0
Average	64.0	49.0	65.0	67.0	67.0	67.0

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	21.0	17	18	20	24	23
February	21.0	27	21	18	15	20
March	29.0	29	25	27	29	31
April	35.0		34	35	35	34
May	45.0		48	44	46	46
June	56.0		54	56	58	56
July	62.0		61	64	63	62
August	61.0		61	63	62	62
September	54.0		54	55	56	52
October	39.0		39	42	41	37
November	30.0		31	25	34	32
December	23.0		27	20	26	24
Average	38.0	25.0	40.0	40.0	41.0	40.0

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
86 °F or warmer	0	48	82	77	93
77 °F or warmer	0	113	132	123	136
68 °F or warmer	0	177	171	178	178
32 °F or colder	70	130	124	123	126

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	8.3	7	16	15	5	2
February	11.8	15	9	14	10	17
March	7.9	11	5	17	11	4
April	6.5		9	0	8	10
May	6.8		8	6	7	3
June	2.6		9	2	1	2
July	1.1		1	1	1	1
August	1.4		1	3	1	1
September	1.8		1	4	1	5
October	4.7		5	3	1	4
November	5.4		7	9	1	2
December	4.6		3	6	2	5
Average	5.7	10.8	6.1	6.3	3.8	4.4

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month	Average	2024	2023	2022	2021	2020
January	9.4	10	9	10	9	11
February	10.5	10	12	9	10	11
March	11.3	10	12	12	11	11
April	11.3		11	14	11	10
May	10.2		10	12	9	10
June	9.6		9	10	8	11
July	8.9		9	9	8	10
August	8.7		9	9	9	9
September	8.9		9	9	9	8
October	9.4		9	8	10	10
November	9.5		9	9	9	11
December	10.3		10	13	11	10
Average	9.8	9.6	9.7	10.1	9.4	9.9

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	NW	SE	N	N	SW
February	W	W	SE	NW	SW
March	N	NE	N	S	E
April		NW	NW	N	N
May		NE	W	E	E
June		SE	S	SE	S
July		NE	NW	N	SW
August		SE	NW	NW	W
September		W	SW	NE	N
October		NE	W	E	NE
November		E	SE	W	SW
December		NW	W	SW	W

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Adams County weather Q&A

What is the warmest month in Adams County?

The warmest month is July with an average temperature of 90 °F over the past years.

What is the coldest month in Adams County?

The coldest month is January with an average daytime temperature of 44 °F in the past few years.

Which month is the wettest in Adams County?

Chance of precipitation is the highest in February with a probability of around 11.9 %.

Which month is the driest in Adams County?

The least rainfall and snow can be expected in July. The probability is about 1.2 %.