Weather in Dane County

Calculated from weather data of Dane County Regional/Truax Field (KMSN) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	28.0	28.0	32.0	24.0	28.0	33.0
February	34.0	46.0	36.0	32.0	22.0	33.0
March	45.0	50.0	42.0	44.0	49.0	46.0
April	56.0		59.0	53.0	59.0	56.0
May	70.0		73.0	73.0	69.0	67.0
June	80.0		82.0	81.0	83.0	81.0
July	83.0		83.0	83.0	82.0	85.0
August	80.0		82.0	80.0	83.0	81.0
September	74.0		76.0	72.0	76.0	69.0
October	59.0		60.0	62.0	64.0	55.0
November	45.0		48.0	49.0	46.0	52.0
December	36.0		41.0	34.0	39.0	34.0
Average	56.0	41.0	60.0	58.0	59.0	58.0

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	16.0	19	23	7	18	21
February	17.0	25	20	14	6	16
March	28.0	31	27	27	31	33
April	37.0		39	36	40	36
May	50.0		48	54	49	47
June	60.0		57	60	63	60
July	64.0		62	64	63	67
August	61.0		58	62	63	61
September	56.0		58	55	54	52
October	43.0		44	40	49	38
November	30.0		30	32	29	35
December	23.0		30	25	25	21
Average	38.0	25.0	42.0	40.0	41.0	41.0

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	28	23	28	21
77 °F or warmer	0	101	92	106	86
68 °F or warmer	2	154	146	154	132
32 °F or colder	68	114	118	128	134

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	20.4	20	31	16	17	16
February	13.7	3	22	16	10	10
March	13.5	16	14	27	10	14
April	13.9		19	19	5	9
May	10.2		9	9	10	14
June	6.2		3	10	8	5
July	2.7		5	4	3	1
August	4.2		4	7	4	1
September	7.5		7	7	4	13
October	11.2		16	8	12	10
November	12.8		8	29	11	9
December	15.4		17	40	8	7
Average	10.8	13.3	12.1	14.5	7.9	8.7

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	8.0	8	7	9	8	8
February	8.8	9	9	10	8	9
March	9.8	11	9	9	10	9
April	10.0		10	11	9	10
May	8.4		8	10	9	9
June	7.5		7	8	7	7
July	6.6		5	7	6	7
August	6.6		7	7	6	6
September	7.6		8	8	7	8
October	8.6		8	8	8	9
November	8.8		8	10	9	9
December	8.0		8	8	9	7
Average	8.3	9.0	7.8	8.6	7.9	8.2

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	NW	W	N	W
February	SW	NW	NW	W	NW
March	NW	NE	N	S	SW
April		SW	S	W	NW
May		E	SE	S	NE
June		NE	SW	SW	S
July		NW	W	N	SW
August		NE	SW	S	SW
September		SE	NW	NW	SW
October		NW	SW	NE	W
November		SW	SW	SW	SW
December		SE	SE	S	W

Prevailing wind direction

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

Dane County weather Q&A

What is the warmest month in Dane County?

The warmest month is July with an average temperature of 83 °F over the past years.

What is the coldest month in Dane County?

The coldest month is January with an average daytime temperature of 28 °F in the past few years.

Which month is the wettest in Dane County?

Chance of precipitation is the highest in January with a probability of around 20.5 %.

Which month is the driest in Dane County?

The least rainfall and snow can be expected in July. The probability is about 2.8 %.