Weather in Butte County

Calculated from weather data of Chico Regional Airport (KCIC) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	54.0	56.0	56.0	61.0	53.0	52.0
February	57.0	59.0	58.0	69.0	54.0	60.0
March	61.0	63.0	57.0	73.0	59.0	58.0
April	70.0	72.0	73.0	74.0	72.0	69.0
May	79.0		80.0	83.0	83.0	77.0
June	89.0		87.0	92.0	90.0	85.0
July	94.0		98.0	96.0	94.0	90.0
August	92.0		97.0	98.0	91.0	89.0
September	85.0		86.0	92.0	84.0	85.0
October	75.0		80.0	83.0	66.0	75.0
November	60.0		66.0	61.0	58.0	56.0
December	54.0		60.0	57.0	49.0	53.0
Average	71.0	62.0	75.0	79.0	71.0	71.0

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	41.0	43	39	37	42	43
February	41.0	44	37	37	42	41
March	44.0	45	42	45	43	45
April	50.0	49	48	48	50	52
May	57.0		57	56	58	58
June	65.0		62	64	67	65
July	70.0		69	68	71	69
August	68.0		69	69	67	70
September	63.0		62	64	62	65
October	53.0		52	55	53	56
November	44.0		43	39	46	42
December	40.0		42	37	41	38
Average	52.0	45.0	52.0	52.0	54.0	54.0

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	110	125	86	70
77 °F or warmer	7	169	180	142	135
68 °F or warmer	30	201	248	179	190
32 °F or colder	3	4	7	2	1

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	11.5	13	20	2	0	8
February	6.1	13	6	0	6	0
March	10.3	11	19	2	6	11
April	4.1	5	2	3	5	19
May	0.6		1	0	0	3
June	0.3		0	1	0	0
July	0.0		0	0	0	0
August	0.0		0	0	0	0
September	0.5		1	1	0	0
October	1.7		4	0	8	0
November	2.9		2	5	0	0
December	7.4		6	6	26	0
Average	4.0	10.4	4.7	1.3	2.7	3.2

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	10.3	9	11	12	10	8
February	9.7	10	11	9	7	10
March	10.6	12	11	9	10	14
April	9.8	8	9	12	9	11
May	9.7		8	13	9	8
June	8.3		7	10	9	6
July	6.3		7	7	5	5
August	6.2		7	5	5	4
September	6.4		7	6	7	4
October	6.4		7	5	9	5
November	7.3		6	8	6	8
December	7.7		7	9	8	8
Average	8.0	10.0	8.1	8.7	7.8	7.5

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

Prevailing wind direction

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

Butte County weather Q&A

What is the warmest month in Butte County?

The warmest month is July with an average temperature of 94 °F over the past years.

What is the coldest month in Butte County?

The coldest month is December with an average daytime temperature of 54 °F in the past few years.

Which month is the wettest in Butte County?

Chance of precipitation is the highest in January with a probability of around 11.6 %.

Which month is the driest in Butte County?

The least rainfall and snow can be expected in July. The probability is about 0.0 %.