Weather in Inyo County

Calculated from weather data of Bishop Airport (KBIH) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	55.0	56.0	47.0	57.0	56.0	59.0
February	58.0	56.0	53.0	62.0	62.0	65.0
March	64.0	65.0	55.0	69.0	65.0	62.0
April	76.0	75.0	74.0	77.0	78.0	74.0
May	82.0		81.0	84.0	85.0	87.0
June	93.0		86.0	95.0	98.0	93.0
July	100.0		102.0	100.0	101.0	101.0
August	98.0		93.0	98.0	99.0	101.0
September	88.0		74.0	92.0	92.0	94.0
October	77.0		77.0	79.0	74.0	84.0
November	65.0		64.0	59.0	71.0	67.0
December	55.0		58.0	51.0	52.0	58.0
Average	75.0	63.0	72.0	78.0	78.0	79.0

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	26.0	27	27	25	25	24
February	28.0	30	24	26	29	28
March	32.0	34	29	34	29	32
April	40.0	39	37	39	38	40
May	46.0		45	45	47	49
June	54.0		51	55	57	54
July	60.0		60	60	64	57
August	57.0		56	61	56	58
September	50.0		46	53	50	53
October	38.0		40	40	37	41
November	30.0		28	25	35	30
December	25.0		26	24	26	23
Average	40.0	32.0	39.0	41.0	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	103	127	135	153
77 °F or warmer	14	163	189	178	192
68 °F or warmer	34	198	230	244	230
32 °F or colder	60	119	118	101	120

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	4.7	1	15	0	3	0
February	5.8	9	11	0	0	2
March	4.2	2	13	2	0	3
April	1.0	0	0	0	0	3
May	1.4		0	0	1	1
June	1.1		1	0	1	0
July	0.6		0	1	2	0
August	0.7		4	1	0	0
September	0.5		0	2	0	0
October	0.7		0	0	3	0
November	2.7		5	3	1	1
December	2.9		3	4	8	2
Average	2.2	3.0	4.0	0.9	1.3	0.9

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	7.2	9	9	6	7	7
February	8.9	8	10	10	10	9
March	9.4	9	10	11	10	10
April	9.1	9	8	9	9	8
May	8.8		8	9	9	9
June	7.4		7	7	8	8
July	7.4		6	8	8	8
August	7.2		9	7	7	6
September	7.4		7	8	8	8
October	6.9		6	6	8	6
November	6.2		7	8	5	6
December	6.2		5	6	6	7
Average	7.8	8.5	7.7	8.0	8.0	7.8

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

Prevailing wind direction

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

Inyo County weather Q&A

What is the warmest month in Inyo County?

The warmest month is July with an average temperature of 100 °F over the past years.

What is the coldest month in Inyo County?

The coldest month is December with an average daytime temperature of 55 °F in the past few years.

Which month is the wettest in Inyo County?

Chance of precipitation is the highest in February with a probability of around 5.8 %.

Which month is the driest in Inyo County?

The least rainfall and snow can be expected in September. The probability is about 0.5 %.