Weather in Clallam County

Calculated from weather data of William R Fairchild International Airport (KCLM) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	46.0	46.0	48.0	45.0	47.0	46.0
February	45.0	49.0	46.0	47.0	45.0	46.0
March	50.0	53.0	50.0	51.0	49.0	47.0
April	54.0		53.0	52.0	57.0	55.0
May	61.0		65.0	56.0	58.0	61.0
June	65.0		67.0	65.0	72.0	62.0
July	69.0		71.0	70.0	69.0	67.0
August	72.0		75.0	75.0	71.0	69.0
September	67.0		68.0	71.0	65.0	69.0
October	58.0		58.0	65.0	55.0	58.0
November	49.0		51.0	47.0	50.0	49.0
December	45.0		50.0	42.0	42.0	47.0
Average	56.0	49.0	59.0	58.0	57.0	56.0

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	35.0	37	37	35	35	35
February	34.0	40	35	35	35	35
March	36.0	39	35	39	36	34
April	40.0		40	38	40	39
May	46.0		49	44	45	46
June	50.0		49	51	52	50
July	53.0		53	54	53	51
August	54.0		56	56	54	52
September	51.0		50	51	50	52
October	43.0		44	47	44	46
November	38.0		38	35	40	38
December	36.0		41	33	33	37
Average	42.0	39.0	44.0	44.0	43.0	43.0

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	4	3	7	1
77 °F or warmer	0	18	19	16	12
68 °F or warmer	0	77	78	58	46
32 °F or colder	7	21	32	28	35

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	14.9	18	9	13	15	27
February	15.0	21	10	8	15	12
March	9.6	9	6	14	12	7
April	10.6		10	19	6	5
May	6.8		5	13	5	9
June	4.3		2	7	3	8
July	1.4		3	2	0	2
August	1.3		2	0	0	2
September	5.6		4	0	10	6
October	10.4		10	9	17	7
November	15.8		7	16	31	20
December	14.3		14	5	16	16
Average	9.4	15.6	6.5	8.8	9.7	9.4

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	4.7	5	4	5	5	6
February	5.7	5	6	5	8	6
March	5.4	5	6	5	6	6
April	6.0		5	6	6	6
May	6.6		7	7	6	7
June	6.9		7	6	7	7
July	7.1		7	6	8	7
August	6.3		7	6	6	6
September	5.0		5	6	5	5
October	4.9		4	5	5	6
November	5.1		5	5	5	5
December	4.3		4	4	6	4
Average	5.7	4.8	5.7	5.6	6.1	5.9

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

Prevailing wind direction

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

Clallam County weather Q&A

What is the warmest month in Clallam County?

The warmest month is August with an average temperature of 72 °F over the past years.

What is the coldest month in Clallam County?

The coldest month is February with an average daytime temperature of 45 °F in the past few years.

Which month is the wettest in Clallam County?

Chance of precipitation is the highest in November with a probability of around 15.8 %.

Which month is the driest in Clallam County?

The least rainfall and snow can be expected in August. The probability is about 1.3 %.