Weather Averages for Ahtanum, WA

Weather Averages for
Ahtanum, WA

Latitude: 46°34'N, Longitude: 120°32'W, Elevation: 1064.0 ft, Distance: 2.16 mi

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 48 years	°F	50	28	36	43	50	57	64	69	69	60	50	37	31
Average high temperature over 48 years	°F	62	37	46	55	64	73	80	87	86	78	64	48	37
Average low temperature over 48 years	°F	36	19	26	30	35	42	48	53	51	44	35	28	21
Highest recorded temperature over 48 years	°F	109	68	68	80	91	102	105	107	109	100	87	73	66
Lowest recorded temperature over 48 years	°F	-25	-20	-25	0	19	24	30	34	35	24	10	-13	-16
Average number of rainy days over 47 years	days	69	9	7	7	5	5	5	2	3	3	5	8	10
Average number of days above 90°F over 48 years	days	32	-	-	-	-	1	5	13	11	2	-	-	-
Average precipitation over 48 years	in	8.2	1.3	0.8	0.7	0.5	0.5	0.7	0.2	0.3	0.4	0.5	1.0	1.3
Average dew point over 43 years	°F	34	21	26	28	31	37	43	46	46	43	36	30	24
Most recorded rainfall over 48 years	in	13.9	3.7	2.5	2.6	1.8	2.8	2.5	0.7	2.1	2.1	2.2	2.8	4.2
Least recorded rainfall over 48 years	in	4.2	0.1	-	-	-	-	-	-	-	-	-	-	0.1
Average number of days with thunderstorms over 48 years	days	6	-	-	-	-	1	2	1	1	1	-	-	-
Average number of days with fog over 48 years	days	56	15	8	3	-	-	-	-	-	-	2	11	17
Average morning relative humidity over 44 years	%	71	84	83	77	64	56	54	54	61	72	81	85	85
Average evening relative humidity over 44 years	%	44	72	59	41	33	30	30	26	28	32	43	63	75
Average wind speed over 43 years	mph	8.0	5.0	6.0	8.0	8.0	8.0	10.0	8.0	6.0	8.0	8.0	6.0	5.0
Average number of days below 32°F over 48 years	days	149	28	23	21	12	3	-	-	-	1	11	21	28
Average snowfall over 47 years	in	23.8	8.4	3.3	1.5	-	-	-	-	-	-	0.1	2.2	8.3
Average number of days above 65°F over 48 years	days	176	-	-	3	13	25	29	31	31	28	15	1	-
Average number of clear days over 47 years	days	109	4	4	6	6	8	10	19	17	15	10	5	4
Average snow cover over 53 years	in	1.0	3.0	1.0	-	-	-	-	-	-	-	-	-	2.0
Heating degree days over 30 years	days	5967	1094	801	682	468	255	90	19	38	169	468	792	1091
Cooling degree days over 30 years	days	458	-	-	-	-	7	78	171	162	40	-	-	-
Average number of cloudy days over 47 years	days	164	22	18	17	15	12	10	4	6	7	13	19	22
Average number of partly cloudy days over 47 years	days	92	5	6	8	9	11	10	8	8	8	8	6	5
Average number of days below 5°F over 48 years	days	7	4	1	-	-	-	-	-	-	-	-	-	2

Check weather averages for nearby locations (some locations might offer more data):

Latitude: 46°34'N, Longitude: 120°31'W, Elevation: 1066.0 ft, Distance: 2.31 mi

Latitude: 46°26'N, Longitude: 120°25'W, Elevation: 850.0 ft, Distance: 12.67 mi

Latitude: 46°23'N, Longitude: 120°44'W, Elevation: 970.0 ft, Distance: 17.59 mi

Latitude: 46°31'N, Longitude: 120°10'W, Elevation: 1550.0 ft, Distance: 18.35 mi

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Weather Averages Ahtanum, WA