Weather Averages for Johnston Island, Independent States

Weather Averages for
Johnston Island, Independent States

Latitude: 19°17'N, Longitude: 166°39'E, Elevation: 12.0 ft, Distance: 258.70 mi

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 46 years	°F	80	78	77	78	78	80	82	82	82	82	82	80	78
Average high temperature over 46 years	°F	84	82	82	82	84	84	87	87	87	87	87	84	82
Average low temperature over 46 years	°F	75	73	71	73	73	75	77	77	78	78	77	75	73
Highest recorded temperature over 46 years	°F	95	89	87	89	91	91	93	93	95	95	91	89	91
Lowest recorded temperature over 46 years	°F	64	64	64	64	64	69	71	69	68	69	68	64	64
Average number of rainy days over 46 years	days	181	11	10	12	14	15	16	19	19	19	19	15	13
Average precipitation over 46 years	in	34.7	1.1	1.4	2.0	2.2	1.8	2.2	3.8	5.7	5.3	4.7	2.9	1.7
Average dew point over 44 years	°F	71	66	66	68	69	71	73	73	75	75	73	71	69
Most recorded rainfall over 46 years	in	62.4	4.3	6.5	6.9	8.4	4.5	5.4	10.7	27.7	17.7	11.7	8.5	6.9
Least recorded rainfall over 46 years	in	18.4	0.1	0.1	0.2	0.3	0.4	0.5	0.4	1.2	0.8	1.0	0.3	0.3
Average number of days with thunderstorms over 46 years	days	4	-	-	-	-	-	-	1	1	1	1	-	-
Average morning relative humidity over 45 years	%	81	77	77	79	80	82	82	82	83	83	82	80	78
Average evening relative humidity over 43 years	%	68	65	64	66	67	68	68	69	70	71	71	70	67
Average wind speed over 44 years	mph	14.0	16.0	14.0	17.0	17.0	16.0	13.0	12.0	12.0	13.0	16.0	17.0	17.0
Average number of clear days over 42 years	days	121	13	12	12	11	10	10	7	6	7	9	12	14
Cooling degree days over 30 years	days	5622	388	339	406	411	477	516	552	552	540	536	474	431
Average possibility of sunshine over 24 years	%	70	68	72	77	75	74	75	71	66	67	68	64	65
Average number of cloudy days over 42 years	days	94	5	5	5	6	7	7	13	14	12	10	5	4
Average number of partly cloudy days over 42 years	days	149	13	11	14	13	14	13	11	11	11	12	13	13
Average number of days above 85°F over 46 years	days	214	3	3	6	10	20	28	29	29	28	28	20	8
Average number of days below 75°F over 46 years	days	182	28	26	28	23	16	7	5	6	4	7	10	21

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

Latitude: 22°1'N, Longitude: 166°13'E, Elevation: 46.0 ft, Distance: 425.09 mi

Latitude: 8°44'N, Longitude: 167°44'E, Elevation: 7.0 ft, Distance: 563.15 mi

Latitude: 8°43'N, Longitude: 167°43'E, Elevation: 26.0 ft, Distance: 564.51 mi

Latitude: 18°1'N, Longitude: 178°27'E, Elevation: 30.0 ft, Distance: 597.12 mi

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Weather Averages Johnston Island, Independent States