Weather Averages for Johnston Island Johnston Atoll Airport, United States Minor Outlying Islands

7-day Forecast / 10-day Forecast

Monday
	High: 81°F Low: 78°F
Partly Cloudy

Tuesday
	High: 80°F Low: 76°F
Patchy rain nearby

Wednesday
	High: 81°F Low: 77°F
Sunny

Thursday
	High: 81°F Low: 77°F
Sunny

Friday
	High: 80°F Low: 77°F
Partly Cloudy

Latitude: 16°44'N, Longitude: 169°31'W, Elevation: 16.0 ft, Distance: 1.10 mi Johnston Island Johnston Atoll Airport, United States Minor Outlying Islands Averages »

	Unit	Year	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Average temperature over 9 years	°F	78	77	77	77	78	78	80	80	82	82	80	80	78
Average high temperature over 9 years	°F	82	80	80	80	82	82	84	84	84	84	84	82	80
Average low temperature over 9 years	°F	75	73	73	73	73	75	75	77	78	78	77	75	75
Highest recorded temperature over 9 years	°F	89	86	84	84	86	87	87	87	87	89	89	89	84
Lowest recorded temperature over 9 years	°F	62	62	66	68	68	69	69	71	69	71	69	69	68
Average number of rainy days over 9 years	days	144	11	10	10	14	12	11	13	11	12	13	13	14
Average precipitation over 9 years	in	27.6	5.6	2.1	2.3	2.6	1.1	0.9	1.3	1.3	1.7	2.3	1.9	3.6
Average dew point over 10 years	°F	71	68	68	69	69	71	71	71	73	73	73	71	69
Average number of days with thunderstorms over 9 years	days	5	1	-	1	1	-	-	-	-	-	1	-	1
Average morning relative humidity over 10 years	%	80.1	78.7	78.1	80	80.2	79.7	79.3	80	81.6	81.8	81.2	81	79.3
Average evening relative humidity over 10 years	%	72.8	71.2	70.9	72.3	72.9	71.8	71.4	72	73.8	74.2	74.1	75.2	73.3
Average wind speed over 12 years	mph	11.0	16.0	18.0	18.0	17.0	16.0	17.0	16.0	14.0	16.0	17.0	18.0	16.0
Average number of clear days over 24 years	days	99	13	11	11	7	6	7	6	6	6	7	7	11
Most rain reported in a day over 9 years	in	9.8	9.8	4.2	3.5	2.8	1.2	0.9	1.2	1.0	1.5	3.2	2.8	3.1
Most rain reported in a month over 9 years	in	35.1	12.9	5.1	5.7	9.5	2.0	1.7	2.0	2.9	2.9	5.0	6.7	6.8
Least rain reported in a month over 9 years	in	12.6	0.4	0.3	0.7	0.8	0.2	0.3	0.4	0.3	0.3	0.6	0.5	0.2
Heating degree days over 37 years	days	1	1	-	-	-	-	-	-	-	-	-	-	-
Cooling degree days over 37 years	days	5442	391	344	399	408	456	472	515	536	520	520	460	421
Average possibility of sunshine over 22 years	%	71	70	74	74	70	74	78	79	76	73	65	59	62
Average number of partly cloudy days over 24 years	days	159	14	13	14	12	13	15	16	14	13	12	12	13
Average number of days above 85°F over 12 years	days	9	1	1	1	4	8	17	24	23	17	6	1	104
Average possibility of clouds over 10 years	%	43.2	29.7	31.2	33.1	51	48.6	47.1	44.7	48.3	47.8	48.1	51.6	37
Most snow reported in a day over 9 years	in	-	-	-	-	-	-	-	-	-	-	-	-	-
Average wet bulb point over 10 years	°F	73	71	71	71	71	73	73	75	75	75	75	73	71
Average number of days below 70°F over 9 years	days	8	3	1	1	1	1	-	-	-	-	-	1	-

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

Latitude: 19°1'N, Longitude: 169°55'W, Elevation: 72.0 ft, Distance: 159.76 mi

Latitude: 21°1'N, Longitude: 175°12'W, Elevation: 7.0 ft, Distance: 474.07 mi

Latitude: 16°1'N, Longitude: 179°58'W, Elevation: 207.0 ft, Distance: 693.32 mi

Latitude: 22°2'N, Longitude: 159°47'W, Elevation: 14.0 ft, Distance: 733.09 mi

Back to current weather in Johnston Island Johnston Atoll Airport, United States Minor Outlying Islands »

Locations you have checked lately:

Beyond Weather

Restaurant.com Weekly Promo Offer 300 x 250