Kwajalein Climate Summary

85.3 °F / 29.6 °C
NE at 6 MPH
75%
76.6°F / 24.8 °C
29.87" (1011 mb)
10 mile(s)
clear
2017.07.22 2220 UTC

Kwajalein Climate Summary

Rain DropKwajalein’s location gives it a tropical marine climate. The atoll experiences a relatively dry windy season from mid-December to mid-May and a relatively wet calm (wind) season from mid-May to mid-November. Normal annual rainfall is approximately 100 inches; approximately 72% of the annual rainfall occurs during the wet season and 28% occurs during the dry season. On average, the prevailing wind direction is from the east-northeast during the entire year, although, winds may become more variable during the wet season, when occasional southerly or even westerly winds occur. Average wind speed is near 17 mph from December to April and near 12 mph from May to November. 

The average daily maximum temperature is 86.5ºF; the average minimum is 77.6ºF. The extreme temperatures are 97ºF and 68ºF. Average relative humidity ranges from 83% at local noon to 78% at midnight. 

Although most of the rainfall at Kwajalein comes from showers, thunderstorms are infrequent. During the modern era of record keeping, since 1919, a fully developed typhoon has never made a direct strike on Kwajalein Atoll. However, tropical storms have had significant impacts upon Kwajalein's atoll with winds ranging from 25-52mph, the table listed below details several notable tropical storms that have approached the atoll.

  Storm Name      Year    Month   Day Closest Point of
Approach at Kwaj

[nmi]
Max Sustained
Wind at Kwaj

[kt]
Max Wind
Gust at Kwaj

[kt]
Lowest Pressure
at Kwaj

[mb]
 Kit ? ? ? ?
 Lola ? ? ? ?
 Mamie ? ? ? ?
 Ophellia 1958  ? ? ? ?
 Phyliss 1969  ? ? ? ?
 Mary 1977  ? ? ? ?
 Rita 1978  ? ? ? ?
 Alice 1979  40 42 56 ?
 Freda 1981  12  ? 31 43 ?
 Pamela 1982  11  26  18 43 58 ?
 Norris 1986  12  22  ? 31 42 ?
 Roy 1988  35 43 57 991.5
 Owen 1990  11  21  ? 22 35 ?
 Zelda 1991  11  29  19 52 71 990.1
 Axel 1992  ? 30 46 ?
 Gay 1992  11  18  110 25 30 1001.0
 Paka 1997  12  11  83 39 47 1003.1
 Talas 2004  12    10/11  16 40 56 1002.9
 Bavi 2015  11/12  97 36 44 997.2

Tropical Depression: <= 38mph (33kts)
Tropical Storm: 39-73mph (34-63kts)
Typhoon: 74-110mph (64-95kts)
Super Typhoon: >= 150mph (130kts)