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The mean monthly temperature is 24 °C (75 °F) and the average monthly variation is 7.2 °C (13.0 °F). The daily average maximum temperature is 30 °C (86 °F) from February to April. The daily average minimum temperature is 18 °C (64 °F) in September. There are 2343 sunshine hours in an average year. [15]
Warm water to the south of the Hawaiian Islands around November allowed a late tropical disturbance to develop into Hurricane Iwa, [13] which became the sixth wettest tropical cyclone ever recorded in Hawaii, and the costliest up to that point, [14] causing damage totaling $312 million (1982 USD, $985 million 2025 USD) [15] and leaving 500 ...
Within the Samoan Islands, below average rainfall and higher than normal temperatures are recorded during El Niño events, which can lead to droughts and forest fires on the islands. [219] Other impacts include a decrease in the sea level, possibility of coral bleaching in the marine environment and an increased risk of a tropical cyclone ...
This is a list of countries and sovereign states by temperature. Average yearly temperature is calculated by averaging the minimum and maximum daily temperatures in the country, averaged for the years 1991 – 2020, from World Bank Group , derived from raw gridded climatologies from the Climatic Research Unit .
The ocean temperature plays a crucial role in the global climate system, ocean currents and for marine habitats. It varies depending on depth, geographical location and season. Not only does the temperature differ in seawater, so does the salinity. Warm surface water is generally saltier than the cooler deep or polar waters. [1]
During January 2014, after surveying various climate models, the World Meteorological Organization warned that there was an enhanced possibility of a weak El Niño event happening during 2014. [13] Over the next few months the climate of the Pacific Ocean started to exhibit features that suggested the impending onset of an El Niño event. [14]
Weather also changes as altitude increases on the larger islands. Temperature decreases gradually with altitude, while precipitation increases due to the condensation of moisture from clouds on the slopes. This pattern of generally wet highlands and drier lowlands affects the plant life on the larger islands.
March is typically the warmest and wettest month, with temperatures as high as 30°C and as much as 80 mm of rainfall. [1] Temperature and rainfall vary with elevation, creating a range of microclimates on the higher islands. Average annual temperature declines an average of 0.9°C for every 100 meters of elevation, and rainfall increases.