Country

Nauru

Explore historical and projected climate data, climate data by sector, impacts, key vulnerabilities and what adaptation measures are being taken. Explore the overview for a general context of how climate change is affecting Nauru.

Current Climate Climatology

This page presents Nauru's climate context for the current climatology, 1991-2020, derived from observed, historical data. Information should be used to build a strong understanding of current climate conditions in order to appreciate future climate scenarios and projected change. You can visualize data for the current climatology through spatial variation, the seasonal cycle, or as a time series. Analysis is available for both annual and seasonal data. Data presentation defaults to national-scale aggregation, however sub-national data aggregations can be accessed by clicking within a country, on a sub-national unit.  Other historical climatologies can be selected from the Time Period dropdown list. Data for  specific coordinates can be downloaded for in the Data Download page.

Observed, historical data is produced by the Climatic Research Unit (CRU) of University of East Anglia. Data is presented at a 0.5º x 0.5º (50km x 50km) resolution.

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Climate Data Historical

Typical of the Pacific region Nauru has an extremely warm climate, with temperatures averaging 28°C all year round. Humidity averages around 80%. Rainfall peaks between December and April, averaging 200 millimeters (mm) per month, then falls to around 100 mm per month between June and November. Climate, and particularly inter-annual precipitation variation, are influenced strongly by the El Niño-Southern Oscillation (ENSO). ENSO has a complex relationship with climate but can be a driver of both drought and flood events as well as regional sea-levels. 

Temperature

  • Temperatures have been rising in the region at around 0.12°C per decade since the 1970s. 
  • Up to the 1990s there was limited warming in the region.
  • From 1995 warming accelerated, and temperatures between 2014 and 2018 were averaging around 0.5°C -0.6°C above the long-term average. 

Precipitation

  • No changes in rainfall patterns significantly outside the range of normal inter-annual variation have been documented and linked to human-induced climate changes.
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