Climate Change Chart of Moorea, French Polynesia

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +0.59 °C in the more recent period. This is a comparison of period averages, not evidence that temperatures rose steadily or that every month became warmer; monthly means also do not describe daytime highs. The largest monthly increase was in December, with a difference of +0.78 °C. That identifies the strongest increase among the supplied monthly comparisons, rather than describing the full range of temperatures or conditions on any particular day.

Changes in rainfall

Mean daily rainfall averaged across calendar months had a difference of +1.51 mm/day. This aggregate comparison does not mean rainfall increased by that amount in every month, and daily means should not be read as monthly totals or as a count of rainy days. The largest monthly increase in mean daily rainfall occurred in April, at a difference of +3.69 mm/day. It marks the largest increase, not necessarily the wettest month, and the averages do not show how rainfall was distributed from day to day.

Changes in sunshine duration

Mean daily sunshine duration averaged across calendar months shows a difference of -0.65 hours/day. The largest monthly decrease was in February, with a difference of -1.17 hours/day; these comparisons describe average sunshine duration, not the conditions visitors would encounter on specific dates.