Climate Change Chart of Salvador, Brazil

Overview of climate changes

Temperature changes

Averaged across calendar months, monthly mean temperature shows a difference of +1.04 °C compared with the earlier reference period; this is an unweighted mean of monthly means, not a day-weighted annual average or a measure of daytime maximum temperatures. July records the largest monthly increase in mean temperature, with a difference of +1.69 °C. This identifies the strongest monthly increase among the supplied temperature differences, rather than a change shared by every month.

Changes in rainfall

Averaged across calendar months, mean daily rainfall has a difference of -0.12 mm/day compared with the earlier reference period. This unweighted mean summarizes monthly daily averages; it is not a day-weighted annual average or a monthly rainfall total. The largest monthly decrease in mean daily rainfall is in July, with a difference of -1.29 mm/day. By contrast, December has the largest monthly increase, a difference of +0.75 mm/day; these describe distinct monthly changes, not the rainfall received on every day in those months.

Changes in sunshine duration

Averaged across calendar months, mean daily sunshine duration has a difference of -0.17 hours/day. This is an unweighted summary of monthly mean daily hours, not a day-weighted annual average, and does not imply the same change in every month. The largest monthly decrease in mean daily sunshine is shared by June / December, with a difference of -0.49 hours/day. The largest increase occurs in March, at a difference of +0.13 hours/day, showing that monthly differences vary in direction.