Climate Change Chart of Aveiro, Portugal
Comprehensive Climate Change Chart of Aveiro, Portugal: Monthly Averages and Impact Trends
For Aveiro, Portugal, the climate data compare 1940–1950 with 2013–2023.
Mean daily sunshine duration averaged across calendar months had a difference of -0.38 hours/day. The monthly mean difference was not uniform: the largest decrease was in October, with a difference of -0.68 hours/day, while the largest increase was in February, with a difference of +0.01 hours/day.
Overview of climate changes
Changes in sunshine duration
Mean daily sunshine duration averaged across calendar months had a difference of -0.38 hours/day. The monthly mean difference was not uniform: the largest decrease was in October, with a difference of -0.68 hours/day, while the largest increase was in February, with a difference of +0.01 hours/day. These are comparisons of mean daily hours, not a description of sunshine on every individual day; the overall mean is unweighted across calendar-month means rather than day-weighted.
Changes in rainfall
Averaged across calendar months, mean daily rainfall had a difference of +0.23 mm/day. This unweighted comparison of monthly means describes daily amounts averaged within each calendar month, not monthly rainfall totals or a day-weighted annual average. The largest monthly increase was in October, with a difference of +1.66 mm/day; the largest monthly decrease was in February, with a difference of -0.87 mm/day. The opposing monthly changes underline why the mean difference should not be read as a uniform change throughout the year.
Temperature changes
Averaged across calendar months, monthly mean temperature shows a difference of +0.12 °C; this is an unweighted comparison of the monthly means, not a day-weighted annual average or a measure of daytime maximum temperatures. The largest monthly increase was in December, with a difference of +1.07 °C, while the largest monthly decrease was in June, with a difference of -0.67 °C. These monthly contrasts show that the small overall mean difference does not describe every month.
Changes in snowfall
The unweighted mean difference in mean daily snowfall, averaged across calendar months, is 0.00 mm/day at the displayed precision. That rounded equality does not establish that snowfall was absent or that every monthly value was unchanged. The largest monthly increase was in January, with a difference of +0.01 mm/day; snowfall figures here are mean daily amounts, not monthly totals.
Climate Change Data Overview for Aveiro, Portugal
Explore the comprehensive climate change data for Aveiro, Portugal. This detailed table provides valuable insights into temperature variations, precipitation levels, and seasonal changes influenced by climate change, helping you understand the unique weather patterns of this region.
Temperature °C
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 9.66 | 9.98 | 0.33 |
| Feb | 10.52 | 10.88 | 0.36 |
| Mar | 12.69 | 12.30 | -0.39 |
| Apr | 14.57 | 14.31 | -0.26 |
| May | 15.76 | 16.82 | 1.06 |
| Jun | 19.41 | 18.74 | -0.67 |
| Jul | 20.64 | 20.72 | 0.08 |
| Aug | 21.01 | 20.59 | -0.43 |
| Sep | 19.65 | 19.66 | 0.01 |
| Oct | 16.93 | 17.32 | 0.39 |
| Nov | 13.47 | 13.34 | -0.13 |
| Dec | 10.38 | 11.45 | 1.07 |
| ⌀ Month | 15.39 | 15.51 | 0.12 |
Sunshine (h) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 6.60 | 6.37 | -0.23 |
| Feb | 7.81 | 7.82 | 0.01 |
| Mar | 9.42 | 8.86 | -0.56 |
| Apr | 11.11 | 10.52 | -0.59 |
| May | 12.01 | 11.66 | -0.35 |
| Jun | 13.19 | 12.57 | -0.62 |
| Jul | 13.23 | 12.86 | -0.37 |
| Aug | 12.33 | 11.92 | -0.41 |
| Sep | 10.59 | 10.45 | -0.14 |
| Oct | 8.85 | 8.17 | -0.68 |
| Nov | 7.19 | 6.77 | -0.42 |
| Dec | 6.50 | 6.30 | -0.20 |
| ⌀ Month | 9.90 | 9.52 | -0.38 |
Rain (mm) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 4.86 | 4.35 | -0.51 |
| Feb | 4.26 | 3.39 | -0.87 |
| Mar | 3.79 | 3.75 | -0.04 |
| Apr | 3.02 | 3.66 | 0.64 |
| May | 2.58 | 2.25 | -0.33 |
| Jun | 0.83 | 1.42 | 0.59 |
| Jul | 0.19 | 0.27 | 0.08 |
| Aug | 0.41 | 0.28 | -0.13 |
| Sep | 1.30 | 2.29 | 0.99 |
| Oct | 3.27 | 4.93 | 1.66 |
| Nov | 4.00 | 4.85 | 0.85 |
| Dec | 4.75 | 4.63 | -0.11 |
| ⌀ Month | 2.77 | 3.01 | 0.23 |
Snow (mm) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 0.00 | 0.01 | 0.01 |
| Feb | 0.00 | 0.00 | -0.00 |
| Mar | 0.00 | 0.00 | 0.00 |
| Apr | 0.00 | 0.00 | 0.00 |
| May | 0.00 | 0.00 | 0.00 |
| Jun | 0.00 | 0.00 | 0.00 |
| Jul | 0.00 | 0.00 | 0.00 |
| Aug | 0.00 | 0.00 | 0.00 |
| Sep | 0.00 | 0.00 | 0.00 |
| Oct | 0.00 | 0.00 | 0.00 |
| Nov | 0.00 | 0.00 | 0.00 |
| Dec | 0.00 | 0.00 | 0.00 |
| ⌀ Month | 0.00 | 0.00 | 0.00 |
