Climate Change Chart of Tanna, Vanuatu
Comprehensive Climate Change Chart of Tanna, Vanuatu: Monthly Averages and Impact Trends
For Tanna, Vanuatu, the climate data compare 1940–1950 with 2013–2023.
Across calendar months, monthly mean temperature shows a difference of +0.53 °C in the more recent period; this unweighted average describes the month-by-month means, not a continuous trend or typical daytime highs. The largest monthly increase was in November, with a difference of +0.87 °C.
Overview of climate changes
Temperature changes
Across calendar months, monthly mean temperature shows a difference of +0.53 °C in the more recent period; this unweighted average describes the month-by-month means, not a continuous trend or typical daytime highs. The largest monthly increase was in November, with a difference of +0.87 °C.
Changes in rainfall
Mean daily rainfall averaged across calendar months had a difference of +0.17 mm/day. This is an average of daily amounts, not a change in monthly totals or a measure of how often rain fell. The month-to-month pattern was not uniform: March had the largest decrease, a difference of -2.97 mm/day, while May had the largest increase, a difference of +2.37 mm/day.
Changes in sunshine duration
Mean daily sunshine duration averaged across calendar months had a difference of -0.03 hours/day, a small change in the overall monthly-mean average. That average conceals contrasting monthly differences: sunshine increased most in March, with a difference of +0.40 hours/day, and decreased most in October, with a difference of -0.59 hours/day.
Climate Change Data Overview for Tanna, Vanuatu
Explore the comprehensive climate change data for Tanna, Vanuatu. 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 | 23.11 | 23.41 | 0.30 |
| Feb | 23.18 | 24.04 | 0.86 |
| Mar | 23.09 | 23.53 | 0.44 |
| Apr | 22.19 | 22.83 | 0.64 |
| May | 20.75 | 21.32 | 0.57 |
| Jun | 20.07 | 20.30 | 0.23 |
| Jul | 19.02 | 19.53 | 0.51 |
| Aug | 19.10 | 19.30 | 0.21 |
| Sep | 19.26 | 19.76 | 0.50 |
| Oct | 20.30 | 20.84 | 0.54 |
| Nov | 21.06 | 21.93 | 0.87 |
| Dec | 22.24 | 22.96 | 0.71 |
| ⌀ Month | 21.11 | 21.65 | 0.53 |
Sunshine (h) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 10.67 | 10.32 | -0.36 |
| Feb | 10.62 | 10.66 | 0.04 |
| Mar | 9.58 | 9.98 | 0.40 |
| Apr | 9.26 | 9.41 | 0.15 |
| May | 9.40 | 9.10 | -0.30 |
| Jun | 8.62 | 8.99 | 0.36 |
| Jul | 8.88 | 8.90 | 0.03 |
| Aug | 8.98 | 9.36 | 0.38 |
| Sep | 9.43 | 9.70 | 0.28 |
| Oct | 10.63 | 10.04 | -0.59 |
| Nov | 11.54 | 11.07 | -0.47 |
| Dec | 11.28 | 11.06 | -0.22 |
| ⌀ Month | 9.91 | 9.88 | -0.03 |
Rain (mm) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 7.36 | 9.09 | 1.73 |
| Feb | 7.65 | 7.32 | -0.33 |
| Mar | 11.42 | 8.45 | -2.97 |
| Apr | 7.59 | 6.31 | -1.28 |
| May | 3.23 | 5.60 | 2.37 |
| Jun | 3.61 | 2.46 | -1.15 |
| Jul | 2.30 | 2.15 | -0.15 |
| Aug | 3.17 | 2.97 | -0.20 |
| Sep | 4.41 | 2.81 | -1.60 |
| Oct | 2.61 | 4.92 | 2.30 |
| Nov | 2.70 | 4.55 | 1.84 |
| Dec | 4.38 | 5.92 | 1.54 |
| ⌀ Month | 5.04 | 5.21 | 0.17 |
Snow (mm) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 0.00 | 0.00 | 0.00 |
| 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 |
