Climate Change Chart of Montgomery, USA
Comprehensive Climate Change Chart of Montgomery, USA: Monthly Averages and Impact Trends
For Montgomery, USA, the climate data compare 1940–1950 with 2013–2023.
Averaged across calendar months, monthly mean temperatures show a difference of +0.77 °C between the reference periods; this is an unweighted comparison of monthly means, not a day-weighted annual average or a measure of daytime highs. The largest monthly increase was in December, with a difference of +1.53 °C compared with the earlier reference period.
Overview of climate changes
Temperature changes
Averaged across calendar months, monthly mean temperatures show a difference of +0.77 °C between the reference periods; this is an unweighted comparison of monthly means, not a day-weighted annual average or a measure of daytime highs. The largest monthly increase was in December, with a difference of +1.53 °C compared with the earlier reference period. By contrast, January had the largest monthly decrease, a difference of -0.30 °C. These monthly extremes show that changes were not identical across calendar months.
Changes in rainfall
Mean daily rainfall, rather than monthly rainfall totals, had an unweighted average difference of +0.42 mm/day across calendar months, indicating a higher average in the more recent period. This aggregate does not mean that every month was wetter. The largest monthly increase occurred in October, at a difference of +1.52 mm/day. In July, mean daily rainfall instead had its largest decrease, with a difference of -1.07 mm/day compared with the earlier period.
Changes in sunshine duration
Mean daily sunshine duration averaged across calendar months had a difference of +0.10 hours/day in the more recent period. This unweighted average describes the monthly means collectively, not every month or an annual total. September recorded the largest monthly increase, a difference of +0.75 hours/day. The largest monthly decreases were tied in June / October, each with the same reported difference of -0.41 hours/day.
Changes in snowfall
Mean daily snowfall, not monthly totals, had an unweighted average difference of -0.03 mm/day across calendar months. Because the comparison is between rounded period averages, this reported difference describes the aggregate at the displayed precision and does not indicate that snowfall was absent. The largest monthly decrease was in January, with a difference of -0.36 mm/day. In December, snowfall instead registered its largest monthly increase, a difference of +0.06 mm/day.
Climate Change Data Overview for Montgomery, USA
Explore the comprehensive climate change data for Montgomery, USA. 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 | 9.03 | 8.73 | -0.30 |
| Feb | 10.17 | 11.60 | 1.43 |
| Mar | 13.42 | 14.55 | 1.13 |
| Apr | 17.63 | 18.12 | 0.49 |
| May | 22.04 | 22.62 | 0.58 |
| Jun | 26.19 | 26.29 | 0.10 |
| Jul | 26.51 | 27.75 | 1.25 |
| Aug | 26.60 | 27.57 | 0.97 |
| Sep | 24.26 | 25.71 | 1.45 |
| Oct | 19.85 | 20.26 | 0.41 |
| Nov | 13.39 | 13.56 | 0.18 |
| Dec | 9.72 | 11.26 | 1.53 |
| ⌀ Month | 18.23 | 19.00 | 0.77 |
Sunshine (h) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 6.47 | 6.75 | 0.28 |
| Feb | 7.07 | 6.90 | -0.17 |
| Mar | 7.97 | 8.44 | 0.46 |
| Apr | 9.39 | 9.69 | 0.30 |
| May | 11.10 | 11.01 | -0.09 |
| Jun | 11.63 | 11.22 | -0.41 |
| Jul | 10.57 | 11.24 | 0.67 |
| Aug | 10.75 | 10.44 | -0.31 |
| Sep | 9.33 | 10.08 | 0.75 |
| Oct | 9.24 | 8.83 | -0.41 |
| Nov | 7.50 | 7.49 | -0.01 |
| Dec | 5.95 | 6.05 | 0.10 |
| ⌀ Month | 8.91 | 9.01 | 0.10 |
Rain (mm) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 3.61 | 3.62 | 0.01 |
| Feb | 4.02 | 4.83 | 0.80 |
| Mar | 4.53 | 3.51 | -1.03 |
| Apr | 3.11 | 4.03 | 0.91 |
| May | 2.53 | 3.19 | 0.66 |
| Jun | 2.30 | 3.73 | 1.43 |
| Jul | 4.03 | 2.97 | -1.07 |
| Aug | 2.72 | 3.51 | 0.79 |
| Sep | 2.00 | 2.35 | 0.35 |
| Oct | 1.05 | 2.57 | 1.52 |
| Nov | 3.15 | 3.03 | -0.12 |
| Dec | 3.86 | 4.64 | 0.78 |
| ⌀ Month | 3.08 | 3.50 | 0.42 |
Snow (mm) / day
| Month | ⌀ 1940 - 1950 | ⌀ 2013 - 2023 | +/- |
|---|---|---|---|
| Jan | 0.59 | 0.23 | -0.36 |
| Feb | 0.00 | 0.00 | 0.00 |
| Mar | 0.00 | 0.01 | 0.01 |
| 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 | 0.01 | 0.00 | -0.01 |
| Dec | 0.00 | 0.06 | 0.06 |
| ⌀ Month | 0.05 | 0.02 | -0.03 |
