Climate for Station: Francistown, North-East, Botswana
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Climate Analysis & Overview
Francistown, located in Botswana's North-East District, is experiencing a nuanced climate narrative. While the all-time temperature trends indicate a slight warming, recent data over the past decade reveals a cooling trend in high temperatures. Precipitation patterns remain highly concentrated, with a marginal increase in the Precipitation Concentration Index (PCI).
Climatic Overview of Francistown
Francistown is situated at coordinates -21.217, 27.5 and falls under the semi-arid climate classification, according to the Köppen system. This classification is characterised by hot temperatures and limited rainfall, influenced by the region's flat terrain and proximity to the Kalahari Desert. The all-time temperature trends reveal a warming pattern, with highs increasing by 0.28°C (0.50°F) and lows by 0.11°C (0.20°F). These figures suggest a gradual rise in temperatures over the long term, aligning with global warming trends observed in similar semi-arid regions.
Recent Cooling Trends
Despite the long-term warming, the last decade has shown a reversal in high temperature trends, with a decline of 1.52°C (2.74°F). This cooling trend is significant and may be attributed to localised climatic variations or changes in land use that affect heat retention. Meanwhile, the low temperatures have remained relatively stable, with a negligible decrease of 0.01°C (0.02°F). This recent cooling of high temperatures contrasts with the all-time warming trend, highlighting the complexity of climate dynamics in Francistown.
Temperature Extremes
Francistown has recorded some of the most extreme temperatures in Botswana. The highest recorded temperature is 45.6°C (114.1°F), while the lowest is -5.5°C (22.1°F). These extremes reflect the region's susceptibility to intense heat waves and cold snaps, typical of semi-arid climates. Such temperature variability can have profound impacts on agriculture and water resources, critical components of the local economy.
Precipitation Patterns and Concentration
The Precipitation Concentration Index (PCI) for Francistown has seen a marginal increase from a baseline of 22.44 to a current value of 22.50. The PCI measures how rainfall is distributed throughout the year, with higher values indicating that precipitation occurs in fewer, more intense events. This slight increase suggests that rainfall in Francistown is becoming even more concentrated, which can exacerbate drought conditions and increase the risk of flooding during heavy rainfalls.
Regional Climate Goals and Considerations
Botswana is actively working towards sustainable climate goals, focusing on adaptation and resilience in response to climate variability. Francistown's climate data provides essential insights into these efforts, as understanding local trends is crucial for effective policy-making. Recent weather events, such as unexpected cold fronts or intense rainstorms, underscore the need for robust climate strategies that address both long-term warming and short-term variability.
Station Statistics
10-Year Trend
High: -1.52 °C/decade
Low: -0.01 °C/decade
Rain: +0.28 mm/decade
25-Year Trend
High: -0.19 °C/decade
Low: +0.27 °C/decade
Rain: -0.07 mm/decade
50-Year Trend
High: +0.15 °C/decade
Low: +0.19 °C/decade
Rain: +0.03 mm/decade
All-Time Trend
High: +0.28 °C/decade
Low: +0.11 °C/decade
Rain: +0.02 mm/decade
Percentage Above-Average Days
Last 12 Months: 34.2%
This Year: 18.5%
Precipitation Concentration Index (PCI) ℹ️
Last 12 Months: 24.4
Historical Average: 24.1
Percentile Rank of Last 12 Months ℹ️
High: 23rd percentile
Low: 98th percentile
Rain: 92nd percentile
Change in Variance ℹ️
High: -1.7%
Low: -16.8%
Intraday: -2.6%
Data Coverage
69.0%
First Year of Data
1922
Station Location
Historical Weather Records
| Max High | Avg High | Min High | Max Avg | Avg Avg | Min Avg | Max Low | Avg Low | Min Low | Max Precipitation | Avg Precipitation | Max Snow | Avg Snow | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Record | 45.6 °C | — | 10.8 °C | 38.8 °C | — | 5.2 °C | 28.5 °C | — | -5.5 °C | 116.8 mm | — | — | — |
| January | 41.5 °C | 31.3 °C | 19.0 °C | 37.0 °C | 25.4 °C | 15.4 °C | 26.2 °C | 18.9 °C | 11.0 °C | 115.8 mm | 3.4 mm | — | — |
| February | 41.0 °C | 30.7 °C | 17.8 °C | 35.8 °C | 24.9 °C | 16.8 °C | 24.4 °C | 18.4 °C | 8.5 °C | 98.0 mm | 3.1 mm | — | — |
| March | 39.3 °C | 30.3 °C | 16.0 °C | 34.1 °C | 24.3 °C | 14.2 °C | 25.7 °C | 17.1 °C | 6.6 °C | 116.8 mm | 1.9 mm | — | — |
| April | 38.4 °C | 28.7 °C | 16.2 °C | 31.6 °C | 22.0 °C | 14.4 °C | 21.6 °C | 13.8 °C | 2.5 °C | 60.5 mm | 0.7 mm | — | — |
| May | 35.0 °C | 26.6 °C | 14.2 °C | 28.1 °C | 18.9 °C | 8.7 °C | 18.5 °C | 9.2 °C | -4.0 °C | 43.0 mm | 0.2 mm | — | — |
| June | 32.3 °C | 23.9 °C | 12.1 °C | 26.2 °C | 15.9 °C | 5.6 °C | 22.5 °C | 6.2 °C | -5.4 °C | 32.7 mm | 0.1 mm | — | — |
| July | 35.0 °C | 23.8 °C | 12.5 °C | 27.6 °C | 15.8 °C | 5.2 °C | 20.2 °C | 5.7 °C | -5.0 °C | 11.4 mm | 0.0 mm | — | — |
| August | 36.6 °C | 27.0 °C | 11.7 °C | 30.6 °C | 19.3 °C | 7.1 °C | 19.5 °C | 8.6 °C | -5.5 °C | 11.2 mm | 0.0 mm | — | — |
| September | 39.4 °C | 30.8 °C | 10.8 °C | 33.7 °C | 23.1 °C | 10.7 °C | 23.0 °C | 13.0 °C | 0.9 °C | 39.4 mm | 0.2 mm | — | — |
| October | 45.6 °C | 32.6 °C | 15.0 °C | 36.1 °C | 25.4 °C | 12.7 °C | 27.0 °C | 16.7 °C | 5.0 °C | 60.2 mm | 0.8 mm | — | — |
| November | 41.9 °C | 32.3 °C | 11.2 °C | 38.8 °C | 25.8 °C | 14.4 °C | 28.5 °C | 18.3 °C | 8.1 °C | 66.6 mm | 2.2 mm | — | — |
| December | 40.6 °C | 31.5 °C | 15.4 °C | 35.1 °C | 25.4 °C | 14.4 °C | 28.2 °C | 18.7 °C | 8.8 °C | 104.2 mm | 3.2 mm | — | — |
Data Visualisations
Remove WatermarksCurrent Year Climate Trends vs Historical
Max Temperature this Year | 1 of 6
Climate 12-Month Moving Averages
Max Temperature 12-Month MA | 1 of 6
Daily Data Points and Averages Throughout the Year
Average Max Temperature Throughout Year | 1 of 5
