4 Billion Years On

Botswana Climate – July 2026 Update

Top 5 Cities: Gaborone, Francistown, Molepolole, Serowe, and Maun

August update · ~12–15 September

Summary

July brought mild midwinter conditions across Botswana, with average temperatures rising 1.3°C above historical norms to mark the 11th warmest month of its kind on record. The elevated warmth comes as a moderate El Niño continues to intensify in the tropical Pacific, with forecasters pointing to a 93% probability of a Very Strong event peaking in Sep-Nov. With vast fuel loads left over from recent rain, national authorities have already warned of heightened wildfire risks as dry, hot weather sets in over coming months.

This month in numbers

Botswana recorded an average temperature of 15.72°C during July 2026, sitting 1.3°C above the 1961-1990 baseline. That made it the 11th warmest corresponding month in 87 years of records, though well below the all-time peak of 16.33°C set in July 2022. Across the globe, land temperatures surged to extraordinary levels, marking the 3rd warmest July on record worldwide at 1.6°C above baseline.

What changed

The May-July season averaged 16.51°C (+0.9°C above baseline), ranking as Botswana's 19th warmest three-month period on record for that time of year. Globally, the same three-month window ranked as the 2nd warmest May-July on record (+1.5°C anomaly). Despite recent midwinter warmth, Botswana's 12-month rolling temperature anomaly of +0.41°C ranks 230th out of 232 tracked regions globally, placing it among the five coolest relative anomalies worldwide over the past year. In the long term, Botswana's annual temperatures have warmed by 0.93°C compared to the 1961-1990 baseline, led by the record hot year of 2024 at 23.42°C.

What’s driving change?

Southern African winter weather is largely steered by hemispheric pressure shifts, but the overarching background warming trend is driven by and in semi-arid environments. Tropical Pacific dynamics are also taking centre stage, with a moderate El Niño currently active in the ocean as tracked at ENSO. While El Niño typically exerts its strongest influence on Southern Africa during the summer months, its development is already sharpening seasonal outlooks across the region.

Looking ahead

Official seasonal forecasts indicate a greater than 90% chance that El Niño will dominate the upcoming summer, bringing a heightened likelihood of below-normal rainfall, prolonged dry spells, and elevated temperatures across Botswana through late 2026 and early 2027.

Generated by Gemini from climate data and web sources

At a Glance

Temperature – Average

Botswana
Global
Land + Ocean
LatestAug
+0.3°C· 43rd
17.9°C
Due ~5–25 Sep
Jul
+1.1°C· 11th
15.7°C
+1.0°C· 2nd
17.0°C
Record
16.3°C (2022)
17.0°C (2024)
May–Jul
+0.7°C· 19th
16.5°C
+1.0°C· 2nd
16.5°C
Record
17.6°C (2005)
16.5°C (2024)
2025
+0.2°C· 42nd
21.7°C
+1.0°C· 3rd
15.0°C
Record
23.4°C (2024)
15.2°C (2024)
Headline: anomaly vs your selected baseline (falls back to the 1961–1990 mean for a column without enough history for it) · Small figure: the actual value · Record = value on record for the ranking above

Climate Map – Global

Source: NOAA Climate at a Glance (countries & continents) · Met Office (UK) · US states & climate regions. Anomalies are vs the 1961–1990 baseline. See methodology.

Typical Climate – Botswana

Köppen BSh · Arid

Botswana has a arid climate (Köppen BSh: Hot steppe), with both a warm/cold cycle and a wet/dry cycle through the year. November is typically the warmest month, averaging 26.7°C, while July is the coldest at 15.2°C. Annual precipitation averages around 379mm, concentrated mostly in the wet season.

Warmest month
Nov 27°C
Coldest month
Jul 15°C
Annual rainfall
379mm
Wettest month
Feb 84mm

Monthly climate normals (20162025) - bar colour and height show average temperature, the shaded area shows average monthly precipitation.

Data: Our World in Data / NOAA (precipitation: GPCC (DWD); frost: World Bank CCKP).

Combined TimelineBotswana

Precipitation, Sunshine, Frost and Snow are converted to standard deviations from their own average so they can share an axis with Temperature.

MetricTemperature
10-Yr AverageActual Year

Data: Our World in Data / NOAA (precipitation: GPCC (DWD); frost: World Bank CCKP).

Heatwave Days – Botswana

Warm Spell Duration Index (WSDI) - days in a 6+ day run above the local 90th-percentile temperature for that time of year.

Heatwave days per year2024 (Record)10-yr avg

Data: World Bank Climate Change Knowledge Portal (ERA5-derived). Refreshed roughly 1-2x/year, ~7-8 months behind present.

Year-on-Year Trends

The 4byo Climate Helix – Botswana

1940202619611990 baselineColdest (1974)20162025 meanWarmest (2024)2026 so far
2026Aug
2024
WetDryJanFebMarAprMayJunJulAugSepOctNovDec1891-19202016-25Wet Start+6 days1891-19202016-25Wet End+5 days15°20°25°30°
Temp
20.3°C
-1.1 vs base
Precipitation
256mm
-148 vs base
Frost
days
ENSO
RONI 3-mo mean
Playback
8×
Mode
Presets

Data: Our World in Data / NOAA (precipitation: GPCC (DWD); frost: World Bank CCKP).

Monthly TemperatureBotswana

All years since 19742024 (Warmest)1974 (Coldest)2026 (Current Year)Provisional

Latest month is provisional and may be revised by the data provider in the next update cycle.

Background lines show the last 40 years (plus the record year and its opposite, wherever they fall).

Data: Our World in Data / NOAA (precipitation: GPCC (DWD); frost: World Bank CCKP).

Records – Botswana

Latest data Aug 2026
Warmest year
2024
23.4°C
Coldest year
1974
20.1°C
2026 so far
#37/87
20.3°C

Our World in Data / NOAA (precipitation: GPCC (DWD); frost: World Bank CCKP) - Anomalies vs 1901-2000 mean

Shifting Seasons

Warm/cold + wet/dryKöppen BSh · Arid

Botswana has both a clear warm/cold cycle (±5.5°C) and a wet/dry cycle (50× wet:dry ratio). Both sides of the annual rhythm are shown below.

Shifting summer
11 days Longer
Warm Season
1940–1969 Baseline: 11 Sept → 18 Apr · 219 days
2016–2025 Now: 3 Sept → 21 Apr · 230 days
J
F
M
A
M
J
J
A
S
O
N
D
Spr 8 days EarlierAut 3 days Later
Shifting wet season
1 day Shorter
Wet Season
1891–1920 Baseline: 14 Dec → 24 Feb · 72 days
2016–2025 Now: 20 Dec → 2 Mar · 71 days
J
F
M
A
M
J
J
A
S
O
N
D
Onset 6 days LaterEnd 5 days Later
-9.2% annual rain
baseline yr·recent yr·ring = global temp anomaly
Wet-season onset
14 Dec20 Dec
6 days Later
When 25% of annual rain has fallen
Wet-season end
24 Feb2 Mar
5 days Later
When 75% of annual rain has fallen
Peak-rain month
JanFeb
+1 month
Wet months: 56

Monthly precipitation climatology. A “wet month” exceeds the baseline monthly mean (dashed gold line). Biggest month-to-month shift: Jan (-24 mm, -22%).

Data: Our World in Data / NOAA (precipitation: GPCC (DWD); frost: World Bank CCKP).

Climate Systems

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Emissions & Energy

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Explore Climate Data

Data Sources

Data Sources for Botswana

Every figure on this page is sourced from official, openly published climate datasets. Anomalies are calculated against the 1961–1990 baseline (temperature) and 1991–2020 (rainfall, sunshine, frost) - see the Methodology & Sources page for the complete dataset list and update calendar.

FAQs

FAQs

How is the climate in Botswana changing?

Botswana is warming in line with the rest of the world. The page above shows the latest monthly temperature anomaly versus the 1961-1990 baseline, the long-term annual trend, and the region's rank in the historical record. The headline panel also shows the long-term trend rate per decade and the warmest and coolest years on file.

What is the climate like in Botswana?

Botswana has a arid climate (Köppen BSh: Hot steppe), with both a warm/cold cycle and a wet/dry cycle through the year. November is typically the warmest month, averaging 26.7°C, while July is the coldest at 15.2°C. Annual precipitation averages around 379mm, concentrated mostly in the wet season.

Where does the climate data for Botswana come from?

Climate data for Botswana comes from Our World in Data, sourcing Copernicus ERA5 and HadCRUT5 (national temperature anomaly) and the Global Carbon Project via Our World in Data (CO₂ emissions), refreshed every month, when the upstream temperature and rainfall data are refreshed.

What is the climate baseline used on this page?

Anomalies on this page are calculated against the 1961-1990 climatological baseline, which is the standard reference period used by the Met Office, NOAA, IPCC and most national climate services. Some panels also show the source-native 1901-2000 (NOAA) or 1991-2020 (WMO) baselines for verification. See Methodology & Sources for the full reference.

Which areas does the Botswana climate data cover?

The Botswana climate profile covers Gaborone, Francistown, Molepolole, Serowe and surrounding areas. Temperature, rainfall and emissions data for Botswana

How often is the Botswana climate update refreshed?

The Botswana climate update is refreshed monthly, typically a few days after the previous month closes and the upstream provider (Met Office HadUK-Grid, NOAA Climate at a Glance, Copernicus ERA5 or the Global Carbon Project) publishes its update. See the Climate Rankings for cross-region comparisons.

What counts as a Heatwave Day on the Botswana climate page?

Heatwave Days use the Warm Spell Duration Index (WSDI) - the WMO/ETCCDI-standard heatwave measure: days that are part of a run of 6 or more consecutive days above the local 90th-percentile temperature for that calendar day. The 90th-percentile threshold varies by time of year (a hot day in January is judged differently to one in July) but is fixed to the 1961-1990 baseline for every year shown - it does not shift as the climate warms, which is why Heatwave Days trend upward over time.

Does the Botswana climate page include frost and snow data?

Yes. Frost Days (days with a minimum temperature below 0°C, World Bank CCKP) and snow water-equivalent (GPCC) are shown alongside temperature and precipitation, each measured against the 1961-1990 baseline where a like-for-like historical comparison is available.