Gao, Mali experiences average highs of 38°C (100°F) and lows of 23°C (73°F) throughout the year. The climate is relatively dry, with only 2 rainy days per month on average. Sunshine is abundant, averaging about 11 hours per day. Average highs have warmed by 0.6°C (1.1°F) across the available records.
Gao, Mali Weather & Climate 2026
Monthly climate averages for Gao, Mali. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: May–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
6.6/10
Best: January, February, March, November, December
UV Index
7
High
Temperature 38°C / 23°C
Feels Like 36°C / 21°C
Rainy Days 2
Rainfall 9 mm
Sunshine 11 h
Humidity 25%
Wind Speed 22 km/h
Dew Point 6°C
Hottest Month
43°C
May
Avg Low 28°C
Rain 1 days
Coldest Month
15°C
January
Avg High 31°C
Rain 0 days
Driest Month
0 days
January
Avg High 31°C
Avg Low 15°C
Windiest Month
25 km/h
June (Gusts 41)
Worst Time to Visit
Consider avoiding May, June, July, August due to extreme heat.
Sun Position
Sunrise 05:28
Daylight 13.1h
Sunset 18:34
Live conditions —
Gao on the map · live conditions
Gao, Mali
- Continent
- Africa
- Country
- Mali
- City
- Gao
- Population
- 133.1K
- Coordinates
- 16.27°, -0.04°
Seasonal Breakdown
Spring
Mar–May
Avg High 41°C
Avg Low 25°C
Rain 0 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 39°C
Avg Low 27°C
Rain 6 days/mo
Autumn
Sep–Nov
Avg High 38°C
Avg Low 24°C
Rain 2 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 32°C
Avg Low 16°C
Rain 0 days/mo
3/3 best months
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 31°C / 15°C . Feb: 34°C / 17°C . Mar: 38°C / 21°C . Apr: 41°C / 25°C . May: 43°C / 28°C . Jun: 42°C / 29°C . Jul: 39°C / 28°C . Aug: 37°C / 26°C . Sep: 39°C / 27°C . Oct: 40°C / 25°C . Nov: 36°C / 20°C . Dec: 32°C / 17°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 0 mm. Feb: 0 mm. Mar: 0 mm. Apr: 0 mm. May: 2 mm. Jun: 8 mm. Jul: 23 mm. Aug: 56 mm. Sep: 20 mm. Oct: 2 mm. Nov: 0 mm. Dec: 0 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 15%. Feb: 13%. Mar: 11%. Apr: 12%. May: 19%. Jun: 31%. Jul: 45%. Aug: 57%. Sep: 42%. Oct: 22%. Nov: 16%. Dec: 17%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 22 km/h . Feb: 23 km/h . Mar: 22 km/h . Apr: 23 km/h . May: 23 km/h . Jun: 25 km/h . Jul: 25 km/h . Aug: 23 km/h . Sep: 21 km/h . Oct: 20 km/h . Nov: 21 km/h . Dec: 21 km/h .
Sunshine
Sunshine
Sunshine: Jan: 10h. Feb: 11h. Mar: 11h. Apr: 12h. May: 12h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 11h. Oct: 11h. Nov: 11h. Dec: 10h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 6. Feb: UV 7. Mar: UV 8. Apr: UV 8. May: UV 8. Jun: UV 8. Jul: UV 8. Aug: UV 8. Sep: UV 8. Oct: UV 7. Nov: UV 6. Dec: UV 6.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have warmed by 0.6°C (1.1°F) across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | May 2025 · 44°C | May · 43°C |
| Coldest month | Jan 2025 · 16°C | Jan · 15°C |
| Wettest month | Jul 2025 · 37 mm | Aug · 56 mm |
| Windiest month | Jun 2025 · 26 km/h | Jun · 25 km/h |
Month-by-Month Weather Table
January best
Excellent 
February best
Excellent March best
Excellent April
Fair May
Fair June
Poor July
Poor August
Poor September
Fair October
Fair November best
Excellent December best
Excellent | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 31°C / 15°C | 26°C / 10°C | 0days (0 mm) Excellent | 10h Excellent | 15% Comfortable | 6 High | Excellent | View Details |
| February best | 34°C / 17°C | 29°C / 12°C | 0days (0 mm) Excellent | 10.5h Excellent | 13% Comfortable | 6.9 High | Excellent | View Details |
| March best | 38°C / 21°C | 35°C / 16°C | 0days (0 mm) Excellent | 11h Excellent | 11% Comfortable | 7.8 Very High | Excellent | View Details |
| April | 41°C / 25°C | 39°C / 20°C | 0days (0 mm) Excellent | 11.6h Excellent | 12% Comfortable | 8.2 Very High | Fair | View Details |
| May | 43°C / 28°C | 42°C / 26°C | 1days (2 mm) Excellent | 11.8h Excellent | 19% Comfortable | 8.1 Very High | Fair | View Details |
| June | 42°C / 29°C | 42°C / 29°C | 2days (8 mm) Excellent | 11.8h Excellent | 31% Comfortable | 7.9 Very High | Poor | View Details |
| July | 39°C / 28°C | 41°C / 29°C | 6days (23 mm) Good | 11.7h Excellent | 45% Moderate | 7.8 Very High | Poor | View Details |
| August | 37°C / 26°C | 40°C / 29°C | 10days (56 mm) Wet | 11.3h Excellent | 57% Moderate | 7.7 Very High | Poor | View Details |
| September | 39°C / 27°C | 41°C / 29°C | 4days (20 mm) Good | 11.1h Excellent | 42% Moderate | 7.7 Very High | Fair | View Details |
| October | 40°C / 25°C | 38°C / 23°C | 1days (2 mm) Excellent | 10.7h Excellent | 22% Comfortable | 7.2 Very High | Fair | View Details |
| November best | 36°C / 20°C | 33°C / 16°C | 0days (0 mm) Excellent | 10.5h Excellent | 16% Comfortable | 6.3 High | Excellent | View Details |
| December best | 32°C / 17°C | 28°C / 12°C | 0days (0 mm) Excellent | 9.9h Good | 17% Comfortable | 5.7 High | Excellent | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Gao are January, February, March, November, December, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Gao, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Gao is May, with average daytime highs of 43°C (109°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Gao is January, with average overnight lows of 15°C (58°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Gao is August, averaging 56mm of precipitation across 10 rainy days. An umbrella or waterproof jacket is essential.
Gao receives approximately 132 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Gao.
The least favorable months to visit Gao are May, June, July, August, primarily due to extreme heat. For the best conditions, consider January, February, March, November, December instead.
The annual average UV index in Gao is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Gao is 25%, classified as dry. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Average wind speeds in Gao are 22 km/h (14 mph). The windiest month is June with peak winds reaching 25 km/h (15 mph) (gusts up to 41 km/h / 25 mph).
Gao averages 12 clear-sky days per month with overall cloud cover around 34%. The clearest skies occur in March.
The annual average dew point in Gao is 6°C (43°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Gao has a Hot Desert climate, classified as BWh under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Gao ranges from 21°C (70°F) to 36°C (97°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Gao, with a climate score of 4.3/10. Consider visiting during January, February, March, November, December instead for better conditions.
For June in Gao, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. With average highs of 42°C (107°F) and 2 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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