Gao weather by month & the best time to visit
Mali · regional city · hot desert climate

The best time to visit Gao is January — its sunniest month (Sunshine Score 100/100), with December close behind. Gao averages about 3,612 hours of sunshine a year. Daytime highs around 30°C / 86°F and roughly 0 mm of rain in January.
When is the best time to visit Gao?
For sunshine, the best time to visit Gao is January, then December. The dullest month is May (0/100, 4 mm of rain). The full month-by-month picture is in the table below.
How sunny is Gao?
Gao is one of the sunniest places on Earth: about 3,612 hours of sunshine a year. 100 Sunshine Score points separate January (100) from May (0), so the month you pick matters. Gao is the sunniest of the 5 destinations tracked in Mali. Rain is strongly seasonal here: roughly 87% of the year's 322 mm falls in the three months around August.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 100 | 30° / 86°F | 13° / 55°F | 0 mm | 8 |
| February | 80 | 34° / 93°F | 16° / 61°F | 0 mm | 9 |
| March | 40 | 38° / 100°F | 20° / 68°F | 0 mm | 11 |
| April | 10 | 41° / 106°F | 25° / 77°F | 1 mm | 11 |
| May | 0 | 43° / 109°F | 29° / 84°F | 4 mm | 11 |
| June | 0 | 42° / 108°F | 29° / 84°F | 29 mm | 10 |
| July | 25 | 39° / 102°F | 27° / 81°F | 88 mm | 10 |
| August | 52 | 35° / 95°F | 25° / 77°F | 143 mm | 11 |
| September | 45 | 37° / 99°F | 25° / 77°F | 50 mm | 11 |
| October | 39 | 38° / 100°F | 23° / 73°F | 7 mm | 10 |
| November | 70 | 35° / 95°F | 19° / 66°F | 0 mm | 8 |
| December | 100 | 31° / 88°F | 15° / 59°F | 0 mm | 8 |
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Gao: questions and answers
What kind of destination is Gao?
Gao is a regional city in Mali with a hot desert climate.
How many hours of sunshine does Gao get a year?
Gao gets about 3,612 hours of sunshine a year, at its best around January.
When is the best time to visit Gao?
The sunniest time to visit Gao is January, when the Sunshine Score peaks at 100/100 (with December close behind). Expect daytime highs around 30°C / 86°F.
What is the least sunny month in Gao?
May is the least sunny month in Gao, scoring 0/100 with about 4 mm of rain.
Is Gao the sunniest place in Mali?
Yes — with about 3,612 hours of sunshine a year, Gao has the most annual sunshine of the 5 Mali destinations tracked by Sunshine Atlas.
How strong is the sun in Gao?
The typical midday UV index in Gao peaks around 11 (extreme) in March, easing to about 8 (very high) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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