Mukalla(Riyan) weather by month & the best time to visit
Yemen · coastal city break · hot desert climate
The best time to visit Mukalla(Riyan) is January — its sunniest month (Sunshine Score 100/100), with February and May close behind. Mukalla(Riyan) averages about 3,454 hours of sunshine a year. Daytime highs around 26°C / 79°F and roughly 0 mm of rain in January.
When is the best time to visit Mukalla(Riyan)?
For sunshine, the best time to visit Mukalla(Riyan) is January, then February and May. The dullest month is June (80/100, 1 mm of rain). The full month-by-month picture is in the table below.
How sunny is Mukalla(Riyan)?
Mukalla(Riyan) is one of the sunniest places on Earth: about 3,454 hours of sunshine a year. January (100/100) is noticeably better than June (80). It ranks #4 of 7 destinations in Yemen for annual sunshine, right at the national median of 3,454 hours. Rain is a non-event in Mukalla(Riyan) — about 18 mm in a typical year.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 100 | 26° / 79°F | 22° / 72°F | 0 mm | 9 | 27° / 81°F |
| February | 100 | 26° / 79°F | 23° / 73°F | 1 mm | 10 | 27° / 81°F |
| March | 99 | 28° / 82°F | 24° / 75°F | 2 mm | 12 | 28° / 82°F |
| April | 99 | 30° / 86°F | 26° / 79°F | 2 mm | 12 | 30° / 86°F |
| May | 100 | 32° / 90°F | 28° / 82°F | 1 mm | 11 | 31° / 88°F |
| June | 80 | 34° / 93°F | 30° / 86°F | 1 mm | 10 | 29° / 84°F |
| July | 89 | 33° / 91°F | 29° / 84°F | 2 mm | 10 | 24° / 75°F |
| August | 99 | 32° / 90°F | 28° / 82°F | 3 mm | 11 | 22° / 72°F |
| September | 100 | 32° / 90°F | 28° / 82°F | 1 mm | 11 | 26° / 79°F |
| October | 100 | 30° / 86°F | 26° / 79°F | 1 mm | 10 | 29° / 84°F |
| November | 99 | 29° / 84°F | 25° / 77°F | 3 mm | 9 | 28° / 82°F |
| December | 100 | 27° / 81°F | 23° / 73°F | 1 mm | 8 | 27° / 81°F |
Sea temperature in Mukalla(Riyan) by month
The sea off Mukalla(Riyan) is warmest in May at around 31°C / 88°F, and coolest in August at 22°C / 72°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Mukalla(Riyan): questions and answers
What kind of destination is Mukalla(Riyan)?
Mukalla(Riyan) is a coastal city break in Yemen with a hot desert climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Mukalla(Riyan) get a year?
Mukalla(Riyan) gets about 3,454 hours of sunshine a year, at its best around January.
When is the best time to visit Mukalla(Riyan)?
The sunniest time to visit Mukalla(Riyan) is January, when the Sunshine Score peaks at 100/100 (with February and May close behind). Expect daytime highs around 26°C / 79°F.
What is the least sunny month in Mukalla(Riyan)?
June is the least sunny month in Mukalla(Riyan), scoring 80/100 with about 1 mm of rain.
What is the sea temperature in Mukalla(Riyan)?
The sea in Mukalla(Riyan) ranges from about 22°C (August) to 31°C (May). Month-by-month sea temperatures are on this page.
How strong is the sun in Mukalla(Riyan)?
The typical midday UV index in Mukalla(Riyan) peaks around 12 (extreme) in March, easing to about 8 (very high) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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