La Isabela weather by month & the best time to visit
Dominican Republic · major coastal city · semi-arid climate
The best time to visit La Isabela is January — its sunniest month (Sunshine Score 92/100), with February and March close behind. La Isabela averages about 2,867 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 24 mm of rain in January.
When is the best time to visit La Isabela?
For sunshine, the best time to visit La Isabela is January, then February and March. The dullest month is May (83/100, 68 mm of rain). The full month-by-month picture is in the table below.
How sunny is La Isabela?
La Isabela gets a lot of sun: around 2,867 hours a year. Conditions barely change through the year — only 9 Sunshine Score points separate January from May. It ranks #5 of 7 destinations in Dominican Republic for annual sunshine, right at the national median of 2,867 hours. The year's 580 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 92 | 29° / 84°F | 21° / 70°F | 24 mm | 8 | 28° / 82°F |
| February | 92 | 30° / 86°F | 21° / 70°F | 21 mm | 9 | 27° / 81°F |
| March | 92 | 31° / 88°F | 22° / 72°F | 22 mm | 11 | 28° / 82°F |
| April | 89 | 31° / 88°F | 23° / 73°F | 40 mm | 11 | 28° / 82°F |
| May | 83 | 31° / 88°F | 24° / 75°F | 68 mm | 10 | 29° / 84°F |
| June | 87 | 31° / 88°F | 25° / 77°F | 48 mm | 10 | 30° / 86°F |
| July | 86 | 32° / 90°F | 25° / 77°F | 55 mm | 10 | 30° / 86°F |
| August | 83 | 32° / 90°F | 25° / 77°F | 68 mm | 10 | 30° / 86°F |
| September | 85 | 32° / 90°F | 25° / 77°F | 60 mm | 10 | 31° / 88°F |
| October | 84 | 31° / 88°F | 25° / 77°F | 64 mm | 9 | 31° / 88°F |
| November | 83 | 30° / 86°F | 23° / 73°F | 68 mm | 8 | 29° / 84°F |
| December | 88 | 30° / 86°F | 22° / 72°F | 42 mm | 7 | 29° / 84°F |
Sea temperature in La Isabela by month
The sea off La Isabela is warmest in September at around 31°C / 88°F, and coolest in February at 27°C / 81°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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La Isabela: questions and answers
What kind of destination is La Isabela?
La Isabela is a major coastal city in Dominican Republic with a semi-arid climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does La Isabela get a year?
La Isabela gets about 2,867 hours of sunshine a year, at its best around January.
When is the best time to visit La Isabela?
The sunniest time to visit La Isabela is January, when the Sunshine Score peaks at 92/100 (with February and March close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in La Isabela?
May is the least sunny month in La Isabela, scoring 83/100 with about 68 mm of rain.
What is the sea temperature in La Isabela?
The sea in La Isabela ranges from about 27°C (February) to 31°C (September). Month-by-month sea temperatures are on this page.
How strong is the sun in La Isabela?
The typical midday UV index in La Isabela peaks around 11 (extreme) in March, easing to about 7 (high) in December. Month-by-month midday UV values are in the UV column of the table on this page.
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