Huatulco weather by month & the best time to visit
Mexico · beach resort · tropical — wet & dry seasons climate
The best time to visit Huatulco is December — its sunniest month (Sunshine Score 96/100), with November and January close behind. Huatulco averages about 3,029 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 3 mm of rain in December.
When is the best time to visit Huatulco?
For sunshine, the best time to visit Huatulco is December, then November and January. The dullest month is April (48/100, 9 mm of rain). The full month-by-month picture is in the table below.
How sunny is Huatulco?
Huatulco is one of the sunniest places on Earth: about 3,029 hours of sunshine a year. 48 Sunshine Score points separate December (96) from April (48), so the month you pick matters. It ranks #39 of 62 destinations in Mexico for annual sunshine, below the national median of 3,138 hours. Rain has a clear season: the wettest stretch, around July, carries about 60% of the annual 886 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 87 | 33° / 91°F | 19° / 66°F | 2 mm | 9 | 28° / 82°F |
| February | 77 | 34° / 93°F | 20° / 68°F | 1 mm | 10 | 29° / 84°F |
| March | 58 | 36° / 97°F | 22° / 72°F | 5 mm | 12 | 27° / 81°F |
| April | 48 | 37° / 99°F | 23° / 73°F | 9 mm | 12 | 29° / 84°F |
| May | 53 | 36° / 97°F | 25° / 77°F | 51 mm | 10 | 28° / 82°F |
| June | 69 | 32° / 90°F | 25° / 77°F | 215 mm | 10 | 29° / 84°F |
| July | 71 | 32° / 90°F | 25° / 77°F | 139 mm | 10 | 31° / 88°F |
| August | 69 | 32° / 90°F | 25° / 77°F | 176 mm | 10 | 31° / 88°F |
| September | 69 | 31° / 88°F | 25° / 77°F | 183 mm | 10 | 31° / 88°F |
| October | 80 | 31° / 88°F | 24° / 75°F | 92 mm | 9 | 30° / 86°F |
| November | 95 | 31° / 88°F | 21° / 70°F | 10 mm | 9 | 29° / 84°F |
| December | 96 | 32° / 90°F | 20° / 68°F | 3 mm | 8 | 29° / 84°F |
Sea temperature in Huatulco by month
The sea off Huatulco is warmest in July at around 31°C / 88°F, and coolest in March 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
Head-to-head
How Huatulco compares month by month: Huatulco vs Tuxtla Gutiérrez · Huatulco vs Oaxaca · Huatulco vs Puerto Escondido · all comparisons
Huatulco: questions and answers
What kind of destination is Huatulco?
Huatulco is a beach resort in Mexico with a tropical — wet & dry seasons climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Huatulco get a year?
Huatulco gets about 3,029 hours of sunshine a year, at its best around December.
When is the best time to visit Huatulco?
The sunniest time to visit Huatulco is December, when the Sunshine Score peaks at 96/100 (with November and January close behind). Expect daytime highs around 32°C / 90°F.
What is the least sunny month in Huatulco?
April is the least sunny month in Huatulco, scoring 48/100 with about 9 mm of rain.
What is the sea temperature in Huatulco?
The sea in Huatulco ranges from about 27°C (March) to 31°C (July). Month-by-month sea temperatures are on this page.
How strong is the sun in Huatulco?
The typical midday UV index in Huatulco 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.
Put the Huatulco sunshine badge on your site
A compact badge showing Huatulco's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: