Retalhuleu weather by month & the best time to visit
Guatemala · small town · tropical — wet & dry seasons climate
The best time to visit Retalhuleu is January — its sunniest month (Sunshine Score 93/100), with February and December close behind. Retalhuleu averages about 2,579 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 7 mm of rain in January.
When is the best time to visit Retalhuleu?
For sunshine, the best time to visit Retalhuleu is January, then February and December. The dullest month is May (67/100, 276 mm of rain). The full month-by-month picture is in the table below.
How sunny is Retalhuleu?
Retalhuleu gets a lot of sun: around 2,579 hours a year. January (93/100) is noticeably better than May (67). It ranks #2 of 6 destinations in Guatemala for annual sunshine, above the national median of 2,553 hours. Rain has a clear season: the wettest stretch, around September, carries about 49% of the annual 2,101 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 93 | 29° / 84°F | 22° / 72°F | 7 mm | 8 |
| February | 93 | 30° / 86°F | 22° / 72°F | 6 mm | 9 |
| March | 90 | 31° / 88°F | 23° / 73°F | 23 mm | 10 |
| April | 80 | 32° / 90°F | 24° / 75°F | 75 mm | 9 |
| May | 67 | 31° / 88°F | 25° / 77°F | 276 mm | 8 |
| June | 67 | 29° / 84°F | 24° / 75°F | 342 mm | 9 |
| July | 67 | 30° / 86°F | 24° / 75°F | 264 mm | 9 |
| August | 67 | 30° / 86°F | 24° / 75°F | 319 mm | 9 |
| September | 67 | 29° / 84°F | 24° / 75°F | 377 mm | 9 |
| October | 67 | 29° / 84°F | 24° / 75°F | 329 mm | 8 |
| November | 81 | 29° / 84°F | 23° / 73°F | 73 mm | 8 |
| December | 92 | 29° / 84°F | 23° / 73°F | 10 mm | 8 |
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Retalhuleu: questions and answers
What kind of destination is Retalhuleu?
Retalhuleu is a small town in Guatemala with a tropical — wet & dry seasons climate.
How many hours of sunshine does Retalhuleu get a year?
Retalhuleu gets about 2,579 hours of sunshine a year, at its best around January.
When is the best time to visit Retalhuleu?
The sunniest time to visit Retalhuleu is January, when the Sunshine Score peaks at 93/100 (with February and December close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Retalhuleu?
May is the least sunny month in Retalhuleu, scoring 67/100 with about 276 mm of rain.
How strong is the sun in Retalhuleu?
The typical midday UV index in Retalhuleu peaks around 10 (very high) 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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