Guerrero Negro weather by month & the best time to visit
Mexico · beach resort · hot desert climate
The best time to visit Guerrero Negro is April — its sunniest month (Sunshine Score 98/100), with May and March close behind. Guerrero Negro averages about 3,207 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 1 mm of rain in April.
When is the best time to visit Guerrero Negro?
For sunshine, the best time to visit Guerrero Negro is April, then May and March. The dullest month is August (58/100, 6 mm of rain). The full month-by-month picture is in the table below.
How sunny is Guerrero Negro?
Guerrero Negro is one of the sunniest places on Earth: about 3,207 hours of sunshine a year. April (98/100) is noticeably better than August (58). It ranks #27 of 62 destinations in Mexico for annual sunshine, above the national median of 3,138 hours. Rain is a non-event in Guerrero Negro — about 88 mm in a typical year.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 96 | 23° / 73°F | 10° / 50°F | 9 mm | 4 | 18° / 64°F |
| February | 96 | 23° / 73°F | 10° / 50°F | 10 mm | 6 | 18° / 64°F |
| March | 97 | 25° / 77°F | 11° / 52°F | 8 mm | 8 | 18° / 64°F |
| April | 98 | 27° / 81°F | 12° / 54°F | 1 mm | 9 | 19° / 66°F |
| May | 98 | 28° / 82°F | 13° / 55°F | 0 mm | 9 | 19° / 66°F |
| June | 97 | 31° / 88°F | 16° / 61°F | 8 mm | 10 | 19° / 66°F |
| July | 78 | 34° / 93°F | 20° / 68°F | 2 mm | 10 | 22° / 72°F |
| August | 58 | 36° / 97°F | 22° / 72°F | 6 mm | 10 | 24° / 75°F |
| September | 66 | 35° / 95°F | 21° / 70°F | 19 mm | 9 | 23° / 73°F |
| October | 96 | 31° / 88°F | 17° / 63°F | 9 mm | 7 | 21° / 70°F |
| November | 97 | 26° / 79°F | 14° / 57°F | 7 mm | 5 | 19° / 66°F |
| December | 96 | 23° / 73°F | 10° / 50°F | 9 mm | 4 | 18° / 64°F |
Sea temperature in Guerrero Negro by month
The sea off Guerrero Negro is warmest in August at around 24°C / 75°F, and coolest in January at 18°C / 64°F. The water sits at a comfortable 21°C or warmer roughly 4 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Guerrero Negro: questions and answers
What kind of destination is Guerrero Negro?
Guerrero Negro is a beach resort in Mexico with a hot desert climate — the sea reaches 24°C at its warmest and is swimmable (21°C+) about 4 months a year.
How many hours of sunshine does Guerrero Negro get a year?
Guerrero Negro gets about 3,207 hours of sunshine a year, at its best around April.
When is the best time to visit Guerrero Negro?
The sunniest time to visit Guerrero Negro is April, when the Sunshine Score peaks at 98/100 (with May and March close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Guerrero Negro?
August is the least sunny month in Guerrero Negro, scoring 58/100 with about 6 mm of rain.
What is the sea temperature in Guerrero Negro?
The sea in Guerrero Negro ranges from about 18°C (January) to 24°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Guerrero Negro?
The typical midday UV index in Guerrero Negro peaks around 10 (very high) in June, easing to about 4 (moderate) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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