Guaymas weather by month & the best time to visit
🇲🇽 Mexico · beach resort · hot desert climate
The best time to visit Guaymas is April — its sunniest month (Sunshine Score 100/100), with March and December close behind. Guaymas averages about 3,717 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 2 mm of rain in April.
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- Sun hours / year
- 3,717
- Sunniest month
- April
- Peak score
- 100/100
- Rain / year
- 342 mm
- Midday UV at peak
- 12 (extreme)
- Sea at warmest
- 32°C / 90°F
- Population
- 117k
- Elevation
- 13 m
When is the best time to visit Guaymas?
For sunshine, the best time to visit Guaymas is April, then March and December. The dullest month is June (39/100, 11 mm of rain). The full month-by-month picture is in the table below.
How sunny is Guaymas?
Guaymas is one of the sunniest places on Earth: about 3,717 hours of sunshine a year. 61 Sunshine Score points separate April (100) from June (39), so the month you pick matters. It ranks #9 of 62 destinations in Mexico for annual sunshine, above the national median of 3,138 hours. Rain is strongly seasonal here: roughly 75% of the year's 342 mm falls in the three months around August.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 98 | 24° / 75°F | 11° / 52°F | 12 mm | 5 | 19° / 66°F |
| February | 98 | 26° / 79°F | 12° / 54°F | 11 mm | 7 | 19° / 66°F |
| March | 99 | 28° / 82°F | 14° / 57°F | 7 mm | 9 | 19° / 66°F |
| April | 100 | 31° / 88°F | 16° / 61°F | 2 mm | 10 | 20° / 68°F |
| May | 80 | 34° / 93°F | 20° / 68°F | 1 mm | 11 | 24° / 75°F |
| June | 39 | 38° / 100°F | 25° / 77°F | 11 mm | 12 | 29° / 84°F |
| July | 51 | 36° / 97°F | 27° / 81°F | 84 mm | 11 | 31° / 88°F |
| August | 51 | 36° / 97°F | 27° / 81°F | 84 mm | 11 | 32° / 90°F |
| September | 50 | 36° / 97°F | 25° / 77°F | 89 mm | 10 | 32° / 90°F |
| October | 86 | 33° / 91°F | 20° / 68°F | 22 mm | 8 | 30° / 86°F |
| November | 98 | 29° / 84°F | 16° / 61°F | 11 mm | 6 | 22° / 72°F |
| December | 99 | 24° / 75°F | 11° / 52°F | 8 mm | 4 | 18° / 64°F |
Sea temperature in Guaymas by month
The sea off Guaymas is warmest in August at around 32°C / 90°F, and coolest in December at 18°C / 64°F. The water sits at a comfortable 21°C or warmer roughly 7 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Guaymas on the interactive sunshine globe →
Nearby places for sunshine
- Ciudad Obregón Mexico · 125 km · best in Apr · 3,623 h sun/yr
- Hermosillo Mexico · 126 km · best in Apr · 3,844 h sun/yr
- Los Mochis Mexico · 313 km · best in Mar · 3,511 h sun/yr
- La Paz Mexico · 437 km · best in Mar · 3,353 h sun/yr
- Tucson United States · 461 km · best in Apr · 3,726 h sun/yr
- Chihuahua Mexico · 492 km · best in Feb · 3,641 h sun/yr
Nearest destinations
- Mulegé Mexico · 151 km · 3,774 h sun/yr · best in Apr
- Loreto Mexico · 224 km · 3,728 h sun/yr · best in Apr
- Guerrero Negro Mexico · 304 km · 3,207 h sun/yr · best in Apr
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