Zihuatanejo is rarely comfortable to be outside at midday. It comes closest in early April, and even then it is too hot. For sun, aim for February to early May.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
The sun season here runs from February to early May. It peaks in mid March, at 72. The weakest stretch is from mid July to mid November, when it drops to 14, mostly because it is too hot. The clearest skies come in March, when the sky is typically 21% covered at midday (mostly clear).
Being outside is not what Zihuatanejo is for: the Easy outdoors rating tops out at 13, mostly because it is too hot.
Walking is not what Zihuatanejo is for: the Active outdoors rating tops out at 7, mostly because it is too warm.
The year, measured
The average temperature in Zihuatanejo over the whole year is 25°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 16°C. The rainy (wet) season in Zihuatanejo runs from June to November, peaking in August with a 77% chance of rain on a given day. The dry season is February to May; April is the driest month, at 31%. Winds in Zihuatanejo are highest in April, averaging 2.1 m/s (8 km/h), and lightest in November, at 1.4 m/s (5 km/h). The prevailing wind is from the SW. The clearest skies in Zihuatanejo come in March, when the sky is typically 20% covered; August is the cloudiest month, at 76%.
Month by month Zihuatanejo climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 30°C | 16°C | 32°C | 67% | 35% | 1.5 m/s | 9 | 51 | 7 |
| February | 30°C | 19°C | 31°C | 34% | 32% | 2.0 m/s | 9 | 62 | 6 |
| March | 30°C | 19°C | 31°C | 49% | 20% | 2.0 m/s | 10 | 69 | 4 |
| April | 30°C | 20°C | 31°C | 31% | 30% | 2.1 m/s | 9 | 67 | 3 |
| May | 31°C | 22°C | 33°C | 51% | 39% | 2.1 m/s | 6 | 49 | 2 |
| June | 31°C | 22°C | 33°C | 72% | 69% | 2.1 m/s | 8 | 31 | 3 |
| July | 32°C | 22°C | 35°C | 59% | 73% | 2.0 m/s | 7 | 16 | 4 |
| August | 32°C | 21°C | 34°C | 77% | 76% | 1.9 m/s | 7 | 16 | 4 |
| September | 31°C | 19°C | 34°C | 73% | 75% | 1.8 m/s | 8 | 18 | 4 |
| October | 31°C | 19°C | 34°C | 68% | 62% | 1.7 m/s | 9 | 15 | 4 |
| November | 31°C | 17°C | 34°C | 59% | 38% | 1.4 m/s | 8 | 22 | 5 |
| December | 30°C | 16°C | 33°C | 31% | 35% | 1.4 m/s | 9 | 39 | 7 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Zihuatanejo weather by season
Year round, Zihuatanejo has days of about 30°C at their warmest in March, its coolest month, and 32°C in July, its warmest; the coolest hours of the day run from 16°C to 22°C through the year, and the average temperature over the year is 25°C around the clock. Rain is most likely around August and least likely around April. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Zihuatanejo weather in winterDecember to February
Winter in Zihuatanejo has typical daily highs of about 30°C and lows of about 17°C, with a 44% chance of rain on a given day.
Zihuatanejo weather in springMarch to May
Spring in Zihuatanejo has typical daily highs of about 30°C and lows of about 20°C, with a 43% chance of rain on a given day.
Zihuatanejo weather in summerJune to August
Summer in Zihuatanejo has typical daily highs of about 31°C and lows of about 22°C, with a 69% chance of rain on a given day.
Zihuatanejo weather in autumnSeptember to November
Autumn in Zihuatanejo has typical daily highs of about 31°C and lows of about 18°C, with a 67% chance of rain on a given day.
When is the rainy season in Zihuatanejo?
The rainy (wet) season in Zihuatanejo runs from June to November, peaking in August with a 77% chance of rain on a given day. The dry season is February to May; April is the driest month, at 31%.
What time of year is Zihuatanejo windiest?
Winds in Zihuatanejo are highest in April, averaging 2.1 m/s (8 km/h), and lightest in November, at 1.4 m/s (5 km/h). The prevailing wind is from the SW.
What is the average temperature in Zihuatanejo year round?
The average temperature in Zihuatanejo over the whole year is 25°C. July is the hottest month, with highs of about 32°C; January is the coldest, with lows of about 16°C.
Where to go instead in mid May, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.