Ixtapa-Zihuatanejo climate
Ixtapa-Zihuatanejo (Guerrero, Mexico) has a tropical savanna (dry summer) climate (Köppen As). The average temperature over the year is 29 °C83 °F, and about 1,136 mm45 in of precipitation falls in an average year.
Temperature by month
Precipitation by month
Ixtapa-Zihuatanejo climate table
| Month | High °C°F | Low °C°F | Mean °C°F | Precip. mmin |
|---|---|---|---|---|
| Jan | 3188 | 2475 | 2882 | 90.4 |
| Feb | 3289 | 2475 | 2882 | 130.5 |
| Mar | 3290 | 2475 | 2883 | 60.2 |
| Apr | 3392 | 2577 | 2984 | 10.0 |
| May | 3392 | 2679 | 3085 | 331.3 |
| Jun | 3289 | 2780 | 2984 | 1827.2 |
| Jul | 3188 | 2780 | 2984 | 1736.8 |
| Aug | 3188 | 2780 | 2984 | 2529.9 |
| Sep | 3087 | 2680 | 2883 | 28911 |
| Oct | 3187 | 2680 | 2983 | 1405.5 |
| Nov | 3188 | 2578 | 2883 | 321.3 |
| Dec | 3187 | 2576 | 2882 | 60.2 |
| Year | 3392 | 2475 | 2983 | 1,13645 |
“Year” row: highest monthly high, lowest monthly low, annual mean and annual total.
| Month | Humid. | Cloud | Solar | Daylight |
|---|---|---|---|---|
| Jan | 67% | 37% | 5.0 | 11:11 |
| Feb | 64% | 27% | 5.9 | 11:33 |
| Mar | 61% | 23% | 6.9 | 11:00 |
| Apr | 59% | 24% | 7.3 | 12:31 |
| May | 65% | 44% | 6.6 | 12:57 |
| Jun | 76% | 69% | 5.9 | 13:11 |
| Jul | 78% | 72% | 6.0 | 13:05 |
| Aug | 80% | 75% | 5.7 | 12:43 |
| Sep | 83% | 78% | 5.2 | 12:13 |
| Oct | 81% | 61% | 5.2 | 11:42 |
| Nov | 75% | 38% | 5.1 | 11:17 |
| Dec | 71% | 33% | 4.9 | 11:05 |
Humid. = average relative humidity at 2 m; cloud = average cloud amount; solar = average daily solar energy reaching the ground in kWh/m² (all-sky); daylight in hours:minutes, calculated for the 15th of each month.
What the climate of Ixtapa-Zihuatanejo is like
The warmest month is May, with an average high of 33 °C92 °F and a low of 26 °C79 °F. The coldest is January, when highs average 31 °C88 °F and lows 24 °C75 °F. Temperatures barely change through the year: the warmest and the coolest month differ by only 2.1 °C3.9 °F.
It is wet, with about 1,136 mm45 in of precipitation per year. The wettest three-month stretch is July–September, which brings 63% of the annual total. Months with less than 20 mm0.8 in on average: December–April. The wettest month is September (289 mm11 in), the driest is April (1 mm0.0 in).
Relative humidity ranges from 59% in April to 83% in September. The clearest skies (lowest average cloud amount, 23%) are typical of March. Average wind speed near the ground ranges from 6 km/h (4 mph) in December to 9 km/h (6 mph) in June. Daylight lasts from about 11.1 hours in December to 13.2 hours in June.
Best time to visit Ixtapa-Zihuatanejo
Based on these averages, the most comfortable months for sightseeing and outdoor activities are November–February: average highs of 31 °C87 °F to 32 °C89 °F with 6 mm0.2 in to 32 mm1.3 in of precipitation per month.
The most challenging month is September, which is hot, with average highs of 30 °C87 °F, very wet (289 mm11 in) and humid (83% relative humidity).
Comfort score: months are ranked by how close they come to an average high of 21–28 °C (70–82 °F), lows above 5 °C (41 °F), little precipitation and moderate humidity. The best-ranked months of each place are recommended, even where none meets all of these. These are general rules of thumb applied to long-term averages.
What to pack for Ixtapa-Zihuatanejo
- Wetter months (June–October) — highs 3087 to 32 °C89 °F, lows 2680 to 27 °C80 °F, about 207 mm8.2 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water and a good rain jacket or umbrella and quick-drying shoes.
- Drier months (November–May) — highs 3187 to 33 °C92 °F, lows 2475 to 26 °C79 °F, about 14 mm0.6 in of precipitation a month. Pack very light, breathable clothing, a sun hat and plenty of water.
How Ixtapa-Zihuatanejo compares
Compared with Ciudad Lázaro Cárdenas, about 77 km to the northwest, Ixtapa-Zihuatanejo is on average 0.5 °C0.9 °F warmer and receives 19% more precipitation (1,136 mm45 in vs 955 mm38 in). The difference is largest in February (1.1 °C2 °F warmer).
Of the 96 places in Mexico covered by World Climates, Ixtapa-Zihuatanejo is the 2nd warmest by annual mean temperature and the 23rd wettest by annual precipitation. See all of them on the Mexico climate page.
Places in other countries with the most similar temperature and rainfall pattern (seasons shifted for the other hemisphere where needed): Dili (Timor Leste, Aw), Kupang (Indonesia, Aw) and Virar (India, Aw).
Nearby places
- Ciudad Lázaro Cárdenas 77 km · 28 °C82 °F · 955 mm38 in
- Apatzingán 182 km · 28 °C83 °F · 724 mm28 in
- Acapulco de Juárez 196 km · 28 °C83 °F · 1,239 mm49 in
- Uruapan 204 km · 20 °C67 °F · 744 mm29 in
- Chilpancingo 218 km · 21 °C70 °F · 1,069 mm42 in
- Iguala de la Independencia 227 km · 26 °C78 °F · 1,012 mm40 in
- Morelia 232 km · 18 °C65 °F · 757 mm30 in
- Toluca 271 km · 14 °C56 °F · 793 mm31 in
Frequently asked questions
What is the warmest month in Ixtapa-Zihuatanejo?
May is the warmest month in Ixtapa-Zihuatanejo, with an average high of 33 °C (92 °F) and an average low of 26 °C (79 °F).
What is the coldest month in Ixtapa-Zihuatanejo?
January is the coldest month, with an average high of 31 °C (88 °F) and an average low of 24 °C (75 °F).
When does it rain the most in Ixtapa-Zihuatanejo?
September is the wettest month with about 289 mm (11.4 in) of precipitation; April is the driest with about 1 mm (0.0 in).
What is the best time to visit Ixtapa-Zihuatanejo?
Judging by long-term averages, the most comfortable months are November–February.
About this data
All figures are 25-year averages (January 2001 – December 2025) from the NASA POWER project. Temperature, humidity, wind and precipitation come from the MERRA-2 reanalysis (precipitation is the bias-corrected MERRA-2 product), cloud and solar values from CERES satellite data. They describe a grid cell of roughly 50–70 km, not a single weather station, so they can differ from airport records — most of all on coasts, in mountains and for rainfall. Average highs and lows are the monthly mean temperature plus/minus half of the average daily temperature range. Counts of rainy days are not part of this dataset.
The grid cell’s average elevation is 451 m, while Ixtapa-Zihuatanejo lies at about 13 m. Temperatures on this page were therefore adjusted by +2.8 °C5.1 °F using the standard lapse rate of 6.5 °C per 1,000 m.