GreenlyLast and first frost dates in Mazatlán
Mexico
Mazatlán had no frost in 2016–2025, so crops are planted by warmth and rain rather than by frost dates.
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| Last spring frost | none in ten years |
|---|---|
| First autumn frost | none in ten years |
Median of 2016–2025 for the 25 km grid cell of the city: the last day at or below 0 °C in spring and the first in autumn (ERA5 reanalysis via Open-Meteo). In a cold year a frost can come a week or two later — Greenly warns 48 hours ahead.
There is no frost season here: crops are planted by warmth and rain rather than by frost dates.
When the soil warms up in Mazatlán
The day the top 7 cm of soil first averages each temperature over a week, median of 2016–2025 (ERA5 via Open-Meteo).
| Soil | Date |
|---|---|
| 5 °C | already in the first week of January |
| 10 °C | already in the first week of January |
| 15 °C | already in the first week of January |
| 18 °C | already in the first week of January |
Frost dates near Mazatlán
Of the nearest cities on our list, the last spring frost ends earliest in Zacatecas (29 January) and latest in Durango (30 January).
| City | Distance | Last spring frost | First autumn frost |
|---|---|---|---|
| Durango | 199 km | 30 January | 8 December |
| Culiacán | 202 km | — | — |
| Tepic | 246 km | — | — |
| Los Mochis | 388 km | — | — |
| Zacatecas | 395 km | 29 January | 26 November |
Mazatlán: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Weather in Mazatlán by month
Average weather in Mazatlán over 2016–2025: the warmest month is July. Months that average 20 °C or more by day: January–December (25–31.6 °C). Months that average 30 °C or more by day: June–October (30.4–31.6 °C). No month averages below 0 °C at night; the coldest nights, in March, average 15.2 °C. About 748 mm of rain falls in a year, on 70 days; August is the wettest month (254 mm) and April the driest (0 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days |
|---|---|---|---|---|
| January | 25 | 15.4 | 12 | 1 |
| February | 25.1 | 15.6 | 13 | 1 |
| March | 25.5 | 15.2 | 1 | 0 |
| April | 27.1 | 17.1 | 0 | 0 |
| May | 29.1 | 20 | 1 | 0 |
| June | 30.5 | 24.2 | 38 | 5 |
| July | 31.6 | 25.6 | 107 | 13 |
| August | 31 | 25.6 | 254 | 21 |
| September | 30.6 | 25.3 | 205 | 19 |
| October | 30.4 | 24.3 | 94 | 8 |
| November | 28.8 | 20.5 | 11 | 1 |
| December | 26.4 | 17.2 | 12 | 1 |
Average of the daily highs and lows, rain per month and days with at least 1 mm (ERA5 via Open-Meteo, the same grid cell as the frost dates).
