GreenlyLast and first frost dates in Chetumal
Mexico
Chetumal 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 Chetumal
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 Chetumal
| City | Distance | Last spring frost | First autumn frost |
|---|---|---|---|
| Flores | 243 km | — | — |
| Campeche | 275 km | — | — |
| Mérida | 305 km | — | — |
| Cancún | 332 km | — | — |
| San Pedro Sula | 336 km | — | — |
Chetumal: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Weather in Chetumal by month
Average weather in Chetumal over 2016–2025: the warmest month is May. Months that average 20 °C or more by day: January–December (27.2–31.4 °C). Months that average 30 °C or more by day: April–October (30–31.4 °C). No month averages below 0 °C at night; the coldest nights, in January, average 21.5 °C. About 1325 mm of rain falls in a year, on 199 days; June is the wettest month (263 mm) and March the driest (28 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days |
|---|---|---|---|---|
| January | 27.2 | 21.5 | 64 | 13 |
| February | 28.3 | 22.5 | 36 | 11 |
| March | 29.7 | 23.7 | 28 | 7 |
| April | 30.7 | 24.9 | 33 | 8 |
| May | 31.4 | 25.9 | 79 | 14 |
| June | 30.3 | 25.7 | 263 | 24 |
| July | 31 | 25.9 | 118 | 21 |
| August | 31.2 | 25.7 | 154 | 23 |
| September | 30.8 | 25.3 | 180 | 25 |
| October | 30 | 24.1 | 181 | 22 |
| November | 28.5 | 22.6 | 117 | 16 |
| December | 27.7 | 22 | 72 | 15 |
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).
