GreenlyLast and first frost dates in Teresina
Brazil
Teresina 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 Teresina
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 July |
| 10 °C | already in the first week of July |
| 15 °C | already in the first week of July |
| 18 °C | already in the first week of July |
Frost dates near Teresina
Teresina: weather for the next 7 days
Forecast by Open-Meteo. Nights at or below 0 °C are marked as frost.
Weather in Teresina by month
Average weather in Teresina over 2016–2025: the warmest month is October. Months that average 20 °C or more by day: January–December (30.6–36.4 °C). Months that average 30 °C or more by day: January–December (30.6–36.4 °C). No month averages below 0 °C at night; the coldest nights, in February, average 22.7 °C. About 1693 mm of rain falls in a year, on 147 days; March is the wettest month (437 mm) and September the driest (5 mm).
| Month | Day, °C | Night, °C | Rain, mm | Rainy days |
|---|---|---|---|---|
| January | 31.2 | 22.9 | 306 | 25 |
| February | 31 | 22.7 | 319 | 23 |
| March | 30.6 | 22.7 | 437 | 28 |
| April | 31 | 22.8 | 270 | 23 |
| May | 31.5 | 22.9 | 73 | 12 |
| June | 32.1 | 22.8 | 19 | 3 |
| July | 32.8 | 22.8 | 11 | 2 |
| August | 34.6 | 23 | 6 | 1 |
| September | 36.3 | 23.9 | 5 | 1 |
| October | 36.4 | 24.3 | 28 | 4 |
| November | 35.1 | 24.4 | 78 | 9 |
| December | 33.5 | 23.7 | 141 | 16 |
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).
