Last and first frost dates in Blumenau

Brazil

Blumenau had no frost in 2016–2025, so crops are planted by warmth and rain rather than by frost dates.

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 Blumenau

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	14 July
18 °C	14 September

Frost dates near Blumenau

Of the nearest cities on our list, the last spring frost ends earliest in Curitiba (19 July) and latest in Lages (14 August).

City	Distance	Last spring frost	First autumn frost
Joinville	72 km	—	—
Florianópolis	91 km	—	—
Lages	160 km	14 August	24 June
Curitiba	167 km	19 July	—
Ponta Grossa	231 km	19 July	25 June

Seeds, seedlings and markets in Blumenau

Within 15 km of Blumenau OpenStreetMap lists 11 garden centres, 1 farm-supply shop, 2 plant nurseries and 9 markets (collected 27 October 2026). The nearest garden centre to the city centre is Cia do Verde, 2 km away.

Cia do Verde — garden centre
Avenida Martin Luther 1292 · Mon–Fri 07:30–18:30; Sat 08:30–18:30; Sun closed · 2 km
Círculo de Orquidófilos de Blumenau — plant nursery
Rua Videira 200 · 2 km
Feira Livre da Vila Germânica — market
Rua Humberto de Campos 440 · Mon, Thu 07:00–18:00; Sat 07:00–12:00; Sun, public holidays closed · 2 km
Lübke Garten — garden centre
Rua Coelho Neto 32 · 2 km
Minhas Carnívoras — plant nursery
Rua Bruno Schreiber 155 · 8 km
Feira Livre da Velha — market
Tue 10:00–19:00 · 3 km

Where to buy seeds and seedlings in Blumenau

Weather in Blumenau by month

Average weather in Blumenau over 2016–2025: the warmest month is January. Months that average 20 °C or more by day: September–May (20.8–27 °C). No month averages below 0 °C at night; the coldest nights, in July, average 10.6 °C. About 1869 mm of rain falls in a year, on 200 days; January is the wettest month (254 mm) and July the driest (67 mm).

Month	Day, °C	Night, °C	Rain, mm	Rainy days
January	27	19.1	254	24
February	26.9	18.9	211	21
March	25.8	18.4	174	22
April	23.6	16.2	111	14
May	20.8	13.5	131	13
June	19.2	11.5	116	11
July	18.9	10.6	67	8
August	19.4	11.3	109	12
September	21.4	13.6	125	13
October	22.1	15.1	191	20
November	23.6	16	166	19
December	26	18	214	23

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).