11-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
19°
Feels like 19°
Wind↑ N 2 km/h
Humidity 53 %
Evening
Clear sky
12°
Feels like 12°
Wind↑ NNE 0 km/h
Humidity 94 %
12-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Clear sky
20°
Feels like 22°
Wind↑ ENE 3 km/h
Humidity 55 %
Evening
Clear sky
13°
Feels like 13°
Wind↑ S 3 km/h
Humidity 97 %
13-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Overcast
17°
Feels like 17°
Wind↑ N 3 km/h
Humidity 76 %
Evening
Drizzle
17°
Feels like 17°
Wind↑ ESE 4 km/h
Humidity 96 %
💧 0.2 mm
14-day outlook — past day 10 this is an outlook from the end of the GFS run: expect differences of several degrees.
Morning
Rain showers
19°
Feels like 19°
Wind↑ SE 1 km/h
Humidity 95 %
💧 0.2 mm
Blumenau forecast in charts · next 7 days
The week ahead: highs and lows
▲ This week runs +1.8° warmer than usual
Highs Lows Usual for the season (1991–2020 average)
Hourly detail
Temperature (°C) Rain (mm) Wind (km/h)
Blumenau climate: what a normal year looks like
A normal year brings roughly 1,830 mm of rain — more than 85% of the towns of 20,000+ people we compared it with.
The hottest stretch is January, when afternoons average 29 °C; the coldest is July, when nights average 11 °C.
From 10 h 26 min of daylight in late June to 13 h 50 min in late December.
Forecast highs for the coming week average 26 °C, 3 °C warmer than a normal October (23 °C).
30-year averages (1991–2020)
Month
Typical high
Typical low
Rainfall
Jan
29 °C
21 °C
241 mm
Feb
28 °C
20 °C
224 mm
Mar
27 °C
19 °C
158 mm
Apr
26 °C
18 °C
102 mm
May
22 °C
15 °C
114 mm
Jun
21 °C
12 °C
113 mm
Jul
20 °C
11 °C
102 mm
Aug
21 °C
12 °C
103 mm
Sep
22 °C
14 °C
166 mm
Oct
23 °C
16 °C
160 mm
Nov
25 °C
18 °C
160 mm
Dec
27 °C
19 °C
184 mm
Whole year
24 °C
16 °C
1,830 mm
Source: our own processing of the ERA5 reanalysis (Copernicus/ECMWF) for 26.92° S, 49.07° W, 1991–2020. ERA5 averages over a 0.25° grid (about 25 km): hills, a coastline or the heat of the city itself can shift local values by a degree or two.
Air you breathe in Blumenau: pollution and pollen
2/6
Fair
European Air Quality Index (EAQI), from Copernicus CAMS
PM2.512µg/m³
PM1016µg/m³
Copernicus CAMS model, updated several times a day.
Rain radar around Blumenau
Rain observed over the last two hours by official weather radars around Blumenau, followed by the radar forecast for the next hour where the weather service provides one.
Rain radarLast two hours, then forecast where available · drag the timeline
No open weather radar covers Blumenau yet: the map shows our hour-by-hour rain forecast (ICON, GFS).
Moon over Blumenau
Waning gibbous
87 % illuminated · 18.3 days
Rise 16:29 Set 01:56
Fri30/1079%
Sat31/1069%
Sun1/1159%
Mon2/1149%Last quarter
Tue3/1138%
Wed4/1128%
Thu5/1119%
Fri6/1112%
Sat7/116%
Sun8/112%
Mon9/110%
Tue10/111%New moon
Moonrise and moonset in local time (America/Sao_Paulo); phase and lit fraction from a synodic calculation.
Look up a past day in Blumenau
Curious about the weather in Blumenau on a given day? Choose a date: we read it from the ERA5 reanalysis (ECMWF / Copernicus C3S), which runs until about a week ago.
Blumenau weather at a glance
This page gathers everything about the weather in Blumenau, Santa Catarina: conditions now, the forecast for each part of the day and the trend for the coming week. At the moment the sky is “light rain”, it is 22 °C (feels like 28 °C) and the wind blows at 9 km/h.
Expected range today: 18 °C to 24 °C and around 4 mm of rain. The forecast comes from the AtmoAtlas engine, which combines ECMWF-AIFS, NOAA GFS and DWD ICON, adjusts cloud cover with METAR reports and uses convective energy (CAPE) to flag storms.
Use the Blumenau forecast in your own website or app: one JSON call returns weather, air quality, tides and sun and moon times. The free key needs no card.
