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Blumenau relocation guide

Weather in Blumenau

Check the room through warm and cool months. Use current Civil Defense guidance for the day and the property's flood plan.

Climate period
1991 to 2020
Regional modeled context.
Current guidance
AlertaBlu
Street thresholds and warnings.
SMS alerts
Send ZIP code to 40199
Free registration.
On this page

The short answer

Blumenau's home decision needs seasonal comfort and current flood preparation. The regional model gives warmer summer days, cooler winter nights and rainfall through the year. It helps you ask about cooling, dampness and drying space. It does not predict a flood at your home. Inspect the actual rooms, then use AlertaBlu for current forecasts and street-level guidance.

  • The climate tool uses a regional model, not a local station.
  • Cooler winter nights still affect the home choice.
  • Monthly averages do not establish a flood threshold.
  • Use AlertaBlu for current warnings and the actual street.

Our take

Read the regional seasonal context

Tool

Blumenau by month

MERRA2 model grid, not a station, 1991 to 2020 normals.

Average highAverage lowRain (mm)
41°50°59°68°77°86°0125250Jan: 211 mm of rainFeb: 170.8 mm of rainMar: 139.1 mm of rainApr: 94.5 mm of rainMay: 108.6 mm of rainJun: 105.8 mm of rainJul: 107 mm of rainAug: 97.8 mm of rainSep: 146.8 mm of rainOct: 157.5 mm of rainNov: 132.3 mm of rainDec: 156.9 mm of rainJan average high 80°FJan average low 66°FJanFeb average high 80°FFeb average low 66°FFebMar average high 79°FMar average low 64°FMarApr average high 76°FApr average low 60°FAprMay average high 70°FMay average low 55°FMayJun average high 67°FJun average low 51°FJunJul average high 66°FJul average low 50°FJulAug average high 69°FAug average low 51°FAugSep average high 71°FSep average low 54°FSepOct average high 74°FOct average low 58°FOctNov average high 77°FNov average low 60°FNovDec average high 80°FDec average low 63°FDec

Average highs range from 66°F to 80°F. Rainfall peaks at 211 mm a month. NASA POWER, 1991 to 2020 daily MERRA2 regional estimates around Blumenau (opens in a new tab)

The calculation uses NASA POWER daily MERRA2 estimates for 1991 to 2020 around the requested Blumenau city point. Thirty year-specific monthly daily-high and daily-low means and rainfall totals receive equal weight. The native meteorological grid is 0.5 degrees latitude by 0.625 degrees longitude.1,2,3,4

Compare a few months

Selected regional modeled averages
MonthAverage daily highAverage daily lowMonthly rainfall
Jan26.9°C (80°F)18.7°C (66°F)211.0 mm
Apr24.2°C (76°F)15.5°C (60°F)94.5 mm
Jul19.0°C (66°F)9.8°C (50°F)107.0 mm
Oct23.4°C (74°F)14.4°C (58°F)157.5 mm
Modeled regional seasonal context. Not an observed local station, issued INMET normal, forecast or property flood assessment. All 10,958 dates per parameter are present, with no fill values.

Sources 1,2

Inspect the rooms for the full year

Ask how the bedroom and work room cope with warmer afternoons and cooler nights. Check ventilation, damp patches, smells, window sealing and laundry drying. Confirm the actual cooling equipment and maintenance rather than assuming a furnished home includes it.1,5,6

The Água Verde ad explicitly says its ceiling fan will be removed. Check the final inventory before relying on the photographed or described room. Cooling, electricity consumption and call comfort belong in the actual home quote.6

Use current street and warning information

Blumenau updated street flood thresholds in AlertaBlu in September 2026. Check the home's street, building, parking and usable escape route. Free SMS registration sends the residential ZIP code to 40199.7,8

A modeled rainfall month does not describe your street's water entry, river level or slope stability. Read safety, rent, utilities and getting around with the actual building procedure and current guidance.7,9,10

Questions people ask

Is the climate tool a Blumenau weather station normal?

No. It is a calculation from native regional NASA POWER modeled grid estimates.

Does the rainfall average predict flooding at my home?

No. Use AlertaBlu, the actual street threshold, building history and current warnings.

What should I inspect for year-round comfort?

Ventilation, cooling, window sealing, dampness, laundry drying and the actual included equipment.

Is the Água Verde ceiling fan included?

The selected ad says it will be removed. Confirm the handover inventory.

Plan your move

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Get relocation support

Our packages are available for moves to Santiago today. For other cities, we confirm providers, requirements, and fees before you pay.

Sources and how we check them

Sources and how we check them10 sources

Every figure on this page comes from the official or primary source listed here. We checked them in . Rules and prices change, so confirm anything important with the source before you act on it.

  1. NASA POWER, 1991 to 2020 daily MERRA2 regional estimates around Blumenau (opens in a new tab)
  2. NASA POWER, MERRA2 meteorological methodology and spatial resolution (opens in a new tab)
  3. NASA POWER, daily API parameters and local solar time (opens in a new tab)
  4. NASA POWER, daily maximum and minimum temperature assessment (opens in a new tab)
  5. Almeida Administração de Imóveis, Jardim Blumenau rental AP 1477 (opens in a new tab)
  6. Abelardo Imóveis, Água Verde rental 9446 (opens in a new tab)
  7. Blumenau Civil Defense, September 4, 2026 updated street flood thresholds (opens in a new tab)
  8. Blumenau Civil Defense, October 7, 2026 free SMS alerts and AlertaBlu (opens in a new tab)
  9. SAMAE Blumenau, May 4, 2026 online account-holder change and service requests (opens in a new tab)
  10. Blumenau, October 6, 2026 festival-only extra buses and QR ticketing (opens in a new tab)