Blumenau weather in July

In July, Blumenau sees average daytime highs of 20°C and overnight lows near 12°C, with 97 mm of rain across 9.9 wet days and about 10.5 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 32% of the time in July, and the air most often feels dry.

Daylight stretches from about 10 h 18 min at the start of July to 10 h 42 min by month's end. Set against the rest of the year, July is Blumenau's 1st-clearest and 11th-windiest month. For the whole year in context, see Blumenau's year-round climate.

Daytime high
20°
12th warmest
Overnight low
12°
1st coldest
Rainfall
97 mm
9.9 wet days
Daylight
10 h 30 min
8:08 AM – 6:36 PM
Cloud cover
59%
1st clearest
Wind
5 km/h
11th windiest
Solar energy
2.73 kWh/m²
Travel score
6.4
out of 10

Blumenau is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 20°C through the month.

A typical July day in Blumenau reaches about 20°C in the afternoon and slips back to 12°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 26°C. Set against its neighbours, July runs on par with June and about 1°C cooler than August.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62012
72012
82012
92012
102012
112011
122011
132011
142011
152011
162011
172011
182011
192011
202011
212011
222011
232011
242011
252011
262011
272011
282112
292112
302112
312112

Blumenau weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°23422.613.54.0
Feb28° / 20°21520134.1
Mar27° / 19°14919.312.24.9
Apr25° / 17°9312.111.46.3
May22° / 14°10911.310.76.5
Jun21° / 12°1079.710.36.4
Jul20° / 12°979.910.56.4
Aug21° / 12°9610.1116.5
Sep22° / 14°15813.111.85.9
Oct24° / 16°15016.712.65.5
Nov25° / 17°15217.713.35.3
Dec28° / 19°17619.113.74.8

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of July, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24159
34159
44258
54258
64258
74357
84357
94456
104654
114654
124753
134852
144852
154852
164951
174951
184951
194951
204951
214951
224951
234852
244852
254852
264852
274753
284753
294753
304654
314654

Chance of precipitation in July

Any precipitation

Blumenau gets around 97 mm of rain over 9.9 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
134
234
334
433
533
633
733
832
932
1032
1132
1232
1332
1432
1532
1632
1732
1832
1932
2032
2132
2232
2332
2432
2532
2632
2731
2831
2931
3031
3131

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

Most of July feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, July lands in the dry band about 42% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13440251
23540251
33540250
43540250
53639250
63639250
73738250
83838240
93937250
103936250
114035250
124134240
134233240
144333240
154432240
164432240
174531240
184531230
194631230
204631230
214631230
224632230
234532230
244532230
254532230
264533230
274433230
284433230
294433230
304434230
314434220

Wind in July

Winds average 5 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 18 min at the start of July to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over July. Sunrise moves from 8:10 AM to 8:01 AM, and sunset from 6:29 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.38:106:29
210.38:106:30
310.38:106:30
410.38:106:30
510.38:106:31
610.48:106:31
710.48:106:32
810.48:106:32
910.48:106:32
1010.48:096:33
1110.48:096:33
1210.48:096:34
1310.48:096:34
1410.48:096:35
1510.48:086:35
1610.58:086:36
1710.58:086:36
1810.58:086:37
1910.58:076:37
2010.58:076:38
2110.58:066:38
2210.58:066:39
2310.68:066:39
2410.68:056:40
2510.68:056:40
2610.68:046:41
2710.68:046:41
2810.68:036:42
2910.78:036:42
3010.78:026:43
3110.78:016:43

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 2.73 kWh/m².

For context, solar energy here swings from a low near 2.54 kWh/m² to a high of 5.44 kWh/m² in December across the year — July's 2.73 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.5Moderate
22.5Moderate
32.5Moderate
42.5Moderate
52.6Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.7Moderate
122.7Moderate
132.7Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.8Moderate
182.8Moderate
192.8Moderate
202.8Moderate
212.8Moderate
222.8Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.9Moderate
282.9Moderate
293.0Moderate
303.0Moderate
313.0Moderate
Planning a trip in July

Is July a good time to visit Blumenau?

Our two travel scores rate July for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.4
Sightseeing
3rd-best month of the year
3.5
Beach & pool
12th-best month of the year

July is a reasonable time to visit Blumenau for sightseeing.

What to pack for Blumenau in July

From July's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In July, Blumenau sees daytime highs around 20°C and nights near 12°C. Worth packing: rain gear. About 10 days see rain.

rain gear

Sea temperature near Blumenau in July

The nearest coast averages about 18°C in July — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 44 km away) is warmest in February at about 27°C and coldest in August near 18°C.

It's comfortable for a long swim from Sep 30 to Jun 16 — about 8.5 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb27Warm
Mar26Warm
Apr25Warm
May22Refreshing
Jun20Refreshing
Jul18Cool
Aug18Cool
Sep19Cool
Oct21Refreshing
Nov23Refreshing
Dec25Warm

UV index in Blumenau in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Blumenau peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 19UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug6High
Sep8Very high
Oct10Very high
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Blumenau?

Blumenau sits at 26.9°S, 49.1°W, 20 m above sea level, in Brazil. The nearest listed city is Gaspar, 11 km away.

Topography around Blumenau

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Blumenau.

Within 3 km, the terrain around Blumenau has only modest variations in elevation — a maximum elevation change of 249 m around an average of 69 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 881 m; within 80 km, large variations in elevation — a maximum elevation change of 1,180 m.

The land around Blumenau is covered by trees (64%) and artificial surfaces (31%) within 3 km, trees (79%) within 16 km, and trees (68%) within 80 km.

3 km
249 m
16 km
881 m
80 km
1,180 m
treesgrasslandcroplandartificial surfaceswater
July weather nearby: Gaspar 11 km · Indaial 17 km · Guabiruba 21 km · Pomerode 23 km · Timbó 23 km · Ilhota 24 km · Brusque 25 km · Massaranduba 35 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Blumenau (-26.9194°, -49.0661°, elevation 20 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).