Santa Rosa weather in April

In April, Santa Rosa sees average daytime highs of 27°C and overnight lows near 17°C, with 155 mm of rain across 9.7 wet days and about 11.4 hours of daylight. It is the 6th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 42% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 hours by month's end. Set against the rest of the year, April is Santa Rosa's 3rd-clearest and 10th-windiest month. For the whole year in context, see Santa Rosa's year-round climate.

Daytime high
27°
6th warmest
Overnight low
17°
7th coldest
Rainfall
155 mm
9.7 wet days
Daylight
11 h 18 min
7:58 AM – 7:18 PM
Cloud cover
51%
3rd clearest
Wind
10 km/h
10th windiest
Solar energy
4.09 kWh/m²
Travel score
6.6
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 25°C by the end.

A typical April day in Santa Rosa reaches about 27°C in the afternoon and slips back to 17°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 32°C. Set against its neighbours, April runs about 3°C cooler than March and about 4°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12918
22918
32818
42818
52818
62818
72818
82818
92817
102817
112717
122717
132717
142717
152717
162717
172717
182616
192616
202616
212616
222616
232616
242616
252616
262516
272515
282515
292515
302515

How April really feels in Santa Rosa

Once humidity and wind are folded in, April averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Santa Rosa weather by month

How April compares with the rest of the year at a glance. April is the 6th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 21°14314.513.63.9
Feb31° / 21°13614134.2
Mar30° / 19°12711.812.25.0
Apr27° / 17°1559.711.46.6
May23° / 13°1529.410.66.9
Jun21° / 12°1439.710.36.5
Jul20° / 11°1379.410.46.6
Aug23° / 12°948.5117.3
Sep25° / 14°15210.411.87.0
Oct27° / 16°21512.912.76.1
Nov29° / 18°1561113.45.5
Dec31° / 20°16013.113.74.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15743
25842
35842
45743
55743
65743
75743
85743
95743
105743
115743
125743
135644
145545
155545
165545
175446
185446
195446
205347
215347
225248
235347
245347
255347
265248
275248
285248
295248
305248

Chance of precipitation in April

Any precipitation

Santa Rosa gets around 155 mm of rain over 9.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 33% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
133
232
332
432
531
631
731
831
931
1032
1132
1232
1333
1433
1533
1634
1734
1834
1935
2035
2134
2234
2334
2434
2533
2633
2732
2832
2931
3031

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 36% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11114263811
21214263711
31214263711
41215263611
51315253611
61316253611
71416243511
81417243510
91517243410
10151824349
11161923349
12161923338
13162023337
14172124327
15172124326
16172224315
17172324315
18182325304
19182425304
20182426293
21192526283
22192527273
23202527262
24202528242
25212628232
26222628222
27232628212
28242628202
29252628202
30262628192

Wind in April

Winds average 10 km/h in April.

Across April, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 48 minutes over April. Sunrise moves from 7:50 AM to 8:06 AM, and sunset from 7:35 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:507:35
211.77:517:34
311.77:517:33
411.77:527:32
511.67:527:30
611.67:537:29
711.67:537:28
811.67:547:27
911.57:547:26
1011.57:557:25
1111.57:557:24
1211.47:567:23
1311.47:567:21
1411.47:577:20
1511.47:587:19
1611.37:587:18
1711.37:597:17
1811.37:597:16
1911.38:007:15
2011.28:007:14
2111.28:017:13
2211.28:017:12
2311.28:027:11
2411.18:037:10
2511.18:037:09
2611.18:047:08
2711.08:047:07
2811.08:057:06
2911.08:057:05
3011.08:067:05

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.09 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.63 kWh/m² in December across the year — April's 4.09 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.5Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.3Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.1Bright
154.1Bright
164.0Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.8Moderate
253.7Moderate
263.7Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
Planning a trip in April

Is April a good time to visit Santa Rosa?

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

6.6
Sightseeing
4th-best month of the year
6.7
Beach & pool
3rd-best month of the year

April is a reasonable time to visit Santa Rosa for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Santa Rosa in April

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

In April, Santa Rosa sees daytime highs around 27°C and nights near 17°C. Worth packing: light clothes and rain gear. About 10 days see rain.

light clothesrain gear

UV index in Santa Rosa in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Rosa peaks around January 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 20UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5High
Jun4Moderate
Jul4Moderate
Aug5High
Sep8Very high
Oct7Very high
Nov11Extreme
Dec12Extreme

Air quality in Santa Rosa in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in Santa Rosa is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (March, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1516 µg/m³Mar 137 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr8Good
May7Good
Jun7Good
Jul8Good
Aug13Moderate
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Santa Rosa?

Santa Rosa sits at 27.9°S, 54.5°W, 284 m above sea level, in Brazil. The nearest listed city is Santo Cristo, 19 km away.

Topography around Santa Rosa

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

Within 3 km, the terrain around Santa Rosa has only modest variations in elevation — a maximum elevation change of 137 m around an average of 273 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 268 m; within 80 km, significant variations in elevation — a maximum elevation change of 487 m.

The land around Santa Rosa is covered by trees (37%) and artificial surfaces (32%) within 3 km, cropland (61%) and trees (29%) within 16 km, and cropland (47%) and trees (39%) within 80 km.

3 km
137 m
16 km
268 m
80 km
487 m
treesgrasslandcroplandartificial surfacesbare terrainwater
April weather nearby: Santo Cristo 19 km · Giruá 22 km · Três de Maio 26 km · Horizontina 32 km · Santo Ângelo 52 km · El Soberbio 70 km · Três Passos 71 km · Oberá 76 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 Santa Rosa (-27.8708°, -54.4814°, elevation 284 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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).