Vilhena weather in April

In April, Vilhena sees average daytime highs of 29°C and overnight lows near 21°C, with 128 mm of rain across 21.5 wet days and about 11.7 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 12% of the time in April, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of April to 11 h 36 min by month's end. Set against the rest of the year, April is Vilhena's 7th-clearest and 11th-windiest month. For the whole year in context, see Vilhena's year-round climate.

Daytime high
29°
7th warmest
Overnight low
21°
5th coldest
Rainfall
128 mm
21.5 wet days
Daylight
11 h 42 min
6:09 AM – 5:52 PM
Cloud cover
73%
7th clearest
Wind
6 km/h
11th windiest
Solar energy
4.74 kWh/m²
Travel score
4.0
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical April day in Vilhena reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 31°C. Set against its neighbours, April runs on par with March and on par with May.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12821
22921
32921
42921
52921
62921
72921
82921
92921
102921
112921
122921
132921
142921
152921
162921
172921
182921
192921
202921
212921
222921
232920
242920
252920
262920
272920
282920
292920
302920

How April really feels in Vilhena

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.

Vilhena weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 21°26729.412.73.2
Feb28° / 21°2742712.43.3
Mar28° / 21°24128.612.13.2
Apr29° / 21°12821.511.74.0
May28° / 20°5712.111.45.5
Jun29° / 19°14311.36.6
Jul30° / 18°102.111.36.4
Aug31° / 20°244.811.65.1
Sep31° / 21°8413.511.94.0
Oct30° / 21°16522.412.33.5
Nov29° / 21°20725.612.63.3
Dec28° / 21°25928.112.73.3

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 12% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 17% of April, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11585
21684
31783
41981
52080
62179
72278
82476
92476
102575
112674
122773
132773
142971
152971
163070
173070
183268
193268
203367
213466
223466
233565
243565
253565
263565
273664
283664
293763
303763

Chance of precipitation in April

Any precipitation

Vilhena gets around 128 mm of rain over 21.5 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 71% and peaks near 86% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
186
285
384
484
583
682
781
880
978
1077
1176
1275
1374
1473
1572
1671
1770
1869
1968
2067
2166
2264
2363
2462
2560
2659
2757
2856
2954
3052

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the oppressive band about 78% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1001891
2001990
3001990
4001990
50021088
60021088
70021187
80021187
90031285
100131383
110131482
120131581
130141580
140141679
150141778
160141778
170141877
180141976
190142075
200142174
210132274
221142272
231142371
241142470
251142569
261242667
271252765
281252864
291252963
301263061

Wind in April

Winds average 6 km/h in April.

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

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 54 min at the start of April to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over April. Sunrise moves from 6:08 AM to 6:11 AM, and sunset from 6:02 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:086:02
211.96:086:01
311.96:096:01
411.96:096:00
511.86:095:59
611.86:095:59
711.86:095:58
811.86:095:57
911.86:095:57
1011.86:095:56
1111.86:095:55
1211.86:095:55
1311.86:095:54
1411.76:095:54
1511.76:095:53
1611.76:095:52
1711.76:095:52
1811.76:095:51
1911.76:105:51
2011.76:105:50
2111.76:105:49
2211.66:105:49
2311.66:105:48
2411.66:105:48
2511.66:105:47
2611.66:105:47
2711.66:115:46
2811.66:115:46
2911.66:115:45
3011.66:115:45

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.74 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 5.73 kWh/m² in October across the year — April's 4.74 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in April

Hazard calendar for Vilhena

In seasonPeak

In April, Vilhena sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Vilhena's monsoon runs October–April, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is April a good time to visit Vilhena?

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

4.0
Sightseeing
5th-best month of the year
5.0
Beach & pool
6th-best month of the year

April is a reasonable time to visit Vilhena for sightseeing.

What to pack for Vilhena in April

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

In April, Vilhena sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Vilhena in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Vilhena peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateExtremeJan 22UV 15Sep 15UV 4
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar14Extreme
Apr13Extreme
May10Very high
Jun9Very high
Jul8Very high
Aug10Very high
Sep3Moderate
Oct12Extreme
Nov13Extreme
Dec14Extreme

Air quality in Vilhena 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 Vilhena is worst in September — around 62 µg/m³ PM2.5 (unhealthy), about 7.2× the cleanest month (May, 9 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateSep 1459 µg/m³May 159 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb10Good
Mar10Good
Apr9Good
May9Good
Jun9Good
Jul11Good
Aug39Poor
Sep62Unhealthy
Oct22Moderate
Nov16Moderate
Dec11Good
Location & terrain

Where is Vilhena?

Vilhena sits at 12.7°S, 60.1°W, 591 m above sea level, in Brazil. The nearest listed city is Colorado do Oeste, 60 km away.

Topography around Vilhena

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

Within 3 km, the terrain around Vilhena has only modest variations in elevation — a maximum elevation change of 75 m around an average of 585 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 226 m; within 80 km, significant variations in elevation — a maximum elevation change of 438 m.

The land around Vilhena is covered by artificial surfaces (47%) and grassland (26%) within 3 km, trees (50%), cropland (24%) and grassland (20%) within 16 km, and trees (76%) within 80 km.

3 km
75 m
16 km
226 m
80 km
438 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Colorado do Oeste 60 km · Cerejeiras 88 km · Comodoro 110 km · Pimenta Bueno 165 km · Espigão dOeste 165 km · Sapezal 169 km · Cacoal 202 km · Rolim de Moura 208 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 Vilhena (-12.7406°, -60.1458°, elevation 591 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).