Giruá weather in May

In May, Giruá sees average daytime highs of 22°C and overnight lows near 13°C, with 168 mm of rain across 9.4 wet days and about 10.6 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 21°C by the end. The sky is clear or mostly clear about 39% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Giruá's 7th-clearest and 7th-windiest month. For the whole year in context, see Giruá's year-round climate.

Daytime high
22°
9th warmest
Overnight low
13°
4th coldest
Rainfall
168 mm
9.4 wet days
Daylight
10 h 36 min
8:15 AM – 6:52 PM
Cloud cover
55%
7th clearest
Wind
12 km/h
7th windiest
Solar energy
3.09 kWh/m²
Travel score
6.8
out of 10

Giruá is settlement in Brazil.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 21°C by the end.

A typical May day in Giruá reaches about 22°C in the afternoon and slips back to 13°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 27°C. Set against its neighbours, May runs about 4°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12415
22414
32414
42414
52414
62314
72314
82314
92314
102314
112313
122313
132213
142213
152213
162213
172213
182213
192213
202213
212113
222112
232112
242112
252112
262112
272112
282112
292112
302112
312112

How May really feels in Giruá

Once humidity and wind are folded in, May 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

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

Giruá weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°18215.713.64.3
Feb30° / 20°17615.6134.5
Mar29° / 19°15012.912.25.4
Apr26° / 16°18410.611.46.6
May22° / 13°1689.410.66.8
Jun20° / 12°16110.210.36.3
Jul20° / 11°16810.110.46.4
Aug22° / 12°1159117.1
Sep24° / 14°1781111.86.8
Oct26° / 16°25113.912.76.1
Nov28° / 17°18111.913.45.7
Dec30° / 19°19414.213.74.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25248
35248
45248
55248
65248
75149
85149
95050
105050
115149
125149
135050
145050
155050
165149
175050
185050
195050
204951
214951
224951
235050
245050
254951
264951
274951
284852
294852
304852
314852

Chance of precipitation in May

Any precipitation

Giruá gets around 168 mm of rain over 9.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
132
231
331
430
530
630
730
830
930
1030
1130
1230
1330
1430
1531
1631
1731
1831
1931
2031
2131
2231
2331
2431
2531
2630
2730
2830
2930
3030
3130

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1332626151
2342626141
3352526131
4362526121
5372526111
6382526101
7392525100
840252590
941262580
1042262480
1142262480
1243262370
1344272370
1444272270
1545272260
1645272160
1746282160
1847282050
1947282050
2048271950
2149271950
2251271840
2352261840
2452261840
2553251840
2654251830
2756241730
2856241730
2955241830
3056231830
3156231830

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 8:06 AM to 8:24 AM, and sunset from 7:03 PM to 6:46 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.98:067:03
210.98:077:02
310.98:077:01
410.98:087:00
510.88:097:00
610.88:096:59
710.88:106:58
810.88:106:57
910.88:116:57
1010.78:126:56
1110.78:126:55
1210.78:136:55
1310.78:136:54
1410.78:146:53
1510.68:156:53
1610.68:156:52
1710.68:166:51
1810.68:166:51
1910.68:176:50
2010.58:186:50
2110.58:186:49
2210.58:196:49
2310.58:196:49
2410.58:206:48
2510.58:206:48
2610.48:216:47
2710.48:226:47
2810.48:226:47
2910.48:236:46
3010.48:236:46
3110.48:246:46

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.09 kWh/m².

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.65 kWh/m² in December across the year — May's 3.09 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.5Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.2Moderate
123.2Moderate
133.2Moderate
143.1Moderate
153.1Moderate
163.1Moderate
173.0Moderate
183.0Moderate
193.0Moderate
203.0Moderate
212.9Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.8Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit Giruá?

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

6.8
Sightseeing
2nd-best month of the year
4.8
Beach & pool
10th-best month of the year

May is a reasonable time to visit Giruá for sightseeing.

What to pack for Giruá in May

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

In May, Giruá sees daytime highs around 22°C and nights near 13°C. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Giruá in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Giruá 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 Giruá in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Giruá is worst in September — around 17 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (March, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1516 µg/m³Mar 156 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug12Moderate
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Giruá?

Giruá sits at 28.0°S, 54.3°W, 432 m above sea level, in Brazil. The nearest listed city is Santa Rosa, 22 km away.

Topography around Giruá

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

Within 3 km, the terrain around Giruá has only modest variations in elevation — a maximum elevation change of 93 m around an average of 392 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 206 m; within 80 km, significant variations in elevation — a maximum elevation change of 509 m.

The land around Giruá is covered by cropland (62%) and trees (20%) within 3 km, cropland (74%) and trees (21%) within 16 km, and cropland (59%) and trees (30%) within 80 km.

3 km
93 m
16 km
206 m
80 km
509 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Santa Rosa 22 km · Três de Maio 30 km · Santo Ângelo 31 km · Santo Cristo 38 km · Horizontina 45 km · Ijuí 58 km · São Luiz Gonzaga 73 km · Três Passos 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 Giruá (-28.0283°, -54.3497°, elevation 432 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).