Júlio de Castilhos weather in May

In May, Júlio de Castilhos sees average daytime highs of 20°C and overnight lows near 11°C, with 128 mm of rain across 9.2 wet days and about 10.6 hours of daylight. It is the 9th-warmest and 12th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 19°C by the end. The sky is clear or mostly clear about 33% 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 18 min by month's end. Set against the rest of the year, May is Júlio de Castilhos's 10th-clearest and 9th-windiest month. For the whole year in context, see Júlio de Castilhos's year-round climate.

Daytime high
20°
9th warmest
Overnight low
11°
4th coldest
Rainfall
128 mm
9.2 wet days
Daylight
10 h 30 min
8:15 AM – 6:47 PM
Cloud cover
59%
10th clearest
Wind
11 km/h
9th windiest
Solar energy
2.96 kWh/m²
Travel score
6.5
out of 10

Júlio de Castilhos is human 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 22°C in the first days to 19°C by the end.

A typical May day in Júlio de Castilhos reaches about 20°C in the afternoon and slips back to 11°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, May runs about 4°C cooler than April and about 2°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12213
22213
32213
42213
52212
62212
72112
82112
92112
102112
112112
122112
132112
142112
152012
162011
172011
182011
192011
202011
212011
222011
231911
241911
251911
261910
271910
281910
291910
301910
311910

Júlio de Castilhos weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°17315.513.75.0
Feb28° / 18°14514.2135.4
Mar27° / 17°13212.612.26.2
Apr24° / 15°14610.411.36.8
May20° / 11°1289.210.66.5
Jun18° / 10°13610.110.25.9
Jul18° / 15810.310.35.9
Aug20° / 10°1309.9116.5
Sep21° / 12°16711.211.86.3
Oct24° / 14°22613.212.76.4
Nov26° / 15°15111.313.56.5
Dec28° / 18°17213.213.85.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% 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 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24852
34852
44852
54753
64753
74654
84654
94654
104654
114456
124456
134555
144456
154555
164555
174456
184456
194456
204456
214456
224456
234357
244456
254456
264456
274456
284456
294456
304456
314456

Chance of precipitation in May

Any precipitation

Júlio de Castilhos gets around 128 mm of rain over 9.2 wet days in May, the driest month. 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 31% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
229
328
428
528
628
728
828
928
1028
1128
1228
1329
1429
1529
1630
1730
1830
1931
2031
2131
2231
2331
2431
2531
2631
2731
2831
2931
3031
3131

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 54% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
140262310
24226239
34326239
44426228
54526227
64626226
74726216
84826215
94926205
105026204
115126194
125226193
135226193
145326183
155326183
165426182
175625172
185625172
195725162
205825152
215825152
225925142
236025132
246025132
256224122
266324121
276324121
286424111
296424111
306424111
316424111

Wind in May

Winds average 11 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
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
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 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 8:05 AM to 8:24 AM, and sunset from 6:59 PM to 6:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.98:056:59
210.98:066:58
310.88:066:57
410.88:076:56
510.88:086:55
610.88:086:54
710.78:096:54
810.78:106:53
910.78:106:52
1010.78:116:51
1110.78:126:51
1210.68:126:50
1310.68:136:49
1410.68:136:49
1510.68:146:48
1610.58:156:47
1710.58:156:47
1810.58:166:46
1910.58:176:46
2010.58:176:45
2110.48:186:44
2210.48:186:44
2310.48:196:44
2410.48:206:43
2510.48:206:43
2610.48:216:42
2710.38:216:42
2810.38:226:42
2910.38:226:41
3010.38:236:41
3110.38:246:41

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.96 kWh/m².

For context, solar energy here swings from a low near 2.51 kWh/m² to a high of 6.69 kWh/m² in December across the year — May's 2.96 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.4Moderate
23.4Moderate
33.3Moderate
43.3Moderate
53.3Moderate
63.2Moderate
73.2Moderate
83.2Moderate
93.1Moderate
103.1Moderate
113.1Moderate
123.0Moderate
133.0Moderate
143.0Moderate
153.0Moderate
162.9Moderate
172.9Moderate
182.9Moderate
192.9Moderate
202.9Moderate
212.8Moderate
222.8Moderate
232.8Moderate
242.8Moderate
252.8Moderate
262.7Moderate
272.7Moderate
282.7Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in May

Is May a good time to visit Júlio de Castilhos?

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

6.5
Sightseeing
2nd-best month of the year
3.6
Beach & pool
9th-best month of the year

May is a reasonable time to visit Júlio de Castilhos for sightseeing.

What to pack for Júlio de Castilhos in May

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

In May, Júlio de Castilhos sees daytime highs around 20°C and nights near 11°C. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Júlio de Castilhos 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 Júlio de Castilhos peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 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 19UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May5Moderate
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct6High
Nov12Extreme
Dec13Extreme
Location & terrain

Where is Júlio de Castilhos?

Júlio de Castilhos sits at 29.2°S, 53.7°W, 529 m above sea level, in Brazil. The nearest listed city is Tupanciretã, 22 km away.

Topography around Júlio de Castilhos

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

Within 3 km, the terrain around Júlio de Castilhos has only modest variations in elevation — a maximum elevation change of 99 m around an average of 483 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 186 m; within 80 km, large variations in elevation — a maximum elevation change of 619 m.

The land around Júlio de Castilhos is covered by cropland (47%) and grassland (21%) within 3 km, cropland (72%) within 16 km, and cropland (58%) and trees (24%) within 80 km.

3 km
99 m
16 km
186 m
80 km
619 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Tupanciretã 22 km · Santa Maria 52 km · Agudo 63 km · São Pedro do Sul 65 km · Cruz Alta 65 km · Ibirubá 88 km · Ijuí 96 km · Espumoso 98 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 Júlio de Castilhos (-29.2269°, -53.6817°, elevation 529 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).