Frederico Westphalen weather in May

In May, Frederico Westphalen sees average daytime highs of 22°C and overnight lows near 13°C, with 167 mm of rain across 9.2 wet days and about 10.7 hours of daylight. It is the 10th-warmest and 5th-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 37% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 hours at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Frederico Westphalen's 9th-clearest and 9th-windiest month. For the whole year in context, see Frederico Westphalen's year-round climate.

Daytime high
22°
10th warmest
Overnight low
13°
4th coldest
Rainfall
167 mm
9.2 wet days
Daylight
10 h 42 min
8:10 AM – 6:49 PM
Cloud cover
56%
9th clearest
Wind
8 km/h
9th windiest
Solar energy
3.11 kWh/m²
Travel score
6.9
out of 10

Frederico Westphalen 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 24°C in the first days to 21°C by the end.

A typical May day in Frederico Westphalen reaches about 22°C in the afternoon and slips back to 13°C overnight — a 10°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)
12414
22414
32414
42414
52414
62414
72314
82313
92313
102313
112313
122313
132313
142213
152213
162213
172213
182213
192212
202212
212212
222212
232112
242112
252112
262112
272112
282112
292112
302112
312111

How May really feels in Frederico Westphalen

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.

Frederico Westphalen weather by month

How May compares with the rest of the year at a glance. May is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°16116.413.54.1
Feb30° / 20°14615.4134.3
Mar29° / 19°13312.812.25.2
Apr26° / 16°14010.311.46.6
May22° / 13°1679.210.76.9
Jun21° / 11°1639.710.36.5
Jul21° / 10°1539.910.46.6
Aug23° / 12°1058117.4
Sep25° / 14°17510.811.86.9
Oct27° / 16°22713.712.76.0
Nov28° / 17°1761213.45.7
Dec30° / 19°18514.513.74.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15446
25446
35347
45347
55347
65248
75248
85149
95149
105050
115050
125149
135050
145050
155050
164951
174951
184951
194951
204951
214951
224951
234951
244951
254951
264852
274852
284852
294852
304852
314852

Chance of precipitation in May

Any precipitation

Frederico Westphalen gets around 167 mm of rain over 9.2 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 33% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
129
228
328
428
528
628
728
828
928
1028
1128
1228
1328
1429
1529
1629
1729
1830
1930
2030
2130
2231
2331
2431
2531
2631
2732
2832
2932
3032
3133

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 39% 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 (%)
1242930161
2252930151
3262930141
4272930131
5292930121
6302930111
7312929100
832292990
933292980
1034292880
1135292870
1236292770
1337292760
1438302660
1539302660
1639302550
1740302550
1841302450
1942302350
2044302250
2145292150
2246292050
2347291950
2448281950
2549281940
2650281840
2751271840
2851271840
2952261840
3052261840
3152261840

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 hours 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 36 minutes over May. Sunrise moves from 8:02 AM to 8:19 AM, and sunset from 7:00 PM to 6:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.08:027:00
211.08:026:59
310.98:036:58
410.98:036:58
510.98:046:57
610.98:046:56
710.88:056:55
810.88:066:55
910.88:066:54
1010.88:076:53
1110.88:076:52
1210.78:086:52
1310.78:086:51
1410.78:096:51
1510.78:106:50
1610.78:106:49
1710.68:116:49
1810.68:116:48
1910.68:126:48
2010.68:136:47
2110.68:136:47
2210.58:146:46
2310.58:146:46
2410.58:156:46
2510.58:156:45
2610.58:166:45
2710.58:166:45
2810.58:176:44
2910.48:176:44
3010.48:186:44
3110.48:196:43

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.11 kWh/m².

For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 6.49 kWh/m² in December across the year — May's 3.11 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.6Moderate
23.6Moderate
33.5Moderate
43.5Moderate
53.5Moderate
63.4Moderate
73.4Moderate
83.4Moderate
93.3Moderate
103.3Moderate
113.3Moderate
123.2Moderate
133.2Moderate
143.2Moderate
153.1Moderate
163.1Moderate
173.1Moderate
183.0Moderate
193.0Moderate
203.0Moderate
213.0Moderate
222.9Moderate
232.9Moderate
242.9Moderate
252.9Moderate
262.9Moderate
272.8Moderate
282.8Moderate
292.8Moderate
302.8Moderate
312.8Moderate
Planning a trip in May

Is May a good time to visit Frederico Westphalen?

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

6.9
Sightseeing
2nd-best month of the year
5.0
Beach & pool
10th-best month of the year

May is a reasonable time to visit Frederico Westphalen for sightseeing.

What to pack for Frederico Westphalen in May

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

In May, Frederico Westphalen 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 Frederico Westphalen in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Frederico Westphalen peaks around January 22 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 highHighModerateHighVery highExtremeJan 22UV 14Jun 21UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun4Moderate
Jul5Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov11Extreme
Dec13Extreme

Air quality in Frederico Westphalen 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 Frederico Westphalen 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 1616 µg/m³Mar 116 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb6Good
Mar6Good
Apr7Good
May7Good
Jun7Good
Jul8Good
Aug11Good
Sep17Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Frederico Westphalen?

Frederico Westphalen sits at 27.4°S, 53.4°W, 528 m above sea level, in Brazil. The nearest listed city is Itapiranga, 38 km away.

Topography around Frederico Westphalen

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

Within 3 km, the terrain around Frederico Westphalen has significant variations in elevation — a maximum elevation change of 259 m around an average of 501 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 379 m; within 80 km, large variations in elevation — a maximum elevation change of 703 m.

The land around Frederico Westphalen is covered by trees (45%) and grassland (20%) within 3 km, trees (47%) and cropland (32%) within 16 km, and trees (50%) and cropland (40%) within 80 km.

3 km
259 m
16 km
379 m
80 km
703 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Itapiranga 38 km · Palmitos 40 km · Três Passos 54 km · Palmeira das Missões 61 km · Pinhalzinho 69 km · Maravilha 70 km · São Miguel d'Oeste 72 km · El Soberbio 80 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 Frederico Westphalen (-27.3592°, -53.3944°, elevation 528 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).