Fray Bentos weather in May

In May, Fray Bentos sees average daytime highs of 20°C and overnight lows near 11°C, with 79 mm of rain across 6.3 wet days and about 10.3 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 21°C in the first days to 18°C by the end. The sky is clear or mostly clear about 34% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 42 min at the start of May to 10 hours by month's end. Set against the rest of the year, May is Fray Bentos's 12th-clearest and 11th-windiest month. For the whole year in context, see Fray Bentos's year-round climate.

Daytime high
20°
9th warmest
Overnight low
11°
5th coldest
Rainfall
79 mm
6.3 wet days
Daylight
10 h 18 min
8:41 AM – 6:58 PM
Cloud cover
58%
12th clearest
Wind
12 km/h
11th windiest
Solar energy
2.69 kWh/m²
Travel score
6.7
out of 10

Fray Bentos is capital city of the Río Negro Department, southwestern Uruguay.

Density
2,434/km²
people per km²
Founded
1859

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 21°C in the first days to 18°C by the end.

A typical May day in Fray Bentos reaches about 20°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12112
22112
32112
42112
52112
62112
72112
82112
92112
102012
112012
122012
132012
142011
152011
162011
171911
181911
191911
201911
211911
221911
231911
241810
251810
261810
271810
281810
291810
301810
311810

Fray Bentos weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°1017.413.95.4
Feb29° / 19°1097.713.25.9
Mar27° / 18°1157.912.37.0
Apr23° / 14°1317.911.27.3
May20° / 11°796.310.36.7
Jun17° / 686.49.95.7
Jul16° / 626.1105.5
Aug18° / 866.510.86.5
Sep20° / 11°887.111.86.8
Oct23° / 13°1199.312.87.1
Nov26° / 16°102713.77.3
Dec29° / 18°123814.16.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in May, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 52%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35248
45347
55248
65248
75149
85149
95050
105050
115050
124951
134951
144753
154654
164654
174654
184654
194654
204555
214555
224654
234555
244555
254555
264555
274555
284654
294654
304753
314753

Chance of precipitation in May

Any precipitation

Fray Bentos gets around 79 mm of rain over 6.3 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 20% and peaks near 23% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
123
222
322
422
522
621
721
821
921
1020
1120
1220
1320
1420
1521
1621
1720
1820
1920
2020
2120
2220
2319
2419
2519
2619
2719
2818
2918
3018
3118

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 63% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
152231861
253221861
354221860
455221760
555221760
655221760
756221660
857221650
958221550
1058221550
1158221550
1259221450
1360221440
1460221440
1561211440
1661211440
1762201440
1862201440
1963191440
2065181430
2166171430
2267161430
2368161330
2469151330
2570151230
2671141230
2773141120
2874141020
297514920
307514920
317614820

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
112calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1112calm
1212calm
1312calm
1412calm
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 42 min at the start of May to 10 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over May. Sunrise moves from 8:29 AM to 8:51 AM, and sunset from 7:12 PM to 6:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.78:297:12
210.78:307:11
310.68:317:10
410.68:327:09
510.68:327:08
610.68:337:07
710.58:347:06
810.58:357:05
910.58:357:04
1010.48:367:03
1110.48:377:02
1210.48:387:01
1310.48:387:01
1410.38:397:00
1510.38:406:59
1610.38:416:58
1710.38:416:58
1810.28:426:57
1910.28:436:56
2010.28:436:56
2110.28:446:55
2210.28:456:55
2310.18:466:54
2410.18:466:53
2510.18:476:53
2610.18:486:52
2710.18:486:52
2810.08:496:52
2910.08:506:51
3010.08:506:51
3110.08:516:50

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.69 kWh/m².

For context, solar energy here swings from a low near 2.31 kWh/m² to a high of 7.29 kWh/m² in December across the year — May's 2.69 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.1Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
73.0Moderate
82.9Moderate
92.9Moderate
102.9Moderate
112.8Moderate
122.8Moderate
132.8Moderate
142.7Moderate
152.7Moderate
162.7Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.5Moderate
222.5Moderate
232.5Moderate
242.5Moderate
252.5Moderate
262.5Moderate
272.4Moderate
282.4Moderate
292.4Moderate
302.4Moderate
312.4Moderate
Planning a trip in May

Is May a good time to visit Fray Bentos?

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

6.7
Sightseeing
6th-best month of the year
3.2
Beach & pool
9th-best month of the year

May is a reasonable time to visit Fray Bentos for sightseeing.

What to pack for Fray Bentos in May

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

In May, Fray Bentos sees daytime highs around 20°C and nights near 11°C. Little to plan around — just the basics. About 6 days see rain.

UV index in Fray Bentos in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fray Bentos peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 20UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Fray Bentos?

Fray Bentos sits at 33.1°S, 58.3°W, 17 m above sea level, in Uruguay. The nearest listed city is Gualeguaychú, 23 km away.

MercedesDoloresConcepción del UruguayYoungPaysandúCarmelo

Topography around Fray Bentos

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

Within 3 km, the terrain around Fray Bentos has only modest variations in elevation — a maximum elevation change of 43 m around an average of 11 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 66 m; within 80 km, only modest variations in elevation — a maximum elevation change of 132 m.

The land around Fray Bentos is covered by water (35%) within 3 km, cropland (24%), water (23%) and grassland (22%) within 16 km, and cropland (43%) and grassland (29%) within 80 km.

3 km
43 m
16 km
66 m
80 km
132 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Gualeguaychú 23 km · Mercedes 30 km · Dolores 47 km · Concepción del Uruguay 71 km · Young 79 km · Paysandú 91 km · Gualeguay 93 km · Carmelo 98 km

Uruguay travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / I / L
230 V · 50 Hz
Prices
≈ 66% of US
price level, 2025
GDP per capita
$25,216
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
11.2
per 100k, 2023
Road deaths
14.8
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 542
Religion
none 47%Roman Catholic 37%Protestant 15%atheist 10%

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 Fray Bentos (-33.1165°, -58.3107°, elevation 17 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).