Dolores weather in May

In May, Dolores sees average daytime highs of 19°C and overnight lows near 11°C, with 76 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 17°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 Dolores's 12th-clearest and 10th-windiest month. For the whole year in context, see Dolores's year-round climate.

Daytime high
19°
9th warmest
Overnight low
11°
5th coldest
Rainfall
76 mm
6.3 wet days
Daylight
10 h 18 min
8:41 AM – 6:57 PM
Cloud cover
58%
12th clearest
Wind
12 km/h
10th windiest
Solar energy
2.7 kWh/m²
Travel score
6.6
out of 10

Dolores is city in Uruguay.

Density
2,564/km²
people per km²
Founded
1801

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 17°C by the end.

A typical May day in Dolores reaches about 19°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
72012
82011
92011
102011
112011
122011
132011
142011
151911
161911
171911
181911
191911
201910
211910
221810
231810
241810
251810
261810
271810
28189
29179
30179
31179

Dolores 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° / 19°987.2145.5
Feb29° / 19°1118.113.26.0
Mar27° / 17°1147.712.37.1
Apr23° / 14°1218.411.27.2
May19° / 11°766.310.36.6
Jun16° / 696.89.85.5
Jul16° / 646.2105.2
Aug18° / 866.810.86.3
Sep20° / 10°817.111.86.7
Oct23° / 13°1229.612.87.0
Nov26° / 15°1037.113.77.3
Dec29° / 18°1157.914.26.2

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
35347
45347
55347
65347
75347
85248
95248
105149
115050
125050
134951
144852
154753
164753
174753
184555
194456
204456
214456
224456
234456
244456
254456
264456
274555
284555
294555
304654
314753

Chance of precipitation in May

Any precipitation

Dolores gets around 76 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 24% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
124
224
323
423
522
622
721
821
920
1020
1120
1220
1320
1420
1520
1620
1720
1820
1920
2020
2120
2220
2320
2420
2520
2620
2719
2819
2919
3019
3119

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 66% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15723155
25823145
35823145
46022135
56022135
66022135
76122125
86122125
96222115
106322114
116322114
126322114
136322114
146422113
156521113
166421123
176520123
186520123
196519133
206718132
216817132
227016122
237115122
247115122
257314112
267314112
277513102
28761392
29761392
30771382
31781372

Wind in May

Winds average 12 km/h in May.

Across May, daily wind ranges from about 12 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
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212light breeze
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze
3112light breeze

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 8:30 AM to 8:51 AM, and sunset from 7:11 PM to 6:49 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.78:307:11
210.78:307:10
310.68:317:09
410.68:327:08
510.68:337:07
610.58:337:06
710.58:347:05
810.58:357:04
910.58:367:03
1010.48:367:02
1110.48:377:01
1210.48:387:00
1310.38:396:59
1410.38:406:59
1510.38:406:58
1610.38:416:57
1710.28:426:56
1810.28:436:56
1910.28:436:55
2010.28:446:54
2110.28:456:54
2210.18:456:53
2310.18:466:53
2410.18:476:52
2510.18:476:52
2610.08:486:51
2710.08:496:51
2810.08:506:50
2910.08:506:50
3010.08:516:49
3110.08:516:49

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 2.7 kWh/m².

For context, solar energy here swings from a low near 2.3 kWh/m² to a high of 7.41 kWh/m² in December across the year — May's 2.7 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.2Moderate
23.1Moderate
33.1Moderate
43.1Moderate
53.0Moderate
63.0Moderate
73.0Moderate
83.0Moderate
92.9Moderate
102.9Moderate
112.9Moderate
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 Dolores?

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

6.6
Sightseeing
6th-best month of the year
3.0
Beach & pool
9th-best month of the year

May is a reasonable time to visit Dolores for sightseeing.

What to pack for Dolores in May

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

In May, Dolores sees daytime highs around 19°C and nights near 11°C. Little to plan around — just the basics. About 6 days see rain.

Sea temperature near Dolores in May

The nearest coast averages about 17°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 67 km away) is warmest in January at about 25°C and coldest in July near 13°C.

It's comfortable for a long swim from Nov 8 to Apr 22 — about 5.5 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar24Refreshing
Apr21Refreshing
May17Cool
Jun14Bracing
Jul13Bracing
Aug14Bracing
Sep15Cool
Oct18Cool
Nov21Refreshing
Dec23Refreshing

UV index in Dolores 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 Dolores peaks around January 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 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 18UV 3
UV index (midday)Level
Jan13Extreme
Feb11Extreme
Mar10Very high
Apr6High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug4Moderate
Sep6High
Oct8Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Dolores?

Dolores sits at 33.5°S, 58.2°W, 22 m above sea level, in Uruguay. The nearest listed city is Mercedes, 35 km away.

MercedesFray BentosCarmeloGualeguaychúTigreYoung

Topography around Dolores

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

Within 3 km, the terrain around Dolores has only modest variations in elevation — a maximum elevation change of 30 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 71 m; within 80 km, only modest variations in elevation — a maximum elevation change of 165 m.

The land around Dolores is covered by cropland (37%) and grassland (25%) within 3 km, cropland (68%) within 16 km, and cropland (37%) and grassland (26%) within 80 km.

3 km
30 m
16 km
71 m
80 km
165 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Mercedes 35 km · Fray Bentos 47 km · Carmelo 53 km · Gualeguaychú 64 km · Zárate 98 km · Campana 98 km · Tigre 105 km · Young 108 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 Dolores (-33.5301°, -58.217°, elevation 22 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).