Paysandú weather in December

In December, Paysandú sees average daytime highs of 30°C and overnight lows near 18°C, with 118 mm of rain across 7.8 wet days and about 14.1 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Highs climb over the month, from about 28°C in the first days to 31°C by the end. The sky is clear or mostly clear about 50% of the time in December, and the air most often feels humid.

Daylight stretches from about 14 hours at the start of December to 14 h 06 min by month's end. Set against the rest of the year, December is Paysandú's 2nd-clearest and 6th-windiest month. For the whole year in context, see Paysandú's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
18°
10th coldest
Rainfall
118 mm
7.8 wet days
Daylight
14 h 06 min
6:45 AM – 8:52 PM
Cloud cover
46%
2nd clearest
Wind
12 km/h
6th windiest
Solar energy
7.26 kWh/m²
Travel score
5.7
out of 10

Paysandú is city; capital of Paysandú Department, Uruguay.

Density
3,798/km²
people per km²
Founded
1749

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 28°C in the first days to 31°C by the end.

A typical December day in Paysandú reaches about 30°C in the afternoon and slips back to 18°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 34°C. Set against its neighbours, December runs about 3°C warmer than November and about 1°C cooler than January.

10°20°30°40°151015202531
Avg high (°C)Avg low (°C)
12817
22817
32917
42917
52917
62917
72917
82917
92917
102917
112917
122917
132917
142918
152918
163018
173018
183018
193018
203018
213018
223018
233019
243019
253019
263019
273019
283119
293119
303119
313119

Paysandú weather by month

How December compares with the rest of the year at a glance. December is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°1058.413.95.0
Feb30° / 19°112813.25.5
Mar28° / 17°1228.112.26.6
Apr24° / 14°1408.411.27.3
May20° / 11°907.210.46.8
Jun17° / 857.19.96.0
Jul17° / 726.410.15.8
Aug19° / 896.910.86.7
Sep21° / 10°967.711.86.9
Oct24° / 13°125912.87.1
Nov27° / 15°1077.313.77.0
Dec30° / 18°1187.814.15.7

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 50% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 39%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16040
26040
36139
46139
56238
66238
76337
86337
96337
106337
116337
126337
136337
146238
156238
166238
176139
186139
196139
206040
216040
225941
235941
245941
255941
265842
275941
285941
295941
306040
316040

Chance of precipitation in December

Any precipitation

Paysandú gets around 118 mm of rain over 7.8 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
126
225
325
425
525
625
724
824
924
1024
1124
1225
1325
1425
1526
1626
1726
1827
1927
2027
2127
2227
2326
2426
2526
2626
2726
2826
2926
3026
3127

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 27% of days. Sticky, muggy-or-worse air turns up on roughly 26% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
13030241420
23030251420
33029251420
43028261420
53028261420
62927271420
72927271430
82827281430
92726291430
102726291530
112626301530
122526301530
132426301640
142326301640
152226301740
162225301850
172125301950
182024302060
191923302160
201923292270
211822292280
221722282390
231721282490
2416212725101
2516202626111
2616202527121
2715192528121
2815192428131
2915182428141
3014182429141
3114182429151

Wind in December

Winds average 12 km/h in December.

Across December, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
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
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 14 hours at the start of December to 14 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over December. Sunrise moves from 6:43 AM to 6:53 AM, and sunset from 8:41 PM to 8:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
114.06:438:41
214.06:438:42
314.06:438:43
414.06:438:43
514.06:438:44
614.06:438:45
714.06:438:46
814.16:438:46
914.16:438:47
1014.16:448:48
1114.16:448:49
1214.16:448:49
1314.16:448:50
1414.16:458:51
1514.16:458:51
1614.16:458:52
1714.16:468:52
1814.16:468:53
1914.16:468:53
2014.16:478:54
2114.16:478:54
2214.16:488:55
2314.16:488:55
2414.16:498:56
2514.16:498:56
2614.16:508:57
2714.16:508:57
2814.16:518:57
2914.16:518:58
3014.16:528:58
3114.16:538:58

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 7.26 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 7.26 kWh/m² in December across the year — December's 7.26 kWh/m² sits near the top of that range.

02468151015202531
Solar energy (kWh/m²)Level
17.2Intense
27.2Intense
37.2Intense
47.2Intense
57.3Intense
67.3Intense
77.3Intense
87.3Intense
97.3Intense
107.3Intense
117.3Intense
127.3Intense
137.3Intense
147.3Intense
157.3Intense
167.3Intense
177.3Intense
187.2Intense
197.2Intense
207.2Intense
217.2Intense
227.2Intense
237.2Intense
247.2Intense
257.2Intense
267.2Intense
277.2Intense
287.2Intense
297.2Intense
307.2Intense
317.2Intense
Planning a trip in December

Is December a good time to visit Paysandú?

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

5.7
Sightseeing
10th-best month of the year
7.4
Beach & pool
1st-best month of the year

December is a reasonable time to visit Paysandú for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Paysandú in December

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

In December, Paysandú sees daytime highs around 30°C and nights near 18°C. Pack light clothes and sun protection. About 8 days see rain.

light clothessun protection

UV index in Paysandú in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Paysandú 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 — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 15UV 13Jun 20UV 3
UV index (midday)Level
Jan14Extreme
Feb11Extreme
Mar10Very high
Apr7High
May4Moderate
Jun3Moderate
Jul3Moderate
Aug5Moderate
Sep7High
Oct9Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Paysandú?

Paysandú sits at 32.3°S, 58.1°W, 44 m above sea level, in Uruguay. The nearest listed city is Colón, 12 km away.

YoungGualeguaychúFray BentosConcordiaSalto

Topography around Paysandú

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

Within 3 km, the terrain around Paysandú has only modest variations in elevation — a maximum elevation change of 62 m around an average of 24 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, only modest variations in elevation — a maximum elevation change of 153 m.

The land around Paysandú is covered by artificial surfaces (46%) and grassland (22%) within 3 km, grassland (46%), trees (22%) and cropland (22%) within 16 km, and grassland (39%), cropland (35%) and trees (22%) within 80 km.

3 km
62 m
16 km
80 m
80 km
153 m
treesgrasslandcroplandartificial surfaceswaterwetland
December weather nearby: Colón 12 km · Concepción del Uruguay 23 km · Young 60 km · Gualeguaychú 87 km · Fray Bentos 91 km · Villaguay 102 km · Concordia 103 km · Salto 104 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 Paysandú (-32.3171°, -58.0807°, elevation 44 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).