San Lorenzo weather in April

In April, San Lorenzo sees average daytime highs of 28°C and overnight lows near 19°C, with 153 mm of rain across 9.5 wet days and about 11.4 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 27°C by the end. The sky is clear or mostly clear about 45% of the time in April, and the air most often feels muggy.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is San Lorenzo's 4th-clearest and 8th-windiest month. For the whole year in context, see San Lorenzo's year-round climate.

Daytime high
28°
7th warmest
Overnight low
19°
6th coldest
Rainfall
153 mm
9.5 wet days
Daylight
11 h 24 min
7:08 AM – 6:32 PM
Cloud cover
49%
4th clearest
Wind
11 km/h
8th windiest
Solar energy
4.3 kWh/m²
Travel score
6.1
out of 10

San Lorenzo is city in Paraguay.

Density
4,069/km²
people per km²
Founded
1775

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 27°C by the end.

A typical April day in San Lorenzo reaches about 28°C in the afternoon and slips back to 19°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°C. Set against its neighbours, April runs about 3°C cooler than March and about 4°C warmer than May.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13020
23020
33020
43020
53020
62920
72920
82920
92920
102920
112919
122919
132919
142919
152819
162819
172819
182819
192819
202819
212818
222818
232718
242718
252718
262718
272718
282718
292718
302617

How April really feels in San Lorenzo

Once humidity and wind are folded in, April 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

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

San Lorenzo weather by month

How April compares with the rest of the year at a glance. April is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°12112.713.43.4
Feb32° / 23°14012.412.93.7
Mar31° / 22°11710.812.24.5
Apr28° / 19°1539.511.46.1
May24° / 16°1408.710.87.1
Jun23° / 14°1058.810.57.1
Jul23° / 13°797.810.67.4
Aug25° / 15°676.711.17.7
Sep27° / 16°1138.811.86.9
Oct29° / 19°19512.112.65.3
Nov30° / 20°19011.313.24.8
Dec32° / 22°16212.813.53.9

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 13% of April, with mostly cloudy or overcast conditions the remaining 42%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36040
46040
56040
66040
76040
86040
95941
105941
115941
125941
135941
145941
155842
165842
175743
185743
195743
205743
215644
225644
235545
245545
255545
265545
275545
285545
295545
305545

Chance of precipitation in April

Any precipitation

San Lorenzo gets around 153 mm of rain over 9.5 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 31% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
132
231
331
431
531
631
731
831
931
1031
1131
1231
1331
1431
1531
1631
1732
1832
1932
2032
2132
2232
2332
2432
2532
2631
2731
2830
2930
3029

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the muggy band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1481934351
2481934341
3581934341
4581933341
5681933341
6681932341
7791831341
8891831331
98101830331
109101830321
119111830311
1210111830301
1310111830291
1410121931280
1510121931270
1610122031270
1710122032260
1811122032250
1911122132240
2011132133230
2111132134210
2211132234200
2311132234190
2412142235180
2512142235170
2613142235160
2714142235150
2815152235140
2916152235130
3017152234120

Wind in April

Winds average 11 km/h in April.

Across April, 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.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1812calm
1912calm
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
2812calm
2912calm
3012calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 7:01 AM to 7:15 AM, and sunset from 6:48 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.87:016:48
211.87:026:47
311.77:026:46
411.77:036:45
511.77:036:44
611.77:046:43
711.67:046:42
811.67:046:41
911.67:056:40
1011.67:056:38
1111.57:066:37
1211.57:066:36
1311.57:076:35
1411.57:076:34
1511.47:086:33
1611.47:086:32
1711.47:096:31
1811.47:096:30
1911.37:096:30
2011.37:106:29
2111.37:106:28
2211.37:116:27
2311.27:116:26
2411.27:126:25
2511.27:126:24
2611.27:136:23
2711.17:136:22
2811.17:146:22
2911.17:146:21
3011.17:156:20

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.3 kWh/m².

For context, solar energy here swings from a low near 2.78 kWh/m² to a high of 6.73 kWh/m² in January across the year — April's 4.3 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.3Bright
164.3Bright
174.2Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Bright
244.0Moderate
254.0Moderate
263.9Moderate
273.9Moderate
283.9Moderate
293.8Moderate
303.8Moderate
Planning a trip in April

Is April a good time to visit San Lorenzo?

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

6.1
Sightseeing
6th-best month of the year
7.0
Beach & pool
2nd-best month of the year

April is a reasonable time to visit San Lorenzo for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for San Lorenzo in April

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

In April, San Lorenzo sees daytime highs around 28°C and nights near 19°C. Pack light clothes. Worth having: rain gear. About 10 days see rain.

light clothesrain gear

UV index in San Lorenzo in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Lorenzo peaks around January 17 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 5 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 17UV 15Jul 15UV 5
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar11Extreme
Apr9Very high
May6High
Jun5Moderate
Jul5Moderate
Aug5High
Sep8Very high
Oct8Very high
Nov12Extreme
Dec13Extreme

Air quality in San Lorenzo in April

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.

Air quality in San Lorenzo is worst in September — around 33 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 933 µg/m³Dec 1312 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb18Moderate
Mar18Moderate
Apr13Moderate
May13Moderate
Jun14Moderate
Jul17Moderate
Aug32Moderate
Sep33Moderate
Oct21Moderate
Nov14Moderate
Dec12Good
Location & terrain

Where is San Lorenzo?

San Lorenzo sits at 25.3°S, 57.5°W, 119 m above sea level, in Paraguay. The nearest listed city is Fernando de la Mora, 1.0 km away.

Topography around San Lorenzo

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

Within 3 km, the terrain around San Lorenzo has only modest variations in elevation — a maximum elevation change of 89 m around an average of 133 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 196 m; within 80 km, significant variations in elevation — a maximum elevation change of 529 m.

The land around San Lorenzo is covered by artificial surfaces (53%) and trees (43%) within 3 km, trees (59%) and artificial surfaces (27%) within 16 km, and grassland (52%) and trees (41%) within 80 km.

3 km
89 m
16 km
196 m
80 km
529 m
treesgrasslandcroplandartificial surfaceswaterwetland
April weather nearby: Fernando de la Mora 1.0 km · Capiatá 7.0 km · Nemby 7.0 km · Villa Elisa 9.0 km · Lambaré 10 km · San Antonio 10 km · Areguá 13 km · Mariano Roque Alonso 15 km

Paraguay travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / N
220 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$7,027
2025
Happiness
6.2 / 10
World Happiness, 2025
Safe drinking water
64%
of population, 2024
Homicide rate
6.8
per 100k, 2023
Road deaths
22
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 531
Religion
Roman Catholic 80%Protestant 7%Believer 6%other 1%

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 San Lorenzo (-25.3397°, -57.5088°, elevation 119 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).