San Juan Bautista weather in January

In January, San Juan Bautista sees average daytime highs of 33°C and overnight lows near 22°C, with 125 mm of rain across 12.2 wet days and about 13.5 hours of daylight. It is the 1st-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 42% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 13 h 36 min at the start of January to 13 h 18 min by month's end. Set against the rest of the year, January is San Juan Bautista's 8th-clearest and 10th-windiest month. For the whole year in context, see San Juan Bautista's year-round climate.

Daytime high
33°
1st warmest
Overnight low
22°
12th coldest
Rainfall
125 mm
12.2 wet days
Daylight
13 h 30 min
6:13 AM – 7:43 PM
Cloud cover
52%
8th clearest
Wind
11 km/h
10th windiest
Solar energy
6.72 kWh/m²
Travel score
3.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical January day in San Juan Bautista reaches about 33°C in the afternoon and slips back to 22°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, January runs about 1°C warmer than December and about 1°C warmer than February.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63323
73323
83323
93323
103323
113323
123323
133323
143323
153323
163322
173322
183322
193322
203322
213322
223322
233322
243322
253322
263322
273323
283323
293323
303322
313322

How January really feels in San Juan Bautista

Once humidity and wind are folded in, January averages 31 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
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

San Juan Bautista weather by month

How January compares with the rest of the year at a glance. January is the 1st-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°12512.213.53.5
Feb32° / 22°1361212.93.8
Mar31° / 21°1251112.24.7
Apr28° / 18°1559.611.46.4
May24° / 15°1348.710.77.1
Jun22° / 13°1148.410.46.9
Jul22° / 12°948.210.57.1
Aug24° / 13°767.211.17.7
Sep26° / 15°1339.211.87.0
Oct28° / 18°18811.912.65.9
Nov30° / 19°16710.613.35.2
Dec32° / 21°1701213.64.1

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 17% of January, with mostly cloudy or overcast conditions the remaining 41%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15842
25842
35842
45941
56040
66040
76040
86040
96040
106040
116040
126040
136040
146040
156040
166040
175941
185941
195941
205941
215941
225941
235842
245842
255842
265842
275842
285842
295842
305842
315842

Chance of precipitation in January

Any precipitation

San Juan Bautista gets around 125 mm of rain over 12.2 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 42% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
140
240
340
440
540
639
739
839
939
1038
1138
1238
1338
1438
1539
1639
1739
1839
1939
2040
2140
2240
2340
2441
2541
2641
2742
2842
2942
3042
3142

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 49% of days. Sticky, muggy-or-worse air turns up on roughly 83% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11613244511
21613244511
31613244412
41613244412
51613244412
62612254412
72612254311
82612254411
92612264410
102612264510
11261226459
12251226468
13251127478
14251127487
15241127496
16241127506
17241127515
18241127515
19231127534
20231127534
21231127534
22131127544
23131127544
24131127544
25131128534
26131127544
27131028544
28121028554
29021029554
30021029545
31031129525

Wind in January

Winds average 11 km/h in January.

Across January, daily wind ranges from about 11 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 36 min at the start of January to 13 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over January. Sunrise moves from 6:02 AM to 6:24 AM, and sunset from 7:41 PM to 7:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.66:027:41
213.66:037:41
313.66:047:42
413.66:047:42
513.66:057:42
613.66:057:42
713.66:067:43
813.66:077:43
913.66:087:43
1013.66:087:43
1113.66:097:43
1213.66:107:43
1313.56:107:43
1413.56:117:43
1513.56:127:43
1613.56:137:43
1713.56:137:43
1813.56:147:43
1913.56:157:43
2013.46:167:43
2113.46:167:43
2213.46:177:42
2313.46:187:42
2413.46:197:42
2513.46:207:42
2613.46:207:41
2713.36:217:41
2813.36:227:41
2913.36:237:40
3013.36:237:40
3113.36:247:40

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.72 kWh/m².

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 6.75 kWh/m² in December across the year — January's 6.72 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.8Intense
56.8Intense
66.8Intense
76.8Intense
86.8Intense
96.8Intense
106.8Intense
116.8Intense
126.8Intense
136.8Intense
146.7Intense
156.7Intense
166.7Intense
176.7Intense
186.7Intense
196.7Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.4Intense
316.4Intense
Planning a trip in January

Is January a good time to visit San Juan Bautista?

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

3.5
Sightseeing
12th-best month of the year
6.1
Beach & pool
9th-best month of the year

January is a weaker month for outdoor sightseeing in San Juan Bautista. The water and warmth also suit a beach or pool day.

What to pack for San Juan Bautista in January

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

In January, San Juan Bautista sees daytime highs around 33°C and nights near 22°C. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

UV index in San Juan Bautista in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 14 (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 Juan Bautista peaks around January 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateVery highExtremeJan 18UV 14Jun 20UV 4
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun4Moderate
Jul4Moderate
Aug5Moderate
Sep8Very high
Oct7Very high
Nov12Extreme
Dec13Extreme

Air quality in San Juan Bautista in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in San Juan Bautista is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (May, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodSep 1119 µg/m³May 157 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar9Good
Apr8Good
May7Good
Jun8Good
Jul11Good
Aug17Moderate
Sep19Moderate
Oct12Good
Nov9Good
Dec7Good
Location & terrain

Where is San Juan Bautista?

San Juan Bautista sits at 26.7°S, 57.1°W, 103 m above sea level, in Paraguay. The nearest listed city is Caazapá, 93 km away.

CaazapáItuzaingóFormosaPilarVillarricaItáCaacupéItauguá

Topography around San Juan Bautista

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

Within 3 km, the terrain around San Juan Bautista has only modest variations in elevation — a maximum elevation change of 62 m around an average of 108 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, significant variations in elevation — a maximum elevation change of 491 m.

The land around San Juan Bautista is covered by grassland (55%) and trees (39%) within 3 km, grassland (71%) within 16 km, and grassland (58%) within 80 km.

3 km
62 m
16 km
119 m
80 km
491 m
treesgrasslandcroplandartificial surfaceswaterwetland
January weather nearby: Caazapá 93 km · Ituzaingó 111 km · Formosa 116 km · Pilar 118 km · Villarrica 124 km · Itá 132 km · Caacupé 143 km · Itauguá 144 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 Juan Bautista (-26.6703°, -57.1407°, elevation 103 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).