Santa Juliana weather in January

In January, Santa Juliana sees average daytime highs of 28°C and overnight lows near 20°C, with 226 mm of rain across 22 wet days and about 13 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 10% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 06 min at the start of January to 12 h 54 min by month's end. Set against the rest of the year, January is Santa Juliana's 11th-clearest and 9th-windiest month. For the whole year in context, see Santa Juliana's year-round climate.

Daytime high
28°
6th warmest
Overnight low
20°
12th coldest
Rainfall
226 mm
22 wet days
Daylight
13 hours
6:48 AM – 7:51 PM
Cloud cover
80%
11th clearest
Wind
8 km/h
9th windiest
Solar energy
5.45 kWh/m²
Travel score
4.5
out of 10

Santa Juliana is human settlement in Brazil.

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical January day in Santa Juliana reaches about 28°C in the afternoon and slips back to 20°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12719
22719
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142720
152820
162820
172820
182820
192820
202820
212820
222820
232820
242820
252820
262820
272820
282820
292820
302820
312820

Santa Juliana weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°22622134.5
Feb28° / 19°16218.312.74.7
Mar28° / 19°16219.912.14.9
Apr27° / 18°6110.311.66.5
May26° / 15°294.711.17.8
Jun25° / 14°101.510.98.6
Jul25° / 13°61118.7
Aug27° / 14°11211.38.2
Sep29° / 17°476.811.96.3
Oct29° / 19°10113.412.45.1
Nov28° / 19°17920.612.94.6
Dec27° / 19°24324.313.14.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 11% of January, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11882
21882
31882
41882
51882
61882
71981
81981
91981
102080
112080
122080
132080
142080
152179
162179
172278
182377
192377
202377
212377
222377
232278
242278
252377
262377
272377
282377
292476
302476
312575

Chance of precipitation in January

Any precipitation

Santa Juliana gets around 226 mm of rain over 22 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 71% and peaks near 74% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
174
273
373
472
572
671
771
870
970
1070
1169
1269
1369
1469
1569
1669
1769
1870
1970
2071
2171
2272
2372
2472
2572
2672
2772
2872
2972
3072
3172

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the muggy band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)
112574
212574
312574
412574
512673
612673
712673
812772
912772
1012871
1122870
1222870
1322969
1422969
1522969
1622969
1722870
1822870
1922771
2022771
2122672
2222573
2322573
2422474
2522474
2622375
2722375
2822375
2922375
3022375
3122474

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 06 min at the start of January to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over January. Sunrise moves from 6:39 AM to 6:57 AM, and sunset from 7:48 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.16:397:48
213.16:397:48
313.16:407:48
413.16:417:49
513.16:417:49
613.16:427:49
713.16:427:49
813.16:437:50
913.16:447:50
1013.16:447:50
1113.16:457:50
1213.16:457:50
1313.16:467:50
1413.16:477:51
1513.16:477:51
1613.06:487:51
1713.06:497:51
1813.06:497:51
1913.06:507:51
2013.06:507:51
2113.06:517:51
2213.06:527:51
2313.06:527:51
2413.06:537:51
2513.06:547:51
2612.96:547:51
2712.96:557:50
2812.96:557:50
2912.96:567:50
3012.96:577:50
3112.96:577:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.45 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 6.04 kWh/m² in October across the year — January's 5.45 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.5Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
315.6Bright
Planning a trip in January

Hazard calendar for Santa Juliana

In seasonPeak

In January, Santa Juliana sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

Santa Juliana's monsoon runs November–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Santa Juliana?

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

4.5
Sightseeing
11th-best month of the year
4.7
Beach & pool
11th-best month of the year

January is a reasonable time to visit Santa Juliana for sightseeing.

What to pack for Santa Juliana in January

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

In January, Santa Juliana sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Santa Juliana in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Juliana peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 20 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 10UV 16Jun 20UV 7
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May8Very high
Jun7Very high
Jul8Very high
Aug9Very high
Sep11Extreme
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Santa Juliana 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 Santa Juliana is worst in September — around 22 µg/m³ PM2.5 (moderate), about 3.9× the cleanest month (July, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1621 µg/m³Jul 106 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar7Good
Apr7Good
May7Good
Jun6Good
Jul6Good
Aug11Good
Sep22Moderate
Oct11Good
Nov6Good
Dec6Good
Location & terrain

Where is Santa Juliana?

Santa Juliana sits at 19.3°S, 47.5°W, 936 m above sea level, in Brazil. The nearest listed city is Perdizes, 25 km away.

Topography around Santa Juliana

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

Within 3 km, the terrain around Santa Juliana has only modest variations in elevation — a maximum elevation change of 136 m around an average of 969 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 271 m; within 80 km, large variations in elevation — a maximum elevation change of 779 m.

The land around Santa Juliana is covered by cropland (52%) and grassland (21%) within 3 km, cropland (57%) within 16 km, and cropland (42%), grassland (26%) and trees (25%) within 80 km.

3 km
136 m
16 km
271 m
80 km
779 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Perdizes 25 km · Sacramento 63 km · Uberaba 65 km · Monte Carmelo 65 km · Araxá 69 km · Patrocínio 69 km · Igarapava 84 km · Uberlândia 90 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Santa Juliana (-19.3086°, -47.5253°, elevation 936 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).