Santa Gertrudes weather in January

In January, Santa Gertrudes sees average daytime highs of 29°C and overnight lows near 20°C, with 290 mm of rain across 23.3 wet days and about 13.2 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 14% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 24 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Santa Gertrudes's 12th-clearest and 9th-windiest month. For the whole year in context, see Santa Gertrudes's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
20°
12th coldest
Rainfall
290 mm
23.3 wet days
Daylight
13 h 12 min
6:42 AM – 7:57 PM
Cloud cover
75%
12th clearest
Wind
8 km/h
9th windiest
Solar energy
5.6 kWh/m²
Travel score
3.7
out of 10

Santa Gertrudes is human settlement in Brazil.

Air quality
High
PM10 80 µg/m³ · 2016

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 29°C through the month.

A typical January day in Santa Gertrudes reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 33°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)
12920
22920
32920
42920
52920
62920
72920
82920
92920
102920
112920
122920
132920
142920
152920
162920
172920
182920
192920
202920
212920
222920
232920
242920
252920
262920
272920
282920
292920
302920
312920

Santa Gertrudes weather by month

How January compares with the rest of the year at a glance. January is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°29023.313.23.7
Feb30° / 20°21419.412.83.8
Mar29° / 20°17318.512.24.5
Apr28° / 18°688.511.56.4
May25° / 15°576.410.97.5
Jun25° / 14°394.510.78.1
Jul25° / 13°353.910.88.2
Aug27° / 14°324.111.27.8
Sep28° / 16°727.911.96.2
Oct29° / 18°1281412.54.9
Nov29° / 19°18416.413.14.6
Dec29° / 20°23021.413.43.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 14% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of January, with mostly cloudy or overcast conditions the remaining 71%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13070
22971
32971
42971
52773
62674
72674
82674
92674
102773
112773
122773
132773
142872
152872
162872
172872
182872
192971
202971
212971
222971
233070
243169
253169
263169
273268
283268
293268
303367
313466

Chance of precipitation in January

Any precipitation

Santa Gertrudes gets around 290 mm of rain over 23.3 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 74% and peaks near 75% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
171
271
371
472
572
673
773
874
974
1074
1174
1273
1373
1473
1573
1674
1774
1874
1974
2075
2175
2275
2375
2475
2575
2675
2775
2875
2975
3074
3173

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
11156717
21146718
31146619
41146619
51136620
61136620
70126820
80126721
90126721
101126621
111126621
121126522
131126522
141126522
151126522
161126423
171126423
181126423
191126423
201126324
211136224
221136224
231136224
242136025
252136025
262136025
272136025
283126025
293126025
303126025
314125925

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 24 min at the start of January to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over January. Sunrise moves from 6:33 AM to 6:52 AM, and sunset from 7:54 PM to 7:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:337:54
213.36:337:54
313.36:347:54
413.36:347:55
513.36:357:55
613.36:367:55
713.36:367:55
813.36:377:56
913.36:387:56
1013.36:387:56
1113.36:397:56
1213.36:407:56
1313.36:407:56
1413.36:417:56
1513.26:427:56
1613.26:427:57
1713.26:437:57
1813.26:447:57
1913.26:447:56
2013.26:457:56
2113.26:467:56
2213.26:467:56
2313.26:477:56
2413.16:487:56
2513.16:487:56
2613.16:497:56
2713.16:507:56
2813.16:507:55
2913.16:517:55
3013.16:527:55
3113.06:527:55

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.6 kWh/m².

For context, solar energy here swings from a low near 3.69 kWh/m² to a high of 5.99 kWh/m² in November across the year — January's 5.6 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.7Bright
175.7Bright
185.7Bright
195.7Bright
205.7Bright
215.7Bright
225.7Bright
235.7Bright
245.7Bright
255.7Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Santa Gertrudes

In seasonPeak

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

Santa Gertrudes'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 Gertrudes?

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

3.7
Sightseeing
12th-best month of the year
4.9
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Santa Gertrudes.

What to pack for Santa Gertrudes in January

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

In January, Santa Gertrudes sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Santa Gertrudes 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 Gertrudes peaks around January 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec14Extreme

Air quality in Santa Gertrudes 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 Gertrudes is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1032 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr22Moderate
May26Moderate
Jun28Moderate
Jul30Moderate
Aug31Moderate
Sep32Moderate
Oct22Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Santa Gertrudes?

Santa Gertrudes sits at 22.5°S, 47.5°W, 592 m above sea level, in Brazil. The nearest listed city is Rio Claro, 6.0 km away.

Topography around Santa Gertrudes

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

Within 3 km, the terrain around Santa Gertrudes has only modest variations in elevation — a maximum elevation change of 175 m around an average of 614 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 345 m; within 80 km, large variations in elevation — a maximum elevation change of 634 m.

The land around Santa Gertrudes is covered by cropland (36%) and trees (23%) within 3 km, cropland (47%) and trees (28%) within 16 km, and cropland (44%) and trees (31%) within 80 km.

3 km
175 m
16 km
345 m
80 km
634 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Rio Claro 6.0 km · Cordeirópolis 8.0 km · Iracemápolis 14 km · Limeira 18 km · Araras 19 km · Charqueada 26 km · Piracicaba 32 km · Engenheiro Coelho 33 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 Gertrudes (-22.4567°, -47.5303°, elevation 592 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).