Marialva weather in January

In January, Marialva sees average daytime highs of 29°C and overnight lows near 20°C, with 241 mm of rain across 21.7 wet days and about 13.3 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 18% 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 h 06 min by month's end. Set against the rest of the year, January is Marialva's 12th-clearest and 10th-windiest month. For the whole year in context, see Marialva's year-round climate.

Daytime high
29°
2nd warmest
Overnight low
20°
12th coldest
Rainfall
241 mm
21.7 wet days
Daylight
13 h 18 min
6:57 AM – 8:15 PM
Cloud cover
70%
12th clearest
Wind
8 km/h
10th windiest
Solar energy
5.76 kWh/m²
Travel score
3.9
out of 10

Marialva is 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 29°C through the month.

A typical January day in Marialva 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 26°C and 32°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

Marialva 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°24121.713.33.9
Feb29° / 20°19719.412.84.0
Mar29° / 20°13716.812.24.7
Apr27° / 18°869.211.56.5
May24° / 15°1018.310.97.3
Jun23° / 14°947.610.67.5
Jul23° / 13°686.310.77.8
Aug26° / 14°68611.27.8
Sep27° / 16°118911.96.8
Oct28° / 18°15613.912.65.4
Nov29° / 19°16014.213.14.9
Dec29° / 20°18818.713.44.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in January, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of January, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13466
23466
33367
43367
53367
63268
73268
83268
93268
103268
113268
123169
133169
143367
153367
163367
173268
183268
193367
203367
213367
223367
233367
243466
253565
263565
273664
283664
293763
303763
313862

Chance of precipitation in January

Any precipitation

Marialva gets around 241 mm of rain over 21.7 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 69% and peaks near 71% on the wettest days.

0%20%40%60%80%151015202531
Rain chance (%)
170
270
371
471
571
671
771
871
971
1070
1170
1270
1369
1469
1568
1668
1767
1867
1967
2067
2167
2268
2368
2468
2569
2669
2769
2869
2970
3070
3170

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 47% of days. Sticky, muggy-or-worse air turns up on roughly 88% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
12144441
22134441
32124441
42124542
52114642
62104642
72104741
8294841
9294941
10294941
11284941
12184941
13194941
14194941
15194941
161104841
171104841
181114741
191114741
201124641
211124641
221124541
231124541
241134541
251134541
261124641
271124641
281124640
291124740
301124740
311124739

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
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 h 06 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 6:48 AM to 7:08 AM, and sunset from 8:13 PM to 8:13 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.46:488:13
213.46:488:13
313.46:498:14
413.46:498:14
513.46:508:14
613.46:518:14
713.46:518:15
813.46:528:15
913.46:538:15
1013.46:538:15
1113.46:548:15
1213.36:558:15
1313.36:558:15
1413.36:568:15
1513.36:578:15
1613.36:578:15
1713.36:588:15
1813.36:598:15
1913.37:008:15
2013.37:008:15
2113.27:018:15
2213.27:028:15
2313.27:028:15
2413.27:038:15
2513.27:048:15
2613.27:048:14
2713.27:058:14
2813.17:068:14
2913.17:068:14
3013.17:078:13
3113.17:088:13

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.76 kWh/m².

For context, solar energy here swings from a low near 3.33 kWh/m² to a high of 6.13 kWh/m² in November across the year — January's 5.76 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.8Bright
165.8Bright
175.8Bright
185.8Bright
195.8Bright
205.8Bright
215.8Bright
225.8Bright
235.8Bright
245.8Bright
255.8Bright
265.7Bright
275.7Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Is January a good time to visit Marialva?

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

3.9
Sightseeing
12th-best month of the year
5.1
Beach & pool
12th-best month of the year

January is a weaker month for outdoor sightseeing in Marialva.

What to pack for Marialva in January

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

In January, Marialva sees daytime highs around 29°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 Marialva 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 Marialva peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 12 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighExtremeJan 20UV 15Sep 12UV 5
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7High
Sep5Moderate
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Marialva 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 Marialva is worst in September — around 23 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1422 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb9Good
Mar9Good
Apr11Good
May13Moderate
Jun12Moderate
Jul14Moderate
Aug18Moderate
Sep23Moderate
Oct15Moderate
Nov9Good
Dec9Good
Location & terrain

Where is Marialva?

Marialva sits at 23.5°S, 51.8°W, 730 m above sea level, in Brazil. The nearest listed city is Sarandi, 10 km away.

Topography around Marialva

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

Within 3 km, the terrain around Marialva has only modest variations in elevation — a maximum elevation change of 164 m around an average of 596 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 416 m; within 80 km, large variations in elevation — a maximum elevation change of 944 m.

The land around Marialva is covered by cropland (44%), trees (24%) and artificial surfaces (23%) within 3 km, cropland (48%) and trees (25%) within 16 km, and cropland (66%) within 80 km.

3 km
164 m
16 km
416 m
80 km
944 m
treesgrasslandcroplandartificial surfaces
January weather nearby: Sarandi 10 km · Mandaguari 12 km · Maringá 16 km · Jandaia do Sul 20 km · Paiçandu 26 km · Astorga 31 km · Apucarana 35 km · Mandaguaçu 35 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 Marialva (-23.485°, -51.7917°, elevation 730 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).