Fortim weather in January

In January, Fortim sees average daytime highs of 30°C and overnight lows near 26°C, with 86 mm of rain across 15.1 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 37% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of January to 12 h 12 min by month's end. Set against the rest of the year, January is Fortim's 9th-clearest and 8th-windiest month. For the whole year in context, see Fortim's year-round climate.

Daytime high
30°
4th warmest
Overnight low
26°
11th coldest
Rainfall
86 mm
15.1 wet days
Daylight
12 h 12 min
5:34 AM – 5:47 PM
Cloud cover
55%
9th clearest
Wind
20 km/h
8th windiest
Solar energy
6.04 kWh/m²
Travel score
4.7
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Fortim reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13026
23026
33026
43026
53026
63026
73026
83026
93026
103026
113026
123026
133026
142926
152926
162926
172926
182926
192925
202925
212925
222925
232925
242925
252925
262926
272926
282926
292926
302926
312926

How January really feels in Fortim

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.

Fortim weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 26°8615.112.24.7
Feb29° / 25°12017.312.14.3
Mar29° / 25°19622.7123.9
Apr29° / 25°21022.711.93.8
May30° / 25°10914.611.84.8
Jun29° / 25°579.811.75.6
Jul29° / 24°314.911.86.3
Aug30° / 24°40.911.96.8
Sep30° / 24°20.5127.0
Oct30° / 25°20.512.16.9
Nov30° / 26°41.112.26.6
Dec30° / 26°195.712.35.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26337
36238
46139
55941
65842
75842
85743
95644
105545
115446
125347
135347
145347
155248
165248
175248
185248
195347
205347
215347
225347
235446
245347
255347
265347
275446
285446
295446
305446
315446

Chance of precipitation in January

Any precipitation

Fortim gets around 86 mm of rain over 15.1 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 48% and peaks near 57% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
133
234
335
436
537
638
739
840
942
1043
1144
1246
1347
1449
1550
1651
1753
1853
1954
2055
2156
2256
2356
2457
2557
2657
2756
2856
2956
3055
3154

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
11936
21927
31927
41918
50928
60919
70919
809010
909010
1008911
1108911
1208911
1308911
1408812
1508812
1608812
1708713
1808713
1908713
2008614
2108614
2208614
2308614
2408515
2508515
2608515
2708416
2808317
2908317
3008218
3108218

Wind in January

Winds average 20 km/h in January.

Across January, daily wind ranges from about 19 km/h on the calmest days to 22 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202531
Wind speed (km/h)Feels
122breezy
221breezy
321breezy
421breezy
521breezy
621breezy
721breezy
821breezy
920breezy
1020breezy
1120breezy
1220light breeze
1320light breeze
1420light breeze
1520light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2819light breeze
2919light breeze
3019light breeze
3119light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 18 min at the start of January to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over January. Sunrise moves from 5:27 AM to 5:39 AM, and sunset from 5:42 PM to 5:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:275:42
212.35:275:42
312.35:285:43
412.35:285:43
512.25:295:44
612.25:295:44
712.25:305:44
812.25:305:45
912.25:305:45
1012.25:315:45
1112.25:315:46
1212.25:325:46
1312.25:325:47
1412.25:335:47
1512.25:335:47
1612.25:345:47
1712.25:345:48
1812.25:345:48
1912.25:355:48
2012.25:355:48
2112.25:355:49
2212.25:365:49
2312.25:365:49
2412.25:375:49
2512.25:375:50
2612.25:375:50
2712.25:385:50
2812.25:385:50
2912.25:385:50
3012.25:385:50
3112.25:395:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.04 kWh/m².

For context, solar energy here swings from a low near 5.12 kWh/m² to a high of 6.94 kWh/m² in October across the year — January's 6.04 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.1Intense
96.1Intense
106.1Intense
116.1Intense
126.0Intense
136.0Intense
146.0Intense
156.0Intense
166.0Bright
176.0Bright
186.0Bright
196.0Bright
206.0Bright
216.0Bright
226.0Bright
236.0Bright
246.0Bright
256.0Bright
266.0Bright
276.0Bright
286.0Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in January

Hazard calendar for Fortim

In seasonPeak

None of Fortim's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Fortim's monsoon runs February–May, 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 Fortim?

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

4.7
Sightseeing
9th-best month of the year
6.3
Beach & pool
9th-best month of the year

January is a reasonable time to visit Fortim for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Fortim in January

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

In January, Fortim sees daytime highs around 30°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 15 days see rain.

light clothesrain gearsun protection

Sea temperature near Fortim in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in April at about 29°C and coldest in August near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun28Warm
Jul27Warm
Aug27Warm
Sep27Warm
Oct27Warm
Nov28Warm
Dec28Warm

UV index in Fortim in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Fortim peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 12 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 16UV 15Jul 12UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar15Extreme
Apr14Extreme
May11Extreme
Jun10Very high
Jul10Very high
Aug10Extreme
Sep12Extreme
Oct12Extreme
Nov12Extreme
Dec11Extreme
Location & terrain

Where is Fortim?

Fortim sits at 4.5°S, 37.8°W, 24 m above sea level, in Brazil. The nearest listed city is Aracati, 13 km away.

Topography around Fortim

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

Within 3 km, the terrain around Fortim has only modest variations in elevation — a maximum elevation change of 38 m around an average of 18 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 79 m; within 80 km, significant variations in elevation — a maximum elevation change of 277 m.

The land around Fortim is covered by grassland (34%) and trees (23%) within 3 km, water (44%) and trees (26%) within 16 km, and water (34%), shrubs (30%) and grassland (21%) within 80 km.

3 km
38 m
16 km
79 m
80 km
277 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
January weather nearby: Aracati 13 km · Jaguaruana 43 km · Beberibe 48 km · Icapuí 57 km · Russas 58 km · Cascavel 61 km · Quixeré 72 km · Baraúna 73 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 Fortim (-4.4519°, -37.7972°, elevation 24 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).