Atalaia weather in January

In January, Atalaia sees average daytime highs of 31°C and overnight lows near 23°C, with 53 mm of rain across 15.5 wet days and about 12.5 hours of daylight. It is the 4th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 32% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of January to 12 h 24 min by month's end. Set against the rest of the year, January is Atalaia's 6th-clearest and 4th-windiest month. For the whole year in context, see Atalaia's year-round climate.

Daytime high: 31°; 4th warmest
Overnight low: 23°; 10th coldest
Rainfall: 53 mm; 15.5 wet days
Daylight: 12 h 30 min; 5:18 AM – 5:48 PM
Cloud cover: 56%; 6th clearest
Wind: 10 km/h; 4th windiest
Solar energy: 6.05 kWh/m²
Travel score: 4.2; out of 10

Atalaia is human settlement in Brazil.

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

← December Atalaia year-round climate February →Best places to visit in January

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

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Atalaia reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, January runs on par with December and on par with February.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31	31
Avg low (°C)	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23

	Avg high (°C)	Avg low (°C)
1	31	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	31	23
21	31	23
22	31	23
23	31	23
24	31	23
25	31	23
26	31	23
27	31	23
28	31	23
29	31	23
30	31	23
31	31	23

How January really feels in Atalaia

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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

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

Atalaia weather by month

How January compares with the rest of the year at a glance. January is the 4th-warmest and 9th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	31° / 23°	53	15.5	12.5	4.2
Feb	31° / 23°	55	15.5	12.3	4.0
Mar	31° / 23°	64	17.6	12.1	4.0
Apr	30° / 23°	94	19.5	11.8	4.0
May	28° / 22°	115	22.7	11.6	4.3
Jun	27° / 21°	132	24.4	11.5	4.4
Jul	26° / 20°	130	25.1	11.5	4.5
Aug	26° / 20°	83	22	11.7	4.9
Sep	27° / 21°	59	18	11.9	5.3
Oct	29° / 21°	45	13.8	12.2	5.3
Nov	30° / 22°	32	10.1	12.4	5.0
Dec	31° / 23°	30	10.9	12.5	4.7

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 25% of January, with mostly cloudy or overcast conditions the remaining 43%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	58	58	58	58	58	59	59	59	58	58	58	58	57	57	56	56	55	56	56	56	56	56	56	56	57	57	57	58	58	58	59
Cloudier (%)	42	42	42	42	42	41	41	41	42	42	42	42	43	43	44	44	45	44	44	44	44	44	44	44	43	43	43	42	42	42	41

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	58	42
6	59	41
7	59	41
8	59	41
9	58	42
10	58	42
11	58	42
12	58	42
13	57	43
14	57	43
15	56	44
16	56	44
17	55	45
18	56	44
19	56	44
20	56	44
21	56	44
22	56	44
23	56	44
24	56	44
25	57	43
26	57	43
27	57	43
28	58	42
29	58	42
30	58	42
31	59	41

Chance of precipitation in January

Any precipitation

Atalaia gets around 53 mm of rain over 15.5 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 50% and peaks near 54% on the wettest days. The odds climb toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	41	41	42	43	44	45	46	47	48	49	50	51	52	53	53	54	54	54	54	54	53	53	53	53	53	53	52	52	52	52	51

	Rain chance (%)
1	41
2	41
3	42
4	43
5	44
6	45
7	46
8	47
9	48
10	49
11	50
12	51
13	52
14	53
15	53
16	54
17	54
18	54
19	54
20	54
21	53
22	53
23	53
24	53
25	53
26	53
27	52
28	52
29	52
30	52
31	51

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 84% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Muggy (%)	21	21	20	19	18	18	17	17	16	16	16	16	16	15	15	15	15	15	15	15	15	15	14	14	14	13	13	12	12	12	11
Oppressive (%)	79	79	80	81	82	82	83	83	84	84	84	84	84	85	85	85	85	85	85	85	85	85	86	86	86	87	87	88	88	88	89

	Muggy (%)	Oppressive (%)
1	21	79
2	21	79
3	20	80
4	19	81
5	18	82
6	18	82
7	17	83
8	17	83
9	16	84
10	16	84
11	16	84
12	16	84
13	16	84
14	15	85
15	15	85
16	15	85
17	15	85
18	15	85
19	15	85
20	15	85
21	15	85
22	15	85
23	14	86
24	14	86
25	14	86
26	13	87
27	13	87
28	12	88
29	12	88
30	12	88
31	11	89

Wind in January

Winds average 10 km/h in January.

Across January, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	11	11	11	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	11	calm
2	11	calm
3	11	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm
31	10	calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 12 h 30 min at the start of January to 12 h 24 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 5:11 AM to 5:25 AM, and sunset from 5:44 PM to 5:50 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.5	12.4	12.4	12.4	12.4	12.4	12.4
Sunrise (AM)	5:11	5:11	5:12	5:12	5:13	5:13	5:14	5:14	5:15	5:15	5:16	5:16	5:17	5:17	5:18	5:18	5:19	5:19	5:20	5:20	5:21	5:21	5:22	5:22	5:22	5:23	5:23	5:24	5:24	5:25	5:25
Sunset (PM)	5:44	5:44	5:44	5:45	5:45	5:45	5:46	5:46	5:46	5:47	5:47	5:47	5:48	5:48	5:48	5:48	5:49	5:49	5:49	5:49	5:49	5:49	5:50	5:50	5:50	5:50	5:50	5:50	5:50	5:50	5:50

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.5	5:11	5:44
2	12.5	5:11	5:44
3	12.5	5:12	5:44
4	12.5	5:12	5:45
5	12.5	5:13	5:45
6	12.5	5:13	5:45
7	12.5	5:14	5:46
8	12.5	5:14	5:46
9	12.5	5:15	5:46
10	12.5	5:15	5:47
11	12.5	5:16	5:47
12	12.5	5:16	5:47
13	12.5	5:17	5:48
14	12.5	5:17	5:48
15	12.5	5:18	5:48
16	12.5	5:18	5:48
17	12.5	5:19	5:49
18	12.5	5:19	5:49
19	12.5	5:20	5:49
20	12.5	5:20	5:49
21	12.5	5:21	5:49
22	12.5	5:21	5:49
23	12.5	5:22	5:50
24	12.5	5:22	5:50
25	12.5	5:22	5:50
26	12.4	5:23	5:50
27	12.4	5:23	5:50
28	12.4	5:24	5:50
29	12.4	5:24	5:50
30	12.4	5:25	5:50
31	12.4	5:25	5:50

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 6.05 kWh/m².

For context, solar energy here swings from a low near 3.86 kWh/m² to a high of 6.18 kWh/m² in November across the year — January's 6.05 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.1	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.0	6.1	6.1	6.1
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Bright	Bright	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.1	Intense
2	6.1	Intense
3	6.1	Intense
4	6.1	Intense
5	6.1	Intense
6	6.1	Intense
7	6.1	Intense
8	6.1	Intense
9	6.1	Intense
10	6.1	Intense
11	6.0	Intense
12	6.0	Intense
13	6.0	Intense
14	6.0	Intense
15	6.0	Intense
16	6.0	Intense
17	6.0	Intense
18	6.0	Intense
19	6.0	Bright
20	6.0	Bright
21	6.0	Intense
22	6.0	Intense
23	6.0	Intense
24	6.0	Intense
25	6.0	Intense
26	6.0	Intense
27	6.0	Intense
28	6.0	Intense
29	6.1	Intense
30	6.1	Intense
31	6.1	Intense

Planning a trip in January

Hazard calendar for Atalaia

In seasonPeak

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

Atalaia's rainy season runs March–August, when most of the year's rain falls.

Rainy season

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Is January a good time to visit Atalaia?

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

4.2

Sightseeing

9th-best month of the year

6.0

Beach & pool

4th-best month of the year

January is a reasonable time to visit Atalaia for sightseeing.

What to pack for Atalaia in January

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

In January, Atalaia sees daytime highs around 31°C and nights near 23°C. Pack light clothes, rain gear and sun protection. About 16 days see rain.

light clothesrain gearsun protection

Sea temperature near Atalaia 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 at the nearest coast (about 45 km away) is warmest in April at about 29°C and coldest in August near 26°C.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	28	28	28	29	28	27	26	26	26	26	27	27
Comfort	Warm	Tropical	Tropical	Tropical	Tropical	Warm	Warm	Warm	Warm	Warm	Warm	Warm

	Sea temperature (°C)	Comfort
Jan	28	Warm
Feb	28	Tropical
Mar	28	Tropical
Apr	29	Tropical
May	28	Tropical
Jun	27	Warm
Jul	26	Warm
Aug	26	Warm
Sep	26	Warm
Oct	26	Warm
Nov	27	Warm
Dec	27	Warm

UV index in Atalaia 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 Atalaia peaks around March 11 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 9 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	14	14	15	13	10	9	9	10	12	12	12	12
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high	Very high	Extreme	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	14	Extreme
Feb	14	Extreme
Mar	15	Extreme
Apr	13	Extreme
May	10	Extreme
Jun	9	Very high
Jul	9	Very high
Aug	10	Very high
Sep	12	Extreme
Oct	12	Extreme
Nov	12	Extreme
Dec	12	Extreme

Location & terrain

Where is Atalaia?

Atalaia sits at 9.5°S, 36.0°W, 61 m above sea level, in Brazil. The nearest listed city is Capela, 12 km away.

Topography around Atalaia

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

Within 3 km, the terrain around Atalaia has only modest variations in elevation — a maximum elevation change of 121 m around an average of 102 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 293 m; within 80 km, large variations in elevation — a maximum elevation change of 958 m.

The land around Atalaia is covered by grassland (72%) within 3 km, grassland (69%) within 16 km, and grassland (52%) and water (21%) within 80 km.

3 km

121 m

grassland 72%

16 km

293 m

grassland 69%

80 km

958 m

grassland 52%

treesgrasslandcroplandartificial surfaceswater

← December Atalaia year-round climate February →Best places to visit in January

January weather nearby: Capela 12 km · Pilar 13 km · Cajueiro 19 km · Rio Largo 19 km · Satuba 23 km · Murici 23 km · Messias 24 km · Boca da Mata 27 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

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 Atalaia (-9.5019°, -36.0228°, elevation 61 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).

	Avg high (°C)	Avg low (°C)
1	31	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	31	23
21	31	23
22	31	23
23	31	23
24	31	23
25	31	23
26	31	23
27	31	23
28	31	23
29	31	23
30	31	23
31	31	23

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	58	42
6	59	41
7	59	41
8	59	41
9	58	42
10	58	42
11	58	42
12	58	42
13	57	43
14	57	43
15	56	44
16	56	44
17	55	45
18	56	44
19	56	44
20	56	44
21	56	44
22	56	44
23	56	44
24	56	44
25	57	43
26	57	43
27	57	43
28	58	42
29	58	42
30	58	42
31	59	41

	Rain chance (%)
1	41
2	41
3	42
4	43
5	44
6	45
7	46
8	47
9	48
10	49
11	50
12	51
13	52
14	53
15	53
16	54
17	54
18	54
19	54
20	54
21	53
22	53
23	53
24	53
25	53
26	53
27	52
28	52
29	52
30	52
31	51

	Muggy (%)	Oppressive (%)
1	21	79
2	21	79
3	20	80
4	19	81
5	18	82
6	18	82
7	17	83
8	17	83
9	16	84
10	16	84
11	16	84
12	16	84
13	16	84
14	15	85
15	15	85
16	15	85
17	15	85
18	15	85
19	15	85
20	15	85
21	15	85
22	15	85
23	14	86
24	14	86
25	14	86
26	13	87
27	13	87
28	12	88
29	12	88
30	12	88
31	11	89

	Avg high (°C)	Avg low (°C)
1	31	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	31	23
21	31	23
22	31	23
23	31	23
24	31	23
25	31	23
26	31	23
27	31	23
28	31	23
29	31	23
30	31	23
31	31	23

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	58	42
6	59	41
7	59	41
8	59	41
9	58	42
10	58	42
11	58	42
12	58	42
13	57	43
14	57	43
15	56	44
16	56	44
17	55	45
18	56	44
19	56	44
20	56	44
21	56	44
22	56	44
23	56	44
24	56	44
25	57	43
26	57	43
27	57	43
28	58	42
29	58	42
30	58	42
31	59	41

	Rain chance (%)
1	41
2	41
3	42
4	43
5	44
6	45
7	46
8	47
9	48
10	49
11	50
12	51
13	52
14	53
15	53
16	54
17	54
18	54
19	54
20	54
21	53
22	53
23	53
24	53
25	53
26	53
27	52
28	52
29	52
30	52
31	51

	Muggy (%)	Oppressive (%)
1	21	79
2	21	79
3	20	80
4	19	81
5	18	82
6	18	82
7	17	83
8	17	83
9	16	84
10	16	84
11	16	84
12	16	84
13	16	84
14	15	85
15	15	85
16	15	85
17	15	85
18	15	85
19	15	85
20	15	85
21	15	85
22	15	85
23	14	86
24	14	86
25	14	86
26	13	87
27	13	87
28	12	88
29	12	88
30	12	88
31	11	89

	Avg high (°C)	Avg low (°C)
1	31	23
2	31	23
3	31	23
4	31	23
5	31	23
6	31	23
7	31	23
8	31	23
9	31	23
10	31	23
11	31	23
12	31	23
13	31	23
14	31	23
15	31	23
16	31	23
17	31	23
18	31	23
19	31	23
20	31	23
21	31	23
22	31	23
23	31	23
24	31	23
25	31	23
26	31	23
27	31	23
28	31	23
29	31	23
30	31	23
31	31	23

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	58	42
6	59	41
7	59	41
8	59	41
9	58	42
10	58	42
11	58	42
12	58	42
13	57	43
14	57	43
15	56	44
16	56	44
17	55	45
18	56	44
19	56	44
20	56	44
21	56	44
22	56	44
23	56	44
24	56	44
25	57	43
26	57	43
27	57	43
28	58	42
29	58	42
30	58	42
31	59	41

	Rain chance (%)
1	41
2	41
3	42
4	43
5	44
6	45
7	46
8	47
9	48
10	49
11	50
12	51
13	52
14	53
15	53
16	54
17	54
18	54
19	54
20	54
21	53
22	53
23	53
24	53
25	53
26	53
27	52
28	52
29	52
30	52
31	51

	Muggy (%)	Oppressive (%)
1	21	79
2	21	79
3	20	80
4	19	81
5	18	82
6	18	82
7	17	83
8	17	83
9	16	84
10	16	84
11	16	84
12	16	84
13	16	84
14	15	85
15	15	85
16	15	85
17	15	85
18	15	85
19	15	85
20	15	85
21	15	85
22	15	85
23	14	86
24	14	86
25	14	86
26	13	87
27	13	87
28	12	88
29	12	88
30	12	88
31	11	89