Valença weather in January

In January, Valença sees average daytime highs of 29°C and overnight lows near 20°C, with 302 mm of rain across 22.4 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 13% of the time in January, and the air most often feels muggy.

Daylight stretches from about 13 h 18 min at the start of January to 13 hours by month's end. Set against the rest of the year, January is Valença's 10th-clearest and 7th-windiest month. For the whole year in context, see Valença's year-round climate.

Daytime high: 29°; 2nd warmest
Overnight low: 20°; 12th coldest
Rainfall: 302 mm; 22.4 wet days
Daylight: 13 h 12 min; 6:27 AM – 7:41 PM
Cloud cover: 77%; 10th clearest
Wind: 7 km/h; 7th windiest
Solar energy: 5.55 kWh/m²
Travel score: 3.9; out of 10

← December Valença 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 29°C through the month.

A typical January day in Valença 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 24°C and 32°C. Set against its neighbours, January runs about 1°C warmer than 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)	28	28	28	28	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29
Avg low (°C)	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20

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

Valença 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.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	29° / 20°	302	22.4	13.2	3.9
Feb	29° / 20°	219	17.8	12.8	4.1
Mar	28° / 19°	220	20.9	12.2	4.5
Apr	27° / 18°	95	13.2	11.5	6.0
May	24° / 15°	54	9.1	10.9	7.1
Jun	24° / 14°	26	5.4	10.7	7.8
Jul	24° / 14°	26	5.2	10.8	7.9
Aug	25° / 14°	30	6.2	11.2	7.7
Sep	26° / 16°	76	10.7	11.9	6.6
Oct	26° / 17°	137	15.6	12.5	5.6
Nov	27° / 18°	243	20.4	13.1	4.7
Dec	28° / 19°	298	23.1	13.3	4.2

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 13% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 12% of January, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to open up as the month goes on.

	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 (%)	22	23	23	23	23	22	22	24	24	24	24	25	25	25	25	25	24	24	25	25	25	25	25	26	26	26	27	28	29	30	30
Cloudier (%)	78	77	77	77	77	78	78	76	76	76	76	75	75	75	75	75	76	76	75	75	75	75	75	74	74	74	73	72	71	70	70

	Clearer (%)	Cloudier (%)
1	22	78
2	23	77
3	23	77
4	23	77
5	23	77
6	22	78
7	22	78
8	24	76
9	24	76
10	24	76
11	24	76
12	25	75
13	25	75
14	25	75
15	25	75
16	25	75
17	24	76
18	24	76
19	25	75
20	25	75
21	25	75
22	25	75
23	25	75
24	26	74
25	26	74
26	26	74
27	27	73
28	28	72
29	29	71
30	30	70
31	30	70

Chance of precipitation in January

Any precipitation

Valença gets around 302 mm of rain over 22.4 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 72% and peaks near 78% on the wettest days. The odds ease 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 (%)	78	77	77	76	75	75	74	73	73	72	72	71	71	71	71	71	71	72	72	72	72	72	71	71	71	70	70	69	68	68	67

	Rain chance (%)
1	78
2	77
3	77
4	76
5	75
6	75
7	74
8	73
9	73
10	72
11	72
12	71
13	71
14	71
15	71
16	71
17	71
18	72
19	72
20	72
21	72
22	72
23	71
24	71
25	71
26	70
27	70
28	69
29	68
30	68
31	67

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 71% of days. Sticky, muggy-or-worse air turns up on roughly 82% 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
Humid (%)	17	17	17	17	17	18	18	18	18	18	19	19	19	19	19	19	19	19	18	18	18	18	17	17	17	16	16	16	16	16	17
Muggy (%)	75	75	74	74	74	73	72	72	72	72	70	70	70	69	69	69	69	69	69	69	69	69	70	71	71	72	72	72	73	73	72
Oppressive (%)	8	8	9	9	9	9	10	10	10	10	11	11	11	12	12	12	12	12	13	13	13	13	13	12	12	12	12	12	11	11	11

	Humid (%)	Muggy (%)	Oppressive (%)
1	17	75	8
2	17	75	8
3	17	74	9
4	17	74	9
5	17	74	9
6	18	73	9
7	18	72	10
8	18	72	10
9	18	72	10
10	18	72	10
11	19	70	11
12	19	70	11
13	19	70	11
14	19	69	12
15	19	69	12
16	19	69	12
17	19	69	12
18	19	69	12
19	18	69	13
20	18	69	13
21	18	69	13
22	18	69	13
23	17	70	13
24	17	71	12
25	17	71	12
26	16	72	12
27	16	72	12
28	16	72	12
29	16	73	11
30	16	73	11
31	17	72	11

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 7 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)	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7	7
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	7	calm
2	7	calm
3	7	calm
4	7	calm
5	7	calm
6	7	calm
7	7	calm
8	7	calm
9	7	calm
10	7	calm
11	7	calm
12	7	calm
13	7	calm
14	7	calm
15	7	calm
16	7	calm
17	7	calm
18	7	calm
19	7	calm
20	7	calm
21	7	calm
22	7	calm
23	7	calm
24	7	calm
25	7	calm
26	7	calm
27	7	calm
28	7	calm
29	7	calm
30	7	calm
31	7	calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 13 h 18 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 18 minutes over January. Sunrise moves from 6:18 AM to 6:37 AM, and sunset from 7:38 PM to 7:39 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)	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.3	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.2	13.1	13.1	13.1	13.1	13.1	13.1	13.1	13.0	13.0
Sunrise (AM)	6:18	6:18	6:19	6:20	6:20	6:21	6:21	6:22	6:23	6:23	6:24	6:25	6:25	6:26	6:27	6:27	6:28	6:29	6:29	6:30	6:31	6:31	6:32	6:33	6:33	6:34	6:35	6:35	6:36	6:37	6:37
Sunset (PM)	7:38	7:38	7:39	7:39	7:39	7:39	7:40	7:40	7:40	7:40	7:40	7:41	7:41	7:41	7:41	7:41	7:41	7:41	7:41	7:41	7:41	7:41	7:40	7:40	7:40	7:40	7:40	7:40	7:39	7:39	7:39

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	13.3	6:18	7:38
2	13.3	6:18	7:38
3	13.3	6:19	7:39
4	13.3	6:20	7:39
5	13.3	6:20	7:39
6	13.3	6:21	7:39
7	13.3	6:21	7:40
8	13.3	6:22	7:40
9	13.3	6:23	7:40
10	13.3	6:23	7:40
11	13.3	6:24	7:40
12	13.3	6:25	7:41
13	13.3	6:25	7:41
14	13.2	6:26	7:41
15	13.2	6:27	7:41
16	13.2	6:27	7:41
17	13.2	6:28	7:41
18	13.2	6:29	7:41
19	13.2	6:29	7:41
20	13.2	6:30	7:41
21	13.2	6:31	7:41
22	13.2	6:31	7:41
23	13.1	6:32	7:40
24	13.1	6:33	7:40
25	13.1	6:33	7:40
26	13.1	6:34	7:40
27	13.1	6:35	7:40
28	13.1	6:35	7:40
29	13.1	6:36	7:39
30	13.0	6:37	7:39
31	13.0	6:37	7:39

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.55 kWh/m².

For context, solar energy here swings from a low near 3.41 kWh/m² to a high of 5.77 kWh/m² in February across the year — January's 5.55 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)	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.5	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.6	5.7	5.7	5.7	5.7	5.7	5.7	5.7	5.8
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.5	Bright
2	5.5	Bright
3	5.5	Bright
4	5.5	Bright
5	5.5	Bright
6	5.5	Bright
7	5.5	Bright
8	5.5	Bright
9	5.6	Bright
10	5.6	Bright
11	5.6	Bright
12	5.6	Bright
13	5.6	Bright
14	5.6	Bright
15	5.6	Bright
16	5.6	Bright
17	5.6	Bright
18	5.6	Bright
19	5.6	Bright
20	5.6	Bright
21	5.6	Bright
22	5.6	Bright
23	5.6	Bright
24	5.7	Bright
25	5.7	Bright
26	5.7	Bright
27	5.7	Bright
28	5.7	Bright
29	5.7	Bright
30	5.7	Bright
31	5.8	Bright

Planning a trip in January

Hazard calendar for Valença

In seasonPeak

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

Valença's monsoon runs October–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 Valença?

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

4.9

Beach & pool

10th-best month of the year

January is a weaker month for outdoor sightseeing in Valença.

What to pack for Valença in January

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

In January, Valença 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 Valença 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 Valença peaks around January 20 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.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	14	12	9	7	6	5	8	7	12	14	14
Level	Extreme	Extreme	Extreme	Very high	High	High	High	Very high	High	Extreme	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	14	Extreme
Mar	12	Extreme
Apr	9	Very high
May	7	High
Jun	6	High
Jul	5	High
Aug	8	Very high
Sep	7	High
Oct	12	Extreme
Nov	14	Extreme
Dec	14	Extreme

Air quality in Valença 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 Valença is worst in July — around 38 µg/m³ PM2.5 (poor), about 2.0× the cleanest month (December, 19 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	19	19	21	24	31	36	38	32	37	24	20	19
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Poor	Moderate	Poor	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	19	Moderate
Feb	19	Moderate
Mar	21	Moderate
Apr	24	Moderate
May	31	Moderate
Jun	36	Poor
Jul	38	Poor
Aug	32	Moderate
Sep	37	Poor
Oct	24	Moderate
Nov	20	Moderate
Dec	19	Moderate

Location & terrain

Where is Valença?

Valença sits at 22.2°S, 43.7°W, 560 m above sea level, in Brazil. The nearest listed city is Vassouras, 18 km away.

Topography around Valença

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

Within 3 km, the terrain around Valença has significant variations in elevation — a maximum elevation change of 523 m around an average of 617 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 770 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.

The land around Valença is covered by grassland (60%) and trees (25%) within 3 km, grassland (64%) and trees (35%) within 16 km, and trees (48%) and grassland (46%) within 80 km.

3 km

523 m

grassland 60%

16 km

770 m

grassland 64%

80 km

2,224 m

trees 48%

treesgrasslandcroplandartificial surfaceswater

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

January weather nearby: Vassouras 18 km · Barra do Piraí 28 km · Mendes 31 km · Miguel Pereira 33 km · Paty do Alferes 35 km · Paracambi 40 km · Pinheiral 43 km · Paraíba do Sul 43 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 Valença (-22.2456°, -43.7003°, elevation 560 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).

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

	Clearer (%)	Cloudier (%)
1	22	78
2	23	77
3	23	77
4	23	77
5	23	77
6	22	78
7	22	78
8	24	76
9	24	76
10	24	76
11	24	76
12	25	75
13	25	75
14	25	75
15	25	75
16	25	75
17	24	76
18	24	76
19	25	75
20	25	75
21	25	75
22	25	75
23	25	75
24	26	74
25	26	74
26	26	74
27	27	73
28	28	72
29	29	71
30	30	70
31	30	70

	Rain chance (%)
1	78
2	77
3	77
4	76
5	75
6	75
7	74
8	73
9	73
10	72
11	72
12	71
13	71
14	71
15	71
16	71
17	71
18	72
19	72
20	72
21	72
22	72
23	71
24	71
25	71
26	70
27	70
28	69
29	68
30	68
31	67

	Humid (%)	Muggy (%)	Oppressive (%)
1	17	75	8
2	17	75	8
3	17	74	9
4	17	74	9
5	17	74	9
6	18	73	9
7	18	72	10
8	18	72	10
9	18	72	10
10	18	72	10
11	19	70	11
12	19	70	11
13	19	70	11
14	19	69	12
15	19	69	12
16	19	69	12
17	19	69	12
18	19	69	12
19	18	69	13
20	18	69	13
21	18	69	13
22	18	69	13
23	17	70	13
24	17	71	12
25	17	71	12
26	16	72	12
27	16	72	12
28	16	72	12
29	16	73	11
30	16	73	11
31	17	72	11

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

	Clearer (%)	Cloudier (%)
1	22	78
2	23	77
3	23	77
4	23	77
5	23	77
6	22	78
7	22	78
8	24	76
9	24	76
10	24	76
11	24	76
12	25	75
13	25	75
14	25	75
15	25	75
16	25	75
17	24	76
18	24	76
19	25	75
20	25	75
21	25	75
22	25	75
23	25	75
24	26	74
25	26	74
26	26	74
27	27	73
28	28	72
29	29	71
30	30	70
31	30	70

	Rain chance (%)
1	78
2	77
3	77
4	76
5	75
6	75
7	74
8	73
9	73
10	72
11	72
12	71
13	71
14	71
15	71
16	71
17	71
18	72
19	72
20	72
21	72
22	72
23	71
24	71
25	71
26	70
27	70
28	69
29	68
30	68
31	67

	Humid (%)	Muggy (%)	Oppressive (%)
1	17	75	8
2	17	75	8
3	17	74	9
4	17	74	9
5	17	74	9
6	18	73	9
7	18	72	10
8	18	72	10
9	18	72	10
10	18	72	10
11	19	70	11
12	19	70	11
13	19	70	11
14	19	69	12
15	19	69	12
16	19	69	12
17	19	69	12
18	19	69	12
19	18	69	13
20	18	69	13
21	18	69	13
22	18	69	13
23	17	70	13
24	17	71	12
25	17	71	12
26	16	72	12
27	16	72	12
28	16	72	12
29	16	73	11
30	16	73	11
31	17	72	11

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

	Clearer (%)	Cloudier (%)
1	22	78
2	23	77
3	23	77
4	23	77
5	23	77
6	22	78
7	22	78
8	24	76
9	24	76
10	24	76
11	24	76
12	25	75
13	25	75
14	25	75
15	25	75
16	25	75
17	24	76
18	24	76
19	25	75
20	25	75
21	25	75
22	25	75
23	25	75
24	26	74
25	26	74
26	26	74
27	27	73
28	28	72
29	29	71
30	30	70
31	30	70

	Rain chance (%)
1	78
2	77
3	77
4	76
5	75
6	75
7	74
8	73
9	73
10	72
11	72
12	71
13	71
14	71
15	71
16	71
17	71
18	72
19	72
20	72
21	72
22	72
23	71
24	71
25	71
26	70
27	70
28	69
29	68
30	68
31	67

	Humid (%)	Muggy (%)	Oppressive (%)
1	17	75	8
2	17	75	8
3	17	74	9
4	17	74	9
5	17	74	9
6	18	73	9
7	18	72	10
8	18	72	10
9	18	72	10
10	18	72	10
11	19	70	11
12	19	70	11
13	19	70	11
14	19	69	12
15	19	69	12
16	19	69	12
17	19	69	12
18	19	69	12
19	18	69	13
20	18	69	13
21	18	69	13
22	18	69	13
23	17	70	13
24	17	71	12
25	17	71	12
26	16	72	12
27	16	72	12
28	16	72	12
29	16	73	11
30	16	73	11
31	17	72	11