Mendes in Summer

In summer (December, January and February), Mendes sees average daytime highs around 29°C and overnight lows near 21°C, with 731 mm of rain over about 62 wet days across the season. It is the warmest season of the year and the wettest season of the year.

Across summer, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 15% of the time across summer, and the air most often feels muggy.

Summer is Mendes's weakest season of the year to visit on our travel score. For the whole year in context, see Mendes's year-round climate.

Avg daytime high
29°C
warmest season of the year
Avg overnight low
21°C
Rainfall
731 mm
62 wet days
Avg wind
7 km/h
Travel score
3.9
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Mendes in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 29°C.

A typical summer day in Mendes reaches about 29°C and drops to 21°C overnight. The warmest of the three months is February, the coolest December.

15°20°25°30°35°DecJanFeb

How summer really feels in Mendes

Once humidity and wind are folded in, summer brings about 29 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
29
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Mendes weather by month

How the three summer months (December, January and February) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 21°2822213.23.7
Feb30° / 21°20017.612.83.9
Mar29° / 20°19520.312.24.2
Apr27° / 19°8912.511.56.0
May25° / 16°539.310.97.0
Jun25° / 15°285.510.67.8
Jul24° / 15°295.310.87.9
Aug25° / 15°275.511.27.7
Sep26° / 17°661011.96.6
Oct27° / 18°11214.112.55.7
Nov27° / 19°20219.313.14.8
Dec29° / 20°24922.213.44.1

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 15% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Mendes gets around 731 mm of rain over 62 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%20%40%60%80%DecJanFeb

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

0%25%50%75%100%DecJanFeb

Wind in Summer

Winds average 7 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 18 min in early December to 12 h 30 min by late February. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMDecJanFeb

Solar energy in Summer

Daily solar energy (kWh/m²)

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

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Mendes

In seasonPeak

In summer, Mendes overlaps its monsoon season. The full year is below, with each hazard's peak months called out.

Mendes'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 summer a good time to visit Mendes?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

3.9
Sightseeing
4th-best month of the year
5.0
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Mendes.

What to pack for Mendes in Summer

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

In summer, Mendes sees daytime highs around 29°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 62 days see rain.

light clothesrain gearsun protection

Sea temperature near Mendes in Summer

The nearest coast averages about 25°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 67 km away) is warmest in February at about 26°C and coldest in August near 21°C.

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

20°22°24°26°28°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar26Warm
Apr25Warm
May24Refreshing
Jun23Refreshing
Jul22Refreshing
Aug21Refreshing
Sep21Refreshing
Oct22Refreshing
Nov23Refreshing
Dec24Warm

UV index in Mendes in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 Mendes 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 20UV 15Jul 12UV 6
UV index (midday)Level
Jan15Extreme
Feb14Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug8Very high
Sep7High
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Mendes in Summer

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.

Air quality in Mendes 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).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateModerateJul 1237 µg/m³Dec 2319 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb19Moderate
Mar21Moderate
Apr24Moderate
May31Moderate
Jun36Poor
Jul38Poor
Aug32Moderate
Sep37Poor
Oct24Moderate
Nov20Moderate
Dec19Moderate
Location & terrain

Where is Mendes?

Mendes sits at 22.5°S, 43.7°W, 419 m above sea level, in Brazil. The nearest listed city is Paracambi, 9.0 km away.

Topography around Mendes

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

Within 3 km, the terrain around Mendes has significant variations in elevation — a maximum elevation change of 321 m around an average of 492 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 829 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,224 m.

The land around Mendes is covered by trees (63%) and grassland (32%) within 3 km, trees (54%) and grassland (43%) within 16 km, and trees (44%) and grassland (35%) within 80 km.

3 km
321 m
16 km
829 m
80 km
2,224 m
treesgrasslandartificial surfaceswatermangroves
Summer weather nearby: Paracambi 9.0 km · Barra do Piraí 11 km · Japeri 15 km · Vassouras 15 km · Piraí 20 km · Seropédica 24 km · Universidade Rural 27 km · Pinheiral 28 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 Mendes (-22.5267°, -43.7328°, elevation 419 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.