Registro in Summer

In summer (December, January and February), Registro sees average daytime highs around 31°C and overnight lows near 22°C, with 557 mm of rain over about 59 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 31°C. The sky is clear or mostly clear about 11% of the time across summer, and the air most often feels oppressive.

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

Avg daytime high
31°C
warmest season of the year
Avg overnight low
22°C
Rainfall
557 mm
59 wet days
Avg wind
6 km/h
Travel score
3.4
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Registro in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 31°C.

A typical summer day in Registro reaches about 31°C and drops to 22°C overnight. The warmest of the three months is January, the coolest December.

15°20°25°30°35°40°DecJanFeb

How summer really feels in Registro

Once humidity and wind are folded in, summer brings about 84 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
84
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.

Registro 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
Jan31° / 23°2202213.33.2
Feb31° / 23°1932012.93.3
Mar30° / 22°1482012.23.9
Apr28° / 20°7812.711.45.5
May25° / 17°7910.610.86.6
Jun24° / 15°647.910.57.2
Jul24° / 15°648.110.67.2
Aug24° / 15°517.711.17.2
Sep25° / 17°9111.611.86.3
Oct27° / 19°9313.912.65.6
Nov28° / 20°10515.213.24.9
Dec30° / 22°14417.313.53.8

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Registro gets around 557 mm of rain over 59 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 oppressive — 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 6 km/h across summer.

0246810DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 24 min in early December to 12 h 36 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 5.2 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Registro

In seasonPeak

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

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

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

Is summer a good time to visit Registro?

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.

3.4
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 Registro.

What to pack for Registro in Summer

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

In summer, Registro sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 59 days see rain.

light clothesrain gearsun protection

Sea temperature near Registro in Summer

The nearest coast averages about 26°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 48 km away) is warmest in February at about 27°C and coldest in August near 19°C.

It's comfortable for a long swim from Sep 6 to Jul 12 — about 10.2 months when the water holds above 20°C.

20°25°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swimcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr26Warm
May23Refreshing
Jun21Refreshing
Jul20Cool
Aug19Cool
Sep20Refreshing
Oct22Refreshing
Nov23Refreshing
Dec25Warm

UV index in Registro 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 Registro peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 19UV 14Jul 11UV 5
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5High
Jul5High
Aug7Very high
Sep8Very high
Oct10Extreme
Nov13Extreme
Dec13Extreme
Location & terrain

Where is Registro?

Registro sits at 24.5°S, 47.8°W, 17 m above sea level, in Brazil. The nearest listed city is Pariquera-Açu, 26 km away.

Topography around Registro

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

Within 3 km, the terrain around Registro has only modest variations in elevation — a maximum elevation change of 78 m around an average of 18 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 403 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,480 m.

The land around Registro is covered by trees (51%), grassland (23%) and artificial surfaces (20%) within 3 km, trees (78%) within 16 km, and trees (74%) within 80 km.

3 km
78 m
16 km
403 m
80 km
1,480 m
treesgrasslandcroplandartificial surfaceswatermangroves
Summer weather nearby: Pariquera-Açu 26 km · Jacupiranga 28 km · Juquiá 28 km · Iguape 38 km · Cajati 40 km · Miracatu 45 km · São Miguel Arcanjo 70 km · Itariri 71 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 Registro (-24.4875°, -47.8436°, elevation 17 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.