Assis in Summer

In summer (December, January and February), Assis sees average daytime highs around 30°C and overnight lows near 21°C, with 634 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 30°C. The sky is clear or mostly clear about 19% of the time across summer, and the air most often feels oppressive.

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

Avg daytime high
30°C
warmest season of the year
Avg overnight low
21°C
Rainfall
634 mm
59 wet days
Avg wind
9 km/h
Travel score
3.7
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Assis in Summer

Average highAverage lowShaded bands: 10–90% of days

Across summer, daytime highs hold fairly steady around 30°C.

A typical summer day in Assis reaches about 30°C and drops to 21°C overnight. The warmest of the three months is December, the coolest December.

15°20°25°30°35°DecJanFeb

How summer really feels in Assis

Once humidity and wind are folded in, summer brings about 79 days that feel above 32°C and 0 that feel at or below 0°C.

Days feeling ≥ 32°C
79
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.

Assis 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°24821.413.23.6
Feb30° / 21°19718.912.83.7
Mar30° / 21°14116.612.24.3
Apr29° / 19°697.611.56.0
May26° / 16°747.210.97.3
Jun25° / 15°615.810.67.8
Jul25° / 14°424.510.88.0
Aug28° / 15°454.211.27.5
Sep29° / 17°928.211.96.0
Oct30° / 19°13212.912.54.8
Nov30° / 20°14913.913.14.4
Dec30° / 21°19018.813.43.8

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Assis gets around 634 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 9 km/h across summer.

051015DecJanFeb

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 5.8 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Assis

In seasonPeak

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

Assis's rainy season runs October–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 Assis?

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.

3.7
Sightseeing
4th-best month of the year
5.2
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Assis.

What to pack for Assis in Summer

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

In summer, Assis sees daytime highs around 30°C and nights near 21°C. Pack light clothes, rain gear and sun protection. About 59 days see rain.

light clothesrain gearsun protection

UV index in Assis 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 Assis peaks around January 22 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 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 22UV 15Jul 13UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar12Extreme
Apr9Very high
May7High
Jun6High
Jul5High
Aug7Very high
Sep8Very high
Oct11Extreme
Nov13Extreme
Dec13Extreme

Air quality in Assis 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 Assis is worst in September — around 19 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (November, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1619 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar7Good
Apr8Good
May10Good
Jun9Good
Jul9Good
Aug13Moderate
Sep19Moderate
Oct13Moderate
Nov7Good
Dec7Good
Location & terrain

Where is Assis?

Assis sits at 22.7°S, 50.4°W, 546 m above sea level, in Brazil. The nearest listed city is Cândido Mota, 10 km away.

Topography around Assis

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

Within 3 km, the terrain around Assis has only modest variations in elevation — a maximum elevation change of 109 m around an average of 559 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 219 m; within 80 km, significant variations in elevation — a maximum elevation change of 471 m.

The land around Assis is covered by artificial surfaces (54%) within 3 km, cropland (69%) within 16 km, and cropland (62%) within 80 km.

3 km
109 m
16 km
219 m
80 km
471 m
treesgrasslandcroplandartificial surfaceswater
Summer weather nearby: Cândido Mota 10 km · Palmital 24 km · Paraguaçu Paulista 32 km · Andirá 47 km · Bandeirantes 50 km · Cambará 55 km · Cornélio Procópio 63 km · Ourinhos 66 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 Assis (-22.6617°, -50.4122°, elevation 546 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.