Pirassununga in Summer

In summer (December, January and February), Pirassununga sees average daytime highs around 29°C and overnight lows near 20°C, with 638 mm of rain over about 63 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 16% of the time across summer, and the air most often feels muggy.

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

Avg daytime high
29°C
warmest season of the year
Avg overnight low
20°C
Rainfall
638 mm
63 wet days
Avg wind
8 km/h
Travel score
3.9
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Pirassununga 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 Pirassununga reaches about 29°C and drops to 20°C overnight. The warmest of the three months is February, the coolest December.

15°20°25°30°35°DecJanFeb

Pirassununga 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
Jan29° / 20°25122.913.23.8
Feb29° / 20°17318.612.84.0
Mar29° / 20°15118.312.24.5
Apr28° / 18°628.811.56.4
May26° / 15°536.2117.6
Jun25° / 14°323.410.78.2
Jul25° / 13°263.410.88.3
Aug27° / 14°253.611.27.8
Sep29° / 17°667.911.96.0
Oct29° / 18°11613.812.54.8
Nov29° / 19°17017.113.14.5
Dec29° / 20°21521.813.34.0

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Pirassununga gets around 638 mm of rain over 63 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 8 km/h across summer.

051015DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 12 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 5.7 kWh/m².

0246DecJanFeb
Planning a trip in summer

Hazard calendar for Pirassununga

In seasonPeak

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

Pirassununga'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 summer a good time to visit Pirassununga?

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
5.1
Beach & pool
4th-best month of the year

summer is a weaker month for outdoor sightseeing in Pirassununga.

What to pack for Pirassununga in Summer

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

In summer, Pirassununga sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 63 days see rain.

light clothesrain gearsun protection

UV index in Pirassununga in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages 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 Pirassununga peaks around January 20 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 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 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep9Very high
Oct11Extreme
Nov14Extreme
Dec14Extreme

Air quality in Pirassununga 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 Pirassununga is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (November, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodSep 1430 µg/m³Nov 2310 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb12Good
Mar12Good
Apr13Moderate
May15Moderate
Jun15Moderate
Jul16Moderate
Aug23Moderate
Sep32Moderate
Oct16Moderate
Nov10Good
Dec10Good
Location & terrain

Where is Pirassununga?

Pirassununga sits at 22.0°S, 47.4°W, 631 m above sea level, in Brazil. The nearest listed city is Porto Ferreira, 17 km away.

Topography around Pirassununga

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

Within 3 km, the terrain around Pirassununga has only modest variations in elevation — a maximum elevation change of 109 m around an average of 617 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 303 m; within 80 km, large variations in elevation — a maximum elevation change of 1,116 m.

The land around Pirassununga is covered by artificial surfaces (40%), cropland (25%) and trees (23%) within 3 km, cropland (62%) and trees (25%) within 16 km, and cropland (46%) and trees (35%) within 80 km.

3 km
109 m
16 km
303 m
80 km
1,116 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: Porto Ferreira 17 km · Leme 21 km · Descalvado 22 km · Santa Cruz das Palmeiras 26 km · Santa Rita do Passa Quatro 32 km · Tambaú 36 km · Araras 40 km · Casa Branca 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
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 Pirassununga (-21.9961°, -47.4258°, elevation 631 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.