Federal in Summer

In summer (December, January and February), Federal sees average daytime highs around 30°C and overnight lows near 19°C, with 357 mm of rain over about 27 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.

Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 48% of the time across summer, and the air most often feels muggy.

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

Avg daytime high
30°C
warmest season of the year
Avg overnight low
19°C
Rainfall
357 mm
27 wet days
Avg wind
12 km/h
Travel score
5.1
weakest season of the year
Months
Dec · Jan · Feb

Temperature in Federal 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 Federal reaches about 30°C and drops to 19°C overnight. The warmest of the three months is January, the coolest December.

10°20°30°40°DecJanFeb

Federal 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° / 20°119913.84.7
Feb30° / 19°1169.213.15.2
Mar28° / 18°120912.26.3
Apr25° / 14°1538.611.37.2
May21° / 11°967.210.56.9
Jun18° / 787.1106.4
Jul18° / 615.910.26.5
Aug20° / 806.510.97.1
Sep22° / 11°917.111.87.3
Oct25° / 14°1419.312.87.1
Nov27° / 16°1237.713.66.8
Dec30° / 18°1238.4145.4

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 48% of the time across summer.

0%25%50%75%100%DecJanFeb

Chance of precipitation in Summer

Any precipitation

Federal gets around 357 mm of rain over 27 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%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 12 km/h across summer.

051015DecJanFeb

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 13 h 54 min in early December to 12 h 42 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 6.8 kWh/m².

02468DecJanFeb
Planning a trip in summer

Is summer a good time to visit Federal?

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.

5.1
Sightseeing
4th-best month of the year
7.1
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Federal for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Federal in Summer

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

In summer, Federal sees daytime highs around 30°C and nights near 19°C. Pack light clothes and sun protection. Worth having: rain gear. About 27 days see rain.

light clothessun protectionrain gear

UV index in Federal in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Federal peaks around January 20 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateHighVery highExtremeJan 20UV 13Jun 19UV 3
UV index (midday)Level
Jan13Extreme
Feb13Extreme
Mar11Extreme
Apr7High
May4Moderate
Jun3Moderate
Jul4Moderate
Aug5High
Sep7High
Oct7Very high
Nov11Extreme
Dec12Extreme
Location & terrain

Where is Federal?

Federal sits at 31.0°S, 58.8°W, 71 m above sea level, in Argentina. The nearest listed city is Chajarí, 79 km away.

Topography around Federal

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

Within 3 km, the terrain around Federal has only modest variations in elevation — a maximum elevation change of 17 m around an average of 64 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 30 m; within 80 km, only modest variations in elevation — a maximum elevation change of 82 m.

The land around Federal is covered by grassland (64%) within 3 km, grassland (78%) within 16 km, and grassland (53%), cropland (22%) and trees (20%) within 80 km.

3 km
17 m
16 km
30 m
80 km
82 m
treesshrubsgrasslandcroplandartificial surfaceswater
Summer weather nearby: Chajarí 79 km · La Paz 86 km · Concordia 87 km · Salto 92 km · Santa Elena 96 km · Villaguay 104 km · San Javier 118 km · Esquina 127 km

Argentina travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type C / I
220 V · 50 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$14,898
2025
Happiness
6.4 / 10
World Happiness, 2025
Homicide rate
4.5
per 100k, 2023
Road deaths
14.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
High
EF EPI 575
Religion
Roman Catholic 63%none 19%Evangelical 15%Jehovah's Witness and Church of Jesus Christ 1%

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 Federal (-30.9562°, -58.7797°, elevation 71 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.