Allen in Summer
In summer (December, January and February), Allen sees average daytime highs around 30°C and overnight lows near 17°C, with 47 mm of rain over about 8 wet days across the season. It is the warmest season of the year and the driest season of the year.
Across summer, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 73% of the time across summer, and the air most often feels dry.
Summer is Allen's 3rd-best season to visit on our travel score. For the whole year in context, see Allen's year-round climate.
- Avg daytime high
- 30°C
- warmest season of the year
- Avg overnight low
- 17°C
- Rainfall
- 47 mm
- 8 wet days
- Avg wind
- 15 km/h
- Travel score
- 6.2
- 3rd-best season
- Months
- Dec · Jan · Feb
Temperature in Allen in Summer
Across summer, daytime highs hold fairly steady around 30°C.
A typical summer day in Allen reaches about 30°C and drops to 17°C overnight. The warmest of the three months is January, the coolest December.
How summer really feels in Allen
Once humidity and wind are folded in, summer brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
summer sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Allen 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.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 18° | 14 | 2.8 | 14.4 | 5.6 |
| Feb | 30° / 17° | 19 | 2.7 | 13.5 | 6.4 |
| Mar | 26° / 14° | 22 | 3.1 | 12.3 | 8.1 |
| Apr | 21° / 9° | 25 | 3.2 | 11 | 7.8 |
| May | 16° / 6° | 26 | 5 | 9.9 | 5.7 |
| Jun | 13° / 3° | 20 | 4.2 | 9.3 | 4.0 |
| Jul | 12° / 2° | 18 | 3.4 | 9.5 | 3.9 |
| Aug | 15° / 4° | 13 | 2.8 | 10.5 | 5.5 |
| Sep | 19° / 7° | 20 | 3.5 | 11.7 | 7.1 |
| Oct | 22° / 10° | 32 | 3.7 | 13 | 7.9 |
| Nov | 26° / 13° | 19 | 2.8 | 14.1 | 8.1 |
| Dec | 30° / 16° | 14 | 2.5 | 14.7 | 6.5 |
Cloud cover in Summer
The sky is clear or mostly clear about 73% of the time across summer.
Chance of precipitation in Summer
Allen gets around 47 mm of rain over 8 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 15 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 14 h 30 min in early December to 13 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 8.0 kWh/m².
Is summer a good time to visit Allen?
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.
summer is a reasonable time to visit Allen for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Allen in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Allen sees daytime highs around 30°C and nights near 17°C. Pack light clothes and sun protection. About 8 days see rain.
UV index in Allen in Summer
Clear-sky midday UV across summer averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Allen peaks around December 20 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 2 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 12 | 12 | 8 | 5 | 3 | 2 | 2 | 3 | 5 | 8 | 10 | 13 |
| Level | Extreme | Extreme | Very high | High | Moderate | Low | Low | Moderate | Moderate | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 12 | Extreme |
| Feb | 12 | Extreme |
| Mar | 8 | Very high |
| Apr | 5 | High |
| May | 3 | Moderate |
| Jun | 2 | Low |
| Jul | 2 | Low |
| Aug | 3 | Moderate |
| Sep | 5 | Moderate |
| Oct | 8 | Very high |
| Nov | 10 | Extreme |
| Dec | 13 | Extreme |
Where is Allen?
Allen sits at 39.0°S, 67.8°W, 258 m above sea level, in Argentina. The nearest listed city is Cipolletti, 15 km away.
Topography around Allen
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Allen.
Within 3 km, the terrain around Allen has only modest variations in elevation — a maximum elevation change of 53 m around an average of 259 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 256 m; within 80 km, large variations in elevation — a maximum elevation change of 785 m.
The land around Allen is covered by shrubs (26%), artificial surfaces (21%) and trees (20%) within 3 km, shrubs (64%) within 16 km, and shrubs (86%) within 80 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
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 Allen (-38.9774°, -67.8271°, elevation 258 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.