Allen in Fall
In fall (March, April and May), Allen sees average daytime highs around 21°C and overnight lows near 10°C, with 72 mm of rain over about 11 wet days across the season. It is the 3rd-warmest season and the wettest season of the year.
Over the season highs ease from about 28°C in early March to 14°C by late May. The sky is clear or mostly clear about 53% of the time across fall, and the air most often feels dry.
Fall is Allen's 2nd-best season to visit on our travel score. For the whole year in context, see Allen's year-round climate.
- Avg daytime high
- 21°C
- 3rd-warmest season
- Avg overnight low
- 10°C
- Rainfall
- 72 mm
- 11 wet days
- Avg wind
- 12 km/h
- Travel score
- 7.2
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Allen in Fall
Over the season highs ease from about 28°C in early March to 14°C by late May.
A typical fall day in Allen reaches about 21°C and drops to 10°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Allen
Once humidity and wind are folded in, fall brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
fall 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 fall months (March, April and May) 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 Fall
The sky is clear or mostly clear about 53% of the time across fall.
Chance of precipitation in Fall
Allen gets around 72 mm of rain over 11 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 12 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 13 hours in early March to 9 h 30 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Fall
Average shortwave solar energy reaching the ground each day across fall, about 3.9 kWh/m².
Is fall a good time to visit Allen?
Our two travel scores rate fall for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
fall is one of the better times to visit Allen for general sightseeing.
What to pack for Allen in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Allen sees daytime highs around 21°C and nights near 10°C. Worth packing: light clothes, a warm layer and sun protection. About 11 days see rain.
UV index in Allen in Fall
Clear-sky midday UV across fall averages around 5 — enough to warrant sun protection. 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.