Santo Tomé in Fall
In fall (March, April and May), Santo Tomé sees average daytime highs around 24°C and overnight lows near 15°C, with 326 mm of rain over about 23 wet days across the season. It is the 3rd-warmest season and the 2nd-wettest season.
Over the season highs ease from about 29°C in early March to 19°C by late May. The sky is clear or mostly clear about 44% of the time across fall, and the air most often feels dry.
Fall is Santo Tomé's 2nd-best season to visit on our travel score. For the whole year in context, see Santo Tomé's year-round climate.
- Avg daytime high
- 24°C
- 3rd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 326 mm
- 23 wet days
- Avg wind
- 11 km/h
- Travel score
- 7.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Santo Tomé in Fall
Over the season highs ease from about 29°C in early March to 19°C by late May.
A typical fall day in Santo Tomé reaches about 24°C and drops to 15°C overnight. The warmest of the three months is March, the coolest May.
Santo Tomé 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° / 20° | 112 | 8.7 | 13.8 | 5.0 |
| Feb | 29° / 20° | 118 | 8.7 | 13.2 | 5.6 |
| Mar | 28° / 18° | 138 | 8.2 | 12.2 | 6.7 |
| Apr | 24° / 15° | 114 | 8.6 | 11.2 | 7.3 |
| May | 20° / 12° | 74 | 6.1 | 10.4 | 7.0 |
| Jun | 18° / 9° | 44 | 5.1 | 10 | 6.4 |
| Jul | 17° / 7° | 37 | 4.5 | 10.1 | 6.3 |
| Aug | 20° / 9° | 48 | 4.9 | 10.8 | 7.3 |
| Sep | 22° / 11° | 65 | 5.8 | 11.8 | 7.5 |
| Oct | 25° / 14° | 132 | 9.6 | 12.8 | 7.1 |
| Nov | 27° / 16° | 116 | 7.9 | 13.6 | 6.9 |
| Dec | 29° / 19° | 135 | 8.9 | 14 | 5.6 |
Cloud cover in Fall
The sky is clear or mostly clear about 44% of the time across fall.
Chance of precipitation in Fall
Santo Tomé gets around 326 mm of rain over 23 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 11 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 42 min in early March to 10 h 06 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 Santo Tomé?
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 Santo Tomé for general sightseeing.
What to pack for Santo Tomé in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Santo Tomé sees daytime highs around 24°C and nights near 15°C. Pack light clothes. Worth having: rain gear and sun protection. About 23 days see rain.
UV index in Santo Tomé in Fall
Clear-sky midday UV across fall averages around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santo Tomé peaks around January 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 14 | 13 | 11 | 7 | 4 | 3 | 3 | 5 | 7 | 9 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | High | Moderate | Moderate | Moderate | Moderate | High | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 13 | Extreme |
| Mar | 11 | Extreme |
| Apr | 7 | High |
| May | 4 | Moderate |
| Jun | 3 | Moderate |
| Jul | 3 | Moderate |
| Aug | 5 | Moderate |
| Sep | 7 | High |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Where is Santo Tomé?
Santo Tomé sits at 31.7°S, 60.8°W, 19 m above sea level, in Argentina. The nearest listed city is Santa Fe, 6.0 km away.
Topography around Santo Tomé
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santo Tomé.
Within 3 km, the terrain around Santo Tomé has only modest variations in elevation — a maximum elevation change of 30 m around an average of 17 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 40 m; within 80 km, only modest variations in elevation — a maximum elevation change of 116 m.
The land around Santo Tomé is covered by artificial surfaces (34%) and grassland (26%) within 3 km, grassland (31%) and cropland (28%) within 16 km, and cropland (59%) and grassland (22%) 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 Santo Tomé (-31.6627°, -60.7653°, elevation 19 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.