Montecarlo in Spring
In spring (September, October and November), Montecarlo sees average daytime highs around 28°C and overnight lows near 17°C, with 564 mm of rain over about 36 wet days across the season. It is the 2nd-warmest season and the wettest season of the year.
Over the season highs climb from about 25°C in early September to 30°C by late November. The sky is clear or mostly clear about 40% of the time across spring, and the air most often feels muggy.
Spring is Montecarlo's 3rd-best season to visit on our travel score. For the whole year in context, see Montecarlo's year-round climate.
- Avg daytime high
- 28°C
- 2nd-warmest season
- Avg overnight low
- 17°C
- Rainfall
- 564 mm
- 36 wet days
- Avg wind
- 9 km/h
- Travel score
- 5.9
- 3rd-best season
- Months
- Sep · Oct · Nov
Temperature in Montecarlo in Spring
Over the season highs climb from about 25°C in early September to 30°C by late November.
A typical spring day in Montecarlo reaches about 28°C and drops to 17°C overnight. The warmest of the three months is November, the coolest September.
How spring really feels in Montecarlo
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 0 that feel at or below 0°C.
spring sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Montecarlo weather by month
How the three spring months (September, October and November) 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° / 21° | 170 | 15.7 | 13.5 | 3.8 |
| Feb | 31° / 21° | 172 | 15.1 | 12.9 | 4.0 |
| Mar | 30° / 20° | 149 | 13 | 12.2 | 4.9 |
| Apr | 27° / 17° | 150 | 10.1 | 11.4 | 6.5 |
| May | 23° / 14° | 172 | 9.7 | 10.7 | 6.9 |
| Jun | 21° / 13° | 162 | 9.7 | 10.4 | 6.6 |
| Jul | 21° / 12° | 135 | 9.4 | 10.5 | 6.8 |
| Aug | 24° / 13° | 97 | 7.8 | 11.1 | 7.5 |
| Sep | 26° / 15° | 166 | 10.5 | 11.8 | 6.8 |
| Oct | 28° / 17° | 222 | 13.8 | 12.6 | 5.8 |
| Nov | 29° / 18° | 176 | 11.8 | 13.3 | 5.2 |
| Dec | 31° / 20° | 199 | 14.8 | 13.6 | 4.1 |
Cloud cover in Spring
The sky is clear or mostly clear about 40% of the time across spring.
Chance of precipitation in Spring
Montecarlo gets around 564 mm of rain over 36 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 9 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 24 min in early September to 13 h 30 min by late November. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 5.4 kWh/m².
Is spring a good time to visit Montecarlo?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a reasonable time to visit Montecarlo for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Montecarlo in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Montecarlo sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection. Worth having: rain gear. About 36 days see rain.
UV index in Montecarlo in Spring
Clear-sky midday UV across spring averages around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Montecarlo peaks around January 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 5 (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) | 15 | 14 | 12 | 8 | 6 | 5 | 5 | 6 | 7 | 9 | 11 | 13 |
| Level | Extreme | Extreme | Extreme | Very high | High | Moderate | Moderate | High | Very high | Very high | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 14 | Extreme |
| Mar | 12 | Extreme |
| Apr | 8 | Very high |
| May | 6 | High |
| Jun | 5 | Moderate |
| Jul | 5 | Moderate |
| Aug | 6 | High |
| Sep | 7 | Very high |
| Oct | 9 | Very high |
| Nov | 11 | Extreme |
| Dec | 13 | Extreme |
Air quality in Montecarlo in Spring
Average fine-particle pollution (PM2.5) through the year — so you can see where spring falls, not just the annual average.
Air quality in Montecarlo is worst in September — around 20 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (March, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 8 | 7 | 8 | 8 | 8 | 10 | 14 | 20 | 13 | 9 | 7 |
| Level | Good | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 8 | Good |
| Mar | 7 | Good |
| Apr | 8 | Good |
| May | 8 | Good |
| Jun | 8 | Good |
| Jul | 10 | Good |
| Aug | 14 | Moderate |
| Sep | 20 | Moderate |
| Oct | 13 | Moderate |
| Nov | 9 | Good |
| Dec | 7 | Good |
Where is Montecarlo?
Montecarlo sits at 26.6°S, 54.8°W, 197 m above sea level, in Argentina. The nearest listed city is Eldorado, 23 km away.
Topography around Montecarlo
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Montecarlo.
Within 3 km, the terrain around Montecarlo has only modest variations in elevation — a maximum elevation change of 158 m around an average of 190 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 342 m; within 80 km, large variations in elevation — a maximum elevation change of 641 m.
The land around Montecarlo is covered by trees (76%) within 3 km, trees (65%) within 16 km, and trees (68%) and cropland (24%) 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 Montecarlo (-26.5685°, -54.7579°, elevation 197 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.