Lucas in Fall
In fall (March, April and May), Lucas sees average daytime highs around 31°C and overnight lows near 23°C, with 305 mm of rain over about 41 wet days across the season. It is the coldest season of the year and the 3rd-wettest season.
Across fall, daytime highs hold fairly steady around 31°C. The sky is clear or mostly clear about 34% of the time across fall, and the air most often feels oppressive.
Fall is Lucas's 2nd-best season to visit on our travel score. For the whole year in context, see Lucas's year-round climate.
- Avg daytime high
- 31°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 305 mm
- 41 wet days
- Avg wind
- 6 km/h
- Travel score
- 4.0
- 2nd-best season
- Months
- Mar · Apr · May
Temperature in Lucas in Fall
Across fall, daytime highs hold fairly steady around 31°C.
A typical fall day in Lucas reaches about 31°C and drops to 23°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Lucas
Once humidity and wind are folded in, fall brings about 85 days that feel above 32°C and 0 that feel at or below 0°C.
The story in fall is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Lucas 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 | 32° / 24° | 262 | 24.2 | 12.9 | 2.7 |
| Feb | 32° / 24° | 211 | 22 | 12.5 | 2.7 |
| Mar | 32° / 24° | 181 | 23.1 | 12.1 | 2.8 |
| Apr | 32° / 23° | 84 | 12.5 | 11.6 | 3.8 |
| May | 31° / 21° | 39 | 5.3 | 11.2 | 5.3 |
| Jun | 31° / 20° | 14 | 1.7 | 11 | 5.9 |
| Jul | 31° / 19° | 8 | 0.9 | 11.1 | 5.9 |
| Aug | 33° / 20° | 11 | 1.7 | 11.5 | 4.3 |
| Sep | 34° / 23° | 49 | 6.2 | 11.9 | 3.2 |
| Oct | 34° / 24° | 118 | 14.6 | 12.4 | 2.7 |
| Nov | 33° / 24° | 174 | 19.4 | 12.8 | 2.8 |
| Dec | 32° / 24° | 222 | 23.1 | 13 | 2.7 |
Cloud cover in Fall
The sky is clear or mostly clear about 34% of the time across fall.
Chance of precipitation in Fall
Lucas gets around 305 mm of rain over 41 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 6 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 18 min in early March to 11 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 4.9 kWh/m².
Hazard calendar for Lucas
In fall, Lucas overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Lucas's monsoon runs October–March, when most of the year's rain falls.
Is fall a good time to visit Lucas?
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 a weaker month for outdoor sightseeing in Lucas. The water and warmth also suit a beach or pool day.
What to pack for Lucas in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Lucas sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 41 days see rain.
UV index in Lucas in Fall
Clear-sky midday UV across fall averages around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Lucas peaks around January 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 15 at about 6 (high).
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 | 15 | 14 | 11 | 8 | 7 | 8 | 9 | 6 | 10 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Very high | High | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 15 | Extreme |
| Mar | 14 | Extreme |
| Apr | 11 | Extreme |
| May | 8 | Very high |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 9 | Very high |
| Sep | 6 | High |
| Oct | 10 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Air quality in Lucas in Fall
Average fine-particle pollution (PM2.5) through the year — so you can see where fall falls, not just the annual average.
Air quality in Lucas is worst in September — around 107 µg/m³ PM2.5 (unhealthy), about 16.5× the cleanest month (June, 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) | 10 | 10 | 9 | 8 | 7 | 7 | 7 | 68 | 107 | 30 | 14 | 11 |
| Level | Good | Good | Good | Good | Good | Good | Good | Unhealthy | Unhealthy | Moderate | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 10 | Good |
| Mar | 9 | Good |
| Apr | 8 | Good |
| May | 7 | Good |
| Jun | 7 | Good |
| Jul | 7 | Good |
| Aug | 68 | Unhealthy |
| Sep | 107 | Unhealthy |
| Oct | 30 | Moderate |
| Nov | 14 | Moderate |
| Dec | 11 | Good |
Where is Lucas?
Lucas sits at 16.3°S, 55.9°W, 134 m above sea level, in Brazil. The nearest listed city is Santo Antônio do Leverger, 54 km away.
Topography around Lucas
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Lucas.
Within 3 km, the terrain around Lucas has only modest variations in elevation — a maximum elevation change of 22 m around an average of 130 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, large variations in elevation — a maximum elevation change of 795 m.
The land around Lucas is covered by wetland (40%) and trees (38%) within 3 km, wetland (50%) and trees (38%) within 16 km, and trees (53%) and grassland (26%) within 80 km.
Brazil travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / N
- 127 / 220 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $10,713
- 2025
- Happiness
- 6.6 / 10
- World Happiness, 2025
- Safe drinking water
- 89%
- of population, 2024
- Homicide rate
- 19.3
- per 100k, 2023
- Road deaths
- 16
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 482
- 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 Lucas (-16.3333°, -55.9333°, elevation 134 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.