Santa Rosa in Fall
In fall (March, April and May), Santa Rosa sees average daytime highs around 29°C and overnight lows near 22°C, with 950 mm of rain over about 78 wet days across the season. It is the warmest season of the year and the wettest season of the year.
Across fall, daytime highs hold fairly steady around 29°C. The sky is clear or mostly clear about 0% of the time across fall, and the air most often feels oppressive.
Fall is Santa Rosa's weakest season of the year to visit on our travel score. Santa Rosa has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Santa Rosa's year-round climate.
- Avg daytime high
- 29°C
- warmest season of the year
- Avg overnight low
- 22°C
- Rainfall
- 950 mm
- 78 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.4
- weakest season of the year
- Months
- Mar · Apr · May
Temperature in Santa Rosa in Fall
Across fall, daytime highs hold fairly steady around 29°C.
A typical fall day in Santa Rosa reaches about 29°C and drops to 22°C overnight. The warmest of the three months is March, the coolest May.
How fall really feels in Santa Rosa
Once humidity and wind are folded in, fall brings about 41 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.
Santa Rosa 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 | 28° / 22° | 246 | 26.5 | 12.2 | 3.4 |
| Feb | 29° / 23° | 366 | 26.3 | 12.1 | 3.0 |
| Mar | 29° / 23° | 461 | 27.9 | 12 | 3.1 |
| Apr | 29° / 23° | 298 | 25.5 | 11.9 | 3.3 |
| May | 28° / 22° | 192 | 24.7 | 11.8 | 3.8 |
| Jun | 27° / 21° | 81 | 18.5 | 11.8 | 4.9 |
| Jul | 26° / 20° | 52 | 15.6 | 11.8 | 5.5 |
| Aug | 26° / 19° | 30 | 9.3 | 11.9 | 6.4 |
| Sep | 26° / 20° | 33 | 8.2 | 12 | 6.4 |
| Oct | 27° / 20° | 47 | 12.3 | 12.1 | 5.7 |
| Nov | 27° / 20° | 62 | 13.3 | 12.2 | 5.4 |
| Dec | 28° / 21° | 129 | 20.4 | 12.2 | 4.4 |
Cloud cover in Fall
The sky is clear or mostly clear about 0% of the time across fall.
Chance of precipitation in Fall
Santa Rosa gets around 950 mm of rain over 78 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 5 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 06 min in early March to 11 h 48 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 4.7 kWh/m².
Hazard calendar for Santa Rosa
In fall, Santa Rosa overlaps its monsoon season. The full year is below, with each hazard's peak months called out.
Santa Rosa's monsoon runs January–April, when most of the year's rain falls.
Is fall a good time to visit Santa Rosa?
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 Santa Rosa.
What to pack for Santa Rosa in Fall
From fall's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In fall, Santa Rosa sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 78 days see rain.
Sea temperature near Santa Rosa in Fall
The nearest coast averages about 26°C across fall — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 38 km away) is warmest in March at about 27°C and coldest in September near 23°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 26 | 27 | 27 | 26 | 26 | 25 | 24 | 23 | 23 | 24 | 24 | 25 |
| Comfort | Warm | Warm | Warm | Warm | Warm | Warm | Refreshing | Refreshing | Refreshing | Refreshing | Refreshing | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 26 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 26 | Warm |
| May | 26 | Warm |
| Jun | 25 | Warm |
| Jul | 24 | Refreshing |
| Aug | 23 | Refreshing |
| Sep | 23 | Refreshing |
| Oct | 24 | Refreshing |
| Nov | 24 | Refreshing |
| Dec | 25 | Warm |
UV index in Santa Rosa in Fall
Clear-sky midday UV across fall averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Santa Rosa peaks around February 21 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 16 at about 10 (very 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) | 14 | 15 | 15 | 12 | 12 | 10 | 10 | 10 | 12 | 13 | 12 | 12 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Extreme |
| Jul | 10 | Very high |
| Aug | 10 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 12 | Extreme |
| Dec | 12 | Extreme |
Air quality in Santa Rosa 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 Santa Rosa is worst in December — around 29 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (August, 9 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) | 15 | 14 | 14 | 15 | 15 | 15 | 12 | 9 | 10 | 14 | 27 | 29 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 14 | Moderate |
| Mar | 14 | Moderate |
| Apr | 15 | Moderate |
| May | 15 | Moderate |
| Jun | 15 | Moderate |
| Jul | 12 | Moderate |
| Aug | 9 | Good |
| Sep | 10 | Good |
| Oct | 14 | Moderate |
| Nov | 27 | Moderate |
| Dec | 29 | Moderate |
Where is Santa Rosa?
Santa Rosa sits at 3.5°S, 80.0°W, 81 m above sea level, in Ecuador. The nearest listed city is Arenillas, 16 km away.
Topography around Santa Rosa
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Rosa.
Within 3 km, the terrain around Santa Rosa has only modest variations in elevation — a maximum elevation change of 41 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,121 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,137 m.
The land around Santa Rosa is covered by trees (39%), grassland (33%) and artificial surfaces (22%) within 3 km, trees (54%) within 16 km, and trees (40%), water (27%) and grassland (25%) within 80 km.
Ecuador travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 43% of US
- price level, 2025
- GDP per capita
- $7,125
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 70%
- of population, 2024
- Homicide rate
- 45.7
- per 100k, 2023
- Road deaths
- 20.1
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 466
- 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 Santa Rosa (-3.4557°, -79.9637°, elevation 81 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.