Santa Rosa in Fall
In fall (March, April and May), Santa Rosa sees average daytime highs around 23°C and overnight lows near 15°C, with 711 mm of rain over about 83 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Across fall, daytime highs hold fairly steady around 23°C. The sky is clear or mostly clear about 5% of the time across fall, and the air most often feels humid.
Fall is Santa Rosa's 3rd-best season to visit on our travel score. For the whole year in context, see Santa Rosa's year-round climate.
- Avg daytime high
- 23°C
- 2nd-warmest season
- Avg overnight low
- 15°C
- Rainfall
- 711 mm
- 83 wet days
- Avg wind
- 3 km/h
- Travel score
- 4.0
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Santa Rosa in Fall
Across fall, daytime highs hold fairly steady around 23°C.
A typical fall day in Santa Rosa reaches about 23°C and drops to 15°C overnight. The warmest of the three months is April, the coolest May.
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 | 23° / 16° | 481 | 30.3 | 12.6 | 3.5 |
| Feb | 23° / 16° | 443 | 27.5 | 12.4 | 3.4 |
| Mar | 23° / 16° | 337 | 30 | 12.1 | 3.6 |
| Apr | 24° / 15° | 220 | 27.6 | 11.8 | 3.9 |
| May | 23° / 15° | 153 | 25.4 | 11.5 | 4.4 |
| Jun | 23° / 14° | 98 | 19.7 | 11.4 | 5.3 |
| Jul | 23° / 13° | 82 | 16.4 | 11.4 | 5.9 |
| Aug | 23° / 13° | 89 | 17.4 | 11.6 | 5.9 |
| Sep | 24° / 14° | 134 | 22 | 11.9 | 5.0 |
| Oct | 24° / 15° | 231 | 28.5 | 12.2 | 3.9 |
| Nov | 24° / 16° | 317 | 28.6 | 12.5 | 3.6 |
| Dec | 23° / 16° | 433 | 30.2 | 12.6 | 3.5 |
Cloud cover in Fall
The sky is clear or mostly clear about 5% of the time across fall.
Chance of precipitation in Fall
Santa Rosa gets around 711 mm of rain over 83 wet days across fall. The line is the day-by-day chance of measurable precipitation.
Humidity in Fall
Most of fall feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Fall
Winds average 3 km/h across fall.
Sunrise & sunset in Fall
Daylight runs from about 12 h 12 min in early March to 11 h 24 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 4.4 kWh/m².
Hazard calendar for Santa Rosa
In fall, Santa Rosa overlaps its rainy season season. The full year is below, with each hazard's peak months called out.
Santa Rosa's rainy season runs October–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 23°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 83 days see rain.
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 11 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near September 13 at about 9 (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) | 16 | 16 | 15 | 13 | 12 | 10 | 10 | 11 | 8 | 14 | 14 | 15 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Very high | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 16 | Extreme |
| Mar | 15 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 11 | Extreme |
| Sep | 8 | Very high |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 15 | 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 September — around 29 µg/m³ PM2.5 (moderate), about 3.2× the cleanest month (May, 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) | 9 | 10 | 11 | 10 | 9 | 9 | 15 | 29 | 29 | 13 | 10 | 9 |
| Level | Good | Good | Good | Good | Good | Good | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 10 | Good |
| Mar | 11 | Good |
| Apr | 10 | Good |
| May | 9 | Good |
| Jun | 9 | Good |
| Jul | 15 | Moderate |
| Aug | 29 | Moderate |
| Sep | 29 | Moderate |
| Oct | 13 | Moderate |
| Nov | 10 | Good |
| Dec | 9 | Good |
Where is Santa Rosa?
Santa Rosa sits at 10.9°S, 74.9°W, 524 m above sea level, in Peru. The nearest listed city is Satipo, 46 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 significant variations in elevation — a maximum elevation change of 565 m around an average of 617 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,346 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,742 m.
The land around Santa Rosa is covered by trees (63%) within 3 km, trees (91%) within 16 km, and trees (89%) within 80 km.
Peru travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C
- 220 V · 60 Hz
- Prices
- ≈ 51% of US
- price level, 2025
- GDP per capita
- $9,684
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 49%
- of population, 2024
- Homicide rate
- 8.6
- per 100k, 2021
- Road deaths
- 13.6
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Moderate
- EF EPI 519
- 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 (-10.9191°, -74.885°, elevation 524 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.