Imperial in Spring
In spring (September, October and November), Imperial sees average daytime highs around 22°C and overnight lows near 16°C, with 5 mm of rain over about 1 wet days across the season. It is the 3rd-warmest season and the 3rd-wettest season.
Across spring, daytime highs hold fairly steady around 22°C. The sky is clear or mostly clear about 47% of the time across spring, and the air most often feels dry.
Spring is Imperial's 2nd-best season to visit on our travel score. Imperial 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 Imperial's year-round climate.
- Avg daytime high
- 22°C
- 3rd-warmest season
- Avg overnight low
- 16°C
- Rainfall
- 5 mm
- 1 wet days
- Avg wind
- 5 km/h
- Travel score
- 8.3
- 2nd-best season
- Months
- Sep · Oct · Nov
Temperature in Imperial in Spring
Across spring, daytime highs hold fairly steady around 22°C.
A typical spring day in Imperial reaches about 22°C and drops to 16°C overnight. The warmest of the three months is November, the coolest September.
Imperial 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 | 24° / 18° | 27 | 8.2 | 12.7 | 6.7 |
| Feb | 24° / 19° | 44 | 11.7 | 12.4 | 6.0 |
| Mar | 24° / 19° | 26 | 7.5 | 12.1 | 6.8 |
| Apr | 24° / 18° | 4 | 1.4 | 11.7 | 8.2 |
| May | 23° / 16° | 1 | 0.4 | 11.4 | 8.8 |
| Jun | 21° / 16° | 0 | 0.1 | 11.2 | 8.7 |
| Jul | 21° / 15° | 1 | 0.1 | 11.3 | 8.7 |
| Aug | 21° / 15° | 0 | 0 | 11.6 | 8.7 |
| Sep | 21° / 15° | 0 | 0.1 | 11.9 | 8.6 |
| Oct | 22° / 15° | 3 | 0.8 | 12.3 | 8.2 |
| Nov | 23° / 16° | 2 | 0.4 | 12.6 | 8.1 |
| Dec | 23° / 17° | 7 | 2.1 | 12.8 | 7.7 |
Cloud cover in Spring
The sky is clear or mostly clear about 47% of the time across spring.
Chance of precipitation in Spring
Imperial gets around 5 mm of rain over 1 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 5 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 11 h 42 min in early September to 12 h 42 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 7.2 kWh/m².
Is spring a good time to visit Imperial?
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 one of the better times to visit Imperial for general sightseeing.
What to pack for Imperial in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Imperial sees daytime highs around 22°C and nights near 16°C. Pack sun protection. Worth having: light clothes.
Sea temperature near Imperial in Spring
The nearest coast averages about 17°C across spring — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in February at about 21°C and coldest in September near 17°C.
It's comfortable for a long swim from Jan 1 to Apr 21 — about 3.6 months when the water holds above 20°C.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 21 | 21 | 21 | 20 | 19 | 18 | 18 | 17 | 17 | 17 | 18 | 19 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Cool | Cool | Cool | Cool | Cool | Cool | Cool | Cool |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 21 | Refreshing |
| Feb | 21 | Refreshing |
| Mar | 21 | Refreshing |
| Apr | 20 | Refreshing |
| May | 19 | Cool |
| Jun | 18 | Cool |
| Jul | 18 | Cool |
| Aug | 17 | Cool |
| Sep | 17 | Cool |
| Oct | 17 | Cool |
| Nov | 18 | Cool |
| Dec | 19 | Cool |
UV index in Imperial in Spring
Clear-sky midday UV across spring averages around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Imperial peaks around February 12 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 8 (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) | 15 | 16 | 13 | 12 | 10 | 8 | 8 | 10 | 11 | 13 | 13 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 15 | Extreme |
| Feb | 16 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 10 | Very high |
| Jun | 8 | Very high |
| Jul | 8 | Very high |
| Aug | 10 | Extreme |
| Sep | 11 | Extreme |
| Oct | 13 | Extreme |
| Nov | 13 | Extreme |
| Dec | 14 | Extreme |
Where is Imperial?
Imperial sits at 13.1°S, 76.4°W, 91 m above sea level, in Peru. The nearest listed city is San Vicente de Cañete, 4.0 km away.
Topography around Imperial
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Imperial.
Within 3 km, the terrain around Imperial has only modest variations in elevation — a maximum elevation change of 168 m around an average of 98 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,426 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,195 m.
The land around Imperial is covered by cropland (42%) and bare terrain (22%) within 3 km, bare terrain (48%) within 16 km, and bare terrain (38%) and water (32%) 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 Imperial (-13.0593°, -76.3527°, elevation 91 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.