Tena in Summer
In summer (December, January and February), Tena sees average daytime highs around 27°C and overnight lows near 19°C, with 846 mm of rain over about 76 wet days across the season. It is the 2nd-warmest season and the 3rd-wettest season.
Across summer, daytime highs hold fairly steady around 27°C. The sky is clear or mostly clear about 4% of the time across summer, and the air most often feels muggy.
Summer is Tena's 2nd-best season to visit on our travel score. Tena 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 Tena's year-round climate.
- Avg daytime high
- 27°C
- 2nd-warmest season
- Avg overnight low
- 19°C
- Rainfall
- 846 mm
- 76 wet days
- Avg wind
- 3 km/h
- Travel score
- 4.0
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Tena in Summer
Across summer, daytime highs hold fairly steady around 27°C.
A typical summer day in Tena reaches about 27°C and drops to 19°C overnight. The warmest of the three months is February, the coolest January.
Tena weather by month
How the three summer months (December, January and February) 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 | 27° / 19° | 259 | 24.9 | 12.1 | 4.2 |
| Feb | 27° / 20° | 285 | 23.8 | 12 | 3.9 |
| Mar | 27° / 20° | 356 | 29.2 | 12 | 3.5 |
| Apr | 26° / 20° | 339 | 28 | 12 | 3.6 |
| May | 26° / 19° | 388 | 28.7 | 12 | 3.7 |
| Jun | 25° / 19° | 404 | 28.1 | 11.9 | 3.8 |
| Jul | 25° / 18° | 385 | 27.5 | 11.9 | 4.1 |
| Aug | 26° / 18° | 270 | 24.4 | 12 | 4.5 |
| Sep | 27° / 18° | 217 | 24.6 | 12 | 4.2 |
| Oct | 27° / 19° | 247 | 26.8 | 12 | 3.9 |
| Nov | 27° / 19° | 298 | 28 | 12 | 3.6 |
| Dec | 27° / 19° | 301 | 27.7 | 12.1 | 3.9 |
Cloud cover in Summer
The sky is clear or mostly clear about 4% of the time across summer.
Chance of precipitation in Summer
Tena gets around 846 mm of rain over 76 wet days across summer. The line is the day-by-day chance of measurable precipitation.
Humidity in Summer
Most of summer feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Summer
Winds average 3 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 06 min in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Summer
Average shortwave solar energy reaching the ground each day across summer, about 4.7 kWh/m².
Is summer a good time to visit Tena?
Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
summer is a reasonable time to visit Tena for sightseeing.
What to pack for Tena in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Tena sees daytime highs around 27°C and nights near 19°C. Pack rain gear. Worth having: light clothes and sun protection. About 76 days see rain.
UV index in Tena in Summer
Clear-sky midday UV across summer averages around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Tena peaks around February 20 at about 18 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 10 at about 12 (extreme).
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 | 18 | 17 | 14 | 15 | 13 | 13 | 12 | 14 | 15 | 12 | 14 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 16 | Extreme |
| Feb | 18 | Extreme |
| Mar | 17 | Extreme |
| Apr | 14 | Extreme |
| May | 15 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 12 | Extreme |
| Sep | 14 | Extreme |
| Oct | 15 | Extreme |
| Nov | 12 | Extreme |
| Dec | 14 | Extreme |
Air quality in Tena in Summer
Average fine-particle pollution (PM2.5) through the year — so you can see where summer falls, not just the annual average.
Air quality in Tena is worst in February — around 15 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (July, 6 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) | 12 | 15 | 15 | 12 | 9 | 7 | 6 | 8 | 11 | 11 | 14 | 11 |
| Level | Good | Moderate | Moderate | Good | Good | Good | Good | Good | Good | Good | Moderate | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 15 | Moderate |
| Mar | 15 | Moderate |
| Apr | 12 | Good |
| May | 9 | Good |
| Jun | 7 | Good |
| Jul | 6 | Good |
| Aug | 8 | Good |
| Sep | 11 | Good |
| Oct | 11 | Good |
| Nov | 14 | Moderate |
| Dec | 11 | Good |
Where is Tena?
Tena sits at 1.0°S, 77.8°W, 610 m above sea level, in Ecuador. The nearest listed city is Puyo, 59 km away.
Topography around Tena
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Tena.
Within 3 km, the terrain around Tena has only modest variations in elevation — a maximum elevation change of 223 m around an average of 557 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,818 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,586 m.
The land around Tena is covered by trees (79%) within 3 km, trees (96%) within 16 km, and trees (85%) 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 Tena (-0.9961°, -77.8131°, elevation 610 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.