Tena weather in May

In May, Tena sees average daytime highs of 26°C and overnight lows near 19°C, with 388 mm of rain across 28.7 wet days and about 12 hours of daylight. It is the 9th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 1% of the time in May, and the air most often feels muggy.

Daylight stretches from about 12 hours at the start of May to 11 h 54 min by month's end. Set against the rest of the year, May is Tena's 10th-clearest and 8th-windiest month. For the whole year in context, see Tena's year-round climate.

Daytime high
26°
9th warmest
Overnight low
19°
9th coldest
Rainfall
388 mm
28.7 wet days
Daylight
12 hours
6:09 AM – 6:06 PM
Cloud cover
83%
10th clearest
Wind
3 km/h
8th windiest
Solar energy
4.16 kWh/m²
Travel score
3.7
out of 10

Tena is city in Ecuador, capital of the Napo Province.

Density
2,314/km²
people per km²
Founded
1560

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical May day in Tena reaches about 26°C in the afternoon and slips back to 19°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 28°C. Set against its neighbours, May runs on par with April and about 1°C warmer than June.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12620
22620
32620
42620
52620
62620
72620
82620
92620
102620
112620
122620
132620
142619
152619
162619
172619
182619
192619
202619
212619
222619
232619
242619
252619
262619
272619
282619
292619
302619
312619

Tena weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 19°25924.912.14.2
Feb27° / 20°28523.8123.9
Mar27° / 20°35629.2123.5
Apr26° / 20°33928123.6
May26° / 19°38828.7123.7
Jun25° / 19°40428.111.93.8
Jul25° / 18°38527.511.94.1
Aug26° / 18°27024.4124.5
Sep27° / 18°21724.6124.2
Oct27° / 19°24726.8123.9
Nov27° / 19°29828123.6
Dec27° / 19°30127.712.13.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 8% of May, with mostly cloudy or overcast conditions the remaining 90%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
121090
131090
141090
151090
161090
171090
181090
191090
201090
211090
221090
231090
24991
25991
26991
27991
28991
29991
30991
311090

Chance of precipitation in May

Any precipitation

Tena gets around 388 mm of rain over 28.7 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
592
692
793
893
993
1093
1193
1293
1393
1493
1593
1693
1793
1893
1993
2093
2193
2293
2393
2493
2593
2693
2793
2893
2994
3094
3194

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the muggy band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 97% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
12944
22944
32944
42944
53934
63934
73943
83943
93943
103943
114933
124933
134933
144924
154924
164924
173934
183934
193934
203934
213934
222944
232944
242944
252944
262944
272944
282953
292953
302953
312962

Wind in May

Winds average 3 km/h in May.

Across May, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm
313calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 hours at the start of May to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:09 AM to 6:10 AM, and sunset from 6:07 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:096:07
212.06:096:07
312.06:096:07
412.06:096:07
512.06:096:07
612.06:096:07
712.06:096:07
812.06:096:07
912.06:096:06
1012.06:096:06
1112.06:096:06
1212.06:096:06
1312.06:096:06
1412.06:096:06
1512.06:096:06
1612.06:096:06
1712.06:096:06
1812.06:096:06
1912.06:096:06
2012.06:096:06
2112.06:096:06
2212.06:096:06
2312.06:096:06
2412.06:096:06
2511.96:096:06
2611.96:106:07
2711.96:106:07
2811.96:106:07
2911.96:106:07
3011.96:106:07
3111.96:106:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.16 kWh/m².

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 5.33 kWh/m² in September across the year — May's 4.16 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.3Bright
24.3Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.2Bright
114.2Bright
124.2Bright
134.2Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.1Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.1Bright
254.1Bright
264.1Bright
274.0Bright
284.0Bright
294.0Bright
304.0Bright
314.0Moderate
Planning a trip in May

Is May a good time to visit Tena?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.7
Sightseeing
9th-best month of the year
3.5
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Tena.

What to pack for Tena in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Tena sees daytime highs around 26°C and nights near 19°C. Pack rain gear. Worth having: light clothes. About 29 days see rain.

rain gearlight clothes

UV index in Tena in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 15 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 20UV 18Aug 10UV 12
UV index (midday)Level
Jan16Extreme
Feb18Extreme
Mar17Extreme
Apr14Extreme
May15Extreme
Jun13Extreme
Jul13Extreme
Aug12Extreme
Sep14Extreme
Oct15Extreme
Nov12Extreme
Dec14Extreme

Air quality in Tena in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodFeb 2115 µg/m³Jul 147 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar15Moderate
Apr12Good
May9Good
Jun7Good
Jul6Good
Aug8Good
Sep11Good
Oct11Good
Nov14Moderate
Dec11Good
Location & terrain

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.

3 km
223 m
16 km
1,818 m
80 km
5,586 m
treesshrubsgrasslandartificial surfaceswater
May weather nearby: Puyo 59 km · Banos 81 km · Boca Suno 82 km · Latacunga 89 km · Pelileo 89 km · Ambato 94 km · Pujilí 98 km · Machachi 100 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
Roman Catholic 68%Protestant 19%none 8%other 2%

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. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).