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Tena Weather in May
In Tena, May brings high daytime temperatures around 26°C (79°F), with nights cooling to 18°C (64°F). This month falls within the rainy season, so expect frequent rainfall.
Rainfall in Tena in May
As part of the rainy season, Tena sees around 23 days of rain in May, with an average of 354 mm (14 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Tena in May
Daytime highs in Tena in May reach 26°C (79°F), with nights around 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Tena in May
The month has fewer sunny days, with around 74 hours of sunshine.If you prefer dry days with pleasant temperatures, May may not be the ideal month to visit Tena. Our weather planner can help you explore destinations with more pleasant weather conditions.
Tena Temperature in May
Min Temperature
18°C (64°F)
Max Temperature
26°C (79°F)
Chance of Rain
78%
Precipitation
354 mm (14 in)
Rainy days
23 days
Humidity
89% *
Sunshine
74 hours *
Percentage Sunshine
*
* Data from: Puyo, Ecuador (62 KM, 38 Miles).
Tena Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Tena - and find the best time to visit.
Historical weather records for Tena in May
Browse day-by-day weather records for Tena spanning 48 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Tena historical weather extremes in May
Based on weather observations in Tena between 2006 and 2026, these are the recorded extremes during May.
- The hottest May day on record in Tena reached 34°C (93°F) (May 12, 2020).
- Tena experienced its chilliest May day on May 3, 2026, reaching only 20°C (68°F).
- Nighttime temperatures dropped to 16°C (61°F) on May 20, 2022, marking the coldest May night on record.
Best Places in Ecuador in May
Find out more about the weather in Ecuador and which places have the best travel conditions in this month. See all of Ecuador in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Tena in May
Warm weather calls for comfortable, breathable clothing in May. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.
What To Do in Tena in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling7/10 -
Walking7/10 -
Camping6/10 -
Outdoor sports7/10
Tena 3-Day Forecast
More climate data for Tena
Temperature Rainfall Sunshine Humidity
See the full Tena climate overview or explore weather in Ecuador.
Popular in May
Where to go in May - average daytime high across popular destinations.
Guayaquil
30°C (86°F) Montañita
28°C (82°F) Puerto Ayora29°C (84°F) Puerto Baquerizo Moreno
26°C (79°F) Salinas26°C (79°F) Quito19°C (66°F) Baños17°C (63°F) Cuenca
16°C (61°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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