Gleno in Summer
In summer (December, January and February), Gleno sees average daytime highs around 26°C and overnight lows near 20°C, with 1019 mm of rain over about 86 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across summer, daytime highs hold fairly steady around 26°C. The sky is clear or mostly clear about 2% of the time across summer, and the air most often feels muggy.
Summer is Gleno's weakest season of the year to visit on our travel score. For the whole year in context, see Gleno's year-round climate.
- Avg daytime high
- 26°C
- coldest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 1019 mm
- 86 wet days
- Avg wind
- 4 km/h
- Travel score
- 3.5
- weakest season of the year
- Months
- Dec · Jan · Feb
Temperature in Gleno in Summer
Across summer, daytime highs hold fairly steady around 26°C.
A typical summer day in Gleno reaches about 26°C and drops to 20°C overnight. The warmest of the three months is December, the coolest February.
Gleno 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 | 26° / 20° | 344 | 29.5 | 12.5 | 3.5 |
| Feb | 26° / 20° | 334 | 27.1 | 12.3 | 3.5 |
| Mar | 26° / 20° | 317 | 27.7 | 12.1 | 3.9 |
| Apr | 27° / 19° | 177 | 18.9 | 11.8 | 5.0 |
| May | 27° / 19° | 88 | 12.7 | 11.6 | 6.1 |
| Jun | 26° / 18° | 44 | 7 | 11.5 | 7.0 |
| Jul | 26° / 17° | 21 | 4.8 | 11.5 | 7.5 |
| Aug | 27° / 16° | 9 | 1.6 | 11.7 | 7.9 |
| Sep | 28° / 17° | 15 | 2.1 | 11.9 | 7.2 |
| Oct | 29° / 19° | 45 | 7 | 12.2 | 5.9 |
| Nov | 29° / 20° | 158 | 17.8 | 12.4 | 4.6 |
| Dec | 27° / 20° | 341 | 29 | 12.5 | 3.6 |
Cloud cover in Summer
The sky is clear or mostly clear about 2% of the time across summer.
Chance of precipitation in Summer
Gleno gets around 1019 mm of rain over 86 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 4 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 30 min in early December to 12 h 12 min 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 5.1 kWh/m².
Hazard calendar for Gleno
In summer, Gleno overlaps its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.
Gleno sits in the South Indian Ocean cyclone belt; the season peaks January–March.
Gleno's monsoon runs November–April, when most of the year's rain falls.
Is summer a good time to visit Gleno?
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 weaker month for outdoor sightseeing in Gleno.
What to pack for Gleno in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Gleno sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes and sun protection. About 86 days see rain.
Sea temperature near Gleno in Summer
The nearest coast averages about 29°C across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 36 km away) is warmest in November at about 30°C and coldest in August near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 29 | 29 | 29 | 29 | 29 | 28 | 28 | 27 | 28 | 29 | 30 | 30 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm | Warm | Warm | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 29 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 29 | Tropical |
| May | 29 | Tropical |
| Jun | 28 | Tropical |
| Jul | 28 | Warm |
| Aug | 27 | Warm |
| Sep | 28 | Warm |
| Oct | 29 | Tropical |
| Nov | 30 | Tropical |
| Dec | 30 | Tropical |
UV index in Gleno in Summer
Clear-sky midday UV across summer averages around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Gleno peaks around March 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 10 at about 10 (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) | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 12 | 15 | 14 | 14 | 13 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 16 | Extreme |
| Mar | 16 | Extreme |
| Apr | 14 | Extreme |
| May | 11 | Extreme |
| Jun | 10 | Very high |
| Jul | 10 | Very high |
| Aug | 12 | Extreme |
| Sep | 15 | Extreme |
| Oct | 14 | Extreme |
| Nov | 14 | Extreme |
| Dec | 13 | Extreme |
Where is Gleno?
Gleno sits at 8.7°S, 125.4°E, 0 m above sea level, in Timor Leste. The nearest listed city is Aileu, 14 km away.
Topography around Gleno
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Gleno.
Within 3 km, the terrain around Gleno has significant variations in elevation — a maximum elevation change of 493 m around an average of 783 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,307 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,916 m.
The land around Gleno is covered by trees (47%) and grassland (47%) within 3 km, trees (64%) and grassland (35%) within 16 km, and water (49%) and trees (35%) within 80 km.
Timor Leste travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / E / F / I
- 220 V · 50 Hz
- Prices
- ≈ 28% of US
- price level, 2025
- GDP per capita
- $1,341
- 2025
- Homicide rate
- 4.1
- per 100k, 2015
- Road deaths
- 11.9
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- 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 Gleno (-8.7239°, 125.4361°, elevation 0 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.