Donghol-Sigon in Summer
In summer (June, July and August), Donghol-Sigon sees average daytime highs around 28°C and overnight lows near 20°C, with 1024 mm of rain over about 84 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Over the season highs ease from about 31°C in early June to 27°C by late August. The sky is clear or mostly clear about 4% of the time across summer, and the air most often feels muggy.
Summer is Donghol-Sigon's 3rd-best season to visit on our travel score. For the whole year in context, see Donghol-Sigon's year-round climate.
- Avg daytime high
- 28°C
- coldest season of the year
- Avg overnight low
- 20°C
- Rainfall
- 1024 mm
- 84 wet days
- Avg wind
- 5 km/h
- Travel score
- 3.4
- 3rd-best season
- Months
- Jun · Jul · Aug
Temperature in Donghol-Sigon in Summer
Over the season highs ease from about 31°C in early June to 27°C by late August.
A typical summer day in Donghol-Sigon reaches about 28°C and drops to 20°C overnight. The warmest of the three months is June, the coolest August.
How summer really feels in Donghol-Sigon
Once humidity and wind are folded in, summer brings about 12 days that feel above 32°C and 0 that feel at or below 0°C.
The story in summer is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Donghol-Sigon weather by month
How the three summer months (June, July and August) 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 | 31° / 17° | 1 | 0.3 | 11.4 | 5.8 |
| Feb | 33° / 18° | 1 | 0.3 | 11.6 | 4.8 |
| Mar | 34° / 20° | 4 | 0.8 | 11.9 | 3.8 |
| Apr | 35° / 22° | 11 | 2.8 | 12.3 | 3.2 |
| May | 33° / 22° | 97 | 12.5 | 12.5 | 3.2 |
| Jun | 29° / 21° | 242 | 24.5 | 12.7 | 3.4 |
| Jul | 27° / 20° | 373 | 29.1 | 12.6 | 3.5 |
| Aug | 27° / 20° | 409 | 30 | 12.4 | 3.4 |
| Sep | 28° / 20° | 329 | 28.7 | 12.1 | 3.3 |
| Oct | 30° / 19° | 153 | 20.9 | 11.7 | 3.9 |
| Nov | 31° / 18° | 19 | 3 | 11.5 | 5.4 |
| Dec | 31° / 17° | 2 | 0.5 | 11.3 | 5.8 |
Cloud cover in Summer
The sky is clear or mostly clear about 4% of the time across summer.
Chance of precipitation in Summer
Donghol-Sigon gets around 1024 mm of rain over 84 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 5 km/h across summer.
Sunrise & sunset in Summer
Daylight runs from about 12 h 36 min in early June to 12 h 12 min by late August. 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 4.9 kWh/m².
Hazard calendar for Donghol-Sigon
In summer, Donghol-Sigon overlaps its monsoon and dust season. The full year is below, with each hazard's peak months called out.
Donghol-Sigon's monsoon runs June–September, when most of the year's rain falls.
Donghol-Sigon sees seasonal dust haze (February–June), heaviest in June.
Is summer a good time to visit Donghol-Sigon?
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 Donghol-Sigon.
What to pack for Donghol-Sigon in Summer
From summer's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In summer, Donghol-Sigon sees daytime highs around 28°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 84 days see rain.
UV index in Donghol-Sigon in Summer
Clear-sky midday UV across summer averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Donghol-Sigon peaks around March 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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) | 9 | 12 | 14 | 13 | 11 | 12 | 12 | 14 | 13 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 14 | Extreme |
| Apr | 13 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Donghol-Sigon 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 Donghol-Sigon is worst in December — around 77 µg/m³ PM2.5 (unhealthy), about 5.9× the cleanest month (August, 13 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) | 57 | 53 | 50 | 77 | 47 | 26 | 17 | 13 | 17 | 32 | 50 | 77 |
| Level | Unhealthy | Poor | Poor | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Poor | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 57 | Unhealthy |
| Feb | 53 | Poor |
| Mar | 50 | Poor |
| Apr | 77 | Unhealthy |
| May | 47 | Poor |
| Jun | 26 | Moderate |
| Jul | 17 | Moderate |
| Aug | 13 | Moderate |
| Sep | 17 | Moderate |
| Oct | 32 | Moderate |
| Nov | 50 | Poor |
| Dec | 77 | Unhealthy |
Where is Donghol-Sigon?
Donghol-Sigon sits at 11.8°N, 12.2°W, 940 m above sea level, in Guinea. The nearest listed city is Labé, 54 km away.
Topography around Donghol-Sigon
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Donghol-Sigon.
Within 3 km, the terrain around Donghol-Sigon has significant variations in elevation — a maximum elevation change of 353 m around an average of 885 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 861 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,449 m.
The land around Donghol-Sigon is covered by grassland (57%) and trees (34%) within 3 km, trees (49%) and grassland (45%) within 16 km, and trees (49%) and grassland (33%) within 80 km.
Guinea travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type C / F / K
- 220 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $1,877
- 2025
- Happiness
- 4.6 / 10
- World Happiness, 2025
- Road deaths
- 29.7
- 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 Donghol-Sigon (11.8°, -12.2167°, elevation 940 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.