Oyem weather in July

In July, Oyem sees average daytime highs of 27°C and overnight lows near 20°C, with 119 mm of rain across 20.4 wet days and about 12.1 hours of daylight. It is the 12th-warmest and 8th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 0% of the time in July, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of July to 12 h 06 min by month's end. Set against the rest of the year, July is Oyem's 7th-clearest and 5th-windiest month. For the whole year in context, see Oyem's year-round climate.

Daytime high
27°
12th warmest
Overnight low
20°
1st coldest
Rainfall
119 mm
20.4 wet days
Daylight
12 h 06 min
6:17 AM – 6:22 PM
Cloud cover
82%
7th clearest
Wind
6 km/h
5th windiest
Solar energy
3.94 kWh/m²
Travel score
4.7
out of 10

Oyem is city in Gabon.

Founded
1904

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 27°C through the month.

A typical July day in Oyem reaches about 27°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 28°C. Set against its neighbours, July runs about 1°C cooler than June and on par with August.

15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12720
22720
32720
42720
52720
62720
72720
82720
92720
102720
112720
122720
132720
142720
152720
162720
172720
182720
192720
202720
212720
222720
232720
242720
252720
262720
272720
282720
292720
302720
312720

How July really feels in Oyem

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

July sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Oyem weather by month

How July compares with the rest of the year at a glance. July is the 12th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°8516.411.94.3
Feb30° / 20°11217.111.93.9
Mar30° / 20°20025.5123.2
Apr30° / 21°22626.4123.0
May29° / 21°18526.912.13.3
Jun28° / 20°14322.712.14.2
Jul27° / 20°11920.412.14.7
Aug27° / 20°11720.612.14.6
Sep28° / 20°22327.2123.6
Oct28° / 20°26129.1123.4
Nov28° / 20°23227.311.93.4
Dec29° / 20°11620.411.94.1

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in July.

Beyond those clear spells, partly cloudy skies cover about 8% of July, with mostly cloudy or overcast conditions the remaining 91%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41288
51288
61288
71189
81189
91189
101090
111090
121090
131090
141090
15991
16991
17892
18892
19892
20793
21793
22694
23694
24694
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in July

Any precipitation

Oyem gets around 119 mm of rain over 20.4 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 66% and peaks near 72% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
172
271
371
471
570
670
769
869
969
1068
1168
1268
1368
1467
1567
1667
1766
1866
1965
2065
2164
2263
2363
2462
2561
2660
2760
2859
2959
3058
3158

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 91% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)
14924
24924
34924
44924
54924
64924
75923
85923
95923
105923
115923
125932
135932
145932
155932
165932
175941
185941
196931
206931
217921
227921
238911
249901
259901
2610891
2711881
2811881
2912871
3012871
3113861

Wind in July

Winds average 6 km/h in July.

Across July, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 12 h 06 min at the start of July to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over July. Sunrise moves from 6:14 AM to 6:18 AM, and sunset from 6:20 PM to 6:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.16:146:20
212.16:146:20
312.16:156:20
412.16:156:20
512.16:156:20
612.16:156:21
712.16:156:21
812.16:166:21
912.16:166:21
1012.16:166:21
1112.16:166:21
1212.16:166:21
1312.16:166:22
1412.16:176:22
1512.16:176:22
1612.16:176:22
1712.16:176:22
1812.16:176:22
1912.16:176:22
2012.16:176:22
2112.16:176:22
2212.16:176:22
2312.16:176:22
2412.16:176:22
2512.16:186:22
2612.16:186:22
2712.16:186:22
2812.16:186:22
2912.16:186:22
3012.16:186:22
3112.16:186:22

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.94 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 5 kWh/m² in March across the year — July's 3.94 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
14.0Moderate
24.0Moderate
34.0Moderate
44.0Moderate
54.0Moderate
64.0Moderate
74.0Moderate
84.0Moderate
94.0Moderate
104.0Moderate
114.0Moderate
124.0Moderate
134.0Moderate
144.0Moderate
154.0Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.9Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
274.0Moderate
284.0Moderate
294.0Moderate
304.0Moderate
314.0Moderate
Planning a trip in July

Is July a good time to visit Oyem?

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

4.7
Sightseeing
1st-best month of the year
4.8
Beach & pool
4th-best month of the year

July is a reasonable time to visit Oyem for sightseeing.

What to pack for Oyem in July

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

In July, Oyem sees daytime highs around 27°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 20 days see rain.

rain gearlight clothes

UV index in Oyem in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oyem peaks around March 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeExtremeVery highMar 21UV 14Dec 16UV 9
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar14Extreme
Apr13Extreme
May12Extreme
Jun10Very high
Jul10Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov11Extreme
Dec9Very high

Air quality in Oyem in July

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where July falls, not just the annual average.

Air quality in Oyem is worst in February — around 48 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (October, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateGoodModerateFeb 1346 µg/m³Oct 109 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb48Poor
Mar29Moderate
Apr20Moderate
May15Moderate
Jun19Moderate
Jul20Moderate
Aug16Moderate
Sep9Good
Oct9Good
Nov15Moderate
Dec30Moderate
Location & terrain

Where is Oyem?

Oyem sits at 1.6°N, 11.6°E, 656 m above sea level, in Gabon. The nearest listed city is Bitam, 54 km away.

BitamEbebiyinCiudad de la PazAmbamMakokouBata

Topography around Oyem

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Oyem.

Within 3 km, the terrain around Oyem has only modest variations in elevation — a maximum elevation change of 103 m around an average of 654 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 244 m; within 80 km, significant variations in elevation — a maximum elevation change of 569 m.

The land around Oyem is covered by trees (63%) and artificial surfaces (23%) within 3 km, trees (97%) within 16 km, and trees (100%) within 80 km.

3 km
103 m
16 km
244 m
80 km
569 m
treesgrasslandartificial surfaces
July weather nearby: Bitam 54 km · Ebebiyin 67 km · Ciudad de la Paz 84 km · Ambam 93 km · Ébolowa 152 km · Sangmélima 155 km · Makokou 183 km · Bata 204 km

Gabon travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 37% of US
price level, 2025
GDP per capita
$8,263
2025
Happiness
5.2 / 10
World Happiness, 2025
Road deaths
23.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 46%Roman Catholic 30%Muslim 11%none 7%

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 Oyem (1.5995°, 11.5793°, elevation 656 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).