Oyam weather in June

In June, Oyam sees average daytime highs of 29°C and overnight lows near 22°C, with 59 mm of rain across 11.8 wet days and about 12 hours of daylight. It is the 10th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 29°C in the first days to 28°C by the end. The sky is clear or mostly clear about 1% of the time in June, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of June to 12 hours by month's end. Set against the rest of the year, June is Oyam's 2nd-clearest and 4th-windiest month. For the whole year in context, see Oyam's year-round climate.

Daytime high
29°
10th warmest
Overnight low
22°
3rd coldest
Rainfall
59 mm
11.8 wet days
Daylight
12 hours
6:18 AM – 6:17 PM
Cloud cover
80%
2nd clearest
Wind
6 km/h
4th windiest
Solar energy
3.43 kWh/m²
Travel score
5.2
out of 10

Oyam is place in Moyen-Ogooué Province, Gabon.

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 29°C in the first days to 28°C by the end.

A typical June day in Oyam reaches about 29°C in the afternoon and slips back to 22°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, June runs about 2°C cooler than May and about 1°C warmer than July.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
32923
42923
52923
62923
72923
82923
92923
102923
112923
122922
132922
142922
152822
162822
172822
182822
192822
202822
212822
222822
232822
242822
252822
262822
272822
282822
292822
302822

How June really feels in Oyam

Once humidity and wind are folded in, June averages 10 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
10
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Oyam weather by month

How June compares with the rest of the year at a glance. June is the 10th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°16526.2122.8
Feb31° / 23°15723.9122.6
Mar31° / 23°22227.5122.5
Apr31° / 23°22026.5122.6
May31° / 23°19327122.8
Jun29° / 22°5911.8125.2
Jul27° / 21°225.8126.5
Aug28° / 22°266.9126.2
Sep29° / 22°10419.9123.9
Oct30° / 23°25529.3122.7
Nov30° / 23°29329.3122.6
Dec30° / 23°22328.4122.7

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 12% of June, with mostly cloudy or overcast conditions the remaining 88%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31684
41783
51783
61783
71684
81684
91684
101684
111585
121585
131486
141486
151387
161288
171189
181189
191090
201090
21991
22991
23892
24892
25892
26793
27793
28793
29694
30694

Chance of precipitation in June

Any precipitation

Oyam gets around 59 mm of rain over 11.8 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 70% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
170
268
365
462
560
657
754
851
948
1045
1143
1240
1338
1436
1534
1633
1731
1830
1929
2029
2128
2228
2327
2427
2527
2626
2726
2826
2926
3025

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the oppressive band about 79% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1018811
202899
302908
403907
504897
605896
706895
807885
908884
1009874
11010873
12012853
13013852
14015832
15016822
16017821
17019801
18020791
19022771
20023761
21024751
22026740
23027730
24029710
25030700
26132670
27133660
28135640
29137620
30138610

Wind in June

Winds average 6 km/h in June.

Across June, 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.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

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

Days grow by about 0 minutes over June. Sunrise moves from 6:15 AM to 6:21 AM, and sunset from 6:14 PM to 6:20 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:156:14
212.06:156:15
312.06:156:15
412.06:166:15
512.06:166:15
612.06:166:15
712.06:166:15
812.06:166:16
912.06:166:16
1012.06:176:16
1112.06:176:16
1212.06:176:16
1312.06:176:17
1412.06:176:17
1512.06:186:17
1612.06:186:17
1712.06:186:17
1812.06:186:18
1912.06:186:18
2012.06:196:18
2112.06:196:18
2212.06:196:18
2312.06:196:19
2412.06:206:19
2512.06:206:19
2612.06:206:19
2712.06:206:19
2812.06:206:20
2912.06:216:20
3012.06:216:20

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 3.43 kWh/m².

For context, solar energy here swings from a low near 3.22 kWh/m² to a high of 4.88 kWh/m² in March across the year — June's 3.43 kWh/m² sits near the bottom.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.6Moderate
73.6Moderate
83.6Moderate
93.6Moderate
103.5Moderate
113.5Moderate
123.5Moderate
133.5Moderate
143.4Moderate
153.4Moderate
163.4Moderate
173.4Moderate
183.4Moderate
193.3Moderate
203.3Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
Planning a trip in June

Is June a good time to visit Oyam?

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

5.2
Sightseeing
3rd-best month of the year
6.1
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Oyam for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Oyam in June

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

In June, Oyam sees daytime highs around 29°C and nights near 22°C. Pack light clothes. Worth having: rain gear. About 12 days see rain.

light clothesrain gear

UV index in Oyam in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Oyam peaks around March 20 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeMar 20UV 14Jun 21UV 9
UV index (midday)Level
Jan12Extreme
Feb12Extreme
Mar14Extreme
Apr13Extreme
May11Extreme
Jun9Very high
Jul9Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec10Very high

Air quality in Oyam in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Oyam is worst in February — around 41 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (October, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1340 µg/m³Oct 1418 µg/m³
PM2.5 (µg/m³)Level
Jan35Moderate
Feb41Poor
Mar31Moderate
Apr26Moderate
May26Moderate
Jun32Moderate
Jul31Moderate
Aug26Moderate
Sep20Moderate
Oct18Moderate
Nov22Moderate
Dec30Moderate
Location & terrain

Where is Oyam?

Oyam sits at 0.2°S, 10.7°E, 72 m above sea level, in Gabon. The nearest listed city is Lambaréné, 74 km away.

LambarénéNtoumOwendoLibrevilleAkandaMouilaCiudad de la PazPort-Gentil

Topography around Oyam

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

Within 3 km, the terrain around Oyam has significant variations in elevation — a maximum elevation change of 283 m around an average of 116 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 442 m; within 80 km, large variations in elevation — a maximum elevation change of 1,018 m.

The land around Oyam is covered by trees (97%) within 3 km, trees (97%) within 16 km, and trees (99%) within 80 km.

3 km
283 m
16 km
442 m
80 km
1,018 m
treesbare terrainwater
June weather nearby: Lambaréné 74 km · Ntoum 122 km · Owendo 142 km · Libreville 152 km · Akanda 175 km · Mouila 190 km · Ciudad de la Paz 200 km · Port-Gentil 219 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 Oyam (-0.2°, 10.6833°, elevation 72 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).