Dolisie weather in May

In May, Dolisie sees average daytime highs of 29°C and overnight lows near 22°C, with 94 mm of rain across 17.5 wet days and about 11.8 hours of daylight. It is the 5th-warmest and 8th-wettest month of the year here.

Highs ease over the month, from about 30°C in the first days to 28°C by the end. The sky is clear or mostly clear about 1% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 11 h 54 min at the start of May to 11 h 48 min by month's end. Set against the rest of the year, May is Dolisie's 2nd-clearest and 7th-windiest month. For the whole year in context, see Dolisie's year-round climate.

Daytime high
29°
5th warmest
Overnight low
22°
7th coldest
Rainfall
94 mm
17.5 wet days
Daylight
11 h 48 min
6:11 AM – 6:00 PM
Cloud cover
77%
2nd clearest
Wind
5 km/h
7th windiest
Solar energy
3.89 kWh/m²
Travel score
4.5
out of 10

Dolisie is city in Congo-Brazzaville.

Founded
1934

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 30°C in the first days to 28°C by the end.

A typical May day in Dolisie reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13022
23022
33022
43022
53022
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232822
242822
252822
262821
272821
282821
292821
302821
312821

How May really feels in Dolisie

Once humidity and wind are folded in, May averages 16 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
16
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

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

Dolisie weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 8th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 22°22026.812.23.2
Feb30° / 22°18023.312.13.2
Mar30° / 22°17724.5123.1
Apr30° / 22°18023.611.93.2
May29° / 22°9417.511.84.5
Jun27° / 20°51.411.87.3
Jul26° / 18°20.311.87.7
Aug26° / 19°51.211.97.3
Sep27° / 20°185.1126.6
Oct29° / 22°1222112.14.0
Nov29° / 22°24527.312.23.1
Dec29° / 22°25828.112.23.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11189
21189
31189
41288
51288
61387
71387
81486
91585
101684
111783
121783
131981
141981
152080
162080
172080
182080
192080
202080
212080
221981
231981
241882
251783
261783
271585
281585
291486
301486
311486

Chance of precipitation in May

Any precipitation

Dolisie gets around 94 mm of rain over 17.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 81% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
181
280
380
479
578
676
775
874
972
1070
1168
1266
1364
1462
1560
1658
1756
1853
1951
2049
2146
2244
2341
2439
2537
2635
2732
2830
2928
3025
3123

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
101981
201981
301990
401990
501990
601990
702980
802980
902980
1003970
1104960
1204960
1305950
1416930
1517920
1618910
17110890
18112870
19113860
20115840
21117820
22120790
23122770
24125740
25127720
26130690
27134650
28137620
29141580
30144550
31148510

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 4 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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 54 min at the start of May to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over May. Sunrise moves from 6:11 AM to 6:13 AM, and sunset from 6:02 PM to 6:00 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:116:02
211.96:116:02
311.86:116:02
411.86:116:02
511.86:116:01
611.86:116:01
711.86:116:01
811.86:116:01
911.86:116:01
1011.86:116:00
1111.86:116:00
1211.86:116:00
1311.86:116:00
1411.86:116:00
1511.86:116:00
1611.86:116:00
1711.86:116:00
1811.86:116:00
1911.86:126:00
2011.86:126:00
2111.86:126:00
2211.86:126:00
2311.86:126:00
2411.86:126:00
2511.86:126:00
2611.86:136:00
2711.86:136:00
2811.86:136:00
2911.86:136:00
3011.86:136:00
3111.86:136:00

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.89 kWh/m².

For context, solar energy here swings from a low near 3.27 kWh/m² to a high of 4.88 kWh/m² in March across the year — May's 3.89 kWh/m² falls in the middle.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.2Bright
44.1Bright
54.1Bright
64.1Bright
74.1Bright
84.1Bright
94.1Bright
104.0Bright
114.0Bright
124.0Bright
134.0Moderate
144.0Moderate
154.0Moderate
163.9Moderate
173.9Moderate
183.9Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.5Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Dolisie

In seasonPeak

None of Dolisie's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Dolisie's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Dolisie?

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

4.5
Sightseeing
5th-best month of the year
5.5
Beach & pool
5th-best month of the year

May is a reasonable time to visit Dolisie for sightseeing.

What to pack for Dolisie in May

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

In May, Dolisie sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. About 18 days see rain.

light clothesrain gear

UV index in Dolisie in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 Dolisie peaks around March 16 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeMar 16UV 15Jun 22UV 6
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar15Extreme
Apr13Extreme
May9Very high
Jun6High
Jul7High
Aug7Very high
Sep11Extreme
Oct14Extreme
Nov11Extreme
Dec10Extreme

Air quality in Dolisie in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Dolisie is worst in July — around 48 µg/m³ PM2.5 (poor), about 2.3× the cleanest month (October, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateJul 1547 µg/m³Oct 2421 µg/m³
PM2.5 (µg/m³)Level
Jan25Moderate
Feb28Moderate
Mar25Moderate
Apr25Moderate
May33Moderate
Jun41Poor
Jul48Poor
Aug39Poor
Sep29Moderate
Oct21Moderate
Nov21Moderate
Dec24Moderate
Location & terrain

Where is Dolisie?

Dolisie sits at 4.2°S, 12.7°E, 332 m above sea level, in Republic of the Congo. The nearest listed city is Loudima, 45 km away.

Buco ZauNkayiKayesTshelaSibitiLoandjili

Topography around Dolisie

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

Within 3 km, the terrain around Dolisie has only modest variations in elevation — a maximum elevation change of 116 m around an average of 338 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 573 m; within 80 km, large variations in elevation — a maximum elevation change of 874 m.

The land around Dolisie is covered by grassland (45%) and artificial surfaces (33%) within 3 km, grassland (59%) and trees (37%) within 16 km, and trees (60%) and grassland (38%) within 80 km.

3 km
116 m
16 km
573 m
80 km
874 m
treesshrubsgrasslandartificial surfaces
May weather nearby: Loudima 45 km · Belize 51 km · Buco Zau 65 km · Nkayi 69 km · Kayes 69 km · Tshela 94 km · Sibiti 95 km · Loandjili 109 km

Republic of the Congo travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
230 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$2,515
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
46%
of population, 2021
Road deaths
29.7
per 100k/yr, 2019
Income group
Lower middle
World Bank
Religion
Roman Catholic 33%Awakening Churches/Christian Revival 22%Protestant 20%none 11%

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 Dolisie (-4.1983°, 12.6666°, elevation 332 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).