Lunsar weather in May

In May, Lunsar sees average daytime highs of 31°C and overnight lows near 24°C, with 223 mm of rain across 24.9 wet days and about 12.4 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 32°C in the first days to 30°C by the end. The sky is clear or mostly clear about 2% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of May to 12 h 30 min by month's end. Set against the rest of the year, May is Lunsar's 8th-clearest and 7th-windiest month. For the whole year in context, see Lunsar's year-round climate.

Daytime high
31°
6th warmest
Overnight low
24°
11th coldest
Rainfall
223 mm
24.9 wet days
Daylight
12 h 24 min
6:35 AM – 6:58 PM
Cloud cover
83%
8th clearest
Wind
5 km/h
7th windiest
Solar energy
4.41 kWh/m²
Travel score
2.7
out of 10

Lunsar is human settlement.

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 32°C in the first days to 30°C by the end.

A typical May day in Lunsar reaches about 31°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13324
23324
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273123
283023
293023
303023
313023

How May really feels in Lunsar

Once humidity and wind are folded in, May averages 31 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
31
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.

Lunsar weather by month

How May compares with the rest of the year at a glance. May is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°102.711.64.1
Feb35° / 23°81.911.73.2
Mar35° / 24°255.911.92.8
Apr34° / 24°6010.912.22.9
May31° / 24°22324.912.42.7
Jun30° / 23°3512912.52.8
Jul28° / 22°4823012.53.1
Aug28° / 22°54330.112.33.2
Sep29° / 22°43929.312.12.9
Oct30° / 23°26229.311.82.8
Nov30° / 22°10218.711.63.7
Dec32° / 22°215.511.54.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 9% of May, with mostly cloudy or overcast conditions the remaining 89%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12377
22179
32179
41981
51981
61882
71585
81585
91387
101387
111288
121189
131090
141090
15991
16991
17991
18892
19892
20694
21694
22694
23694
24595
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in May

Any precipitation

Lunsar gets around 223 mm of rain over 24.9 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 80% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
157
259
361
463
565
667
768
870
972
1074
1175
1277
1379
1480
1582
1683
1784
1885
1986
2087
2188
2289
2389
2490
2590
2691
2791
2892
2992
3092
3193

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 56% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
155738
245640
345442
445343
535245
635146
735047
834948
934949
1034849
1124849
1224850
1324850
1424850
1524950
1615049
1715148
1815148
1915247
2015346
2115544
2215643
2305941
2406040
2506238
2606436
2706634
2806832
2907030
3007228
3107426

Wind in May

Winds average 5 km/h in May.

Across May, 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
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 18 min at the start of May to 12 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 6:38 AM to 6:34 AM, and sunset from 6:56 PM to 7:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:386:56
212.36:386:56
312.36:386:57
412.36:376:57
512.36:376:57
612.36:376:57
712.36:366:57
812.36:366:57
912.46:366:57
1012.46:366:57
1112.46:356:57
1212.46:356:58
1312.46:356:58
1412.46:356:58
1512.46:356:58
1612.46:356:58
1712.46:346:58
1812.46:346:59
1912.46:346:59
2012.46:346:59
2112.46:346:59
2212.46:346:59
2312.46:347:00
2412.46:347:00
2512.46:347:00
2612.46:347:00
2712.46:347:01
2812.56:347:01
2912.56:347:01
3012.56:347:01
3112.56:347:01

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.41 kWh/m².

For context, solar energy here swings from a low near 3.29 kWh/m² to a high of 5.93 kWh/m² in March across the year — May's 4.41 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.8Bright
44.8Bright
54.8Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.2Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.1Bright
304.1Bright
314.1Bright
Planning a trip in May

Hazard calendar for Lunsar

In seasonPeak

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

Lunsar's monsoon runs June–October, when most of the year's rain falls.

Lunsar sees seasonal dust haze (February–April), heaviest in February.

Monsoon
Dust
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Lunsar?

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

2.7
Sightseeing
12th-best month of the year
4.2
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Lunsar.

What to pack for Lunsar in May

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

In May, Lunsar sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. About 25 days see rain.

light clothesrain gear

UV index in Lunsar in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Lunsar peaks around August 19 at about 13 (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.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 19UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr11Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Lunsar 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 Lunsar is worst in April — around 267 µg/m³ PM2.5 (very unhealthy), about 19.2× the cleanest month (August, 14 µg/m³).

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

0306090120150180210240270JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyVery unhealthyModerateUnhealthyApr 15244 µg/m³Aug 1614 µg/m³
PM2.5 (µg/m³)Level
Jan96Unhealthy
Feb97Unhealthy
Mar93Unhealthy
Apr267Very unhealthy
May55Poor
Jun25Moderate
Jul16Moderate
Aug14Moderate
Sep17Moderate
Oct24Moderate
Nov35Poor
Dec67Unhealthy
Location & terrain

Where is Lunsar?

Lunsar sits at 8.7°N, 12.5°W, 64 m above sea level, in Sierra Leone. The nearest listed city is Port Loko, 29 km away.

Port LokoMile 91MakeniWaterlooNjalaFreetownGoderichForécariah

Topography around Lunsar

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

Within 3 km, the terrain around Lunsar has only modest variations in elevation — a maximum elevation change of 114 m around an average of 62 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 146 m; within 80 km, large variations in elevation — a maximum elevation change of 885 m.

The land around Lunsar is covered by grassland (37%) and trees (34%) within 3 km, trees (47%), grassland (30%) and shrubs (21%) within 16 km, and trees (51%) and grassland (26%) within 80 km.

3 km
114 m
16 km
146 m
80 km
885 m
treesshrubsgrasslandartificial surfaceswaterwetlandmangroves
May weather nearby: Port Loko 29 km · Mile 91 43 km · Makeni 58 km · Waterloo 70 km · Njala 76 km · Freetown 80 km · Goderich 87 km · Forécariah 103 km

Sierra Leone travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type D / G
230 V · 50 Hz
Prices
≈ 24% of US
price level, 2025
GDP per capita
$846
2025
Happiness
3.3 / 10
World Happiness, 2025
Safe drinking water
11%
of population, 2024
Homicide rate
2.2
per 100k, 2020
Road deaths
33
per 100k/yr, 2019
Income group
Low
World Bank
Religion
Muslim 77%Christian 23%

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 Lunsar (8.6844°, -12.535°, elevation 64 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).