Rwiimi weather in May

In May, Rwiimi sees average daytime highs of 24°C and overnight lows near 15°C, with 210 mm of rain across 23.4 wet days and about 12 hours of daylight. It is the 7th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 9% of the time in May, and the air most often feels comfortable.

Daylight stretches from about 12 hours at the start of May to 12 hours by month's end. Set against the rest of the year, May is Rwiimi's 6th-clearest and 1st-windiest month. For the whole year in context, see Rwiimi's year-round climate.

Daytime high
24°
7th warmest
Overnight low
15°
11th coldest
Rainfall
210 mm
23.4 wet days
Daylight
12 hours
6:55 AM – 6:56 PM
Cloud cover
75%
6th clearest
Wind
5 km/h
1st windiest
Solar energy
5.37 kWh/m²
Travel score
4.7
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical May day in Rwiimi reaches about 24°C in the afternoon and slips back to 15°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 26°C. Set against its neighbours, May runs on par with April and on par with June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12416
22416
32416
42416
52416
62416
72416
82416
92416
102416
112415
122415
132415
142415
152415
162415
172415
182415
192415
202515
212515
222515
232515
242515
252515
262515
272515
282515
292515
302515
312515

Rwiimi weather by month

How May compares with the rest of the year at a glance. May is the 7th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 15°7811.8126.3
Feb26° / 15°8811.6126.0
Mar25° / 15°20322.3124.7
Apr25° / 16°23925.9124.1
May24° / 15°21023.4124.7
Jun25° / 15°13815.6125.7
Jul24° / 14°9114.1126.1
Aug24° / 15°16020.5125.1
Sep25° / 15°18224124.5
Oct24° / 15°24328.1123.9
Nov23° / 15°26427.8123.8
Dec24° / 14°14118.8125.4

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 16% of May, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
11288
21288
31288
41387
51486
61486
71585
81684
91783
101882
111981
122278
132377
142476
152575
162773
172773
182971
193070
203169
213268
223268
233268
243466
253466
263466
273466
283466
293466
303367
313367

Chance of precipitation in May

Any precipitation

Rwiimi gets around 210 mm of rain over 23.4 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 75% and peaks near 88% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
188
288
388
488
588
687
787
887
986
1085
1184
1283
1382
1480
1579
1677
1776
1874
1972
2070
2169
2267
2365
2464
2562
2661
2760
2859
2958
3058
3157

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the comfortable band about 64% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)
104555
204555
304555
404654
504654
604753
704951
805149
915148
1015346
1115544
1215841
1316039
1416237
1516435
1626632
1726830
1836928
1937126
2037324
2147422
2247620
2357718
2467717
2577716
2687715
2787814
2897813
29107713
30117613
31127612

Wind in May

Winds average 5 km/h in May, the windiest month of the year.

Across May, daily wind ranges from about 5 km/h on the calmest days to 5 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
105calm
115calm
125calm
135calm
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 hours at the start of May to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over May. Sunrise moves from 6:56 AM to 6:56 AM, and sunset from 6:57 PM to 6:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:566:57
212.06:566:57
312.06:566:56
412.06:556:56
512.06:556:56
612.06:556:56
712.06:556:56
812.06:556:56
912.06:556:56
1012.06:556:56
1112.06:556:56
1212.06:556:56
1312.06:556:56
1412.06:556:56
1512.06:556:56
1612.06:556:56
1712.06:556:56
1812.06:556:56
1912.06:556:56
2012.06:556:56
2112.06:556:56
2212.06:556:56
2312.06:556:56
2412.06:556:56
2512.06:556:56
2612.06:556:56
2712.06:556:57
2812.06:566:57
2912.06:566:57
3012.06:566:57
3112.06:566:57

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.37 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 5.87 kWh/m² in February across the year — May's 5.37 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in May

Is May a good time to visit Rwiimi?

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

4.7
Sightseeing
7th-best month of the year
4.1
Beach & pool
8th-best month of the year

May is a reasonable time to visit Rwiimi for sightseeing.

What to pack for Rwiimi in May

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

In May, Rwiimi sees daytime highs around 24°C and nights near 15°C. Pack rain gear. Worth having: light clothes and sun protection. About 23 days see rain.

rain gearlight clothessun protection

UV index in Rwiimi 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 Rwiimi peaks around March 18 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 18UV 15Jun 21UV 10
UV index (midday)Level
Jan12Extreme
Feb14Extreme
Mar16Extreme
Apr14Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Rwiimi 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 Rwiimi is worst in February — around 66 µg/m³ PM2.5 (unhealthy), about 2.6× the cleanest month (April, 26 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorModeratePoorFeb 966 µg/m³Apr 2226 µg/m³
PM2.5 (µg/m³)Level
Jan64Unhealthy
Feb66Unhealthy
Mar39Poor
Apr26Moderate
May27Moderate
Jun35Poor
Jul42Poor
Aug33Moderate
Sep28Moderate
Oct26Moderate
Nov28Moderate
Dec44Poor
Location & terrain

Where is Rwiimi?

Rwiimi sits at 0.4°N, 30.2°E, 1,111 m above sea level, in Uganda. The nearest listed city is Buhesi, 23 km away.

BundibugyoNyahukaRwamwanja Refugee CampKasozi

Topography around Rwiimi

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

Within 3 km, the terrain around Rwiimi has significant variations in elevation — a maximum elevation change of 251 m around an average of 1,104 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,206 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,373 m.

The land around Rwiimi is covered by trees (40%) and cropland (30%) within 3 km, trees (59%) within 16 km, and trees (59%) and grassland (27%) within 80 km.

3 km
251 m
16 km
1,206 m
80 km
4,373 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Buhesi 23 km · Kasese 27 km · Fort Portal 32 km · Kamwenge 33 km · Bundibugyo 41 km · Nyahuka 42 km · Rwamwanja Refugee Camp 47 km · Kasozi 50 km

Uganda travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type G
240 V · 50 Hz
Prices
≈ 35% of US
price level, 2025
GDP per capita
$1,206
2025
Happiness
4.5 / 10
World Happiness, 2025
Safe drinking water
18%
of population, 2024
Homicide rate
9
per 100k, 2023
Road deaths
29.4
per 100k/yr, 2019
Income group
Low
World Bank
English
Moderate
EF EPI 518
Religion
Protestant 45%Roman Catholic 39%Muslim 14%other 2%

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 Rwiimi (0.3796°, 30.2304°, elevation 1,111 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).