Mondlo weather in May

In May, Mondlo sees average daytime highs of 23°C and overnight lows near 9°C, with 15 mm of rain across 3 wet days and about 10.6 hours of daylight. It is the 9th-warmest and 10th-wettest month of the year here.

Highs ease over the month, from about 24°C in the first days to 22°C by the end. The sky is clear or mostly clear about 72% of the time in May, and the air most often feels dry.

Daylight stretches from about 10 h 54 min at the start of May to 10 h 24 min by month's end. Set against the rest of the year, May is Mondlo's 3rd-clearest and 9th-windiest month. For the whole year in context, see Mondlo's year-round climate.

Daytime high: 23°; 9th warmest
Overnight low: 9°; 4th coldest
Rainfall: 15 mm; 3 wet days
Daylight: 10 h 36 min; 6:35 AM – 5:12 PM
Cloud cover: 26%; 3rd clearest
Wind: 9 km/h; 9th windiest
Solar energy: 3.97 kWh/m²
Travel score: 8.6; out of 10

Mondlo is human settlement in South Africa.

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

← April Mondlo year-round climate June →Best places to visit in May

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 24°C in the first days to 22°C by the end.

A typical May day in Mondlo reaches about 23°C in the afternoon and slips back to 9°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Avg high (°C)	24	24	24	24	24	24	24	24	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	22	22	22	22	22	22	22
Avg low (°C)	11	11	11	11	11	11	10	10	10	10	10	10	10	10	10	9	9	9	9	9	9	9	9	9	8	8	8	8	8	8	8

	Avg high (°C)	Avg low (°C)
1	24	11
2	24	11
3	24	11
4	24	11
5	24	11
6	24	11
7	24	10
8	24	10
9	23	10
10	23	10
11	23	10
12	23	10
13	23	10
14	23	10
15	23	10
16	23	9
17	23	9
18	23	9
19	23	9
20	23	9
21	23	9
22	23	9
23	23	9
24	23	9
25	22	8
26	22	8
27	22	8
28	22	8
29	22	8
30	22	8
31	22	8

Mondlo weather by month

How May compares with the rest of the year at a glance. May is the 9th-warmest and 10th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	27° / 17°	106	15.3	13.6	5.7
Feb	27° / 17°	89	12.3	13	6.0
Mar	26° / 15°	79	11.1	12.2	6.6
Apr	25° / 13°	39	6.9	11.4	7.7
May	23° / 9°	15	3	10.6	8.6
Jun	21° / 7°	11	1.7	10.3	8.5
Jul	21° / 6°	14	1.8	10.4	8.4
Aug	23° / 9°	20	3.5	11	8.5
Sep	25° / 11°	34	6.1	11.8	7.8
Oct	25° / 13°	77	12.1	12.7	6.6
Nov	26° / 14°	109	15.6	13.4	5.7
Dec	27° / 16°	120	16.3	13.7	5.5

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 72% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 17%. Skies tend to open up as the month goes on.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Clearer (%)	79	80	81	81	82	82	83	83	84	83	83	83	83	83	83	83	83	82	82	82	82	83	84	84	84	85	85	85	86	86	87
Cloudier (%)	21	20	19	19	18	18	17	17	16	17	17	17	17	17	17	17	17	18	18	18	18	17	16	16	16	15	15	15	14	14	13

	Clearer (%)	Cloudier (%)
1	79	21
2	80	20
3	81	19
4	81	19
5	82	18
6	82	18
7	83	17
8	83	17
9	84	16
10	83	17
11	83	17
12	83	17
13	83	17
14	83	17
15	83	17
16	83	17
17	83	17
18	82	18
19	82	18
20	82	18
21	82	18
22	83	17
23	84	16
24	84	16
25	84	16
26	85	15
27	85	15
28	85	15
29	86	14
30	86	14
31	87	13

Chance of precipitation in May

Any precipitation

Mondlo gets around 15 mm of rain over 3 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 10% and peaks near 16% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Rain chance (%)	16	15	15	14	14	14	13	13	13	12	12	11	11	10	10	9	9	8	8	8	7	7	7	6	6	6	6	6	6	6	6

	Rain chance (%)
1	16
2	15
3	15
4	14
5	14
6	14
7	13
8	13
9	13
10	12
11	12
12	11
13	11
14	10
15	10
16	9
17	9
18	8
19	8
20	8
21	7
22	7
23	7
24	6
25	6
26	6
27	6
28	6
29	6
30	6
31	6

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 98% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Dry (%)	91	92	93	94	95	96	96	97	97	97	97	98	98	98	98	99	99	99	99	99	99	99	100	100	100	100	100	100	100	100	100
Comfortable (%)	9	8	7	6	5	4	4	3	3	3	3	2	2	2	2	1	1	1	1	1	1	1	0	0	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	91	9
2	92	8
3	93	7
4	94	6
5	95	5
6	96	4
7	96	4
8	97	3
9	97	3
10	97	3
11	97	3
12	98	2
13	98	2
14	98	2
15	98	2
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Wind speed (km/h)	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	9	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	9	calm
2	9	calm
3	9	calm
4	9	calm
5	9	calm
6	9	calm
7	9	calm
8	9	calm
9	9	calm
10	9	calm
11	9	calm
12	9	calm
13	9	calm
14	9	calm
15	9	calm
16	9	calm
17	9	calm
18	9	calm
19	9	calm
20	9	calm
21	9	calm
22	9	calm
23	9	calm
24	9	calm
25	9	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm
31	10	calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 10 h 54 min at the start of May to 10 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over May. Sunrise moves from 6:26 AM to 6:43 AM, and sunset from 5:23 PM to 5:06 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Daylight (h)	10.9	10.9	10.9	10.9	10.9	10.8	10.8	10.8	10.8	10.7	10.7	10.7	10.7	10.7	10.6	10.6	10.6	10.6	10.6	10.5	10.5	10.5	10.5	10.5	10.5	10.4	10.4	10.4	10.4	10.4	10.4
Sunrise (AM)	6:26	6:27	6:27	6:28	6:28	6:29	6:29	6:30	6:31	6:31	6:32	6:32	6:33	6:34	6:34	6:35	6:35	6:36	6:37	6:37	6:38	6:38	6:39	6:40	6:40	6:41	6:41	6:42	6:42	6:43	6:43
Sunset (PM)	5:23	5:22	5:21	5:20	5:19	5:19	5:18	5:17	5:16	5:16	5:15	5:14	5:14	5:13	5:12	5:12	5:11	5:11	5:10	5:10	5:09	5:09	5:08	5:08	5:08	5:07	5:07	5:07	5:06	5:06	5:06

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	10.9	6:26	5:23
2	10.9	6:27	5:22
3	10.9	6:27	5:21
4	10.9	6:28	5:20
5	10.9	6:28	5:19
6	10.8	6:29	5:19
7	10.8	6:29	5:18
8	10.8	6:30	5:17
9	10.8	6:31	5:16
10	10.7	6:31	5:16
11	10.7	6:32	5:15
12	10.7	6:32	5:14
13	10.7	6:33	5:14
14	10.7	6:34	5:13
15	10.6	6:34	5:12
16	10.6	6:35	5:12
17	10.6	6:35	5:11
18	10.6	6:36	5:11
19	10.6	6:37	5:10
20	10.5	6:37	5:10
21	10.5	6:38	5:09
22	10.5	6:38	5:09
23	10.5	6:39	5:08
24	10.5	6:40	5:08
25	10.5	6:40	5:08
26	10.4	6:41	5:07
27	10.4	6:41	5:07
28	10.4	6:42	5:07
29	10.4	6:42	5:06
30	10.4	6:43	5:06
31	10.4	6:43	5:06

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.97 kWh/m².

For context, solar energy here swings from a low near 3.56 kWh/m² to a high of 6.06 kWh/m² in December across the year — May's 3.97 kWh/m² sits near the bottom.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31
Solar energy (kWh/m²)	4.2	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.1	4.0	4.0	4.0	4.0	4.0	4.0	4.0	4.0	3.9	3.9	3.9	3.9	3.9	3.9	3.8	3.8	3.8	3.8	3.8	3.8	3.8	3.7
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	Solar energy (kWh/m²)	Level
1	4.2	Bright
2	4.1	Bright
3	4.1	Bright
4	4.1	Bright
5	4.1	Bright
6	4.1	Bright
7	4.1	Bright
8	4.1	Bright
9	4.1	Bright
10	4.0	Bright
11	4.0	Bright
12	4.0	Bright
13	4.0	Bright
14	4.0	Moderate
15	4.0	Moderate
16	4.0	Moderate
17	4.0	Moderate
18	3.9	Moderate
19	3.9	Moderate
20	3.9	Moderate
21	3.9	Moderate
22	3.9	Moderate
23	3.9	Moderate
24	3.8	Moderate
25	3.8	Moderate
26	3.8	Moderate
27	3.8	Moderate
28	3.8	Moderate
29	3.8	Moderate
30	3.8	Moderate
31	3.7	Moderate

Planning a trip in May

Hazard calendar for Mondlo

In seasonPeak

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

Mondlo's rainy season runs October–March, 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 Mondlo?

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

8.6

Sightseeing

1st-best month of the year

6.5

Beach & pool

3rd-best month of the year

May is one of the better times to visit Mondlo for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mondlo in May

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

In May, Mondlo sees daytime highs around 23°C and nights near 9°C. Worth packing: light clothes. About 3 days see rain.

light clothes

UV index in Mondlo in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mondlo peaks around January 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 5 (moderate).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	15	13	11	7	6	5	5	7	8	9	11	13
Level	Extreme	Extreme	Extreme	Very high	High	Moderate	Moderate	High	Very high	Very high	Extreme	Extreme

	UV index (midday)	Level
Jan	15	Extreme
Feb	13	Extreme
Mar	11	Extreme
Apr	7	Very high
May	6	High
Jun	5	Moderate
Jul	5	Moderate
Aug	7	High
Sep	8	Very high
Oct	9	Very high
Nov	11	Extreme
Dec	13	Extreme

Air quality in Mondlo 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 Mondlo is worst in July — around 42 µg/m³ PM2.5 (poor), about 3.6× the cleanest month (January, 12 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	12	14	18	22	37	34	42	40	41	23	23	13
Level	Good	Moderate	Moderate	Moderate	Poor	Moderate	Poor	Poor	Poor	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	12	Good
Feb	14	Moderate
Mar	18	Moderate
Apr	22	Moderate
May	37	Poor
Jun	34	Moderate
Jul	42	Poor
Aug	40	Poor
Sep	41	Poor
Oct	23	Moderate
Nov	23	Moderate
Dec	13	Moderate

Location & terrain

Where is Mondlo?

Mondlo sits at 28.0°S, 30.7°E, 1,155 m above sea level, in South Africa. The nearest listed city is Vryheid, 25 km away.

Topography around Mondlo

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

Within 3 km, the terrain around Mondlo has significant variations in elevation — a maximum elevation change of 280 m around an average of 1,155 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 577 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,012 m.

The land around Mondlo is covered by grassland (73%) and artificial surfaces (21%) within 3 km, grassland (85%) within 16 km, and grassland (69%) within 80 km.

3 km

280 m

grassland 73%

16 km

577 m

grassland 85%

80 km

2,012 m

grassland 69%

treesshrubsgrasslandcroplandartificial surfacesbare terrainwater

← April Mondlo year-round climate June →Best places to visit in May

May weather nearby: Vryheid 25 km · Dundee 52 km · Glencoe 60 km · Frischgewaagd 70 km · Ulundi 79 km · Newcastle 81 km · Volksrust 107 km · Piet Retief 109 km

South Africa travel facts

Travel advisory: Level 2; Exercise Increased Caution
Power plugs: Type C / M / N; 230 V · 50 Hz
Prices: ≈ 41% of US; price level, 2025
GDP per capita: $6,598; 2025
Happiness: 5.0 / 10; World Happiness, 2025
Safe drinking water: 68%; of population, 2024
Homicide rate: 43.7; per 100k, 2022
Road deaths: 22.2; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Very high; EF EPI 602
Religion

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 Mondlo (-27.983°, 30.7177°, elevation 1,155 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).

	Avg high (°C)	Avg low (°C)
1	24	11
2	24	11
3	24	11
4	24	11
5	24	11
6	24	11
7	24	10
8	24	10
9	23	10
10	23	10
11	23	10
12	23	10
13	23	10
14	23	10
15	23	10
16	23	9
17	23	9
18	23	9
19	23	9
20	23	9
21	23	9
22	23	9
23	23	9
24	23	9
25	22	8
26	22	8
27	22	8
28	22	8
29	22	8
30	22	8
31	22	8

	Clearer (%)	Cloudier (%)
1	79	21
2	80	20
3	81	19
4	81	19
5	82	18
6	82	18
7	83	17
8	83	17
9	84	16
10	83	17
11	83	17
12	83	17
13	83	17
14	83	17
15	83	17
16	83	17
17	83	17
18	82	18
19	82	18
20	82	18
21	82	18
22	83	17
23	84	16
24	84	16
25	84	16
26	85	15
27	85	15
28	85	15
29	86	14
30	86	14
31	87	13

	Rain chance (%)
1	16
2	15
3	15
4	14
5	14
6	14
7	13
8	13
9	13
10	12
11	12
12	11
13	11
14	10
15	10
16	9
17	9
18	8
19	8
20	8
21	7
22	7
23	7
24	6
25	6
26	6
27	6
28	6
29	6
30	6
31	6

	Dry (%)	Comfortable (%)
1	91	9
2	92	8
3	93	7
4	94	6
5	95	5
6	96	4
7	96	4
8	97	3
9	97	3
10	97	3
11	97	3
12	98	2
13	98	2
14	98	2
15	98	2
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	24	11
2	24	11
3	24	11
4	24	11
5	24	11
6	24	11
7	24	10
8	24	10
9	23	10
10	23	10
11	23	10
12	23	10
13	23	10
14	23	10
15	23	10
16	23	9
17	23	9
18	23	9
19	23	9
20	23	9
21	23	9
22	23	9
23	23	9
24	23	9
25	22	8
26	22	8
27	22	8
28	22	8
29	22	8
30	22	8
31	22	8

	Clearer (%)	Cloudier (%)
1	79	21
2	80	20
3	81	19
4	81	19
5	82	18
6	82	18
7	83	17
8	83	17
9	84	16
10	83	17
11	83	17
12	83	17
13	83	17
14	83	17
15	83	17
16	83	17
17	83	17
18	82	18
19	82	18
20	82	18
21	82	18
22	83	17
23	84	16
24	84	16
25	84	16
26	85	15
27	85	15
28	85	15
29	86	14
30	86	14
31	87	13

	Rain chance (%)
1	16
2	15
3	15
4	14
5	14
6	14
7	13
8	13
9	13
10	12
11	12
12	11
13	11
14	10
15	10
16	9
17	9
18	8
19	8
20	8
21	7
22	7
23	7
24	6
25	6
26	6
27	6
28	6
29	6
30	6
31	6

	Dry (%)	Comfortable (%)
1	91	9
2	92	8
3	93	7
4	94	6
5	95	5
6	96	4
7	96	4
8	97	3
9	97	3
10	97	3
11	97	3
12	98	2
13	98	2
14	98	2
15	98	2
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0

	Avg high (°C)	Avg low (°C)
1	24	11
2	24	11
3	24	11
4	24	11
5	24	11
6	24	11
7	24	10
8	24	10
9	23	10
10	23	10
11	23	10
12	23	10
13	23	10
14	23	10
15	23	10
16	23	9
17	23	9
18	23	9
19	23	9
20	23	9
21	23	9
22	23	9
23	23	9
24	23	9
25	22	8
26	22	8
27	22	8
28	22	8
29	22	8
30	22	8
31	22	8

	Clearer (%)	Cloudier (%)
1	79	21
2	80	20
3	81	19
4	81	19
5	82	18
6	82	18
7	83	17
8	83	17
9	84	16
10	83	17
11	83	17
12	83	17
13	83	17
14	83	17
15	83	17
16	83	17
17	83	17
18	82	18
19	82	18
20	82	18
21	82	18
22	83	17
23	84	16
24	84	16
25	84	16
26	85	15
27	85	15
28	85	15
29	86	14
30	86	14
31	87	13

	Rain chance (%)
1	16
2	15
3	15
4	14
5	14
6	14
7	13
8	13
9	13
10	12
11	12
12	11
13	11
14	10
15	10
16	9
17	9
18	8
19	8
20	8
21	7
22	7
23	7
24	6
25	6
26	6
27	6
28	6
29	6
30	6
31	6

	Dry (%)	Comfortable (%)
1	91	9
2	92	8
3	93	7
4	94	6
5	95	5
6	96	4
7	96	4
8	97	3
9	97	3
10	97	3
11	97	3
12	98	2
13	98	2
14	98	2
15	98	2
16	99	1
17	99	1
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	100	0
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0
31	100	0