Hammanskraal weather in May

In May, Hammanskraal sees average daytime highs of 24°C and overnight lows near 10°C, with 15 mm of rain across 2.3 wet days and about 10.8 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 22°C by the end. The sky is clear or mostly clear about 79% of the time in May, and the air most often feels dry.

Daylight stretches from about 11 h 06 min at the start of May to 10 h 30 min by month's end. Set against the rest of the year, May is Hammanskraal's 4th-clearest and 11th-windiest month. For the whole year in context, see Hammanskraal's year-round climate.

Daytime high
24°
10th warmest
Overnight low
10°
4th coldest
Rainfall
15 mm
2.3 wet days
Daylight
10 h 48 min
6:40 AM – 5:26 PM
Cloud cover
20%
4th clearest
Wind
9 km/h
11th windiest
Solar energy
4.37 kWh/m²
Travel score
8.9
out of 10

Hammanskraal is town in Gauteng, South Africa.

Density
14,862/km²
people per km²

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 25°C in the first days to 22°C by the end.

A typical May day in Hammanskraal reaches about 24°C in the afternoon and slips back to 10°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and about 3°C warmer than June.

10°20°30°151015202531
Avg high (°C)Avg low (°C)
12512
22512
32512
42512
52511
62411
72411
82411
92411
102411
112411
122410
132410
142410
152410
162410
172310
182310
19239
20239
21239
22239
23239
24239
25239
26238
27228
28228
29228
30228
31228

Hammanskraal weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°9714.513.44.9
Feb29° / 19°8310.912.95.3
Mar28° / 17°779.512.26.5
Apr26° / 14°355.611.47.8
May24° / 10°152.310.88.9
Jun21° / 6110.48.7
Jul21° / 30.610.68.8
Aug24° / 51.111.19.2
Sep28° / 14°15211.88.0
Oct29° / 16°578.112.66.2
Nov29° / 17°8511.813.25.5
Dec29° / 18°10414.513.65.1

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 79% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 11%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18515
28515
38614
48614
58713
68812
78812
88911
98911
109010
119010
129010
139010
149010
158911
168911
178911
188911
198911
208911
218911
228911
238911
248911
259010
269010
279010
289010
299010
309010
319010

Chance of precipitation in May

Any precipitation

Hammanskraal gets around 15 mm of rain over 2.3 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 7% and peaks near 14% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
114
213
312
412
511
611
710
810
99
108
118
127
137
146
156
166
176
186
196
205
215
225
235
245
255
265
275
285
294
304
314

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.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1928
2937
3946
4946
5955
6964
7964
8973
9973
10982
11982
12982
13991
14991
15991
16991
17991
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

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 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 06 min at the start of May to 10 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over May. Sunrise moves from 6:32 AM to 6:48 AM, and sunset from 5:36 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:325:36
211.06:335:35
311.06:335:34
411.06:345:34
511.06:345:33
611.06:355:32
710.96:355:31
810.96:365:31
910.96:365:30
1010.96:375:29
1110.96:385:29
1210.86:385:28
1310.86:395:28
1410.86:395:27
1510.86:405:27
1610.86:405:26
1710.76:415:26
1810.76:415:25
1910.76:425:25
2010.76:425:24
2110.76:435:24
2210.76:435:23
2310.76:445:23
2410.66:445:23
2510.66:455:22
2610.66:455:22
2710.66:465:22
2810.66:465:21
2910.66:475:21
3010.66:475:21
3110.56:485:21

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.37 kWh/m².

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 6.68 kWh/m² in December across the year — May's 4.37 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.4Bright
134.4Bright
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.3Bright
194.3Bright
204.3Bright
214.3Bright
224.3Bright
234.3Bright
244.2Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
314.1Bright
Planning a trip in May

Hazard calendar for Hammanskraal

In seasonPeak

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

Hammanskraal'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 Hammanskraal?

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

8.9
Sightseeing
2nd-best month of the year
7.1
Beach & pool
6th-best month of the year

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

What to pack for Hammanskraal in May

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

In May, Hammanskraal sees daytime highs around 24°C and nights near 10°C. Worth packing: light clothes.

light clothes

UV index in Hammanskraal 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 Hammanskraal peaks around January 1 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 17 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 1UV 14Jun 17UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr8Very high
May6High
Jun5High
Jul6High
Aug7Very high
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Hammanskraal 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 Hammanskraal is worst in July — around 188 µg/m³ PM2.5 (very unhealthy), about 6.6× the cleanest month (January, 29 µg/m³).

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

0306090120150180210JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorUnhealthyVery unhealthyUnhealthyPoorJul 10187 µg/m³Jan 1229 µg/m³
PM2.5 (µg/m³)Level
Jan29Moderate
Feb43Poor
Mar67Unhealthy
Apr114Unhealthy
May169Very unhealthy
Jun185Very unhealthy
Jul188Very unhealthy
Aug142Unhealthy
Sep108Unhealthy
Oct62Unhealthy
Nov43Poor
Dec32Moderate
Location & terrain

Where is Hammanskraal?

Hammanskraal sits at 25.4°S, 28.3°E, 1,110 m above sea level, in South Africa. The nearest listed city is Soshanguve, 20 km away.

Topography around Hammanskraal

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

Within 3 km, the terrain around Hammanskraal has only modest variations in elevation — a maximum elevation change of 76 m around an average of 1,102 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, large variations in elevation — a maximum elevation change of 809 m.

The land around Hammanskraal is covered by grassland (40%) and artificial surfaces (34%) within 3 km, grassland (46%) and shrubs (29%) within 16 km, and grassland (42%) and shrubs (31%) within 80 km.

3 km
76 m
16 km
231 m
80 km
809 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Soshanguve 20 km · Mabopane 25 km · Moloto South 37 km · Ga-Rankuwa 37 km · Cullinan 38 km · Pretoria 39 km · Letlhabile 46 km · Centurion 51 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
Christian 86%or other traditional African religions 5%nothing in particular 5%Muslim 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 Hammanskraal (-25.4089°, 28.287°, elevation 1,110 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).