Theunissen weather in July

In July, Theunissen sees average daytime highs of 18°C and overnight lows near 2°C, with 7 mm of precipitation across 1.3 wet days and about 10.4 hours of daylight. It is the 11th-warmest and 12th-wettest month of the year here.

Day-to-day highs hold fairly steady near 18°C through the month. The sky is clear or mostly clear about 85% of the time in July, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of July to 10 h 36 min by month's end. Set against the rest of the year, July is Theunissen's 1st-clearest and 9th-windiest month. For the whole year in context, see Theunissen's year-round climate.

Daytime high
18°
11th warmest
Overnight low
1st coldest
Precipitation
7 mm
1.3 wet days
Daylight
10 h 24 min
7:08 AM – 5:29 PM
Cloud cover
14%
1st clearest
Wind
10 km/h
9th windiest
Solar energy
3.96 kWh/m²
Travel score
8.0
out of 10

Theunissen is place in Free State, South Africa.

Founded
1907

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 18°C through the month.

A typical July day in Theunissen reaches about 18°C in the afternoon and slips back to 2°C overnight — a 17°C spread between the day's warmth and the night's chill. On most days the high lands between 13°C and 22°C. Set against its neighbours, July runs on par with June and about 3°C cooler than August.

10°20°151015202531
Avg high (°C)Avg low (°C)
1181
2181
3181
4181
5181
6181
7181
8181
9181
10181
11181
12181
13181
14181
15181
16181
17181
18181
19181
20182
21192
22192
23192
24192
25192
26192
27192
28192
29192
30192
31192

How July really feels in Theunissen

Once humidity and wind are folded in, July averages 0 days that feel above 32°C and 31 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
31
wind chill below the day's low

The story in July is cold — wind chill drags the overnight "feels like" below the raw low.

Theunissen weather by month

How July compares with the rest of the year at a glance. July is the 11th-warmest and 12th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 17°9613.613.64.9
Feb29° / 17°7911.8135.4
Mar27° / 15°7510.612.26.6
Apr24° / 11°497.411.37.7
May21° / 213.310.68.2
Jun18° / 121.810.27.8
Jul18° / 71.310.48.0
Aug21° / 162.4118.5
Sep25° / 142.611.88.6
Oct27° / 12°527.812.77.2
Nov28° / 14°769.513.46.0
Dec30° / 16°8912.913.85.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 85% of the time in July, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 7% of July, with mostly cloudy or overcast conditions the remaining 8%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1919
2919
3928
4928
5928
6937
7937
8937
9946
10946
11946
12946
13946
14946
15946
16946
17946
18937
19937
20937
21937
22919
23919
24919
25919
26919
279010
289010
299010
309010
319010

Chance of precipitation in July

Any precipitation

Theunissen gets around 7 mm of rain and snow over 1.3 wet days in July, the driest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 5% and peaks near 6% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202531
Rain chance (%)
15
24
34
44
54
64
74
84
94
104
114
124
134
144
154
164
174
184
194
205
215
225
235
245
255
265
276
286
296
306
316

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100
31100

Wind in July

Winds average 10 km/h in July.

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

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 10 h 12 min at the start of July to 10 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over July. Sunrise moves from 7:10 AM to 7:01 AM, and sunset from 5:23 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.27:105:23
210.27:105:23
310.27:105:24
410.27:105:24
510.27:105:24
610.27:105:25
710.37:105:25
810.37:105:26
910.37:105:26
1010.37:105:27
1110.37:095:27
1210.37:095:28
1310.37:095:28
1410.37:095:28
1510.37:085:29
1610.47:085:29
1710.47:085:30
1810.47:075:31
1910.47:075:31
2010.47:075:32
2110.47:065:32
2210.47:065:33
2310.57:055:33
2410.57:055:34
2510.57:045:34
2610.57:045:35
2710.57:035:35
2810.67:035:36
2910.67:025:37
3010.67:025:37
3110.67:015:38

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 3.96 kWh/m².

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 7.54 kWh/m² in December across the year — July's 3.96 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.8Moderate
63.8Moderate
73.8Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.9Moderate
153.9Moderate
164.0Moderate
174.0Moderate
184.0Moderate
194.0Bright
204.0Bright
214.0Bright
224.1Bright
234.1Bright
244.1Bright
254.2Bright
264.2Bright
274.2Bright
284.2Bright
294.3Bright
304.3Bright
314.3Bright
Planning a trip in July

Hazard calendar for Theunissen

In seasonPeak

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

Theunissen'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 July a good time to visit Theunissen?

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

8.0
Sightseeing
4th-best month of the year
2.8
Beach & pool
11th-best month of the year

July is one of the better times to visit Theunissen for general sightseeing.

What to pack for Theunissen in July

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

In July, Theunissen sees daytime highs around 18°C and nights near 2°C. Worth packing: a warm layer.

a warm layer

UV index in Theunissen in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Theunissen peaks around January 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 21 at about 5 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighModerateHighVery highExtremeJan 14UV 15Jun 21UV 5
UV index (midday)Level
Jan15Extreme
Feb13Extreme
Mar11Extreme
Apr8Very high
May6High
Jun5Moderate
Jul5Moderate
Aug7High
Sep9Very high
Oct11Extreme
Nov12Extreme
Dec14Extreme

Air quality in Theunissen in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Theunissen is worst in July — around 25 µg/m³ PM2.5 (moderate), about 3.7× the cleanest month (December, 7 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1025 µg/m³Dec 187 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar13Moderate
Apr16Moderate
May21Moderate
Jun24Moderate
Jul25Moderate
Aug23Moderate
Sep22Moderate
Oct16Moderate
Nov8Good
Dec7Good
Location & terrain

Where is Theunissen?

Theunissen sits at 28.4°S, 26.7°E, 1,406 m above sea level, in South Africa. The nearest listed city is Winburg, 32 km away.

Topography around Theunissen

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

Within 3 km, the terrain around Theunissen has only modest variations in elevation — a maximum elevation change of 87 m around an average of 1,393 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 303 m; within 80 km, large variations in elevation — a maximum elevation change of 626 m.

The land around Theunissen is covered by grassland (69%) within 3 km, grassland (74%) and cropland (23%) within 16 km, and grassland (64%) and cropland (33%) within 80 km.

3 km
87 m
16 km
303 m
80 km
626 m
treesshrubsgrasslandcroplandartificial surfaceswater
July weather nearby: Winburg 32 km · Virginia 38 km · Winnie Mandela 40 km · Welkom 48 km · Bultfontein 56 km · Hennenman 58 km · Phomolong 58 km · Odendaalsrus 60 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 Theunissen (-28.411°, 26.7011°, elevation 1,406 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).