Harrismith weather in April

In April, Harrismith sees average daytime highs of 21°C and overnight lows near 10°C, with 47 mm of rain across 7.7 wet days and about 11.3 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 20°C by the end. The sky is clear or mostly clear about 56% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 42 min at the start of April to 11 hours by month's end. Set against the rest of the year, April is Harrismith's 6th-clearest and 10th-windiest month. For the whole year in context, see Harrismith's year-round climate.

Daytime high: 21°; 8th warmest
Overnight low: 10°; 6th coldest
Rainfall: 47 mm; 7.7 wet days
Daylight: 11 h 18 min; 6:24 AM – 5:43 PM
Cloud cover: 40%; 6th clearest
Wind: 10 km/h; 10th windiest
Solar energy: 4.7 kWh/m²
Travel score: 7.2; out of 10

Harrismith is town in the Free State, South Africa.

Founded: 1849

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

← March Harrismith year-round climate May →Best places to visit in April

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

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 22°C in the first days to 20°C by the end.

A typical April day in Harrismith reaches about 21°C in the afternoon and slips back to 10°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 25°C. Set against its neighbours, April runs about 2°C cooler than March and about 2°C warmer than May.

	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
Avg high (°C)	22	22	22	22	22	22	22	22	22	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	20	20	20	20	20
Avg low (°C)	11	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

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

How April really feels in Harrismith

Once humidity and wind are folded in, April averages 0 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

April sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Harrismith weather by month

How April compares with the rest of the year at a glance. April is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	25° / 14°	171	19.5	0	13.6	5.5
Feb	24° / 14°	126	15	0	13	6.0
Mar	23° / 13°	99	13.9	0	12.2	6.5
Apr	21° / 10°	47	7.7	0	11.3	7.2
May	19° / 6°	18	3	0.1	10.6	7.8
Jun	17° / 3°	10	1.9	0.1	10.2	7.1
Jul	17° / 3°	11	1.5	0.5	10.4	7.2
Aug	19° / 5°	23	3.9	0.3	11	7.7
Sep	22° / 8°	32	5	0.3	11.8	8.0
Oct	23° / 10°	90	12.3	0	12.7	6.7
Nov	24° / 12°	125	15.4	0	13.4	6.1
Dec	24° / 13°	173	18.8	0	13.8	5.6

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 56% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 16% of April, with mostly cloudy or overcast conditions the remaining 28%. 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
Clearer (%)	67	67	67	67	67	67	68	67	67	68	68	69	70	71	71	72	72	74	74	75	75	77	77	77	77	78	78	78	79	79
Cloudier (%)	33	33	33	33	33	33	32	33	33	32	32	31	30	29	29	28	28	26	26	25	25	23	23	23	23	22	22	22	21	21

	Clearer (%)	Cloudier (%)
1	67	33
2	67	33
3	67	33
4	67	33
5	67	33
6	67	33
7	68	32
8	67	33
9	67	33
10	68	32
11	68	32
12	69	31
13	70	30
14	71	29
15	71	29
16	72	28
17	72	28
18	74	26
19	74	26
20	75	25
21	75	25
22	77	23
23	77	23
24	77	23
25	77	23
26	78	22
27	78	22
28	78	22
29	79	21
30	79	21

Chance of precipitation in April

Any precipitation

Harrismith gets around 47 mm of rain over 7.7 wet days in April. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 26% and peaks near 34% 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
Rain chance (%)	34	33	32	32	31	31	30	30	29	29	29	29	28	28	28	27	26	26	25	24	23	23	22	21	20	20	19	18	17	16

	Rain chance (%)
1	34
2	33
3	32
4	32
5	31
6	31
7	30
8	30
9	29
10	29
11	29
12	29
13	28
14	28
15	28
16	27
17	26
18	26
19	25
20	24
21	23
22	23
23	22
24	21
25	20
26	20
27	19
28	18
29	17
30	16

Humidity in April

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, April lands in the dry band about 97% 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
Dry (%)	87	88	90	91	92	93	94	95	96	96	97	97	97	98	98	98	98	99	99	99	99	99	99	100	100	100	100	100	100	100
Comfortable (%)	13	12	10	9	8	7	6	5	4	4	3	3	3	2	2	2	2	1	1	1	1	1	1	0	0	0	0	0	0	0

	Dry (%)	Comfortable (%)
1	87	13
2	88	12
3	90	10
4	91	9
5	92	8
6	93	7
7	94	6
8	95	5
9	96	4
10	96	4
11	97	3
12	97	3
13	97	3
14	98	2
15	98	2
16	98	2
17	98	2
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

Wind in April

Winds average 10 km/h in April.

Across April, 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.

	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
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	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

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

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 42 min at the start of April to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 6:16 AM to 6:32 AM, and sunset from 6:01 PM to 5:30 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
Daylight (h)	11.7	11.7	11.7	11.7	11.6	11.6	11.6	11.5	11.5	11.5	11.5	11.4	11.4	11.4	11.4	11.3	11.3	11.3	11.2	11.2	11.2	11.2	11.1	11.1	11.1	11.1	11.0	11.0	11.0	11.0
Sunrise (AM)	6:16	6:16	6:17	6:17	6:18	6:18	6:19	6:20	6:20	6:21	6:21	6:22	6:22	6:23	6:23	6:24	6:25	6:25	6:26	6:26	6:27	6:27	6:28	6:29	6:29	6:30	6:30	6:31	6:31	6:32
Sunset (PM)	6:01	5:59	5:58	5:57	5:56	5:55	5:54	5:52	5:51	5:50	5:49	5:48	5:47	5:46	5:45	5:43	5:42	5:41	5:40	5:39	5:38	5:37	5:36	5:35	5:34	5:33	5:32	5:31	5:30	5:30

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	11.7	6:16	6:01
2	11.7	6:16	5:59
3	11.7	6:17	5:58
4	11.7	6:17	5:57
5	11.6	6:18	5:56
6	11.6	6:18	5:55
7	11.6	6:19	5:54
8	11.5	6:20	5:52
9	11.5	6:20	5:51
10	11.5	6:21	5:50
11	11.5	6:21	5:49
12	11.4	6:22	5:48
13	11.4	6:22	5:47
14	11.4	6:23	5:46
15	11.4	6:23	5:45
16	11.3	6:24	5:43
17	11.3	6:25	5:42
18	11.3	6:25	5:41
19	11.2	6:26	5:40
20	11.2	6:26	5:39
21	11.2	6:27	5:38
22	11.2	6:27	5:37
23	11.1	6:28	5:36
24	11.1	6:29	5:35
25	11.1	6:29	5:34
26	11.1	6:30	5:33
27	11.0	6:30	5:32
28	11.0	6:31	5:31
29	11.0	6:31	5:30
30	11.0	6:32	5:30

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.7 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.74 kWh/m² in December across the year — April's 4.7 kWh/m² falls in the middle.

	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
Solar energy (kWh/m²)	5.0	5.0	5.0	5.0	4.9	4.9	4.9	4.9	4.8	4.8	4.8	4.8	4.8	4.7	4.7	4.7	4.7	4.7	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.4
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.0	Bright
2	5.0	Bright
3	5.0	Bright
4	5.0	Bright
5	4.9	Bright
6	4.9	Bright
7	4.9	Bright
8	4.9	Bright
9	4.8	Bright
10	4.8	Bright
11	4.8	Bright
12	4.8	Bright
13	4.8	Bright
14	4.7	Bright
15	4.7	Bright
16	4.7	Bright
17	4.7	Bright
18	4.7	Bright
19	4.6	Bright
20	4.6	Bright
21	4.6	Bright
22	4.5	Bright
23	4.5	Bright
24	4.5	Bright
25	4.5	Bright
26	4.5	Bright
27	4.4	Bright
28	4.4	Bright
29	4.4	Bright
30	4.4	Bright

Planning a trip in April

Hazard calendar for Harrismith

In seasonPeak

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

Harrismith'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 April a good time to visit Harrismith?

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

7.2

Sightseeing

4th-best month of the year

4.4

Beach & pool

8th-best month of the year

April is one of the better times to visit Harrismith for general sightseeing.

What to pack for Harrismith in April

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

In April, Harrismith sees daytime highs around 21°C and nights near 10°C. Worth packing: sun protection. About 8 days see rain.

sun protection

UV index in Harrismith in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Harrismith peaks around January 14 at about 15 (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	8	6	5	5	6	8	10	12	14
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	8	Very high
May	6	High
Jun	5	Moderate
Jul	5	Moderate
Aug	6	High
Sep	8	Very high
Oct	10	Very high
Nov	12	Extreme
Dec	14	Extreme

Air quality in Harrismith in April

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Harrismith is worst in September — around 42 µg/m³ PM2.5 (poor), about 5.1× the cleanest month (January, 8 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)	8	11	13	16	20	26	34	35	42	25	10	8
Level	Good	Good	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Poor	Moderate	Good	Good

	PM2.5 (µg/m³)	Level
Jan	8	Good
Feb	11	Good
Mar	13	Moderate
Apr	16	Moderate
May	20	Moderate
Jun	26	Moderate
Jul	34	Moderate
Aug	35	Moderate
Sep	42	Poor
Oct	25	Moderate
Nov	10	Good
Dec	8	Good

Location & terrain

Where is Harrismith?

Harrismith sits at 28.3°S, 29.1°E, 1,643 m above sea level, in South Africa. The nearest listed city is Tshiame, 15 km away.

Topography around Harrismith

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

Within 3 km, the terrain around Harrismith has significant variations in elevation — a maximum elevation change of 282 m around an average of 1,663 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 802 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,391 m.

The land around Harrismith is covered by grassland (67%) within 3 km, grassland (73%) and cropland (22%) within 16 km, and grassland (73%) and cropland (22%) within 80 km.

3 km

282 m

grassland 67%

16 km

802 m

grassland 73%

80 km

2,391 m

grassland 73%

treesshrubsgrasslandcroplandartificial surfaceswater

← March Harrismith year-round climate May →Best places to visit in April

April weather nearby: Tshiame 15 km · Phuthaditjhaba 42 km · Ladysmith 71 km · Bethlehem 81 km · Reitz 87 km · Vrede 94 km · Newcastle 97 km · Fouriesburg 98 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 Harrismith (-28.2728°, 29.1295°, elevation 1,643 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	22	11
2	22	11
3	22	11
4	22	11
5	22	11
6	22	11
7	22	11
8	22	10
9	22	10
10	21	10
11	21	10
12	21	10
13	21	10
14	21	10
15	21	10
16	21	10
17	21	9
18	21	9
19	21	9
20	21	9
21	21	9
22	21	9
23	21	9
24	21	9
25	21	9
26	20	8
27	20	8
28	20	8
29	20	8
30	20	8

	Clearer (%)	Cloudier (%)
1	67	33
2	67	33
3	67	33
4	67	33
5	67	33
6	67	33
7	68	32
8	67	33
9	67	33
10	68	32
11	68	32
12	69	31
13	70	30
14	71	29
15	71	29
16	72	28
17	72	28
18	74	26
19	74	26
20	75	25
21	75	25
22	77	23
23	77	23
24	77	23
25	77	23
26	78	22
27	78	22
28	78	22
29	79	21
30	79	21

	Rain chance (%)
1	34
2	33
3	32
4	32
5	31
6	31
7	30
8	30
9	29
10	29
11	29
12	29
13	28
14	28
15	28
16	27
17	26
18	26
19	25
20	24
21	23
22	23
23	22
24	21
25	20
26	20
27	19
28	18
29	17
30	16

	Dry (%)	Comfortable (%)
1	87	13
2	88	12
3	90	10
4	91	9
5	92	8
6	93	7
7	94	6
8	95	5
9	96	4
10	96	4
11	97	3
12	97	3
13	97	3
14	98	2
15	98	2
16	98	2
17	98	2
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

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

	Clearer (%)	Cloudier (%)
1	67	33
2	67	33
3	67	33
4	67	33
5	67	33
6	67	33
7	68	32
8	67	33
9	67	33
10	68	32
11	68	32
12	69	31
13	70	30
14	71	29
15	71	29
16	72	28
17	72	28
18	74	26
19	74	26
20	75	25
21	75	25
22	77	23
23	77	23
24	77	23
25	77	23
26	78	22
27	78	22
28	78	22
29	79	21
30	79	21

	Rain chance (%)
1	34
2	33
3	32
4	32
5	31
6	31
7	30
8	30
9	29
10	29
11	29
12	29
13	28
14	28
15	28
16	27
17	26
18	26
19	25
20	24
21	23
22	23
23	22
24	21
25	20
26	20
27	19
28	18
29	17
30	16

	Dry (%)	Comfortable (%)
1	87	13
2	88	12
3	90	10
4	91	9
5	92	8
6	93	7
7	94	6
8	95	5
9	96	4
10	96	4
11	97	3
12	97	3
13	97	3
14	98	2
15	98	2
16	98	2
17	98	2
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0

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

	Clearer (%)	Cloudier (%)
1	67	33
2	67	33
3	67	33
4	67	33
5	67	33
6	67	33
7	68	32
8	67	33
9	67	33
10	68	32
11	68	32
12	69	31
13	70	30
14	71	29
15	71	29
16	72	28
17	72	28
18	74	26
19	74	26
20	75	25
21	75	25
22	77	23
23	77	23
24	77	23
25	77	23
26	78	22
27	78	22
28	78	22
29	79	21
30	79	21

	Rain chance (%)
1	34
2	33
3	32
4	32
5	31
6	31
7	30
8	30
9	29
10	29
11	29
12	29
13	28
14	28
15	28
16	27
17	26
18	26
19	25
20	24
21	23
22	23
23	22
24	21
25	20
26	20
27	19
28	18
29	17
30	16

	Dry (%)	Comfortable (%)
1	87	13
2	88	12
3	90	10
4	91	9
5	92	8
6	93	7
7	94	6
8	95	5
9	96	4
10	96	4
11	97	3
12	97	3
13	97	3
14	98	2
15	98	2
16	98	2
17	98	2
18	99	1
19	99	1
20	99	1
21	99	1
22	99	1
23	99	1
24	100	0
25	100	0
26	100	0
27	100	0
28	100	0
29	100	0
30	100	0