Northam weather in April

In April, Northam sees average daytime highs of 26°C and overnight lows near 15°C, with 36 mm of rain across 5.2 wet days and about 11.4 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 65% of the time in April, and the air most often feels dry.

Daylight stretches from about 11 h 48 min at the start of April to 11 h 06 min by month's end. Set against the rest of the year, April is Northam's 6th-clearest and 11th-windiest month. For the whole year in context, see Northam's year-round climate.

Daytime high
26°
8th warmest
Overnight low
15°
6th coldest
Rainfall
36 mm
5.2 wet days
Daylight
11 h 24 min
6:29 AM – 5:54 PM
Cloud cover
35%
6th clearest
Wind
6 km/h
11th windiest
Solar energy
4.86 kWh/m²
Travel score
7.8
out of 10

Temperature in April

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 26°C through the month.

A typical April day in Northam reaches about 26°C in the afternoon and slips back to 15°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°C. Set against its neighbours, April runs about 2°C cooler than March and about 2°C warmer than May.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12717
22717
32717
42716
52716
62716
72716
82716
92716
102716
112715
122615
132615
142615
152615
162615
172615
182614
192614
202614
212614
222614
232614
242614
252614
262613
272613
282613
292613
302613

Northam 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.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°9912.313.44.8
Feb30° / 20°869.812.95.1
Mar29° / 18°738.812.26.2
Apr26° / 15°365.211.47.8
May24° / 10°152.110.89.0
Jun22° / 60.810.58.9
Jul21° / 30.610.68.9
Aug25° / 10°30.611.19.3
Sep29° / 14°121.911.87.5
Oct30° / 17°416.812.65.6
Nov30° / 19°7710.713.24.8
Dec30° / 20°10413.413.54.7

Cloud cover in April

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 65% of the time in April.

Beyond those clear spells, partly cloudy skies cover about 15% of April, with mostly cloudy or overcast conditions the remaining 20%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17327
27327
37426
47426
57426
67525
77525
87624
97723
107723
117822
127921
137921
148020
158119
168119
178218
188218
198317
208317
218317
228317
238317
248317
258317
268317
278416
288416
298515
308614

Chance of precipitation in April

Any precipitation

Northam gets around 36 mm of rain over 5.2 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 18% and peaks near 25% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
125
224
324
423
523
622
721
821
920
1020
1119
1219
1318
1418
1518
1617
1717
1816
1916
2015
2115
2215
2315
2415
2514
2614
2714
2813
2913
3012

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 57% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
13041254
23241243
33441223
43641203
53841182
64041172
74241152
84441132
94640121
104840111
11513991
12523981
13543871
14553771
15583660
16583660
17613450
18623350
19643240
20653140
21682930
22692830
23712630
24722530
25752320
26762220
27782020
28791920
29821710
30831610

Wind in April

Winds average 6 km/h in April.

Across April, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in April

DaylightNight

Daylight runs from about 11 h 48 min at the start of April to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over April. Sunrise moves from 6:22 AM to 6:35 AM, and sunset from 6:09 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.86:226:09
211.86:236:08
311.76:236:07
411.76:236:06
511.76:246:05
611.76:246:04
711.66:256:03
811.66:256:02
911.66:266:01
1011.66:266:00
1111.56:265:59
1211.56:275:58
1311.56:275:57
1411.56:285:56
1511.46:285:55
1611.46:295:54
1711.46:295:53
1811.46:305:52
1911.36:305:51
2011.36:315:50
2111.36:315:49
2211.36:315:48
2311.36:325:47
2411.26:325:46
2511.26:335:45
2611.26:335:45
2711.26:345:44
2811.16:345:43
2911.16:355:42
3011.16:355:41

Solar energy in April

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in April, about 4.86 kWh/m².

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 6.73 kWh/m² in December across the year — April's 4.86 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in April

Hazard calendar for Northam

In seasonPeak

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

Northam's rainy season runs November–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 Northam?

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

7.8
Sightseeing
5th-best month of the year
7.5
Beach & pool
4th-best month of the year

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

What to pack for Northam in April

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

In April, Northam sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes and sun protection. About 5 days see rain.

light clothessun protection

UV index in Northam in April

LowModerateHighVery highExtreme

Clear-sky midday UV in April peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Northam peaks around January 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 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 13UV 14Jun 16UV 5
UV index (midday)Level
Jan14Extreme
Feb13Extreme
Mar12Extreme
Apr9Very high
May6High
Jun5Moderate
Jul6High
Aug7Very high
Sep9Very high
Oct10Extreme
Nov12Extreme
Dec14Extreme

Air quality in Northam 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 Northam is worst in July — around 35 µg/m³ PM2.5 (poor), about 4.5× the cleanest month (December, 8 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1135 µg/m³Dec 208 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb12Moderate
Mar15Moderate
Apr22Moderate
May31Moderate
Jun34Moderate
Jul35Poor
Aug29Moderate
Sep30Moderate
Oct18Moderate
Nov10Good
Dec8Good
Location & terrain

Where is Northam?

Northam sits at 25.0°S, 27.3°E, 1,016 m above sea level, in South Africa. The nearest listed city is Amandelbult, 16 km away.

Topography around Northam

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

Within 3 km, the terrain around Northam has only modest variations in elevation — a maximum elevation change of 40 m around an average of 1,010 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 342 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,207 m.

The land around Northam is covered by shrubs (39%) and grassland (30%) within 3 km, shrubs (50%) and grassland (24%) within 16 km, and shrubs (55%) and grassland (25%) within 80 km.

3 km
40 m
16 km
342 m
80 km
1,207 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
April weather nearby: Amandelbult 16 km · Thabazimbi 43 km · Hartbeestfontein-A 59 km · Rustenburg 79 km · Letlhabile 82 km · Marikana 85 km · Brits 91 km · Mabopane 101 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 Northam (-24.9578°, 27.2654°, elevation 1,016 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).