Climate Insights for Secunda

Gert Sibande District Municipality, Mpumalanga, South Africa

Hottest
Oktober
26°C peak
Coldest
Juli
3°C low
Wettest
Dezember
151mm rain
Best to Visit
März, April, September
Mild temps & low rain

Climate Overview

The climate in Secunda is temperate. The average annual temperature is 17°C and approximately 748mm of precipitation falls per year. Dezember is the wettest month, receiving around 151mm of rainfall. Secunda is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: Oktober, Dezember, November. The coldest months are Juli, Juni, August, when temperatures can drop to 3°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 26° Average: 20° Min: 15° Feb Max: 26° Average: 20° Min: 15° Mar Max: 26° Average: 19° Min: 14° Apr Max: 23° Average: 16° Min: 10° May Max: 22° Average: 13° Min: 7° Jun Max: 19° Average: 10° Min: 3° Jul Max: 19° Average: 10° Min: 3° Aug Max: 22° Average: 14° Min: 6° Sep Max: 26° Average: 18° Min: 10° Oct Max: 26° Average: 19° Min: 12° Nov Max: 26° Average: 20° Min: 13° Dec Max: 26° Average: 20° Min: 15°
Max
Average
Min

Temperatures in Secunda vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is Oktober, when average highs reach 26°C and the mean temperature sits around 19°C. Juli is the coolest month, with minimum temperatures around 3°C and an average of 10°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 131mm Feb Precipitation: 104mm Mar Precipitation: 67mm Apr Precipitation: 63mm May Precipitation: 18mm Jun Precipitation: 6mm Jul Precipitation: 5mm Aug Precipitation: 2mm Sep Precipitation: 18mm Oct Precipitation: 67mm Nov Precipitation: 116mm Dec Precipitation: 151mm
Precipitation

Secunda is a relatively dry area, receiving approximately 748mm of precipitation annually, which averages out to around 62mm per month. The wettest month is December, averaging 151mm of rainfall. January and November also tend to see above-average precipitation. The driest month is August, with just 2mm. That's 149mm less than December, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 17km/h Feb Wind Speed: 16km/h Mar Wind Speed: 16km/h Apr Wind Speed: 16km/h May Wind Speed: 15km/h Jun Wind Speed: 16km/h Jul Wind Speed: 17km/h Aug Wind Speed: 19km/h Sep Wind Speed: 21km/h Oct Wind Speed: 20km/h Nov Wind Speed: 20km/h Dec Wind Speed: 19km/h
Wind Speed

Secunda is mildly breezy, with an average annual wind speed of 18km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 21km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 15km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

3 days until Autumn

It is currently winter in Secunda, which began on June 21, 2026. Secunda is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in Oktober at around 26°C, while the coldest stretch bottoms out in Juli near 3°C. Autumn is next, beginning on March 20, 2026 — 3 days from now.

Spring

Temperatures range from 10 to 26°C. Precipitation is moderate at around 201mm for the season, averaging 67mm per month. Winds are moderate at around 20km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.

Summer

Temperatures range from 15 to 26°C. Rainfall is heavy, totalling around 386mm across the season with a monthly average of 129mm. Winds are moderate at around 17km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 7 to 26°C. Rainfall is relatively light, with around 148mm over the season and a monthly average of 49mm. Winds are moderate at around 15km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.

Winter

Temperatures range from 3 to 22°C. Precipitation is minimal, with only around 13mm for the entire season. Winds are moderate at around 17km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 20°
Feb 20°
Mar 19°
Apr 16°
May 13°
Jun 10°
Jul 10°
Aug 14°
Sep 18°
Oct 19°
Nov 20°
Dec 20°

The best time to visit Secunda is during März, April, September and Oktober, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 54mm per month. By contrast, Juli can be quite cold with temperatures dropping to 3°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Secunda based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
15 °C
26 °C
17 km/h
131 mm
0 cm
Feb
15 °C
26 °C
16 km/h
104 mm
0 cm
Mar Current
14 °C
26 °C
16 km/h
67 mm
0 cm
Apr
10 °C
23 °C
16 km/h
63 mm
0 cm
May
7 °C
22 °C
15 km/h
18 mm
0 cm
Jun
3 °C
19 °C
16 km/h
6 mm
0 cm
Jul
3 °C
19 °C
17 km/h
5 mm
0 cm
Aug
6 °C
22 °C
19 km/h
2 mm
0 cm
Sep
10 °C
26 °C
21 km/h
18 mm
0 cm
Oct
12 °C
26 °C
20 km/h
67 mm
0 cm
Nov
13 °C
26 °C
20 km/h
116 mm
0 cm
Dec
15 °C
26 °C
19 km/h
151 mm
0 cm
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Metric (°C, km/h)