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South Africa weather

Weather in Harrismith for May 2026

Your guide to Harrismith weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in Harrismith has been nearly identical to the historical average, with a temperature of 23 °C (showing only a slight deviation of 0 °C).

  • An exceptional deviation from the historical average is forecasted for next days of May 2026 in Harrismith with the forecasted temperature being 14.6 °C, much lower than usual.

  • In general, the average temperature in Harrismith at the beginning of May is 22.7 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 21.7 °C by the end of May.

    • Rain 🌧️

  • With an average of 2 rainy days, Harrismith experiences minimal rainfall in May.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
29
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/8°
Temperatures
Average wind speed
14 km/h
Avg max wind
Average humidity
52 %
Avg humidity

Harrismith Weather May

Move between months or click on a day
April
June
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Cloudy
25°
2
Overcast
22°
3
Cloudy
21°
4
Partly cloudy
24°
5
Sunny
23°
6
Sunny
21°
7
Sunny
23°
8
Sunny
22°
9
Sunny
23°
10
Sunny
27°
11
Partly cloudy
20°
12
Cloudy
22°
13
Sunny
23°
14
Sunny
23°
15
Overcast
24°
16
Cloudy
22°
17
Sunny
23°
18
Sunny
23°
19
Overcast
24°
20
Sunny
24°
21
Sunny
23°
22
Sunny
23°
23
Sunny
23°
24
Sunny
22°
25
Cloudy
23°
26
Sunny
24°
27
Sunny
22°
28
Sunny
24°
29
Sunny
21°
30
Sunny
19°
31
Sunny
19°

Temperatures trend during May in Harrismith

See the weather trend as well as the moving average line

May weather in Harrismith day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
1 May Cloudy
Cloudy
 25° /13° 0 mm 5
2 May Overcast
Overcast
 22° /8° 0 mm 5
3 May Cloudy
Cloudy
 21° /8° 0 mm 5
4 May Partly cloudy
Partly cloudy
 24° /7° 0 mm 5
5 May Sunny
Sunny
 23° /10° 6 mm 5
6 May Sunny
Sunny
 21° /9° 2 mm 6
7 May Sunny
Sunny
 23° /9° 0 mm 6
8 May Sunny
Sunny
 22° /7° 0 mm 6
9 May Sunny
Sunny
 23° /7° 0 mm 6
10 May Sunny
Sunny
 27° /11° 0 mm 6
11 May Partly cloudy
Partly cloudy
 20° /10° 0.1 mm 5
12 May Cloudy
Cloudy
 22° /8° 0 mm 4
13 May Sunny
Sunny
 23° /9° 0 mm 5
14 May Sunny
Sunny
 23° /9° 0.2 mm 5
15 May Overcast
Overcast
 24° /8° 0 mm 5
16 May Cloudy
Cloudy
 22° /9° 0.2 mm 5
17 May Sunny
Sunny
 23° /8° 0 mm 5
18 May Sunny
Sunny
 23° /8° 0 mm 5
19 May Overcast
Overcast
 24° /8° 0 mm 5
20 May Sunny
Sunny
 24° /8° 0 mm 6
21 May Sunny
Sunny
 23° /7° 0 mm 7
22 May Sunny
Sunny
 23° /7° 0 mm 6
23 May Sunny
Sunny
 23° /6° 0 mm 6
24 May Sunny
Sunny
 22° /7° 0 mm 6
25 May Cloudy
Cloudy
 23° /6° 0 mm 5
26 May Sunny
Sunny
 24° /6° 0 mm 6
27 May Sunny
Sunny
 22° /7° 0 mm 5
28 May Sunny
Sunny
 24° /6° 0 mm 6
29 May Sunny
Sunny
 21° /6° 0 mm 5.1
30 May Sunny
Sunny
 19° /6° 0 mm 4.9
31 May Sunny
Sunny
 19° /6° 0 mm 4.9
Next
Important Notice
Our weather forecast for Harrismith in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Harrismith forecast closer to your planned date for the most up-to-date weather information.
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Harrismith in May - FAQ

What are the expected maximum and minimum temperatures in Harrismith during May?

Enjoy moderate daytime temperatures of up to 23° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Harrismith during May?

Rainfall in Harrismith during May is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.

What are the typical wind conditions in Harrismith during May?

The average wind speed in Harrismith during May is 14 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Harrismith

Explore the daily rainfall trends and prepare for Harrismiths May weather 💧
Typically, Harrismith has 2 rainy days in May with a total of 8.5 mm of rainfall.

UV exposure in Harrismith during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

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Location coordinates Where is Harrismith?

Get accurate weather forecasts for Harrismith, located at latitude -28.273 and longitude 29.129. Stay updated with localized weather information tailored for Harrismith.

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