Climate Insights for Ermelo

South Africa

Hottest
September
24°C peak76°F peak
Coldest
July
3°C low38°F low
Wettest
December
191 mm rain7.5 in rain
Best to Visit
March, April, September
Mild temps & low rain

Climate Overview

The climate in Ermelo is temperate. The average annual temperature is 15°C and approximately 878 mm of precipitation falls per year. December is the wettest month, receiving around 191 mm of rainfall. Ermelo 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: September, January, December. The coldest months are July, June, August, when temperatures can drop to 3°C.The climate in Ermelo is temperate. The average annual temperature is 60°F and approximately 34.6 in of precipitation falls per year. December is the wettest month, receiving around 7.5 in of rainfall. Ermelo 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: September, January, December. The coldest months are July, June, August, when temperatures can drop to 38°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 24°Average: 19°Min: 14°FebMax: 24°Average: 19°Min: 14°MarMax: 24°Average: 18°Min: 13°AprMax: 21°Average: 15°Min: 10°MayMax: 20°Average: 13°Min: 7°JunMax: 18°Average: 10°Min: 4°JulMax: 18°Average: 10°Min: 3°AugMax: 21°Average: 13°Min: 6°SepMax: 24°Average: 16°Min: 9°OctMax: 24°Average: 17°Min: 11°NovMax: 24°Average: 18°Min: 12°DecMax: 24°Average: 19°Min: 14°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 75°FAverage: 65°FMin: 57°FFebMax: 75°FAverage: 65°FMin: 58°FMarMax: 75°FAverage: 64°FMin: 55°FAprMax: 71°FAverage: 60°FMin: 51°FMayMax: 68°FAverage: 55°FMin: 44°FJunMax: 64°FAverage: 50°FMin: 39°FJulMax: 64°FAverage: 50°FMin: 38°FAugMax: 70°FAverage: 56°FMin: 43°FSepMax: 76°FAverage: 61°FMin: 49°FOctMax: 75°FAverage: 62°FMin: 51°FNovMax: 75°FAverage: 64°FMin: 54°FDecMax: 75°FAverage: 65°FMin: 57°F
Max
Average
Min

Temperatures in Ermelo vary considerably across the year, with a 21°C difference between the coldest and warmest months. September is the warmest month, though highs remain moderate at 24°C with a mean of 16°C. July is the coolest month, with minimum temperatures around 3°C and an average of 10°C. On average, daily temperatures fluctuate by about 12°C between overnight lows and afternoon highs. The sharpest temperature change occurs between July and August, with a 3°C shift in average temperatures.Temperatures in Ermelo vary considerably across the year, with a 38°F difference between the coldest and warmest months. September is the warmest month, though highs remain moderate at 76°F with a mean of 61°F. July is the coolest month, with minimum temperatures around 38°F and an average of 50°F. On average, daily temperatures fluctuate by about 22°F between overnight lows and afternoon highs. The sharpest temperature change occurs between July and August, with a 6°F shift in average temperatures.

Precipitation

0mm50mm100mm150mm200mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 145mmSnow: 0mmFebPrecipitation: 131mmSnow: 0mmMarPrecipitation: 69mmSnow: 0mmAprPrecipitation: 61mmSnow: 0mmMayPrecipitation: 21mmSnow: 0mmJunPrecipitation: 5mmSnow: 0mmJulPrecipitation: 5mmSnow: 0mmAugPrecipitation: 4mmSnow: 0mmSepPrecipitation: 32mmSnow: 0mmOctPrecipitation: 79mmSnow: 1mmNovPrecipitation: 135mmSnow: 0mmDecPrecipitation: 191mmSnow: 0mm
Precipitation
Snow
0in2in4in6in8inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 5.7inFebPrecipitation: 5.2inMarPrecipitation: 2.7inAprPrecipitation: 2.4inMayPrecipitation: 0.8inJunPrecipitation: 0.2inJulPrecipitation: 0.2inAugPrecipitation: 0.2inSepPrecipitation: 1.3inOctPrecipitation: 3.1inNovPrecipitation: 5.3inDecPrecipitation: 7.5in
Precipitation

Ermelo is a moderately rainy area, receiving approximately 878 mm of precipitation annually, which averages out to around 73 mm per month. The wettest month is December, averaging 191 mm of rainfall. January and November also tend to see above-average precipitation. The driest month is August, with just 4 mm. That's 187 mm 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.Ermelo is a moderately rainy area, receiving approximately 34.6 in of precipitation annually, which averages out to around 2.9 in per month. The wettest month is December, averaging 7.5 in of rainfall. January and November also tend to see above-average precipitation. The driest month is August, with just 0.2 in. That's 7.4 in 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/h5km/h10km/h15km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 12km/hFebWind Speed: 12km/hMarWind Speed: 11km/hAprWind Speed: 11km/hMayWind Speed: 11km/hJunWind Speed: 13km/hJulWind Speed: 13km/hAugWind Speed: 14km/hSepWind Speed: 15km/hOctWind Speed: 14km/hNovWind Speed: 13km/hDecWind Speed: 13km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 7mphFebWind Speed: 7mphMarWind Speed: 7mphAprWind Speed: 7mphMayWind Speed: 7mphJunWind Speed: 8mphJulWind Speed: 8mphAugWind Speed: 9mphSepWind Speed: 9mphOctWind Speed: 9mphNovWind Speed: 8mphDecWind Speed: 8mph
Wind Speed

Ermelo is mildly breezy, with an average annual wind speed of 13km/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 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 4km/h between the calmest and windiest months.Ermelo is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is September, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

Best Time to Visit

Jan19°65°F
Feb19°65°F
Mar18°64°F
Apr15°60°F
May13°55°F
Jun10°50°F
Jul10°50°F
Aug13°56°F
Sep16°61°F
Oct17°62°F
Nov18°64°F
Dec19°65°F

The best time to visit Ermelo is during March, April, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 60 mm per month. By contrast, July 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.The best time to visit Ermelo is during March, April, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 62°F with modest rainfall averaging 2.4 in per month. By contrast, July can be quite cold with temperatures dropping to 38°F. 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 Ermelo 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.The table below shows monthly climate averages for Ermelo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). 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
14 °C57 °F
24 °C75 °F
12 km/h7 mph
145 mm5.7 in
0 cm0 in
Feb
14 °C58 °F
24 °C75 °F
12 km/h7 mph
131 mm5.2 in
0 cm0 in
Mar
13 °C55 °F
24 °C75 °F
11 km/h7 mph
69 mm2.7 in
0 cm0 in
Apr
10 °C51 °F
21 °C71 °F
11 km/h7 mph
61 mm2.4 in
0 cm0 in
May
7 °C44 °F
20 °C68 °F
11 km/h7 mph
21 mm0.8 in
0 cm0 in
Jun
4 °C39 °F
18 °C64 °F
13 km/h8 mph
5 mm0.2 in
0 cm0 in
Jul
3 °C38 °F
18 °C64 °F
13 km/h8 mph
5 mm0.2 in
0 cm0 in
Aug
6 °C43 °F
21 °C70 °F
14 km/h9 mph
4 mm0.2 in
0 cm0 in
Sep
9 °C49 °F
24 °C76 °F
15 km/h9 mph
32 mm1.3 in
0 cm0 in
OctCurrent
11 °C51 °F
24 °C75 °F
14 km/h9 mph
79 mm3.1 in
1 cm0 in
Nov
12 °C54 °F
24 °C75 °F
13 km/h8 mph
135 mm5.3 in
0 cm0 in
Dec
14 °C57 °F
24 °C75 °F
13 km/h8 mph
191 mm7.5 in
0 cm0 in