Climate Insights for Bulwer

Sisonke District Municipality, KwaZulu-Natal, South Africa

Hottest
January
26°C peak
Coldest
July
3°C low
Wettest
February
160mm rain
Best to Visit
April, September, October
Mild temps & low rain

Climate Overview

The climate in Bulwer is temperate. The average annual temperature is 16°C and approximately 986mm of precipitation falls per year. February is the wettest month, receiving around 160mm of rainfall. Bulwer 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: January, February, December. The coldest months are July, June, 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: 19° Min: 14° Feb Max: 25° Average: 19° Min: 15° Mar Max: 25° Average: 19° Min: 13° Apr Max: 22° Average: 16° Min: 11° May Max: 21° Average: 13° Min: 6° Jun Max: 20° Average: 10° Min: 3° Jul Max: 20° Average: 10° Min: 3° Aug Max: 21° Average: 12° Min: 5° Sep Max: 23° Average: 15° Min: 8° Oct Max: 23° Average: 16° Min: 10° Nov Max: 24° Average: 17° Min: 12° Dec Max: 25° Average: 19° Min: 13°
Max
Average
Min

Temperatures in Bulwer vary considerably across the year, with a 23°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 26°C and the mean temperature sits around 19°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 13°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 3°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: 147mm Snow: 0mm Feb Precipitation: 160mm Snow: 0mm Mar Precipitation: 115mm Snow: 0mm Apr Precipitation: 89mm Snow: 0mm May Precipitation: 33mm Snow: 0mm Jun Precipitation: 7mm Snow: 0mm Jul Precipitation: 18mm Snow: 1mm Aug Precipitation: 31mm Snow: 0mm Sep Precipitation: 43mm Snow: 0mm Oct Precipitation: 86mm Snow: 0mm Nov Precipitation: 126mm Snow: 0mm Dec Precipitation: 133mm Snow: 0mm
Precipitation
Snow

Bulwer is a moderately rainy area, receiving approximately 986mm of precipitation annually, which averages out to around 82mm per month. The wettest month is February, averaging 160mm of rainfall. January and December also tend to see above-average precipitation. The driest month is June, with just 7mm. That's 152mm less than February, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Bulwer is relatively calm, with an average annual wind speed of 2km/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 2km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

Seasons

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

4 days until Winter

It is currently autumn in Bulwer, which began on March 20, 2026. Bulwer 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 January at around 26°C, while the coldest stretch bottoms out in July near 3°C. Winter is next, beginning on June 21, 2026 — 4 days from now.

Spring

Temperatures range from 8 to 24°C. Precipitation is moderate at around 254mm for the season, averaging 85mm per month. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 13 to 26°C. Rainfall is heavy, totalling around 440mm across the season with a monthly average of 147mm. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 6 to 25°C. Precipitation is moderate at around 237mm for the season, averaging 79mm per month. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 3 to 21°C. Rainfall is relatively light, with around 56mm over the season and a monthly average of 19mm. Winds are generally light, averaging 2km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 19°
Feb 19°
Mar 19°
Apr 16°
May 13°
Jun 10°
Jul 10°
Aug 12°
Sep 15°
Oct 16°
Nov 17°
Dec 19°

The best time to visit Bulwer is during April, September and October, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 72mm per month. By contrast, January can be uncomfortably hot with highs reaching 26°C, while July is the coldest period with lows dropping to 3°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Bulwer 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
14 °C
26 °C
2 km/h
147 mm
0 cm
Feb
15 °C
25 °C
2 km/h
160 mm
0 cm
Mar
13 °C
25 °C
2 km/h
115 mm
0 cm
Apr
11 °C
22 °C
2 km/h
89 mm
0 cm
May
6 °C
21 °C
2 km/h
33 mm
0 cm
Jun Current
3 °C
20 °C
2 km/h
7 mm
0 cm
Jul
3 °C
20 °C
2 km/h
18 mm
1 cm
Aug
5 °C
21 °C
2 km/h
31 mm
0 cm
Sep
8 °C
23 °C
2 km/h
43 mm
0 cm
Oct
10 °C
23 °C
2 km/h
86 mm
0 cm
Nov
12 °C
24 °C
2 km/h
126 mm
0 cm
Dec
13 °C
25 °C
2 km/h
133 mm
0 cm
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